BridgeScan
Contents
1. BridgeScan is a complete affordable GPR system that provides an effective tool for quickly determining the condition of aging bridge decks parking structures balconies and other concrete structures The system is also used to obtain accurate concrete cover depth on new structures With BridgeScan repair costs can be estimated correctly saving time and money e Bridge deck condition assessment e Concrete cover depth on new structures e Concrete inspection locate metallic and non metallic targets in walls floors e Measure slab thickness e Void detection and location e Inspection of other reinforced concrete structures Identify areas of deterioration inside reinforced concrete within bridge decks parking structures balconies etc Obtain accurate concrete cover depth and overlay thickness Convenient self contained cart based design Integration with GPS Application specific software for bridge deck condition assessments Flexible system for concrete inspection and utility mapping applications Save money Estimate structural condition accurately Two year warranty Aw SS im N 4 4 A www geophysical com Bridgescan solutions The American Society of Civil Engineers reported that as of 2009 26 of the nation s bridges remain structurally deficient or functionally obsolete ASCE 2009 Traditional bridge deck inspection methods like hammer soundings and chain dragging2. 1 Naaa A TaY M e Rebar Intrepreted results eee Deck surface Measure Bridge Deck Thickness Ground penetrating radar provides a nondestructive technique for transportation professionals in evaluating bridge deck thickness GPR can obtain reliable thickness measurements in minutes and eliminate the need to core ii Eain AA EEEREN Lld amen y ah Hi Walidi IL TLT NHA HAAL TLE piii TULLE LaLa am ie hdl uhh i f Walai ATETA thai 3 i ppt s EATEN ans ry le silat dibidas ade eal assy aa Aelflection from bottom of bridge z ELSI ELE BridgeScan Procedure 1 Data Collection Collect the bridge data using a grid pattern and single lane closure Pauly EMPL ODT LCS P a al j pi m Io S Oa i Paros Selah AAAA ANANA i hub yn AAAY pie FNAME ANA AAARAL aa Ll Pi eh WA ravi NAN Rebar AAAA 4 at i Wy i habi Brid AE IY AABN Be Boram of AAN Mah FAKLEN iJ asphalt layer ia E i S z a Raw data asphalt overlaid bridge deck 2 Data Processing Interactive Interpretation Mode Post process the GPR bridge data in specially designed software to account for bridge skew angle np p E p p p E E E E o E pa GEDEG D nm fe Fi G a Pal fh ai ri i P a Di mi _ Pal fh i ah tot Pas T w Per P PF T Tt More deterioration Less deterioration 3D BridgeScan data displayed with DPlot software Bridgescan Flexibility The BridgeScan flexibility allows you to convert the
3. dular design this program allows users to select the and easy to use environment for all levels of processing functions that best suit their needs experience Map Bridge Deck Deterioration with RADAN s Bridge Assessment Module RADAN s Bridge Assessment Module provides powerful post processing features for GSSI s BridgeScan data Features include Automatic File Management e By design combines all 2D files into a single 3D file for easy interpretation Ability to Coordinate Data e Synchronizes all files based on location of bridge joint This makes initial data collection quick and adds increased accuracy in survey area Easy Data Processing e Take some of the human error out of the equation with semi automatic mapping of rebar locations and depths on simple concrete structures e Spreadsheet view of rebar data oo software Integration TEA EE EE EPE A ai ine A a e ASCII output files for simple integration with e aaan i spreadsheets contour mapping and other BEE i AA AEA software programs i rt Ba Tome 0 AT T ai cols Piia ial ha k fo r Tee a 7 Tak ny hih FT prota a Ta aan Ee AEE tert Sete i A di 7 LL is i pet 7 a Exclusively GSSI e Software automatically accommodates and adjusts for bridge skew angle etl tee E tol i E E ee oe oