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1. Abstract / Introduction 2. Description of

1. Actuator Load Arga Stroke Equipment Type Quantit Capacity Servovalve Servo y Designation y in 2 in Type Controller Gpm in sec Serial No kips kN cm 2 mm mm sec MTS Servo controlled MTS 406 2 440 1962 40 MTS 252 25 458 407 15 56 78 0 393 9 982 NEES double acting 243 90 SEESL Lab Manual Page 53 Actuator Type Serial No Miller Servo controlled Static Rated DH53 173393 amp DH 250930 MTS Servo controlled Dynamic Double acting 244 515 MTS Servo controlled Dynamic Rated Double Rod 244 51 149 MTS Servo controlled Dynamic Rated Double Rod 244 41 160 Parker Servo controlled Static Rated Single ended 1C2HLT18 Quantity NO Area Load Stroke Capacity kips mm 250 83 3 8 1112 06 537 4 203 20 220 978 61 s 73 3 10 220 1978 611 472 9 254 0 36 7 10 110 489 30 136 254 0 23 3 4 311 38 450 3 101 60 SEESL Lab Manual Servovalve Type 252 25 MTS 256 80S MTS 252 25 252 25 256 25 252 25 256 25 252 25 Servo Controller Gpm Ipm MTS 406 458 407 FlexTest MTS 469D FlexTest MTS 406 458 407 FlexTest MTS 406 4
2. Paid 1 1 L 12 15 1 D aaa E Figure 3 1 1 4 5 Mounting bolts details of six degrees of freedom shake tables Figure 3 1 1 4 6 Plan view of table extension SEESL Lab Manual Page 34 D 23 alking mesh In all bays x Gf eners 1 In bolt 18 In hole Figure 3 1 1 4 7 Plan view of table extension Detail 1 3 1 2 Shake table O 6 dof Located in the original SEESL the 3 66 by 3 66 m shake table has six controlled degrees of freedom excluding the transverse translational movement The longitudinal horizontal vertical and roll degrees of freedom are programmable with feedback control to simultaneously control displacement velocity and acceleration 3 1 2 1 Physical data The five degree of freedom shake table has payload capacity of 50 tons and a useful frequency range of 0 to 50 Hz The table is normally furnished with a reinforced concrete testing platform of 6 1 m by 3 66 m plan dimensions that extends the useful testing area beyond the table s dimensions but limits the payload to 42 5 tons The testing platform has holes on a one foot square grid for attaching test specimens 3 1 2 2 Capacity data The five degrees of freedom shake table is designed for the nominal performance shown in Table 2 These performance data are based continuous uniaxial sinusoidal motion with 20 ton rigid specimen System performance levels will be reduced with
3. E SCHOOL OF ENGINEERING State University of New York ae I Structural Engineering and Earthquake Simulation Laboratory 212 Ketter Hall North Campus Buffalo NY 14260 4300 Fax 716 645 3733 Tel 716 645 5400 X 16 http www nees buffalo edu 1 Abstract Introduction 2 Description of laboratory facilities The Department of Civil Structural and Environmental Engineering at the University at Buffalo has an extensive earthquake simulation structural and geotechnical engineering testing facility that is a key node in a nationwide earthquake engineering collaboratory the National Science Foundation s George E Brown Jr Network for Earthquake Engineering Simulation NEES The entire lab facility consists of four main laboratory rooms two earthquake laboratories identified below as Testing Area 1 and Testing Area 2 a Receiving Area and a Fabrication Area located side by side within Ketter Hall In addition to these laboratories Ketter Hall also houses many of the Civil and Structural Engineering faculty offices and a number of smaller laboratories in structural and geotechnical engineering used for research and instruction These laboratories are also briefly described herein Figure 2 1 presents a plan drawing of the laboratory facilities i CONFERENCEAND TELEPRESENCE ROOM TESTING AREA 1 est 1981 Shake Table La e
4. NN 4 TESTING AREA 2 E 1 2 FA erm rte ener nasineresaseeelinesanes o Our AUS du qu m nu tes TED d QUID QU cd Server Room Level 1 40 lon Shake Table Control 2 Overhead a MAEHINE SHOP Crane Operations Room 5 t LABORATORIES COLLABORATION AREAS 5 Figure 2 2 1 1 Fabrication area within Plan of Laboratory Facilities The Fabrication Area is located between Testing Areas 1 and 2 The area is approximately 58 ft 17 7m long and 31 ft 9 5m wide and has direct access to the delivery area and loading bay Moreover the area features an additional enclosed 19 ft by 22 ft 5 8m by 6 7m restricted machine area and a 12 ft by 20 ft 3 7m by 6 1m technician s office The area has 15 66 capacity overhead bridge crane that is capable of moving materials and test units within the fabrication area A 6 kip 27kN capacity forklift is available and typically stored in the Fabrication or Delivery Areas A Tinius Olsen Universal Testing Machine is located within the Fabrication Area A MTS 150 kip 667KN Compression Tension Machine is located in this area as well These machines are used in the testing of concrete specimens in the calibration of load cells and in the compression testing of elastomeric and sliding bearings SEESL Lab Manual Pa
5. A M Reinhom SEESL Deputy Director Site Operations Manager Gonst Whitt Filat Aref Theva 100 Tom Albrechcins Administrative Assistant 100 0 8 Carm Gosden Hybrid Control Specialist IT Systems Manager senior Mechanical Med Data Acquisition Specialist 11054 X Snao 100 Jason Hanley Duane Koslowski 50 Scot Weinreber Heavy Machine Operator nstrumentation Specialis JOAN Bob Staniszewski SOAN Chris Budden Junior Operator Goran Josipavic Junior studet Assistant SN J Berger Junior studet Assistant lectro hydraulic Operator 8 SON M Gisandi Chris Zwierlein Figure 5 1 1 1 1 SEESL Organization chart 5 1 2 Expert consultants Prof Ricardo Dobry RPI Prof Ahmed Elgamal UCSD Prof Gregory Fenves UCBerkeley Prof Masayoshi Nashima U of Kyoto Japan Dr Tom Prudhomme NCSA UIL Dr Michael A Riley NIST Prof P Benson Shing UC Prof David Stoten U of Bristol UK Mr Douglas P Taylor Taylor Devices Inc SEESL Lab Manual Page 91 5 2 Access rules 5 2 1 Lab services The Structural Engineering and Earthquake Simulation Laboratory SEESL at University at Buffalo hosts a series of services for research clients such as planning organizations i e MCEER NSF NEES etc for industry and industry partners for faculty and students at Department of Civil Structural and Environmental Engineering at Universi
6. Shake Table Control and Operations Room J Level 2 To basement Hydraulic Pump and Storage COLLABORATION AREAS Ml SPECIALITY AND INSTRUCTIONAL LABORATORIES Figure 2 1 Plan of Laboratory Facilities SEESL Lab Manual Page 1 2 1 Structural dynamics and earthquake simulation testing 2 1 1 Testing area 1 Old Lab EWE PSS CONFERENCE AND TELEPRESENCE ROOM Strong Wall TESTING AREA 2 est 2004 Strong Floor 1 Levels 2 amp 3 y Server Room Level m Shake Table Control INE SHOP d ni an Operations Room Ji LABORATORIES COLLABORATION AREAS SPECIALITY AND INSTRUCTIONAL LABORATORIES Figure 2 1 1 1 Testing Area 1 within Plan of Laboratory Facilities The Testing Area 1 of the Structural Engineering and Earthquake Simulation Laboratory is the smaller of the two main earthquake laboratories located within the building Figure 2 1 1 1 identifies Testing Area 1 within the general plan of the laboratory It consists of a large rectangular room approximately 70 ft 21m long 65 ft 20m wide and 30 ft 9m tall enclosing a large strong floor area to which large scale or full sized specimens and structural assemblages can be attached for quasi static and dynamic testing Portion of the area is dedicated to a seismic simulator and a Single Degree of Freedom shake t
7. As Needed Non NEES 5D LC 12 BLU Shear Floor S Neede on 20 89 Testing axial x amp y shear x amp Moment y moment 220 24 86 12 Five Axial Component 100 Shake 4 GRAS Table amp A Needed Non NEES 5D LC 12 RED Shear Floor s eode One 20 89 Testing axial x amp y shear x amp Moment y moment 220 24 86 12 Five Axial Component 100 Shake 2 4 Gee Table amp Needed Non NEES 5D LC 12 BLK Shear 5 Diis 20 89 Testing axial x amp y shear x amp Moment y moment 220 24 86 p d rable amp a 10 8 9 As Needed Non NEES 1112 06 29 iones Testin compression tension g Shake Washer 100 Table amp 8 454 5 Floor As Needed Non NEES compression only Testing SEESL Lab Manual Page 70 MTS Load Cell MTS Load Cell MTS Load Cell MTS Load Cell Lebow Load Cell Custom Built Load Cell MTS Load Cell Model 661 31E 01 MTS Differential Pressure Cell 660 23 Figure 3 7 1 2 2 Typical Strain Gage Positioning and Wiring for Multidirectional Load Cells SEESL Lab Manual O1 2 2 9 79 55 244 65 110 489 30 220 978 61 250 1112 06 70 311 38 220 978 61 9000 psi 35 MPa On MTS Actuator On MTS Actuator On MTS Actuator On MTS Actuator On Miller Actuator On Parker Actuator On MTS Actuator On MTS Actuator 2 Years 2 Years 2 Years 2
8. 0 2509 0 109 0 109 0 2 59 0 3 9 0 10 g 0 10g Non NEES Non NEES Non NEES Non NEES Non NEES NEES Non NEES Non NEES NEES NEES Non NEES Accelerometer MTS Temposonic Il Fees will not be applied to scheduled NEES projects Fees will be charged for extra unscheduled time Disclaimer The rates are direct costs only and DO NOT include a Displacement 15 4 20 in NEES 3 7 1 1 3 Rotation The laboratory uses rotational transducers that also have various attributes and limitations which determine their suitability for different applications The following is a brief summary of its mechanics Rotary Variable Differential Transformer RVDT RVDTs incorporate a proprietary noncontact design that dramatically improves long term reliability when compared to other traditional rotary devices such as syncros resolvers and potentiometers This unique design eliminates assemblies that degrade over time such as slip rings rotor windings contact brushes and wipers without sacrificing accuracy High reliability and performance are achieved through the use of a specially shaped rotor and wound coil that together simulates the linear displacement of a Linear Variable Differential Transformer LVDT Rotational movement of the rotor shaft results in a linear output signal that shifts 60 120 total degrees around a factory preset null position The phase of this output signal indicates the direction of displacement fr
9. NCEER 93 0007 NCEER 94 0020 Qualification Tests of Viscoelastic Dampers Navy Building 116 San Diego Optimal Passive Support Design of Flexibly Supported Pipelines Axial Torsion MTS Hydraulic Testing Machine Dynamic Testing of Small Components Experimental Testing of Active Control Systems Using 62 kip 6 DOF Model Structure NCEER 89 0026 1989 6 44 Full scale Implementation of Viscoelastic Dampers SEESL Lab Manual Page 103 6 45 Seismic Response of a 2 5 scale Steel Structure with Added Viscoelastic Dampers 6 46 NCEER 91 0012 1991 and NCEER 93 0009 1993 6 47 Testing of Water Heaters for Possible Seismic Damage 6 48 NIST GCR 97 732 19975 6 49 Laboratory Testing of Base Isolators for Train induced Vibration Suppression 6 50 Experimental Verification of Active Control Systems for Nanjing Communication Tower 6 51 Full scale Testing of Active Control Systems 6 52 NCEER 92 0020 1992 SEESL Lab Manual Page 104
10. Testing Machines 3 5 2 1 MTS Universal Tension Machine 150 kip 667kN This is a low speed machine capable of tension or compression testing of specimens or components composed of steel concrete rubber or other materials The force range is adjustable to calibrated ranges of 200 100 40 and 20 kips and the displacement range is adjustable to 4 2 1 and 5 in for applications where greater SEESL Lab Manual Page 59 sensitivity is required The machine can be controlled in either force or displacement mode im 1 a Figure 3 5 2 1 1 MTS Universal Tension Machine 3 5 2 2 MTS Axial Torsion Machine This machine is capable of biaxial testing of specimens and components of many sizes up to 4 ft 1 22 m in length Control modes available are force strain and displacement in axial mode and torque in lb strain and rotation degrees in torsion mode The machine has calibrated ranges of 100 50 20 and 10 kips and 5 2 5 1 and 5 in axially as well as 50000 25000 10000 and 5000 inch pounds and 50 25 10 and 5 degrees in the torsion mode Figure 3 5 2 2 1 MTS Axial Torsion Machine 3 5 2 3 Generic Large Bearing Testing Machine This machine has been developed for the testing of sliding bearings It is capable of 1600 7117 2 kips compression expandable to 2200 kips 9786 1 lateral load of up to 220 kips 978 6kN stroke of 5 in 12 7 cm and velocities of up to 10 in s
11. 1 Hydraulic cylinders 3 5 1 2 Servo valves Table 8 Performance data of Servo valves Flow Number Rate Equipment Mannisetmer Quantity of Designation Stages gpm i lpm MTS 252 24 3 2 10 37 9 Non NEES MTS 252 25 8 2 15 56 8 5 MTS 256 09 1 3 90 340 7 Non NEES MTS 256 25 2 3 250 946 Non NEES MTS 256 09 4 3 90 340 7 5 180 MTS 256 18 2 3 681 4 Non NEES SEESL Lab Manual Page 56 MTS 256 80S 3 3 800 3000 NEES Permanent Servovalve for seismic simulator Fees are for servovalve substitutions only Fees will not be applied to scheduled NEES projects Fees wil be charged for extra unscheduled time Disclaimer The rates are direct costs only and DO NOT include a 57 Department fee for administration and university fees This overhead has to be added in estimates 3 5 1 3 Servo Controllers MTS 433 Servo Controllers These controllers consist of rack mounted card cages one cage for each controlled channel Each cage contains modular circuit cards for program input to the actuator command vs feedback comparison load cell conditioning strain gage bridge completion and conditioning LVDT conditioning and program error and limit detection Due to the size and relative immobility of these controllers they are dedicated to each of the two MTS Hydraulic Testing Machines see table 5 While not technically part of the servo controller a multi waveform function ge
12. 140 17 tons Actuators static medium capacity 30 140 18 tons 200 40 19 Actuators static small capacity 20 tons 100 20 HYDRAULIC EQUIPMENT 20 Hand Pumps 40 20 40 20 21 Servovalves substitutions 40 20 40 20 22 Hydraulic manifolds substitutions 90 45 90 45 __ CONTROLLERS J J J j 23 FlexTest 900 180 24 Hybrid Controller 1 200 240 PEN 25 PID controllers substitutions 30 5 30 5 MODLS J JJ O 26 Bridge Model one span 27 7 Stories Model 28 6 Stories Model 29 5 Stories Model 30 Reconfigurable 1 6 stories model 31 Interface Block Accelerometers LVDT s potentiometers 32 up to 20 sensors Accelerometers LVDT s potentiometers 33 additional 5 sensors Load Cells uniaxial and multiaxial per 34 axis 35 Krypton 3D remote sensing system 36 Digital camera or video VIDEORECORDING AND STREAMING 37 Videocamera 38 Still camera 39 Conferencing equipment DATAACQUISITION 40 Portable data acquisition 16 channels 41 Data Acquisition up to 75 channels Data Acquisition over 75 chanels fee 42 per channel OCCUPANCY 14 4 Floor occupancy per 50 sq ft increment 43 day 44 Storage of large models per day 30 Small model removal deposit minimum 45 model one time fee Large model removal deposit gt 1000 46 one time fee 1 000 negociated The r
13. 2 2 2 View of the Delivery Area SEESL Lab Manual Page 21 2 2 2 1 Rigging equipment List of the available rigging equipment 6kip 27kN capacity forklift 2 ton capacity Strong Bac 0 45 ton 1000 lbs capacity Crane Basket 1 1 1 c 2 224 1 Forklift Figure Figure 2 2 2 1 2 Strong Bac SEESL Lab Manual Page 22 Figure 2 2 2 1 3 Crane Basket 2 2 2 2 Personnel Platforms Two Electric SCISSOr lifts are available for lifting personnel within all the lab areas 32 gt Sa nil el rt i Figure 2 2 2 2 1 Electric Scissor Lifts SEESL Lab Manual Page 23 2 2 2 3 Gantry crane Delivery area is equipped with 15 kip 66 capacity overhead bridge crane that is capable of moving materials and test units within area Figure 2 2 2 3 1 View of the 15kip Gantry Crane 2 2 3 Wood fabrication area Wood fabrication area is equipped with following e Table Saw Panel Saw Circular Saw Air Extractor AUD Figure 2 2 3 1 Wood Fabrication Area SEESL Lab Manual Page 24 2 3 Related Support facilities 2 3 1 Soil testing lab The geo engineering research laboratory includes a two automated computer controlled Geocomp and GDS apparatus for stress strain controlled static cyclic triaxial testing consolidation and permeability
14. FlexTest 16 Displacement 256 09 256 25 Dedicated controller for MTS 150 kip Tension Machine Dedicated controller for MTS Axial Torsion Testing Machine Dedicated controllers for MTS SUNY Seismic Simulator Fees will not be applied to scheduled NEES projects Fees wil be charged for extra unscheduled time Servo controller substitution is availible for one time fee of 1200 Disclaimer The rates are direct costs only and DO NOT include a 57 Department fee for administration and university fees This overhead has to be added in estimates 3 5 1 4 Hydraulic Service Manifolds Hydraulic Service Manifold HSM is a hydraulic pressure and flow regulation device that controls pressure to a single test station from the main hydraulic power unit HPUJ Table 10 Performance Data of Hydraulic Service manifolds Flow Rate per unit Equipment Device Type Quantity Designation gpm MTS506 81 HPS 2 140 1245 5 Non NEES MTS Manifold 290 50 189 Non NEES Series SEESL Lab Manual Page 58 Flow Rate per unit Equipment Device Type Quantity Designation gpm MTS Manifold 290 100 378 54 Non NEES Series MTS Manifold 290 Series MTS Model 506 92 HPS MTS High Flow Hydraulic Distribution 4 800 NEES Manifolds Custom Hydraulic Service manifolds MTS 293 12 Low Flow Hydraulic 2 50 189 NEES Service Manifold 1 250 946 35 5 4 180 680 NEES 3 800 NEES Flo
15. Front view of Netstor MVD SEESL Lab Manual Page 86 3 9 4 1 Data Archival and Organization All test data is archived to the local data repository Additionally all configuration information from the data acquisition and control systems is archived there The local repository is hosted on our NAS system and utilizes our redundant mass storage and backup capabilities Access to the data will be provided only to the project members The project data can be made public or additional users granted access if the project members request it The data is kept on the local repository for a time determined by the project members Older data my be moved from the local repository to offline media to ensure the newest data is available online But all offline data will be made available on request in a reasonable time period After a test all data is collected from data acquisition and control systems and transfered to the local repository This data includes all the data and configuration files collected from the various data systems in their original raw format The data is then converted into standard formats such as ASCII or DADISP for use by the researcher Additional processing may be performed by the researcher and archived in the local repository The lab provides a standard template for organization of experimental data The template provides for archival of additional information used to describe the experiment such as description of m
16. Manual Page 79 Capabilities abbreviated Measurement system probes capabilities 1 LED 3 degrees of freedom 3 or more LED 6 degrees of freedom Sampling rate Rate 3000 of LED in samples per second i e for 20 active LED s the Rate 150 samples per second for 50 active LED s the Rate 60 samples per second Field of view for K600 Minimum distance D from camera 1 5 m Maximum distance D from camera xx m The field of view is defined as noted below H height of image W width of image D the distance from which the max view can be captured H and W can be interchanged Here are the manufacturer specified field views Table 18 Field of view for K600 17m Fielc of view 17 nv cistributed into three accuracy zonas as follows ow D W 6000mm 5000mm 1500mm E E E 5 5 5 5 S e Figure 10 camera field of view Additional performance limitations see Figure 3 8 3 2 Page 80 SEESL Lab Manual Accuracy Single Point 0 060 mm Volurieu c 0 090 min 0 010 miim The indicated measurement uncertainty is expressed for a confidence level of 25 according to the SO 10362 1 VDI 2617 and ANSI ASME B89 1 12M standards for acceptance of CMMs Acquisition frequency Important notice The K400 camera system can not be used for dynamic measuremenis The measurement frequency for static measurements is set te 10Hz K600 CAMERA UNIT Field of view 17 nv cistri
17. actuators 2000 kN capacity 500mm stroke equipped with displacement transducers d Data acquisition systems consisting of up to 250 channels streaming and additional 100 channels local e An advanced Krypton 3D coordinate tracking system with up to 15 LED targets f A 285 300 sq ft new strong floor with 610 610 mm 2 x 2 ft tie down grid 9 A 19 5 x 9 m 60 x 30 ft strong reaction wall with 610 x 610 mm 2 x 2 ft tie down grid h A 6 x 2 5 m plan x 6 m high 20 x 8 x 20 ft laminar box which can be mounted on shake table s for complete performance and users guide visit http nees buffalo edu i 40 ton crane to move equipment and specimens anywhere within the 900 of the building housing the two shake tables the strong floor and the strong reaction wall j 50 mf 9 person capacity collaboration room with tele observation and tele participation capabilities subject to the constraints presented below k Room with videoconference capabilities prior scheduling required calendar 1 Office space for students subject to the constraints presented below scheduling will be done with the Site Operation Manager m Office space for faculty members subject to the constraints presented below scheduling will be done with the Site Operation Manager n All computational facilities of the UB NEES node Note that these facilities and equipment are unique and may not be available due to use on other
18. at Buffalo for nearly 20 years In 2004 it has been refurbished with a new controller and re built actuators Figure 2 1 1 1 1 and Figure 2 1 1 1 2 present plan elevation and isometric views of the shaking table and a trench around it Details and specifications of the seismic simulator are presented in the laboratory equipment section Figure 2 1 1 1 1 View of the Shake table and the trench SEESL Lab Manual Page 3 Figure 2 1 1 1 2 Plan and elevation view of the shake table 2 1 1 2 Strong floor O The test floor is a five cell reinforced concrete box girder 40 ft 12 2m long 60 ft 18 3m wide and 8 ft 2 5m overall in height The thickness of the top test floor slab is 18 in 46 cm Tie down points consist of 4 2 holes which are arranged symmetrically in both directions Each tie down point has an axial load allowable capacity of 250 kips 1112kN Figure 2 1 1 2 1 presents a view of the strong floor including the layout of the tie down points SEESL Lab Manual Page 4 re Tn ut Figure 2 1 1 2 1 View of the strong floor with tie down points 2 1 1 3 Gantry crane Testing Area 1 has a 15ton 33 150kN capacity overhead bridge crane which is capable of moving materials and test units to any location within the seismic laboratory Operation by Staff or Trained Personnel ONLY Figure 2 1 1 3 1 40Kip Gantry Crane SEESL Lab Manual Page 5 2 1 1 4 Reaction frames Located wit
19. kN kN tn ton m m span 212 kip Uft kN m t ton m m tonm m ft 3229 269 366 122 122 1000 SEESL Lab Manual Page 44 _3 3 2 3 E i 5 vo Ja gi ani ACA AEN LOO i PATO Apo STAR FEM COLA 4 7 PME Ru UCT Figure 3 3 2 3 1 Plan view of Strong Floor in Testing Area 2 OLC OTO ALN CT T 7 eT x i TTE lir FE m Ts Figure 3 3 2 3 2 Cross section view of E Floor in Testing Area 2 3 4 Hydraulic Power Supply Systems 3 4 1 Test Area 1 Table 6 Flow Rate Data of HPS in Testing Area 1 Flow Rate Quantity unit gpm Ipm MISURA 2 140 1245 5 O NonNEES IS Manifold 2 100 378 54 SEESL Lab Manual Page 45 Flow Rate Device Type Quantity gpm Ipm MTS Manifold MIS Manifold Series 1 250 946 35 Non NEES Flow Rate available in increments of 70 gpm 265 lpm 3 4 2 Test Area 2 3 4 2 1 Layout The pump room located in the basement of the Ketter Hall NEES lab addition houses four MTS 506 92 Hydraulic Power Supply HPS units each rated at 1854 700 flow with 3 000psi 207 bar working pressure Each HPS consists of two high pressure variable volume main
20. payload acceleration characteristics are presented elsewhere Typically each shake table can operate at up to 1 15g at a nominal payload weight of 20 tons and the acceleration decreases with an increase in payload weight The shake tables have 6 degrees of freedom but the 1 g soil tests are limited to 1 D or 2 D at this time Sand may placed inside the box by air pluviation wet pluviation or hydraulic filling Due to dust control considerations the hydraulic filing method is preferred A close loop system has been developed to pump sand slurry using sand slurry pump from sand containers located just outside the Test Area 2 building In the case of dry pluviation soil saturation may be achieved by percolating by CO through the soil and seeping water with the aid of vacuum suction 8 5 12 SEESL Lab Manual Page 65 The facility also has capability to simulate the inertial effects of the building bridge pier etc on the foundation pile cap via mass spring system and or hybrid system where the loads moments from the building bridge pier can be applied via fast actuators mounted on the reaction wall The soil experiments also can be coupled with other physical experiments at UB or elsewhere and or computational models that simulate the response of the system or structure supported on the soil 3 Instrumentation 3 7 1 Sensors 3 7 1 1 Motion 3 7 1 1 1 Displacement The laboratory uses many different types of displacement transducers t
21. pump room located in the basement of the Testing Area 2 houses four MTS 506 92 Hydraulic Power Supply HPS units each rated at 185gpm 700lpm flow with 3 000psi 207 bar working pressure Four hydraulic outlet stations are located along the table trench for connection of hoses Two stations are used to connect to the moveable tables at any one time and any free stations can be used to allow connection of structural actuators to the strong floor along the north side of the floor for certain configurations At the strong floor surface adjacent to the strong wall four high flow manual distribution manifolds Error Reference source not found are located with four sets of 2 inch hand and check valves to allow connection to the three moveable Hydraulic Service Manifolds These high flow 800gpm Hydraulic Service Manifolds with additional accumulation are typically located near the lab reaction wall to provide full flow capacity to the high speed structural actuators This arrangement will supply the highest available volume flow to the structural actuators for their demanding applications for real time hybrid and other high demand testing Also available are three low flow distribution manifolds along the south edge of the floor that are evenly spaced and each is provided with two sets of hand and check valves on the testing floor level SEESL Lab Manual Page 16 2 2 Support areas 2 2 1 Fabrication area
22. pumps and a low pressure supercharge pump that draws oil from the reservoir and supplies a constant oil pressure and flow to the inlets of the main pumps These units have oversized reservoirs to accommodate the additional accumulator oil volume required for high performance dynamic testing Hydraulic system oil is cooled by pumping hydraulic fluid through a system of heat exchangers one located on each HPS that are connected to the campus chilled water system The chilled water is supplied at an average year round temperature of 50 deg F Temperature sensitive flow control valves are provided by MTS as part of the HPS assembly These valves regulate the flow of chilled water through the heat exchangers as a function of hydraulic fluid system temperature The hydraulic fluid is maintained at an optimum working temperature of 100 110 deg F d Figure 3 4 2 1 1 MTS 506 92 Hydraulic Power Supply SEESL Lab Manual Page 46 3 4 2 2 Pumps The laboratory hydraulic distribution system is an integrated solution for the combined functions of seismic and structural testing The system was designed to minimize system expenditure by reducing the use of duplication and to maximize performance and capabilities The pump room piping segment is connected to the outputs of the four HPS units and runs directly to the through an opening in the table trench wall The diameter of the common piping in the HPS room area is 130 mm
23. testing b two Brainard Kilman pressure panels capable up to 1400kPa of pressure c 70 mm diameter triaxial cells and flexiwall permeameters d two Geotest S22 5A 100x100mm direct shear test apparatus and one 100x100mm Soil Test D 500A direct shear apparatus and digital data acquisition system e Five 70mm diameter ELE consolidation cells and load stations with 8 channel ELE digital data logger f two HP network analyzers LF Impedance Analyzer 4192 5Hz 13MHz and RF Impedance Material Analyzer 4191A 1MHz 1 8GHz for material characterization non destructive testing g a 60 cm diameter and 2 25m high calibration chamber and model test facility for static and dynamic penetration testing and model pile studies The laboratory is provided with compressed up to 700kPa pressure Geocomp apparatus consists of Loadtrac Flow Trac Hydraulic loading frame Parker Actuator Triaxial cells signal conditioning unit and Pentium Ill computer and software for triaxial shear cyclic shear permeability and consolidation testing opecimens up to about 70 mm diameter with a cell pressure up to 800kPa can be tested Axial load capacity is 2000 lbs Axial strain up to 25 can be reached Cyclic loading frequency in the range of 0 1 to 10Hz is possible GDS apparatus consists of digital panels for back pressure saturation cell and pore pressure control and loading and a computer Specimen size is limited to 38 mm Axial strain up to 25 can b
24. to be done by authorized lab personnel Use of the welder or blow torch is not allowed These operations are only to be performed by authorized lab personnel All tools must be inspected before use and any defect reported to lab personnel Return tools to the proper location at the end of each working day and when the job is complete Do not use any pre stressing Jacks This can be done only by authorized lab personnel Ladders must be properly positioned and or tied off e Access to Tools The SEESL facility has tools hand tools power tools air tools and welding tools that will be made available to NEES and non NEES researchers who adhere to the requirements noted above and have paid the user fee Power tools can be checked out of the Equipment Room on a daily basis Hand tools will be available in a kit that can be checked out for the duration of a SEESL project NEES researchers will be responsible for returning all tools to the Equipment Room in operable condition SEESL Lab Manual Page 93 The electric welder and or cutting torch may be used by qualified professionals who are hired on a subcontract basis to either fabricate or demolish test specimens In such cases prior approval from the Operations Manager must be obtained The subcontractor client wishing to use this equipment will be required to verify professional qualifications and prior experience The NEES project will be responsible for replacing any lost hand tools
25. 2 1 3 Materials storage 1 pop ERN mg 2 2 1 4 Gantry crane Machine shop area has a 15 kip 66kN capacity overhead bridge crane that is capable of moving materials and test units within the area 111111 TT f Figure 2 2 1 4 1 View of the Fabrication Area and the Gantry crane SEESL Lab Manual Page 20 2 2 2 Delivery area Strong Floor TESTING AREA 2 est 2004 FABRICATION AREA est 1981 n MACHINE SHOP LABORATORIES COLLABORATION AREAS 1 STORAGE OFFICES SPECIALITY AND INSTRUCTIONAL LABORATORIES Figure 2 2 2 1 Delivery Area within Plan of Laboratory Facilities The Delivery Area is located between Testing Area 2 and the Fabrication Area The area is approximately 58 ft 17 7m long and 28 ft 8 5m wide and has direct access to the loading bay The area has a 15 kip 66 capacity overhead bridge crane that is capable of moving materials and test units within the Delivery Area Access to the loading bay is through an overhead door with 15ft 4 in 4 7m width and 16 ft 8 in 5 1m height The back of the Delivery Area features a carpenter s shop that is used in both the fabrication of specimens and in the fabrication of furniture used in the Department of Civil Structural and Environmental Engineering Figure 2
26. 58 407 FlexTest MTS 406 458 407 FlexTest MTS 406 458 407 FlexTest MTS 406 458 407 FlexTest MTS 406 458 407 FlexTest Servovalve 15 56 78 800 3000 15 56 78 15 56 78 250 946 35 15 56 78 250 946 35 15 56 78 Peak Velocity in sec mm sec 0 65 16 5 42 1066 8 0 75 19 1 0 75 19 1 12 5 317 5 1 5 38 1 25 635 0 2 4 60 96 Page 54 Equipment Designation kkk Non NEES NEES Non NEES Non NEES Non NEES Actuator Type Serial No MTS Servo controlled Dynamic Rated Double Rod 244 31 360 MTS Servo controlled Dynamic Rated Double Rod 244 31 393 MTS Servo controlled Dynamic Rated Double Rod 204 63 503 MTS Servo controlled Dynamic Rated Double Rod 244 12 222 MTS Servo controlled Dynamic Rated Double Rod 244 12 585 Load Capacity Area Stroke in in 2 kips kN Mm 55 244 65 55 244 65 22 97 86 5 5 24 47 5 5 24 47 SEESL Lab Manual 18 3 24 118 1 609 6 18 3 12 118 1 304 8 7 8 6 47 1 152 4 6 152 4 1 8 11 61 1 8 6 11 61 152 4 Servovalve Type 252 25 256 09 252 24 252 25 2 252 25 Servo Controller MTS 406 458 407 FlexTest MTS 406 458 469 407 FlexTest MTS 406 458 407 FlexTest MTS 406 458 469 407 FlexTest MTS 406 4
27. 58 469 407 FlexTest Peak Equipment Servovalve Velocity Designation Ipm in sec mm sec 15 56 78 2 95 74 9 Non NEES 90 340 69 17 431 8 Non NEES 10 37 85 5 127 0 Non NEES 30 113 56 50 1270 0 Non NEES 15 56 78 27 685 8 Non NEES Page 55 Actuator Type Serial No MTS Servo controlled Dynamic Rated Double Rod 244 00 308 Enerpac Hollow Core Jack Enerpac Solid Core Jack Enerpac Solid Core Jack Load Stroke Peak Equipment Servovalve Velocity Desi Quantity Capacity Servovalve Servo esignation Controller kips 2 mm in sec T 2 mm sec 07 4 MTS 406 1 2 2 9 79 252 24 458 407 10 37 85 49 1244 6 Non NEES 4 516 101 6 Pod 20 24 1 60 267 129 101 6 NA NA None NA Non NEES 26 7 4 1 80 355 86 172 3 101 6 NA NA None NA Non NEES 16 7 24 1 50 222 41 107 7 101 6 NA NA None NA Non NEES Velocity assumes no load on actuator Same as previously listed actuator with different servovalve Fees will not be applied to scheduled NEES projects Fees wil be charged for extra unscheduled time Disclaimer The rates are direct costs only and DO NOT include a 57 6 Department fee for administration and university fees This overhead has to be added in estimates MTS 256 808 servovalve be controlled with MTS 469D controller ONLY 3 5 1
28. Bearing Testing Machine 3 5 2 5 Tinius Olsen Universal testing Machine 300 kips 1350kN This machine has been used primarily for testing concrete cylinders structural steel members and standard steel test specimens The machine consists of a dual SEESL Lab Manual Page 61 crosshead mechanical screw load frame with a test surface platen having an effective area of 31 in 79 cm x 43 in 109 cm The platen is 45 in 114 3 from the lab floor The crossheads can be placed at any height along the screws to allow testing of specimens up to 72 in 183 cm long in tension The upper crosshead is locked in place during testing while the lower crosshead moves along the machine s screws to apply tension or compression to the specimen Compression testing capacity is limited by the tendency of tall specimens to buckle but theoretically a 72 in 183 cm specimen can also be tested in compression The machine is capable of testing specimens in tension or compression to 300 kips 1334kN Force readout is provided by a dial indicator calibrated in ranges of 3 12 60 and 300 kips 13 53 267 and 1334kN For electronic readout any suitable load cell can be mounted in series with the test specimen Alternatively a Temposonic displacement transducer is mounted on the gear rack assembly which drives the dial indicator providing a linear voltage readout proportional to the position force readout of the dial indicator Displacement readout is acc
29. ES Fees for Labor Technical Assistance per day minimum 1 2 Fringe benefits included in the basic Daily Hourly Daily Hourly fees Engineering aid Expert Student grad Consultant Lab Technician Majewski Lab Specialist Weinreb Koslowski Budden Staniszevski Development engineer operator Pitman Expert Testing Consultant 1 010 125 Fees for Equipment Usage Research Research NEES Item Equipment Full Usage Idle Full Idle Occupancy Usage Occupa ncy TESTINGSYSTEMS J J O 1 Shake Table 1 or 2 6 DOF 1 750 875 2 Shake Table 2 with reaction wall 6 DOF 1 800 900 3 Shake Table 1 and 2 6 DOF 3 500 1 750 4 Shake Table 5 DOF 1 700 850 1 700 850 SEESL Lab Manual Page 98 5 Shake Table Small 400 200 400 200 6 Bearing Testing Machine large 300 60 300 60 7 Bearing Testing Machine small 200 40 200 40 8 Reaction Frame large 300 60 300 60 9 Reaction Frame small 100 20 100 20 10 Reaction Wall 300 60 TESTAPARATUS 14 11 140 ton UTM Tinius Olsen Machine 60 10 60 10 12 110 ton UTM MTS 100 20 100 20 13 Axial Torsion MTS apparatus 200 40 200 40 __ ACTUATORS with CONTROLLERS pop Actuators dynamic high capacity gt 100 14 tons Actuators dynamic medium capacity 15 20 100 tons 300 60 16 Actuators dynamic small capacity 20 tons 200 40 Actuators static high capacity gt
30. INSTRU TIOMA LABORATORIES Figure 2 1 2 1 Testing Area 2 within Plan of Laboratory Facilities 2 1 2 1 Shake Tables A and B A set of two high performance six degrees of freedom shake tables which can be rapidly repositioned from directly adjacent to one another to positions up to 100 feet apart center to center Together the tables can host specimens of up to 100 metric tons and as long as 120 feet and subject them to fully in phase or totally uncorrelated dynamic excitations SEESL Lab Manual Page 11 1 ar it IN 1 2 Figure 2 1 2 1 1 View of Shake table A 2 1 2 2 Reaction Walls There are two Reaction Walls in Test Area 2 one next to strong floor and one next to the shake table trench Physical Dimensions of the Reaction Wall next to Strong Floor are e Length 41 0 Height 30 0 Thickness 2 0 SEESL Lab Manual Page 12 Physical Dimensions of the Reaction Wall next to Shake Table Trench are e Length 23 0 e Height 30 0 Thickness 2 0 Figure 2 1 2 2 2 Reaction Wall next to Shake Table Trench 2 1 2 3 Strong Floor Physical Dimensions of the Strong Floor in Test Area 2 are Length 79 0 e Width 39 0 Reaction Wall Lo let age Figure 2 1 2 3 1 Picture of Testing Area SEESL Lab Manual Page 13 2 1 2 4 Gantry crane Test area 2 is equipped with 40T Gantry crane that spans width of test area and is operated by remote control Oper
31. Recharge fees are required for use of tools by research visitors in SEESL lab The recharge rates are listed in the Recharge Fees Schedule see section on Recharge Fees below Recharge rates are updated annually NEES researchers will have to budget a minimum of 500 for use of lab tools Current recharge rates can be found on the SEESL website Access to Instrumentation Instrumentation purchased through NEES 16 available for free use to NEES researchers A complete list of NEES instrumentation is identified on the SEESL UB NEES Lab Manual Additional instrumentation may be available for a fee All instrumentation is available to non NEES researchers for a fee For safety reasons only SEESL staff are allowed to operate much of the SEESL Laboratory instruments and equipment Examples include hydraulic equipment e g pump manifolds controllers actuators and hoses forklift scissors lift electric arc welder oxygen acetylene cutting torch and all computing equipment except as outlined in the Access to IT Section cameras except as outlined below and associated cabling except as outlined below This policy will be enforced strictly The only exceptions are use of the electric welder and or cutting torch as described in the Access to Tools Section and data sensors and lighting not attached to robotic arms NEES and Non NEES data sensors e g linear variable differential transformers string pots and other reusable sensors not
32. Years 2 Years One Year Local Calibration 2 Years 2 Years Non NEES Non NEES Non NEES Non NEES Non NEES Non NEES NEES NEES 3 7 1 3 Strain The Strain Gauge While there are several methods of measuring strain the most common is with a strain gauge a device whose electrical resistance varies in proportion to the amount of strain in the device The most widely used gauge is the bonded metallic strain gauge The metallic strain gauge consists of a very fine wire or more commonly metallic foil arranged in a grid pattern The grid pattern maximizes the amount of metallic wire or foil subject to strain in the parallel direction Figure 3 7 1 3 1 The cross sectional area of the grid is minimized to reduce the effect of shear strain and Poisson Strain The grid is bonded to a thin backing called the carrier which is attached directly to the test specimen Therefore the strain experienced by the test specimen is transferred directly to the strain gauge which responds with a linear change in electrical resistance Strain gauges are available commercially with nominal resistance values from 30 to 3000 O with 120 350 and 1000 being the most common values Align ment Marks 1 Solder Tabs 1 1 Active Grid Carrier Langth Figure 3 7 1 3 1 Bonded Metallic Strain Gauge It is very important that the strain gauge be properly mounted onto the te
33. able A Number of reaction frames are also available for providing lateral support The area is accessible through a 20 ft 6m wide by 13 ft 4m high roll up door and a 12 ft 3 7m wide by 12 ft high 3 7m roll up door Both doors are located at the north end of the laboratory and open into the fabrication and receiving areas which make for excellent accessibility to the loading bay The laboratory has an overhead bridge crane which is capable of moving materials and test units to any location within the seismic laboratory Also available within this laboratory are two bearing testing machines The Large Bearing Testing Machine has been developed and primarily used for commercial testing of large bearings The Small Bearing Testing Machine is highly versatile and is capable of applying simultaneous compression or tension shear and rotation on specimens An office is located in the southwest corner of the laboratory which houses the control center for the seismic simulator A storage room is also located in this vicinity which stores instruments and data acquisition equipment SEESL Lab Manual Page 2 Figure 2 1 1 2 Shake Table O in Testing Area 1 with extension block 2 1 1 1 Shake Table O A portion of the seismic lab is dedicated to a 12 ft 8 7m by 12 ft 8 7m seismic simulator An opening in the floor allows for a shake table pit to enclose the simulator as well as its mechanics This shake table has been in use at the University
34. ach table for repositioning within the length of the trench The carrier capable of raising the table with the 4 horizontal actuators 2 actuator buttresses and 4 vertical actuators is attached A steel beam is used for securing the horizontal actuator buttresses to the table during movement The carrier rides on polyurethane wheels for ease of positioning and tracks along a center rail embedded in the trench floor being moved with a winch system Each shake table is driven by the following hydraulic actuators 1 Longitudinal X and Y axis hydraulic actuators quantity 2 each axis MTS Model 244 4 Hydraulic Actuator with a dynamic force rating of 21 metric ton and a dynamic stroke of 300 mm 150 mm The actuator assembly includes the following Hollow single piece rod Model 256 25S servovalve rated at 10001 LVDT type stroke transducers Swivel heads and bases Close coupled pressure and return accumulators Differential pressure cells 2 Vertical Z axis hydraulic actuator quantity 4 MTS Model 206 5 Hydraulic Actuator with a dynamic force rating of 25 metric ton and a dynamic stroke of 150 mm 75 mm The actuator assembly includes the following Hollow single piece rod b Model 256 18s servovalve rated at 650lpm c LVDT type stroke transducers d Swivel heads and bases f wo 0 Close coupled pressure and return accumulators Differential pressure cells g Integral static support with 20 to
35. ages in a quarter bridge configuration and the amplification can be set in the range of 1 to 220 The excitation voltage can be easily adjusted using a front panel control in the range of 0 0 to 10 0 volts Miscellaneous DC power supplies built in house are used to supply input voltage to linear potentiometers and Temposonic Displacement Transducers section 2 5 2 They are built configured and maintained as needed Table 17 Available Signal Conditioners Quarter Signal Gain Bridge Strain Excitation Equipment Conditioner of Configurations Channels Range volts Designation Resistance Ohms Measurement Group 2300 90 Full Half 120 350 0 7 15 0 Non NEES Sroup 25 0 11000 Quarter DC Measurement Full Half Group 2100 20 1 220 120 350 0 0 10 0 5 Quarter DC Generic Potentiometer 20 NA NA NA 10 0 Non NEES power supply Generic Temposonic 35 NA NA 15 0 15 0 Non NEES power supply Misc standalone 15 NA NA NA NA Non NEES charge amps etc 3 3 Electronic Instruments 3 7 3 1 Oscilloscopes The laboratories currently support one 4 channel storage oscilloscope used mostly for instrumentation calibration and verification of signal integrity The oscilloscope is a Tektronix model TDS224 and has storage and data acquisition functionality 3 7 3 2 Digital Multimeters and Voltage Standards The lab maintains several digital multi
36. al chamber capable of sustaining temperatures in the range of 40 C to 50 C A quarter length scale six story steel model structure with 200 kN weight for use in earthquake simulator testing k A quarter length scale steel bridge model with 150 KN weight and featuring flexible or stiff piers for use in earthquake simulator testing A versatile quarter length scale steel model that can be configured in a variety of configurations including 3 bay 3 story building and one bay 6 story building m Welding equipment hydraulic jacks forklifts rigging equipment etc n Heavy hand and machine tools 0 Technical services for assembly of specimens 0 Instrumentation modification and calibration services q The University at Buffalo library facilities during the duration of stay Subject to the limitations listed below r Parking space at the University at Buffalo parking facilities for a nominal fee typically less than 5 per year during the duration of Subject to the limitations listed below Note that these facilities and equipment may not be available for use Careful planning and scheduling is required Recharge Rates Fees The use of the SEESL equipment by either NEES or non NEES researchers require budgeting according to rates approved by University at Buffalo For NEES sponsored projects the majority of operation and maintenance costs are anticipated to be covered by the NEES O amp M contract between NEES a
37. and concrete slabs 3 2 1 1 Physical data Reaction Wall next to Strong Floor e Length 41 0 Height 30 0 e Thickness 2 0 Reaction Wall next to Shake Table Trench Length 23 0 Height 30 0 e Thickness 2 0 3 2 1 2 Capacity data SEESL Lab Manual Page 39 Table 4 Strong Wall Capacity Data Allowable load per strip along NUMBERED lines based on shear strength span 5555 5 12121101 54 1784 182 12 900 3 O 457 712 2333 238 172 900 5 226 1028 3370 343 172 900 Allowable concentrated load PER HOLE based on shear strength ooo PT seh sa strength span ft o kp kN kN ton 1 S 239 1088 108 11 172 900 3 O 143 1423 145 172 900 5 482 205 205 210 17 900 Allowable concentrated load PER HOLE based on moments Position gross nole 2 0 61m span kN tn to mm ft 1 AJ f 241 106 10900 112 16 1000 Allowable concentrated load PER HOLE based on punching shear Position Max force shear clear strength span ft N kN tn kp ft 10 00 Allowable moment per strip along ALPHABETICAL lines based on shear Position gross span o kN m ft ton mim ton mim ft T e 1487 Allowable overturn
38. ates include overhead for laboratory intangibles Ocupancy charges apply to usage of space beyond the originally scheduled time Fees will not be applied to scheduled NEES projects For all extra unscheduled time of NEES projects fees will be charged using Non NEES rates Technician time will be charged for activities not supported by NEES maintenance contract SEESL Lab Manual Page 99 Additional fee of 300 should be added for moving from and to storage OVERHEAD SHOULD BE ADDED TO THE ABOVE FEES AT THE OFFICIAL UNIVERSITY AT BUFFALO RATES CURRENT OVERHEAD RATES October1 2004 57 57 5 3 Scheduling 5 3 1 Scheduling rules Project Planning Work Plan All researchers planning to access the SEESL site must follow the NEES Inc guidelines for access to NEES research facilities The following are minimum requirements for such access The key element to safe and efficient use of the SEESL equipment the lab space and the associated facilities is the project WORK PLAN A detailed WORK PLAN must be prepared by all users and this plan must be approved in advance of work by the Site Operation Manager The work plan will be incorporated into the contract between the user and the University at Buffalo on behalf of SEESL During the award process all principal investigators researchers must submit the WORK PLAN indicating the test set up including fail safe system required the equipment and instrumentation required the testing protocol in
39. ation is restricted to Staff or Trained Personnel ONLY fous ES a n 1 T 4 Figure 2 1 2 4 1 Picture of 40T Gantry Crane i in Testing Area 2 2 1 2 5 Instrumentation platform F gt A a Figure 2 1 2 5 1 Picture of Instrumentation Platform in Testing Area 2 SEESL Lab Manual Page 14 2 1 2 6 Visitors gallery Two Observation Decks located on 24 and 3 level of the lab Figure 2 1 2 6 1 Visitors Gallery i in Testing Area 2 2 1 2 7 Servers room All servers are housed in the server room located on the first floor of the Testing Area 2 lab Servers are mounted in racks with redundant and backup power supply Dual gigabit Ethernet connections are provided to each server There is an integrated LCD keyboard console to locally administer all servers in the rack The Servers housed are NEESpop NEES TPM Mass Storage NAS Domain Controllers Web Servers Email Server SEESL Lab Manual Page 15 Figure 2 1 2 7 1 Server Room in Testing Area 2 2 1 2 8 Operator deck room Elevated Control Room houses Workstations capable of controlling any data acquisition or control system in the lab These workstations are preloaded with all the necessary software to run any system in the lab Additionally software to quickly visualize and analyze captured data is preinstalled as well da Figure 2 1 2 8 1 Control Room in Testing Area 2 2 1 2 9 Equipment The
40. ation of Seismic Retrofit of Structures with Supplemental Damping 6 12 NCEER 95 0001 January 1995 6 13 Earthquake Simulation Tests of a Low Rise Metal Structure 6 14 NCEER 88 0026 6 15 Sandbox 6 16 Qualification for Station Post Insulators Solid Core Subjected to Lateral Cantilever Loading 6 17 ABB Corp July 1990 6 18 Evaluation of Tyfo S Fiber Wrap System For Out of Plane Strengthening of Masonry Walls 6 19 Watson Inc March 1995 6 20 Damping Test for 500 kV DC Capacitor Bank SEESL Lab Manual Page 102 6 21 6 22 6 23 6 24 6 25 6 26 6 27 6 28 6 29 6 30 6 31 6 32 6 33 6 34 6 35 6 36 6 37 6 38 6 39 6 40 6 41 6 42 6 43 Westinghouse April 1988 Testing of Bridge Seismic Isolation Systems NCEER 93 0020 NCEER 94 0002 NCEER 94 0014 NCEER 94 0022 Prototype Testing of Viscous Dampers for San Bernardino Medical Complex Taylor Devices Inc 1994 Experimental Study of Fluid Viscous Dampers in Buildings 92 0032 Development Testing of Energy Dissipation Systems for Stiff Structures The Center for Industrial Effectiveness and Taylor Devices 1997 Development and Testing of a Semi Active Damping System NCEER 95 0011 Testing of Elastomeric Bearings Scougal Rubber Corporation 1996 1997 Testing of Sliding Bearings Dynamic Isolation Systems Inc 1997 Testing of Electronic Equipment and Computers NCEER 92 0012
41. atory personnel and students the table is 3 ft by 5 ft 0 9m by 1 5m has payload of 6 kips 26 7kN a stroke of 3 in 762mm and can reach accelerations of 0 8g The table is driven by a 5 5 kip 24 47kN actuator with two 15gpm 56 78lpm servovalves The specimen height is restricted by uplift conditions since the table rides on slide bearings It is suitable for use with an available three story 6 kip 26 7kN steel model structure SEESL Lab Manual Page 7 2 1 1 6 Portable Reaction Wall Block Figure 2 1 1 6 1 Picture of Portable Reaction Wall 2 1 1 7 Testing set ups The laboratory is equipped with two bearing testing machines The Large Bearing Testing Machine has been developed and primarily used for commercial testing of large bearings It is capable of applying 1600 kips 7117KN vertical load and lateral displacement of 5 in 125mm amplitude and 10 in sec 255mm sec peak velocity Figure 2 1 1 7 1 and Figure 2 1 1 7 2 present views of the bearing testing machine in the testing of a single elastomeric bearing and of a pair of elastomeric bearings SEESL Lab Manual Page 8 Figure 2 1 1 7 1 Testing of a Single Elastomeric Bearing in Large Bearing Testing Machine Figure 2 1 1 7 2 Testing of a Pair of Elastomeric Bearings in Large Bearing Testing Machine The Small Bearing Testing Machine is a highly versatile machine that is capable of applying simultaneous compression or tension shear and rotation on s
42. available stroke of 40 in The actuator s servovalve has a flow rate of 15 56 78 Ipm and the actuator has a maximum velocity of 0 393 in sec 9 982 mm sec with that particular valve Miller servo controlled static rated actuators x2 with a load capacity of 250 kips 1112 06 kN and an available stroke of 8 in 203 2 mm The actuator s servovalve has a flow rate of 15 56 78 Ipm and the actuator has a maximum velocity of 0 65 in sec 16 5 mm sec with that particular valve Force is measured using manufacture supplied load cells and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x3 with a load capacity of 220 kips 978 61 kN and an available stroke of 40 in The actuator s servovalve has a flow rate of 15 56 78 and the actuator has a maximum velocity of 0 75 in sec 19 1 mm sec with that particular valve This particular actuator is SEESL Lab Manual Page 51 equipped with an alternate servovalve for high speed testing which has a flow rate of 800 3000 Ipm and the actuator has a maximum velocity of 42in sec 1066 8 mm sec Force is measured using a manufacture supplied load cell and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 220 kips 978 61 kN and an available stroke of 10 in 254 0 mm The actuator s servova
43. buted into three accuracy zones as follows 6000mm 5000mm 1500mm 900x550mm 3600x2600mm Figure 10 camera field of view Resclution D C02 mm at 2 5 mm Noise 1g 0 010 mm Accuracy Zone Volumetric Accuracy Single Foint Accuracy 29 20 S0um Dum 7 anim JUu 25 mim Uum 1 u mim 190um 25 130 17 Figure 3 8 3 2 Performance limitations of K600 3 8 4 Dell Workstations Portable DAQ These systems 3 total each consist of 16 channels of National Instruments 16 bit data acquisition input channels 4 analog output channels and LabView 7 Express data acquisition development system The systems are portable and can be used in the NEES SEESL environment as well as in the various teaching labs located throughout CSEE To take a look at Labview user manual as well as the manuals for other SEESL Lab Manual Page 81 equipment available on site please refer to training manuals section of SEESL nees buffalo website 3 8 5 Dell PC amp Data Translation 12 bit Desktop System The lab supports a varying number of these systems They are configured as needed for up to 32 channels per PC As the previously mentioned Dell LabView systems are being phased into service these systems will gradually be taken out of service due to obsolescence of hardware and software components 3 9 Networks 3 9 1 Description The lab is equipped with a gigabit local area
44. cement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuators x2 with load capacities of 5 5 kips 24 47 kN and an available stroke of 6 in 152 4 mm One actuators servovalve has a flow rate of 30 gpm 113 56 Ipm and the actuator has a maximum velocity of 50 in sec 1270 0 mm sec with that particular valve The other actuators servovalve has a flow rate of 15 56 78 Ipm and the actuator has a maximum velocity of 27 in sec 685 8 mm sec with that particular valve Force is SEESL Lab Manual Page 52 measured using in house custom built load cells and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 2 2 kips 9 79 kN and an available stroke of 4 in 101 6 mm The actuators servovalve has a flow rate of 10 37 85 Ipm and the actuator has maximum velocity of 49 in sec 1244 6 mm sec with that particular valve Force is measured using a manufacture supplied load cell and displacement is measured using internally mounted LVDTs Figure 3 5 1 2 Dynamic Actuators MTS 244 515 Table 7 Performance Data of Actuators
45. e reached Cyclic loading frequency is limited to 2Hz The geo engineering laboratory also includes a laminar box 2 75 W x5 L 6 2m high internal dimensions for full scale prototype 1 g soil and soil structure interaction studies for earthquake engineering research as described in the NEES Laboratory Manual 2 3 2 Instructional soil lab The laboratory is equipped for conducting standard laboratory tests including classification tests compaction permeability constant head and falling head unconfined compression and direct shear tests In particular the laboratory houses a two Geotest S22 5A 100x100mm direct shear test apparatus and one 100x100mm Soil Test D 500A direct shear apparatus and digital data acquisition system b five 70mm diameter ELE consolidation cells and load stations with 8 channel ELE digital data logger and c two Geotest S 2013 and S 2014 unconfined compression test machines While the laboratory is used primarily for undergraduate instruction it is also used for research 2 3 3 Instructional structures lab The laboratory houses an MTS Axial Torsion machine shown in Figure 2 3 3 1 a small portable shake table several frames for loading small structural models a small electro hydraulic actuator four computers and a portable data acquisition system The MTS machine is capable of applying 100 kips 445kN tension 50 kip in 5 65kKN m torque and rotation of up to 50 degrees t is used both for in
46. e single ended they are primarily used for vertical load application Force is measured using in house custom built load cells and displacement is measured using external displacement transducers MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 55 kips 244 65 kN and an available stroke of 12 in 304 8 mm The actuator s servovalve has a flow rate of 90 340 69 Ipm and the actuator has a maximum velocity of 17 in sec 431 8 mm sec with that particular valve Force is measured using a manufacture supplied load cell and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 55 kips 244 65 kN and an available stroke of 24 in 609 6 mm The actuator s servovalve has flow rate of 15 56 78 lpm and the actuator has maximum velocity of 2 95 in sec 74 9 mm sec with that particular valve Force is measured using a manufacture supplied load cell and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 22 kips 97 86 and an available stroke of 6 in 152 4 mm The actuator s servovalve has a flow rate of 10 37 85 lpm and the actuator has a maximum velocity of 5 in sec 127 0 mm sec with that particular valve Force is measured using an in house custom built load cell and displa
47. e system has a dedicated integral Hydraulic Service Manifold with 30 gallons each of pressure and return accumulators Two 2 50gpm hydraulic service manifold are available for connecting the static actuators Typically these manifolds are connected to the south strong floor distribution manifolds however they can be used throughout the laboratory wherever a connection point exists SEESL Lab Manual Page 50 Figure 3 4 2 3 2 MTS 293 12 50 GPM Hydraulic Service Manifold 3 4 2 4 Oil Filtration and Cleanliness The hydraulic distribution system is designed to meet an oil filtration quality of ISO 13 10 This level of cleanliness is critical for high fidelity servo valve systems The system is designed to use Mobil DTE 25 hydraulic fluid or the equivalent Oil samples are taken at 3 month intervals and sent to MTS for evaluation If particle counts exceed the ISO 13 10 specification corrective action is immediately taken This typically involves flushing the hydraulic distribution system at high flow rates for several hours or days after which oil samples are again drawn for evaluation 3 5 Loading Systems 3 5 1 Hydraulic actuators The laboratories feature numerous actuators suitable for a variety of different testing procedures A detailed listing of the different actuators is presented in table 1 in the lab manual MTS Systems Corporation servo controlled static rated actuator x2 with a load capacity of 440 kips 1962 kN and an
48. e the detailed design of the fail safe system Each testing arrangement and specimen must be reviewed and certified stamped by a Professional Engineer with experience in dynamic testing or with demonstrated equivalent qualifications The SEESL Site Operations Manager OM will review the completeness of submittal The Site Operation Manager will work with visiting researchers review testing plans and help visiting researchers demonstrate and document that their testing apparatuses satisfy OSHA in full and the State and Campus safety requirements The Site Operation Manager will be the point of contact for users of SEESL and will provide the information needed to develop a WORK PLAN Note that the safety of the test set up and of the SEESL equipment will remain the responsibility of the researcher or user The NEES researchers will have to negotiate with the NEES Inc staff a schedule that will be agreed to jointly with SEESL staff For any time in excess of that negotiated with NEES Inc fees will be charged at SEESL Lab Manual Page 100 the rates charged for non NEES projects The scheduling for NEES researchers will be negotiated with the NEESinc Operations Manager and with the SEESL NEES Site Operations Manager Non NEES researchers will have to negotiate their schedule directly with SEESL Site Operations Manager Once activity begins in SEESL the researcher or user NEES or non NEES must update the WORK PLAN weekly and submit any cha
49. eaction W all Strong Floor Fast Actuator 100 200 ton 2D Bearings Figure 3 6 1 1 2 Laminar Box 1 g Full scale Tests on the Strong Floor SEESL Lab Manual Page 63 Shaking Frame Strong Floor 3 35 5 0m 5 6m 22 PLAN Figure 3 6 1 1 3 A typical pile test configuration Figure 3 6 1 1 4 Laminar Box in Test Area 2 3 6 1 2 Features Table 11 Laminar Box Module Dimensions amp Details B1 and B2 Box Internal Base Size mxm 2 75 5 2 75 2 5 2 75x5 Box Height m 62 or 3 1 Page 64 SEESL Lab Manual B1 and B2 Box Metal Weight empl 88 246 mo Soil Vol two tables two tables 6 2m or ona single 26 3 1 Number of Spanning Base Steel Bridge tons Payload Capacity 40 g ton 6 2m or 20 g 0 3g max ton 3 1m Maximum Weight incl box amp soil 100 tons 100 tons 6 2m or 50 185 tons tons Y Shaking Dir Inter laminate displ nominal limit 36 36 36 mm Inter laminate displ for special tests limit mm may increase this limit for 1 D tests Permanent Displacement between To be decided on a To be decided on a To be decided on a Laminate case by case basis case by case basis case by case basis Table 11 presents the dimensions and details of the various modules The load capacity characteristics are to be considered preliminary subject to verification and update In its largest con
50. ec 254 mm sec Bearing plan dimensions can be up to 45 in 114 3 cm by 45 in 114 3 cm It can be used for the seismic testing of sliding bearings and the characterization of frictional properties of large dimension material interfaces The machine can also be SEESL Lab Manual Page 60 used for the testing of elastomeric bearings The machine is capable of testing pairs of bearings or a single bearing with the use of rolling cylinders Figure 9 presents a view of this testing machine Figure 3 5 2 3 1 Large Bearing Testing Machine 3 5 2 4 Generic Small Bearing Testing Machine This machine has been developed for the testing of single bearings under controlled conditions of vertical load lateral movement and rotational movement It has a 140 622 8kN vertical load capacity 55 kip 244 7 kN horizontal load capacity 6 in 15 24 cm horizontal movement capacity with up to 15 in sec 381 mm sec velocity and rotational capability of 2 degrees Reaction forces can be directly measured by a multi component load cell which currently has a rated capacity of 20 kips 89 kN shear and 50 kips 222 4 kN axial load The machine can been used in the testing of elastomeric and sliding bearings including tests under variable axial load and tests of bearings pre stressed by tendons to prevent uplift Figure 10 presents a view of the testing machine during testing of an elastomeric bearing more zm Figure 3 5 2 4 1 Small
51. es for a project 5 2 4 Safety rules Laboratory safety is the highest priority at SEESL The Department of Civil Structural and Environmental Engineering CSEE has a SAFETY PLAN that covers the operations of SEESL This SAFETY PLAN requires safety training of all employees students and visitors Moreover it requires periodic inspection of laboratories and other spaces for identification and correction of unsafe conditions The SEESL Site Operations Manager OM is responsible implementing the SAFETY PLAN and for coordinating the training of employees students and visitors in the NEES facility The SEESL Deputy Director is in charge of development of rules and policies or resolving safety issues in the absence of appropriate policies The Field Safety Officer who is a member of the SEESL Technical Staff serves as the floor supervisor The Field Safety Officer is empowered to suspend the work or the visit of any person who does not comply with the safety requirements All researchers and users of SEESL must undergo safety training prior to starting work in the laboratory The training can start with a review of the CSEE Safety Training Manual http nees buffalo edu Upon arrival at SEESL the visitor must take the 6 hour training class which includes a walk through of the facilities and an examination described below Each person will be issued a certificate of completion of safety training allowing access to the facility All researchers pla
52. fety Manual The requirements listed below are intended to provide a select but incomplete list of do and do nots a General Requirements e Access in the laboratory is permitted when at least one other person is in the laboratory and he or she has been informed of your presence and is in eye or communication contact with you at all times e Know where First Aid Kit Eye Wash Station Fire Exits Fire Extinguishers and Electrical Disconnects are located e Know the location of emergency phones and emergency shut off buttons for the hydraulic system Use them at the request of lab personnel or in their absence using your best judgment e Keep walkways which are marked with crosshatched yellow tape clear of all obstacles at all times e Do not block fire extinguishers or electrical panels e Clean up work area daily e f your work will generate dust cover sensitive equipment before you start and clean the dust Dust cleaning equipment available in the laboratory SEESL Lab Manual Page 92 At the conclusion of testing safely remove and dispose of the specimens within the time frame agreed to in the WORK PLAN The researcher remains responsible for the removal operations until this task is complete b Testing Areas When the warning strobe lights are flashing the hydraulic system is active and testing operations are in progress Unauthorized personnel must not approach within 10 feet of any hydraulic line shake table act
53. figuration Module A1 2 75x5x6 2m the laminar box is supported on the strong floor on a steel shaking base frame supported on rubber sliding bearings It can be actuated in 1 D using one or more of the UB NEES 100 ton fast dynamic actuators MTS or in 2 D by using two or more 100 tons fast actuators mounted at 45 degrees on the new UB NEES reaction wall 30ft high 41ft wide The total weight of the box filled with sand is about 150 170 tons whereas the maximum horizontal dynamic actuator capacity is 90 tons in each horizontal direction simultaneously or 180 tons in any one direction Thus very large shaking g levels are possible The actuators can be fed with any recorded motion and the controllers can be set to compensate for any compliance effects to accurately shake the base of the soil to meet any desired recorded earthquake motion Data acquisition systems are available to monitor up to 256 channels at high frequencies High resolution imaging tools can be positioned to capture deformation patterns at any selected zone in the soil box In its smaller configurations modules A2 B1 and B2 the laminar box may be mounted on a shake table with a maximum payload capacity of 50 tons weight including the box weight Where higher weights are expected the box may be assembled over a steel base frame supported by two identical shake tables allowing up to 100 tons maximum weight including the weight of the box and the steel base frame The shake table
54. g Ketter 00000000 wirketted99251 cc vis ketterl99 252 cc O N oor 5 oor rood Good BE oc Updsted March 15 2004 a Figure 3 9 2 2 1 Ketter Hall wireless coverage 3 9 3 Servers All servers are housed in the server room 161 Ketter Hall located on the first floor of the lab Servers are mounted in racks with redundant and backup power supply Dual gigabit Ethernet connections are provided to each server There is an integrated LCD keyboard console to locally administer all servers in the rack Figure 3 9 3 1 Server room SEESL Lab Manual Page 84 3 9 3 1 NEESpop NEESgrid Point of Presence The gateway for authorized and secure access to local site resources including telepresence telecontrol local data repository and other collaboration services Hardware specifications e Dell PowerEdge 2650 e Dual Xenon 2 4GHz Processors 100GB RAID 5 Storage 2 x Gigabit Ethernet NICs e 2GB of RAM Software Specifications e Red Hat Enterprise Linux 3 0 e NEESpop 2 2 URL http pop nees buffalo edu 3 9 3 2 NEES TPM Telepresence server Manages and provides remote access to all telepresence video audio streams Hardware Specifications e Dell PowerEdge 2650 e Dual Xenon 2 4GHz Processors 100GB RAID 5 Storage 2 Gigabit Ethernet NICs 2GB of RAM Software Specifications e Red Hat Enterprise Linux 3 0 flexTPS 1 0 URL http tpm nees buffalo edu 3 9 3 3 Webserver a
55. gage accelerometer is similar in principle to a piezoelectric accelerometer except it is equipped with a built in resistor which allows it to be used with a standard signal conditioner Table 7 presents a summary of the available transducers excluding load cells and their range of measurement Table 12 Available Transducers Equipment Measurement i Designation Range Measured Quantity Quantity Device Type 25 2 0 in Displacement 20 Non NEES 64 5 08 cm Linear potentiometer Linear potentiometer Linear potentiometer Displacement 110 20 in Non NEES Displacement 2 5 in Non NEES 5 2 0 in LVDT Displacement 15 Non NEES 1 27 5 08 cm MTS Temposonic Displacement 13 4 in 10 16 cm Non NEES Transducer MTS Temposonic Displacement 4 8 in 20 32 cm Non NEES Transducer MTS Temposonic Displacement 3 10 in 25 4 cm Non NEES Transducer SEESL Lab Manual Page 67 MTS Temposonic Transducer MTS Temposonic Transducer MTS Temposonic Transducer Shaevitz RVDT R30D Endevco Piezoresistive Accelerometer Sensotec Piezoresistive Accelerometer Kistler Kistler PCB PCB Kulite Piezoresistive Displacement Displacement Displacement Rotation Acceleration Acceleration Acceleration Acceleration Acceleration Acceleration Acceleration 22 15 16 in 40 64 cm 20 in 50 8 cm 30 in 76 2 cm 0 30 degrees
56. ge 17 2 2 1 1 Machine shop area Perr FFE Pee eS SHS SEES See 3 3 Se TESTING AREA 2 2 2 4 LL E M AREA A AREA i FI torag 23 111111 ee i Eoi piri Shake Table Control 2 and Operations Room Level 2 7 Dv To basement LABORATORIES and Storage COLLABORATION AREAS ___ ZE E STORAGE OFFICES E SPECIALITY AND INSTRUCTIONAL LABORATORIES Figure 2 2 1 1 1 Machine Shop area within the Plan of Laboratory Facilities The laboratory maintains facilities and personnel for performing machining fabrication welding and erection of structural systems The equipment necessary to do so is located and stored within the Fabrication Area Available equipment includes the following Large Drill Press Small Drill Press Lathe Machine Small Lathe Machine Vertical Saw Horizontal Saw Surface Grinder Bench Grinder Mill Machine Mig Welder Tack Welder Stick Welder Pipe Threading Machine Inspection Table SEESL Lab Manual Page 18 2 2 1 2 Welding facility SEESL is equipped with several welding stations that can be moved to anywhere within the lab The welding machines available are e Mig Welder e Tack Welder e Stick Welder SEESL Lab Manual Page 19 2
57. hat each have various attributes and limitations which determine their suitability for different applications The following is a list of each different displacement transducer and a brief summary of its mechanics Linear Potentiometers The most readily available and simplest position transducer is a linear potentiometer excited by a DC source such as a battery It may be hooked up to deliver an output voltage that is essentially proportional to a straight line position varying between zero and a maximum Alternatively a potentiometer may be hooked up to deliver an output varying between a negative and positive voltage in proportion to a mechanical displacement that also varies between a maximum negative and a maximum positive value relative to a defined null position Linear Variable Differential Transformer LVDT The word linear appears in the name of the LVDT to denote straight line motion aS opposed to a linear relationship between input and output Three coils of electrically conducting wire are wound on an insulating form By the principle of mutual inductance an AC voltage across the terminals of the primary coil induces a voltage of the same frequency in each of the two secondary coils If the moveable ferromagnetic core is centered the two secondary voltages are of the same amplitude For a positive displacement of the core the voltage appearing across the number 1 secondary coil is greater in amplitude than at the null condition while
58. hin the laboratory area are several reaction frames that have been fabricated in house and are used to provide adequate support for lateral loading The tallest frame can be used to test specimens up to 20 ft 6m tall with lateral loads of up to 250 kips 1112kN at a height of approximately 8 ft 2 4m or lower The frame can also support up to 120 kips 534kN lateral load applied at a height of 8 ft 2 4m or higher Arrangements are available for developing vertical load in addition to lateral load and for providing lateral stability to the specimen Figure 2 1 1 4 1 Picture of the tallest reaction frame A second shorter reaction frame that is also available has been designed for 55 kip 245kN horizontal force applied at a height of 100 in 2 54m above the floor It is furnished with 55 kip 245 6 in 15 24 cm stroke and 90gpm 340 7lpm servovalve actuator Specimens may be attached to the strong floor or to a W21 x 50 beam that is attached to the strong floor The reaction frame may be used with an existing versatile steel portal frame column W8 x 24 beam W8 21 length 100 in 2 54m height 75 in 1 9m with simple connections that can be easily converted to semi rigid and rigid to test energy dissipating systems SEESL Lab Manual Page 6 Figure 2 1 1 4 2 Picture of the shorter reaction frame 2 1 1 5 Shake table S Testing Area 1 features also a Single Degree of Freedom shake table Built by labor
59. ing e Access to all computers is restricted to SEESL personnel with the exception of the data acquisition servers client machines SEESL Local Data Repository and video teleconferencing equipment personal computers will not be provided by the SEESL to NEES researchers e Accounts on the data acquisition servers client machines and the SEESL Laboratory Local Data Repository will be provided to NEES researchers by the Site IT Services Manager on an as needed basis after training on the equipment is completed SEESL is linked to computational facilities associated with the NEESgrid Use of those facilities is administered by the NEES Consortium Inc e The SEESL is connected to the NEES Data Repository Access to the NEES Data Repository including curation services is administered by the NEES Consortium Inc SEESL staff will facilitate access to the NEES Data Repository as needed e All results and metadata for experiments and simulations conducted within the SEESL will be stored on the SEESL Local Data Repository for a minimum of three months automatically and up to a maximum of six months after the termination date of the SEESL research agreement for the pertinent project Storage requests for a longer period of time than the minimum must receive approval from the Operations Manager e The SEESL staff will facilitate access to the SEESL Local Data Repository However SEESL staff will not provide curation or data reduction servic
60. ing moment per strip 4222 kipin kipf ft kN m ft ton m m ton m im ft Allowable position for actuators Mom strip of 4 302 1000 603 92 1000 10 00 YELLOW FORCES GOVERN THE DESIGN SEESL Lab Manual Page 40 3 2 1 3 Drawings Figure 3 2 1 3 1 Reaction Wall next to Shake Table Trench aee Me C F Figure 3 2 1 3 2 Reaction Wall next to Shake Table Trench SEESL Lab Manual Page 41 Figure 3 21 1 3 3 Plan view of Reaction Walls in Testing Area 2 2 1 E 1 Ere 21 E ES i Hi LL ab 12 EM 3L wa L 3 1 oe 541 ap 8 peas 39 J uk uw EF 1 Figure 3 2 1 3 4 Cross section of Reaction Walls in Testing Area 2 SEESL Lab Manual Page 42 3 3 Strong Floors 3 3 1 Strong Floor Test Area 1 3 3 1 1 Physical data The test floor is a five cell reinforced concrete box girder 40 ft 12 2m long 60 ft 18 3m wide and 8 ft 2 5m overall in height The thickness of the top test floor slab is 18 46 cm Tie down points consist of 4 2 77 holes which are arranged symmetrically in both directions 3 3 1 2 Capacity data Each tie down point has an axial load allowable capacity of 250 kips 1112 Figure 2 pre
61. ing the internet Two pan tilt zoom video cameras are located in the opposite corners of the room along with wired and wireless microphones to capture what ever is going on in the room These can be used with video conferencing system to collaborate with other sites using standard H 323 technology Multipoint videoconferencing is available using local resources with up to 3 remote endpoints and many more using shared Internet2 Commons resources Webcasting of audio video and computer content PowerPoint etc is also available and requires the remote viewer to access a webpage via their web browser to view the multimedia presentation Digital recordings of any presented material including audio video media can be made for use as instructional content Other Equipment In addition normal conference room activities are supported such as viewing of movies in either DVD or VHS format A visualizer is available for display of printed material Phone conferences can be held using integrated room microphones and speaker system Traditional whiteboards are located around the room in each corner The digital whiteboard can also be used as a traditional whiteboard using standard dry erase markers All these capabilities are controlled through a simple LCD touch screen interface located on the podium A simple set of intuitive menus can be navigated to configure and display any video source on any of the available screens and a feedback monitor Presenter needs
62. ke Velocity Acceleration 3 1 1 4 Drawings 3 6 meter x 3 6 meter meter x 7 meter 50 ton maximum 20 ton nominal 40 ton maximum 46 ton meter 15 ton meter 0 1 50 Hz nominal 100 Hz maximum X axis Y axis Z axis 0 150 0 150m x0 075m 1250 mm sec 1250 mm sec 500 mm sec 1 15 g 1 15 g 1 15 g w 20 ton specimen Figures 1 to 5 present construction drawings for the six degrees of freedom shake tables Figure 1 presents general plan view of the laboratory floor including the two shake tables in the trench next to a reaction wall Figure 2 3 and 4 shows top bottom and side views of one of the shake tables respectively Figure 5 shows details of the mounting bolts used to anchor a test specimen on the shake tables SEESL Lab Manual Page 31 wa 1211 1217 ram 1 VIEN Figure 3 1 1 4 2 Top view of six degrees of freedom shake tables SEESL Lab Manual Page 32 Yine MENS MIA PON LIEUX ae Ps Se EIA Spee eer i z c SECTION H H T ee aH T WEIT PH MODAUTER ED Se ama a Lais E Figure 3 1 1 4 4 Side view of six degrees of freedom shake tables SEESL Lab Manual Page 33 Te j r e ur 1 i 29 i Pi gt PLATE
63. l through the strong floor to the four distribution manifolds mentioned earlier The pressure risers are 130 mm and the return risers 140 mm in diameter Strong floor cut outs precast in the floor allow the passage of the piping system from the basement to the top of the strong floor SEESL Lab Manual Page 48 ELLAR WALI At the strong floor surface adjacent to the strong wall four high flow manual distribution manifolds Error Reference source not found are located with four sets of 2 inch hand and check valves to allow connection to the three moveable Hydraulic Service Manifolds This arrangement will supply the highest available volume flow to the structural actuators for their demanding applications for real time hybrid and other high demand testing These high flow manual distribution manifolds can also be used as general purpose distribution manifolds to connect other actuators for more traditional structural testing applications when the high flow structural actuators are not in use adding setup flexibility along the strong wall area Figure 3 4 2 2 3 MTS High Flow Hydraulic Distribution Manifold Beginning at the fourth high flow structural testing distribution manifold location approximately 60 feet of 75 mm diameter piping runs below the strong floor along the south edge of the floor Three low flow distribution manifolds Error Reference source not found are evenly spaced along this piping run and each is provided with t
64. ler 0 91m x 1 52m single degree of freedom horizontal shake table that has a payload capacity of at least 3 tons The specimen height for the single degree of freedom shake table is restricted by uplift conditions since the table rides on slide bearings The single degree of freedom shake table is suitable for use with an available three story 3 tons steel model structure SEESL Lab Manual Page 37 3 1 3 1 Physical data The single degree of freedom shake table is driven by a 25kN actuator equipped with two 15gpm 56 78lpm servovalves 3 1 3 2 Capacity data The single degree of freedom shake table is designed for the nominal performance shown in Table 3 These performance data are based continuous uniaxial sinusoidal motion with a 3 ton rigid specimen System performance levels will be reduced with payloads larger than nominal Table 3 Performance data of single degree of freedom shake tables Table size 0 91 meter x 1 52 meter Maximum specimen mass 3 ton nominal Maximum Overturning Limited by bearing Moment capacity Maximum Off Center Loading Unknown moment Frequency of operation 0 1 50 Hz Nominal Performance X axis Stroke 0 762m Velocity 762 mm sec 0 80 g Acceleration w 3 ton specimen SEESL Lab Manual Page 38 3 1 3 3 Drawings specimen 3 2 REACTION WALLS 3 2 1 Reaction Wall Test Area 2 Reaction Walls and Strong Floors allow 2 for testing of structual components such as steel trusses
65. lve has flow rate of 15 56 78 Ipm and the actuator has a maximum velocity of 0 75 in sec 19 1 mm sec with that particular valve This particular actuator is equipped with an alternate servovalve for high speed testing which has a flow rate of 250 946 35 lpm and the actuator has a maximum velocity of 12 5 in sec 317 5 mm sec Force is measured using a manufacture supplied load cell and displacement is measured using internally mounted LVDTs MTS Systems Corporation servo controlled dynamic rated actuator x1 with a load capacity of 110 kips 489 30 kN and an available stroke of 10 in 254 0 mm The actuator s servovalve has flow rate of 15 56 78 lpm and the actuator has a maximum velocity of 1 5 in sec 38 1 mm sec with that particular valve This particular actuator is equipped with an alternate servovalve for high speed testing which has a flow rate of 250 946 35 lpm and the actuator has a maximum velocity of 25 in sec 635 0 mm sec Force is measured using a manufacture supplied load cell and displacements is determined using internally mounted LVDTs Parker servo controlled static rated actuators x4 with a load capacity of 70 kips 311 38 and an available stroke of 4 in 101 60 mm The actuator s servovalves have flow rates of 15 56 78 lpm and the actuators have a maximum velocity of 2 4 in sec 60 96 mm sec with that particular valve Due to the fact that the actuators ar
66. meters all of which are calibrated annually and are used as reference standards for in house calibrations Calibration data sheets are available to users who wish to verify quality of measurements SEESL Lab Manual Page 76 3 7 4 Instrumentation frames SEESL is equipped with 3 instrumentation frames One orange frame is located next to Shake Table O in Test Area 1 Two blue frames are located next to Shake Tables A and B in Test Area 2 These frames are reference frames and are used in specimen instrumentation M ume m 3 Figure 3 7 4 2 Blue Instrumentation Frame SEESL Lab Manual Page 77 3 5 Instrumentation Databases 3 5 1 Instrumentation calibration 3 7 5 1 1 Lab procedures Most of the in house built lab equipment is calibrated on need to basis The most recent calibration certificates as well as calibration procedures can be accessed at calibration section of SEESL nees buffalo website 3 5 1 2 Calibration examples and databases Calibration records as well as procedures can be accessed through the_calibration section on SEESL nees buffalo website 3 8 Data Acquisition Systems 3 8 1 Pacific Instruments The 6000 Mainframe has an IEEE 488 interface for control and data output with mounting for 16 input and output modules It supports up to 31 additional slave enclosures or up to 32 000 channels Currently it is configured for 132 channels The Mainframe is running Version 8 1 of 1660 sof
67. ming possible via USB interface to PC Figure 3 7 1 4 1 JY HD10U Camera 12 PTZ cameras are 4 Canon VC CAR Cameras and 8 Canon VC C4 Cameras Table 15 Canon VC C4 VC C4R Camera Specification Total number of Pixels 470000 440000 effective pixels Resolution Horizontal Vertical 420 TV lines 350 TV Lines Zoom 16x Power Zoom Focus Auto Manual Aperture Auto Iris Servo System Pan Angle Range 100 vc c4 170 vc c4r SEESL Lab Manual Page 73 Pan Tilt Rotation Speed Pan 1 to 90 deg s Tilt 1 to 70 deg s Video Out RCA pin jack S Video Out 1 mini DIN 4 pin RS 232C in Mini 8 pin DINx1 out Mini 8 pin DINx1 DC Input Dedicated AC adapter Cascade Control up to 9 cameras Dimensions 100 W x 112 D x 89 5 H mm Weight 3754 440g E ae uw VC C4 VC CAR Figure 3 7 1 4 2 Canon VC C4 and VC C4R Cameras 10 CCD cameras are VC 806b audio models with following features Audio AUDIO MAX 2Vp p 50 Ohm 3 7 1 5 Images Still Signal System NTSC Image Sensor 1 4 SONY Super HAD CCD Effective Pixels 510 x 492 Horizontal Resolution 380TV lines Lens 3 6mm 92 Angle of View S N Ratio gt 48dB Min Illumination 1 0Lux F1 2 White Balance Auto tracking Shutter Speed 1 50 1 60 1 100 000 sec Video Output 1 0Vp p 75 Ohm Power Consumption 12VDC 120mA Dimensions 1 44 x 1 44 x 0 82 Figure 3 7 1 4 3 VC 806b Audio Camera Lab is equipped with two Digital SLR cameras Can
68. mp Domain Servers Host for the nees Buffalo website and controller of the NEES domain The domain is controlled by two identical computers to act as backup for each other in case the other one fails Hardware Specifications e Dell PowerEdge 2650 e Dual Xenon 2 4GHz Processors 100GB RAID 5 Storage 2 Gigabit Ethernet NICs e 2GB of RAM Software Specifications e Windows Server 2003 15 6 0 URL http nees buffalo edu 3 9 3 4 Email Server Hardware Specifications e Dell PowerEdge 2600 SEESL Lab Manual Page 85 e Intel Xenon 2 8GHz Processor e 36GB Storage 2 x Gigabit Ethernet NICs e 2GB of RAM Software Specifications e Windows Server 2003 CommuniGate Pro 15 6 0 URL http webmail nees buffalo edu 3 9 4 Mass Storage The lab is equipped with 3 5 TB network attached storage NAS system Netstor MVD by Excel Meridian All the data in the storage is being backed up daily on Tape Drives and once a week these backup tapes are taken to an off site storage site Hardware Specification e Intel Pentium 4 Xeon 2 4 GHz CPU 2 GB DDR PC2100 ECC memory 400W hot swap redundant power 2 10 100 1000Mb Gigabit Copper Ethernet built in 2 Ultra160 SCSI channels one for external RAID array one for external Tape Backup device e 1 16 bay SATA IDE to SCSI RAID solution configured with 16 250 GB SATA drives in RAID5 configuration with hot spare totaling in 3 5TB capacity en WEB T Figure 3 9 4 1
69. n capacity total static support capacity is 20 ton x 4 80 ton will all necessary nitrogen supply and control system The Hydraulic Power Supply HPS subsystem for both shake tables consists of four MTS Model 506 92 pumps rated at 185gpm 7001 at 3 000psi 207 bar each 3 1 1 2 Tables Extensions There are the two 7 x 7 meter shake table extension platforms available for each of the shake tables The Platforms are of welded steel construction with a weight of approximately 9 8 tons The extensions have painted top surface SEESL Lab Manual Page 29 IE 575 ES der 1 ru 7 sul 2 8 0222 NH E Figure 3 1 1 2 2 Shake Table B with extension platform 3 1 1 3 Performance Data The two six degrees of freedom shake tables are designed for the nominal performance shown in Table 1 These performance data are based continuous uniaxial sinusoidal motion with 20 ton rigid specimen System performance levels will be reduced with payloads larger than nominal SEESL Lab Manual Page 30 Table 1 Performance data of six degrees of freedom shake tables Table size w o table extension Table size w extension platform in place Maximum specimen mass Maximum specimen mass with table extension platform in place Maximum Overturning Moment Maximum Off Center Loading moment Frequency of operation Nominal Performance Stro
70. nd the University at Buffalo The O amp M contract will not be finalized until NSF approves the overall NEES budget request consequently this may affect the recharge fee for NEES services lf NEES fully funds our O amp M proposal and its amendments limited recharge fee would be needed for tools and rigging equipment However if these items are not fully funded the SEESL UB NEES will charge a minimum of 1500 a month for lab space rigging equipment and tools Until budgets are finalized researchers should assemble proposals with a 1500 a month fee for tool use If NEES or other non NEES fee free projects exceed the time allocation in the agreed schedule the researchers will be charged fees as for non NEES project The Recharge Fees Schedule see below for all research users is available also from the webpage hittp nees buffalo edu and is updated periodically All fees are subjected to overhead at current rates of University at Buffalo 57 as of October 1 2004 The overhead rates change periodically Before completing any budget check this document for updates Resources A service agreement prepared before the work can start at SEESL UB NEES developed between the SEESL and the researchers HOME INSTITUTION will establish the NEES resources to be utilized in the laboratory work and the non NEES resources required for the completion of the research If the latter SEESL Lab Manual Page 97 are required the agreements will incl
71. nerator is integral to each of the racks these controllers are mounted in A subset of modified MTS 433 controllers labeled as MTS 469 controllers is incorporated into the control system for the lab s seismic simulator This control system provides acceleration velocity and displacement control for the five active degrees of freedom in which the table is capable of moving Provisions are also made for cross coupling control to minimize the error encountered during the testing of tall and or heavy structures MTS 406 Servo Controllers These controllers consist of portable table top boxes which contain a main circuit board that provides program input to the actuator command vs feedback comparison error limit detection and LVDT conditioning Plug in cards provide load cell conditioning third stage valve control and other custom features as required per application The portability of these controllers enables them to be moved and reconfigured easily and interfaced with a variety of actuators MTS 458 Servo Controllers These are hybrid controllers consisting of analog and digital technology They can be configured as either rack mounted or free standing They consist of a card cage with a fixed hydraulic manifold control module and interchangeable actuator controllers These controllers are highly configurable providing servo control error limit detection and signal conditioning on each card Typically a 458 AC Controller module is configu
72. network LAN connected to the campus backbone with a fiber gigabit link All IP addresses on this network are in the 128 205 20 0 24 range Network ports are located through the lab including ports on the strong floor area along the shake table trench and the balcony Networking Hardware Configuration 4x Nortel Baystack 380 10 100 1000 switches Nortel Baystack 450 10 100 switches e 96 1000Mbps port activations 72100 Mbps port activations A wireless network 802 11b covering the entire lab area collaboration room and telepresence room is accessible to all NEES users For security reasons this network is firewalled and requires authorization A VPN client is provided for secure communications and is recommended for all users M ul Figure 3 9 1 1 Wireless poin SEESL Lab Manual Page 82 Wireless Configuration e 2 x Cisco Aironet 1200 Access Points UB VPN Client localized version of Cisco VPN Client 3 9 2 Schematics 3 9 2 1 Wired The 20 has connections to both Internet1 and Internet2 through the campus backbone All network connections for the 20net originate at the switching closet in XXX Ketter Proposed Network Design for Ketter Hall Addition Revision 6 10 2003 Pautler 27 Internet 1 HYS ER Hei a Applied 2000 E network within HY state oc BzzWbps HYSERMet UB Cisco UBBell Juniper Pa
73. nges for review and approval by the Site Operations Manager Failure to follow policies regarding safety or the WORK PLAN will result in the following consequences e First offense verbal reminder e Second offense written notification of out of scope work or safety violation e Third offense suspension of work and a mandatory review of both safety and WORK PLAN The results of the review of NEES research projects will be submitted to the NEESInc for further action Non NEES research be terminated directly by SEESL management Note Lab Personnel have the right to stop or refuse any task or any operation performed with any equipment used by any Lab User Schedules SEESL UB NEES is a shared facility which provides services to many entities SEESL is committed to share all the NEES equipment and facility up to 50 as required by the Management Operations and Maintenance MO amp M contract with NEES Inc and NSF NEES In order to accommodate all projects a carefully developed schedule agreement between the researcher and SEESL is required At the request of the researcher the Site Operations manager will develop a schedule which will have to be coordinated with NEES Inc for NEES projects or with the SEESL Director for non NEES projects The schedule will be then included in an agreement as indicated below The schedule will include all elements requested in the Work Plan Failure to obey the agreed schedule may result in additi
74. nning to work in the laboratory must wear personal protection equipment PPE which includes Hardhats are mandatory for all who access the testing floor in the laboratory Hardhats not required on the third floor observation deck e Steel toe shoes or boots are required in all areas of the testing floors Safety shoes are not required on the observation deck e Gloves are required whenever assembling or disassembling test specimens or test fixtures e Eyeglasses are mandatory when grinding impacting drilling mixing or hammering e Earplugs or earmuffs are mandatory and available from a member of the SEESL Technical Staff when grinding impacting or drilling SEESL Lab Manual Page 95 e A personal safety harness shall be used when and where required member of the SEESL Technical Staff The laboratory will provide hard hats gloves eye protection goggles earplugs and safety harnesses for short term visitors Safety shoes must be provided by the researcher or user 5 2 5 Access fees 1 Facilities equipment and services available to NEES researchers without fees a Two six degree of freedom earthquake simulators each with a payload of 50 tons 100 tons combined for a complete performance description visit http nees buffalo edu 0 Three high performance dynamic actuators 1000 kN capacity 500 mm stroke 1 m s velocity 800 gpm servo valves equipped with load cells and displacement transducers c Two static
75. odel instrumentation data acquisition and loading system The template also captures the test plan and implementation details The local repository may be used by the researcher to store all this additional information in the template 3 9 5 Telepresence The lab is equipped with 12 pan til zoom PTZ video cameras for real time streaming of video from the lab 4 are permanently mounted in the corners of the lab 4 are located on telescopic tripods that are relocatable and height adjustable up to 20ft 622 T SEESL Lab Manual Page 87 Figure 3 9 5 1 Camera platform mounted in SE corner of lab Figure 3 9 5 2 Telescopic tripod with camera platform Hardware Specifications e 2x Axis 2401 Video Servers e 6x Axis 2401 Video Servers e 4x Axis 2191 Audio Servers e 4 Canon VC C4R Cameras e 8x Canon VC C4 Cameras All telepresence video streams are accessible through the flexTPS website High frame rate video and PTZ camera control require username and password authorization 3 9 6 Multipurpose Workstations Workstations capable of controlling any data acquisition or control system in the lab Preloaded with all the necessary software for any system in the lab Additionally software to quickly visualize and analyze captured data is preinstalled Hardware Specifications e Dell Precision 650 Intel Xeon 2 66Ghz Processor 36GB SCSI Storage 2GB of RAM 20 Flat Panel Monitor Software Specifications e Windows XP Pr
76. ofessional SEESL Lab Manual Page 88 PI6000 LabView e 5 3 9 7 Computational Workstations Hardware Specifications e Dell Precision 650 e Intel Xeon 2 66Ghz Processor e 36GB SCSI Storage e 2GB of RAM e 20 Flat Panel Monitor Software Specifications e Windows XP Professional Matlab Microsoft Visual Studio SAP Larsa Idarc OpenSees SEESL Lab Manual Page 89 4 Support facilities 4 1 Teleparticipation Instructional Room The Telepresence Room in Ketter Hall Room 140 is a newly renovated space designed for observation and participation in research at local and remote NEES facilities Equipped with multimedia and collaborative technologies to facilitate a virtual presence at any remote laboratory Projection and Presentation Equipment Three large projection screens are located in the front of the room to provide multiple views of the same content or views of different content on each screen One projection screen also operates as a digital whiteboard giving one the ability to use a digital pen to markup documents and save them electronically A podium is also located in front of the room with an integrated desktop computer and video audio network and power connections for a notebook computer An LCD monitor directed at the podium is ceiling mounted for use as a feedback monitor by the presenter Teleconferencing and Webcasting Equipment Multimedia presentations can be made and broadcast to remote sites us
77. om the null point Noncontact electromagnetic coupling of the rotor provides infinite resolution thus enabling absolute measurements to a fraction of a degree Although capable of continuous rotation most RVDTs are calibrated over a range of 30 degrees with nominal nonlinearity of less than 0 25 of full scale FS SEESL Lab Manual Page 68 Extended range operation up to a maximum of 90 degrees is possible with compromised linearity R30D The R30D RVDT is a DC operated noncontacting rotary transducer Integrated signal conditioning enables the R30D to operate from a bipolar 15 VDC source with a high level DC output that is proportional to the full range of the device Calibrated for operation to 30 degrees the R30D provides a constant scale factor of 125 mVDC degree Nonlinearity error of less than 0 25 FS is achieved while maintaining superior thermal performance over 18 C to 75 C 3 7 1 2 Loading Load Cells Due to the fact that many of the test apparatuses are specifically developed for single experiments in house custom built load cells are often used The geometric layout of a typical load cell is shown in Figure 11 They are fabricated from a thick wall cylindrical steel tube The turned down wall thickness height and radius are determined based on the expected maximum stresses in the load cells during testing Figure 3 7 1 2 1 Geometric Layout of Typical Load Cell The attachment plates ensure a uniform stress dis
78. omplished by using displacement transducers of suitable range mounted parallel to or directly on the test specimen Figure 3 5 2 5 1 Tinius Olsen Universal Testing Machine 3 6 Other Testing Systems 3 6 1 Geotechnical Laminar Box 3 6 1 1 Geometry The UB Full scale prototype 1 g soil and soil structure interaction testing facility consists of a 2 D modular laminar box Module A1 2 75x5x6 2m internal dimensions The 2 D laminar box is made of 24 laminates separated and supported by ball bearings facilitating 2 D motions including ability to simulate sloping ground subjected to large deformations The box can simulate boundary stresses closely to that of a free ground The laminar box can also be reconfigured into two other configurations or modules module B1 two boxes 2 75x2 5x3 1m each or module B2 2 75x2 5x6 2m or at a reduced height The box can allow up to 15 shear strain in general larger deformations for selected cases of loadings and large permanent deformations on a SEESL Lab Manual Page 62 case by case basis subject to safety and other limitations Figures 3 6 1 1 1 3 present schematic diagrams of the laminar box modules Figure 3 6 1 1 4 shows a picture of the laminar box Shaking Base Shaking Base a Module B1 2 75 2 5x3 1 m b Module B2 2 75x 2 5x6 2 m c Module A1 2 75x5x6 2m d 2 D Bearing e Module A2 2 75x5x3 2 m not shown Figure 3 6 1 1 1 2D Laminar Box Modules at SEESL R
79. on EOS 10D and 20D for still image photography of the experiments SEESL Lab Table 16 10D and 20D Specifications EOS 20D EOS 10D 22 5 x 15 0mm CMOS w RGBG 22 7 x 15 1mm CMOS w RGBG Sensor Type filter Manual filter Page 74 EOS 20D EOS 10D Sensor Resolution total 8 8 mega pixels 6 5 mega pixels Sensor Resolution effective 8 25 mega pixels 6 3 mega pixels Lens Compatibility EF and EF S EF only mage Processor DIGIC 11 DIGIC Connectivity USB 2 0 USB 1 1 Flash Metering E TTL Il E TTL Canon Figure 3 7 1 6 1 20D and 10D side by side Figure 3 7 1 6 2 20D and 10D back to back top view 3 7 2 Conditioners Listed below are the available signal conditioning channels charge amplifiers and power supplies Table 8 presents a summary of the available equipment 90 channels of Measurement Group 2300 DC Series signal conditioning which can be used with full half and quarter bridge configurations This signal conditioner allows the use of either 120 or 350 ohm strain gages in a quarter bridge configuration SEESL Lab Manual Page 75 and the amplification can be set in the range of 1 to 11000 The excitation voltage can be easily adjusted using a front panel control in the range of 0 7 to 15 0 volts 24 channels of Measurement Group 2100 DC series signal conditioning which can be used with full half and quarter bridge configurations This signal conditioner allows the use of either 120 or 350 ohm strain g
80. onal fees at non NEES rates for the exceeding period applied to all researchers The agreement will include assurances that such fees will be paid to SEESL In case of major slip in schedule the work may be indefinitely postponed and a new schedule will have to be negotiated jointly with NEES Inc and the Site Operations Manager Business Calendar Hours The SEESL laboratory follows the official schedule of the University at Buffalo including its holiday schedule The laboratory is open 5 days a week between 8 00 am to 4 30 pm Work after hours or weekends might be possible in special cases with prior approval of the Site Operation Manager Special safety restrictions and requirements will apply to such work SEESL Lab Manual Page 101 5 3 1 Current Schedule For the current schedule please visit scheduling portion of SEESL nees buffalo website 6 Past experiments 6 1 Seismic Resistance of Reinforced Concrete Frame Structures Designed Only for Gravity Loads 6 2 NCEER 92 0027 December 1992 6 3 Seismic Qualification For Coupling Capacitor Voltage Transformer 6 4 Westinghouse Electric Corp March 1989 6 5 Qualification Testing for Transportation Container 6 6 Erie Products Buffalo NY 6 7 Testing of 7 Story Isolated Building Model 6 8 NCEER 94 0007 1994 6 9 Experimental Study of Active Control of MDOF Structures Under Seismic Excitations 6 10 NCEER 88 0025 1988 6 11 Experimental and Analytical Investig
81. payloads larger than nominal Table 2 Performance data of five degrees of freedom shake tables Table size 3 66 meter x 3 66 meter Maximum specimen 50 ton maximum 20 ton mass nominal SEESL Lab Manual Page 35 Maximum Overturning Moment Maximum Off Center 46 ton meter 15 ton meter Loading moment Frequency of operation 0 1 50 Hz Nominal Performance X axis Z axis Stroke 0 150m 0 075m Velocity 762 mm sec 500 mm sec 41 15 4 2 30 g w 20 ton specimen Acceleration 3 1 2 3 Drawings Figure 3 1 2 3 1 represents a perspective view of the five degrees of freedom shake table and foundation Figure 3 1 2 3 2 presents a top view of the testing platform of the five degrees of freedom shake table Figure 3 1 2 3 3 presents a photograph of the five degrees of freedom shake table with a test specimen installed on it Figure 3 1 2 3 1 Five degrees of freedom shake table and foundation SEESL Lab Manual Page 36 a L E m a Ma ane a Lu ee See TN 6 Pri ag dM Figure 3 1 2 3 2 Top view of testing platform of five degrees of freedom shake table Figure 3 1 2 3 3 Photograph of five degrees of freedom shake table with specimen 3 1 3 Single degree of freedom shake table The SEESL also hosts a smal
82. pecimens It has a 50 kip 223 vertical load capacity but expandable if a higher capacity load cell is used 6 in 150mm horizontal displacement capacity 2 degrees rotational SEESL Lab Manual Page 9 Capacity and peak speed of over 20 in sec 0 5m sec Figure 2 1 1 7 3 presents a view of the machine in the testing of an XY FPS bearing in combined tension and high speed shear Figure 2 1 1 7 3 Testing of a Bearing in Small Bearing Testing Machine 2 1 1 8 Control room An office is located in the southwest corner of the laboratory which houses the computer network control center for the seismic simulator as well as office space A storage room is also located in this vicinity which stores a majority of the data acquisition equipment Figure 2 1 1 8 1 Control Room in Testing Areal SEESL Lab Manual Page 10 2 1 1 9 Equipment The Test Area 1 of the laboratories is supplied with 2 MTS Hydraulic Power Supplies Each of the pumps 506 81 model consists of 2 discrete hydraulic pumps with individual flow rates of 70 gpm for a total of 280 gom The pumps can be operated individually or in any combination to achieve the required flow rate The hydraulic supply manifolds is available at several stations throughout the laboratory Also available are six static actuators four Parker and two Miller and eight MTS dynamic actuators 2 1 2 Testing area 2 Expansion Lab SPEC TY AND
83. pressure and 220 mm return line with 2 inch drain lines The reservoirs of the HPS units are connected together with large diameter piping to provide a common reservoir from which all 8 pumps on the 4 HPS units can draw oil The seismic piping system runs along the length of the shake table trench This piping is sized to allow both the seismic table and structural actuators to run simultaneously for hybrid testing applications with table mounted specimens coupled with the strong wall at the east end of the trench Hydraulic outlets with manual valves are located along the trench for positioning of the movable tables offering maximum flexibility Outlets are also located along the strong wall for connecting the Hydraulic Service Manifolds for the high flow structural actuators Flexible hoses are used to connect the table system and the structural actuators to the main hard line distribution outlets Four hydraulic outlet stations are located along the table trench for connection of hoses Two stations are used to connect to the moveable tables at any one time and any free stations can be used to allow connection of structural actuators to the strong floor along the north side of the floor for certain configurations By design one trench distribution manifold station will allow one table to be positioned to any one of four locations without breaking hose connections This helps simplify repositioning of the table system The main branch line running f
84. projects Careful planning and scheduling is required of 1 Facilities equipment and services available to all including NEES researchers for a fee consist a Accelerometers total of 63 displacement transducers total of 70 with capacities ranging from 100 mm to 300 mm and load cells total of 34 with 5 multi component cells with 200kN axial load capacity and 90kN shear load capacity Several instruments will be free of charge for NEES researchers as indicated in the website LAB MANUAL b A third 5 degree of freedom earthquake simulator with a maximum payload of 50 tons with performance capabilities similar to the simulators described on page 1 above c A small isolation bearing testing machine with 600 kN vertical load capacity 150 mm stroke and 0 4 m sec velocity d A large isolation bearing testing machine with 7000 kN axial load capacity 125mm stroke and 25 m sec velocity e Ten hydraulic actuators with 10 to 1000 kN load capacity 50 to 300mm stroke maximum velocity of 1 75 m sec SEESL Lab Manual Page 96 f Manifolds controllers and all equipment needed for the control of the actuators in item above g Two portable data acquisition systems each with a capacity of 12 channels 1 X Y recorders frequency analyzers portable measuring devices oscilloscopes digital multimeters borescopes thickness measuring devices roughness measuring instruments etc i A 30 m environment
85. purchased with project funds lighting equipment and associated cabling may be checked out of the Equipment Room for the period of time identified in the work plan schedule Calibration of this equipment must be done by the NEES researchers as needed SEESL Staff will remove and return all reusable NEES and Non NEES instrumentation lighting and associated cabling Video and still image cameras and associated equipment including robotic arms are to be installed only by SEESL laboratory personnel SEESL staff will also remove and return all cameras and associated equipment However video or still image cameras can be checked out of the Equipment Room on a daily basis during operating hours for short term use g Access to the SEESL Controllers For safety reasons only SEESL staff will be allowed to operate the Shake Tables controllers and the STS controllers NEES researchers may have access to the other SEESL controllers for various actuators see list in the LAB MANUAL after proper training by lab personnel and with their daily approval NEES Researchers will have access to the Hybrid Testing System after proper training by the lab personnel with assistance of the Lab Technical Staff h IT Access SEESL Lab Manual Page 94 e The SEESL UB NEES Laboratory is outfitted with a variety of data acquisition archiving and tele presence equipment including sensors e g load cells transducers and cameras servers appliances and cabl
86. red as the master controller with an actuator AC LVDT as the feedback device DC controllers for load and strain feedback or other AC controllers are slaved to the master controller and switching between control modes displacement force strain is accomplished with a series of push buttons and digital readouts of the controlled variables Generally speaking these controllers are dedicated to specific actuators or testing machines although they can be reconfigured with relative ease Table 9 Performance Data of Servo Controllers Servo Quantity Servovalve Equipment Controller Channels Control Modes Type s Designation Manufacturer Controlled Controlled oe Force MTS 252 24 MTs 406 5 Displacement 252 25 KOM AERES SEESL Lab Manual Page 57 Servo Quantity Servovalve Equipment Controller Channels Control Modes Type s Designation Manufacturer Controlled Controlled Force MTS 406 1 Displacement MTS 256 09 Non NEES Force Strain MTS 252 24 MTS 433 Displacement 252 25 KONDEEN a Force MTS 252 24 5 458 12 Strain Displacement 252 25 MTS 252 24 Force 252 25 MIS 458 12 Strain Displacement 256 09 256 25 Acceleration MTS 469 1 5 Velocity 2 Non NEES Displacement Acceleration MTS 469D 1 5 Velocity 256 80S NEES Displacement MTS 252 24 Force 252 25 MTS 407 5 Displacement NEES Stress 256 09 256 25 MTS 252 24 MTS Acceleration Force 252 25
87. rom the HPS piping manifold in the table trench area to the east end of the trench is sized to provide in excess of 1200 GPM pressure and 1600 GPM return average of oil flow using 150 mm pressure piping and 220 mm return piping with 2 inch drain lines Wall openings are cast into the concrete structure of the basement and the table trench through which the hard line is routed Over 700 gallons of oil volume accumulation Figure 3 4 2 2 1 is provided through four distributed accumulation bank systems These accumulators are located in the basement below the strong floor adjacent to the high flow hydraulic distribution manifolds see figure x These are engineered to operate in a horizontal manner to provide maximum accessibility for maintenance in the basement SEESL Lab Manual Page 47 PUMP zx A mam Figure 3 4 2 2 2 Hydraulic Distribution System At the end run of the main branch line a secondary piping distribution runs south below the strong floor along the strong wall to service the structural testing area This secondary branch line for structural testing also consists of 150 mm pressure piping and 220 mm return line piping with 2 inch drain lines along the length of the strong wall Line accumulation from the individual Hydraulic Service Manifolds and the basement accumulation banks supplements the flow above the 800 GPM output from the HPS units as needed Vertical risers run from the basement leve
88. sents a view of the strong floor including the layout of the tie down points 3 3 1 3 Drawings Figure 3 3 1 3 1 Strong Floor in Testing Area 1 3 3 1 4 Simulation Drawings 3 3 2 Strong Floor Test Area 2 3 3 2 1 Physical data The test floor is a reinforced concrete box girder 79 ft 24m long 39 ft 11 8 m wide The thickness of the top test floor slab is 24 in 60 cm SEESL Lab Manual Page 43 3 3 2 2 Capacity data Table 5 Strong Floor Capacity Data Allowable load per strip along NUMBERED lines based on shear strength span f kNm tonm tonm ft 1 412 54 1784 182 172 900 3 157 712 2333 238 172 900 5 4 26 1028 3370 343 172 900 Allowable load per strip along NUMBERED lines based on moment Position Max force clear span ft kN m tonm tonm ft 122 900 122 900 122 900 1020 sre strength span f kN kN do tnm t 1 239 108 1088 111 172 900 3 313 1423 1428 145 172 900 5 452 2055 205 210 172 900 Allowable concentrated load PER HOLE based on punching shear Position Max force gross span kN kN do ft 1 182 826 826 182 10 00 Allowable concentrated load PER HOLE based on moment Position Max force moment gross strength span Of kp
89. ssport Router Gbps La anh Gbps Prhemet Gps Ethemet wee eee ee ee eee ee ee ee e ee 1040700 eh 0 400 Mbps switch AMAN 101009000 104001000 10400 Wee SWC eth I et 110110 zuitch Wire Wireless PP AP Ketter Addition ke Figure 3 9 2 1 1 Ketter Hall network diagram 3 9 2 2 Wireless There are two wireless access points located around the SEESL laboratory Below is a coverage map indicating the quality of the wireless signal within the lab and surrounding areas SEESL Lab Manual Page 83 Buildin
90. st specimen so that the strain is accurately transferred from the test specimen though the adhesive and strain gauge backing to the foil itself A fundamental parameter of the strain gauge is its sensitivity to strain expressed quantitatively as the gauge factor GF Gauge factor is defined as the ratio of fractional change in electrical resistance to the fractional change in length strain ARR ARR GF E The Gauge Factor for metallic strain gauges is typically around 2 Table 14 Available strain gauges Strain Gauge Calibration Equipment Type MOSPLBO Interval Designation Uni axial strain CEA 06 gage 275 125UW 120 As Needed Non NEES SEESL Lab Manual Page 72 3 7 1 4 Video For video recording of experiments lab is equipped with three HD High Definition camcorder 12 PTZ cameras and 10 CCD cameras with integrated microphones HD camcorder is JVC DIGITAL HD CAMCORDER JY HD10U that has following features e High Definition Recording Capability o 720 30 MPEG2 480 60 MPEG2 e High Definition Playback Capability o 1080 60 o 720 60 o 480 60isn o 480 601 4 3 Standard definition Recording Playback 480 60i 4 3 Recording on Standard Mini DV Tape Lens for HD video image x10 F1 8 Optical image stabilizer system with on off switch 1 3 inch 1 18 Mega pixel progressive scan CCD Single chip 16 9 still image capture MPEG 4 clip capture with SD memory card Real time video strea
91. struction and research SEESL Lab Manual Page 25 The small portable shake table is used for instruction and demonstrations in the laboratory and in classrooms It is often transported to local schools and museums for demonstrations It is equipped with two scaled models of a seismically isolated structure and of a damped structure both built using a length scale of 16 and a time scale of 4 The portable data acquisition system features 16 channels of data acquisition and LabView data acquisition software _ Figure 2 3 3 1 Picture of MTS Axial Torsion machine 2 3 4 Electronics Packaging Laboratory Electronic Packaging Laboratory is a multi disciplinary research laboratory in the Department of Civil Structural and Environmental engineering It brings together faculty members from civil electrical mechanical and chemical engineering for interdisciplinary research The focus of the laboratory is the development of next generation microelectronics technology as well as finding new applications for their use in real world such as using MEMS sensors for earthquake instrumentation and chemical agent detection in and around civil infrastructure The laboratory has extensive material characterization facilities including a thermal chamber high g 800g vibration system and material characterization units for mechanical electrical optical and thermal property determination The laboratory also houses a sophisticated Moire interferometry
92. system More information about the laboratory can be found at the website www packaging buffalo edu E i a E Uy gear al L p Tu T 3 oa T LI i be Migs usd 5 PONE T 1 22 H i Em r i a uf 225 78 e Figure 2 3 4 1 Electronics Paboratony SEESL Lab Manual Page 26 Figure 2 3 4 2 Electronics Packaging Laboratory SEESL Lab Manual Page 27 3 Laboratory Equipment 3 1 Shake Tables Shake table A and B 6 DOF Key elements of the SEESL are the two movable six degrees of freedom shake tables which can be rapidly repositioned from directly adjacent to one another to positions up to 100 feet apart Together these tables can host specimens of up to 100 metric tons and as long as 120 feet and subject them to fully in phase or totally uncorrelated dynamic excitations eit Figure 3 1 1 Shake Table with Instrumentation Frame and specimen w o table extension Figure 3 1 2 Shake Table B w o table extension 3 1 1 1 Physical data of Shake Tables Each shake table has plan dimensions of 3 6 x 3 6 meter and is made of a welded steel construction with a weight of approximately 8 tons Each table has a painted top surface SEESL Lab Manual Page 28 A Parking Frame System consisting of a welded steel frame with electric actuators raises e
93. tended specimen demolition detailed information concerning the individual work tasks to be performed the duration of the tasks the order in which the tasks are to be performed who will perform the tasks and the resources required to perform the tasks A comprehensive schedule with milestones related to the project schedule shall be submitted with the WORK PLAN The plan should address data management and archival needs The following is an itemized list of issues that must be addressed in the WORK PLAN 1 Alist of tasks to be performed 2 Specimen and fail safe system drawings 3 Calculations for the specimen and failsafe system 4 An instrumentation plan o Atesting plan 6 List of equipment materials supplies tools and personnel to carry out the work tasks 7 Space requirements including lab and office space 8 Arigging plan including disposal of specimens after testing 9 A plan for data management and IT requirements 10 Schedule of tasks including duration and timing All experiments to be performed using the SEESL UB NEES equipment should be carefully planned to assure the safety of equipment operators and all other users of the laboratory All researchers should develop detailed plans for the tests set ups which must include provisions for fail safe of experiment components and equipment Detailed construction plans for all specimens and test fixtures designed by the visiting researchers must be provided The plans must includ
94. the amplitude across the number 2 secondary coil is less MTS Temposonic Displacement Transducer Initially a current pulse is applied to the conductor within the waveguide over its entire length There is another magnetic field generated by the permanent magnet that exists only where the magnet is located This field has a longitudinal component These two fields join vectorially to form a helical field near the magnet which in turn causes the waveguide to experience a minute torsional strain or twist only at the location of the magnet This torsional strain pulses propagates along the waveguide at the speed of sound in this material When this torsional pulse arrives at the tapes in the head it is converted into a dynamic longitudinal pulse injected into the tapes The longitudinal pulses cause the tapes to experience a momentary change in reluctance Two coils coupling these tapes mounted in the field of two bias magnets will generate a momentary electrical pulse caused by the change in reluctance in the tapes In order to extract the useful position information we measure the time between when we launch SEESL Lab Manual Page 66 the initial current pulse and the time we receive the signal from the output coils This time is a very precise function of the position of the moving magnet Figure 3 7 1 1 1 1 Temposonic 1 Dimension Drawing 3 1 1 2 Acceleration Piezoresistive Accelerometer This type of accelerometer also known as a strain
95. to undergo a simple training process in order to use the basic functions of the room Other more technical functions will require advanced training or an on site operator 4 1 1 Supported Usage Seminars Personnel Training Telepresence Data Visualization Webcasting Video Conferencing SEESL Lab Manual Page 89 Phone Conferencing Video playback DVD VCR HD Computer Computer Presentations Notebook Presentations gt NO Equipment Toshiba TLP T720U Projectors x3 80 x60 projection screens x2 77 5 Digital Whiteboard Ceiling mounted LCD feedback monitor Polycom VS4000 sony EVI D30 Camera x2 Wireless label mic x2 Wireless handheld mic x2 Retractable ceiling mounted hanging mic x5 Crestron control system Computer with DVD player VCR Visualizer Webcast computer Whiteboards 4 1 3 Capacity e 40 people with desks 70 people with no desks 4 2 Collaboration Room The Collaboration Room in Ketter Hall Room 133 is a newly renovated space designed for visiting researchers who are involved with lab projects It is equipped with 10 workstations and 2 round tables as to provide for everyday work area as well as collaboration and meeting place SEESL Lab Manual Page 90 5 ORGANIZATION 5 1 Laboratory Personnel 5 1 1 Management operations and maintenance 5 1 1 1 Organization Chart SEESL Personnel Department Chairman A Weber SEESL Lab Director PI NEES NEES Inc Site Management
96. tribution over the entire load cell and provide anchorage into the columns In the most complicated custom built load cells axial shear and moment stresses can be measured from Wheatstone bridge circuits wired according to Figure 12 Simpler compression tension load cells are also commonly built using only an axial Wheatstone bridge circuit In addition a majority of the MTS Miller and Parker Actuators were purchased with a load cell provided by the manufacturer These load cells are often used in experimentation For more detail on our 6 Five Component Load Cell in house made Load Cells please refer to this document Load Cells Drawings and Calibrations SEESL Lab Manual Page 69 Delta P Cells Delta P cells are used on many of the actuators available in the laboratories The MTS servo controllers utilize the Delta P differential pressure measured across the actuator piston as a stabilizing variable during the control of an actuator s motion Table 6 lists the different available load measuring devices Table 13 Available Load Measuring Devices Load Units Kips kKN Moment Units Kips Inch KN m Load Equipment Load Calibration Measuring Quantity Capacity Use Interval Designation Device Type 9 9 Five Axial 30 16 Shear 5 Table amp As Needed Non NEES Moment Testing axial x amp y shear x amp 30 3 39 y moment 12 Five Axial Component 100 Shake 2 4 GPRS iTable amp
97. tware for the 6000 DAS That includes a variety of new features Among the new features is the ability to acquire data simultaneously from multiple input sources Version 8 1 includes support for the ICS 610 and ICS 645 high speed sigma delta digitizer boards Each ICS 610 has the ability to digitize up to 32 channels of analog signals at a rate of 100 000 samples per second per channel Each ICS 645 has the ability to digitize up to 32 channels of analog signals at a rate of 2 500 000 samples per second per channel The PI660 software currently supports up to 10 of the ICS boards per system Figure 3 8 1 1 Pacific Instruments 6000 Data Acquisition Mainframe 3 8 2 Optim MegaDac This is a modular expandable system currently configured with 128 channels of sample amp hold A D input along with 8 channels of thermocouple conditioning and 8 SEESL Lab Manual Page 78 output channels for playback The Megadac is primarily used in the original Seismic laboratory for various test programs MEGADAC pipe Gane 4 nee Figure 3 8 2 1 Optim DAQ 3 8 3 Krypton K600 Portable CMM System The K600 is a new generation of high performance dynamic mobile coordinate measurement machine The system combines high accuracy a large measurement volume and full freedom of Space Probe manipulation This solid state system is extremely reliable Figure 3 8 3 1 Krypton K600 Portable CMM System SEESL Lab
98. ty at Buffalo and others SEESL hosts among other services i the UB NEES site of the George E Brown Jr Network for Earthquake Engineering Simulation which provides services to the NEES research community The UB NEES services are operated with support from NEES Inc which in turn is supported with a grant from the Division of Civil and Mechanical Systems of National Science Foundation NSF ii the MCEER structural engineering testing services part of the MCEER users network of experimental facilities ili the CSEE instructional and research testing services on earthquake engineering and structural dynamics iv the research services for other research sponsoring agencies and iv the services to industry and other investigative agencies SEESL operates equipment developed with funding from NSF and other sources The equipment developed with funding from NSF NEES initiative is provided free of charges for users performing research approved by NEES Inc defined below as NEES research SEESL operates the other equipment purchased with other funds that will be available to all researchers NEES or non NEES for a fee as posted below All SEESL equipment is available for any non NEES research for fees as indicated in the recharge fees schedule 5 2 1 Equipment commitments 5 2 3 Access rules Specific Safety and Access Requirements The complete safety requirements are listed in the Lab Safety Manual The following are excerpts from the Lab Sa
99. uator or test specimen Authorization must be obtained from the Technical Services Manager or designated test supervisor Authorized personnel attending a live experiment must be equipped with a communication device provided by the Technical Services Manager and stay in communication with the test supervisor All other project work may be interrupted at the direction of the test supervisor during testing All personnel accessing the basement spaces under the test floor and the service rooms must remain in contact with the test supervisor working above the floor c Cranes Forklifts Scissor lifts Cranes forklifts and scissor lifts may not be used unless the operator has been trained and certified by the laboratory Field Safety Officer or designated staff member Operations involving heavy and or large items requiring the use of the crane and rigging will be performed only by trained laboratory staff members When the crane is used above the hydraulic actuators controllers data acquisition systems or hydraulic systems a second staff member must be present as an observer Cranes shall not be left unattended while still attached to a specimen or test fixture Scissor lifts must be operated attended by a team of two users at times d Laboratory Equipment The use of power tools is not permitted unless authorized by full time lab personnel Do not move or modify any hydraulic actuators accumulators or hydraulic lines This is only
100. ude a detailed description of the fees and a payment schedule The agreement will be signed by the authorized representative of the visiting researchers HOME INSTITUTION and the SEESL representative a member of the Sponsored Programs Administration of the University at Buffalo Agreements An agreement will be executed between the visiting researchers HOME INSTITUTION and SEESL represented by a member of the Sponsored Programs Administration The agreement will incorporate by reference all of the rules and requirements of this document The list below summarizes the issues to be addressed by the agreement e Work Plan including the requests for equipment space personnel Safety requirements Insurance and liability Access to facilities Resources needed and budget recovery mechanism schedules The agreement can follow a template available on the website in the Site Access Plan along with additional information and or modifications will be utilized The agreement can be developed with the assistance of the Site Operations Manager and other key Lab Personnel The agreement must be signed prior to the start of actual work at SEESL UB NEES Table 1 Operations and Maintenance Recharge Fees for SEESL Operations and Maintenance Recharge Fees for SEESL OVERHEAD SHOULD BE ADDED TO THE ABOVE FEES AT THE OFFICIAL UNIVERSITY AT BUFFALO RATES CURRENT OVERHEAD RATES October1 2004 Research Fees Research Research NE
101. w Rate available in increments of 70 gpm 265 Ipm Flow Rate available in increments of 90 340 Ipm 3 5 1 5 Integration options actuators controllers manifolds It is important to understand that the laboratory is not restricted to the specifications of each particular hydraulic actuator In an actual experiment a hydraulic actuator system is composed of three major components including the hydraulic cylinder servovalve and servo controller Due to the fact that the majority of the equipment used in the laboratories is manufactured by MTS Systems the components of each actuator can be interchanged Different servovalves can be used on the same hydraulic cylinder to produce low and high speed velocities This in turn may change the rating of the hydraulic actuator from static to dynamic and vice versa Moreover different servo controllers may be used depending on the desired experimental set up For example an experiment may entail applying a force to a horizontal beam and at the same time ensuring that the beam is kept horizontal This would require an initial actuator to apply force to the system as well as a second actuator to ensure that the position of the beam is correct Different servo controllers can be used that will allow the system to obtain actual feedback from the two actuators so that any necessary corrections can be made immediately Refer to Table 2 for a complete list of the available servo controllers 3 5 2
102. wo sets of hand and check valves on the testing floor level The vertical risers consist of 2 inch SST piping pressure and return to each distribution manifold SEESL Lab Manual Page 49 When considered as a single system the hard line runs and outlet stations in the table trench and the hard line runs and manifolds along the strong wall and south strong floor allow hydraulic power to be distributed to three sides of the strong floor area This distribution scheme allows hydraulic power coverage over the majority of the strong floor area 3 4 2 3 Service manifolds ports Three high flow 800gpm Hydraulic Service Manifolds with additional accumulation are typically located near the lab reaction wall to provide full flow capacity to the high speed structural actuators For structural testing applications these Hydraulic Service Manifolds are used for on off control with 40 gallons each of pressure and return accumulator banks These service manifolds each support a single actuator assembly with an 800 GPM servo valve These Hydraulic Service Manifolds can be positioned throughout the testing Laboratory with high speed testing typically performed at the lab reaction wall where the distribution piping and accumulator systems will maximize the flow capabilities They can also be positioned at any free station located at the seismic table trench area if needed Figure 3 4 2 3 1 MTS 800 GPM Hydraulic Service Manifold Each tabl

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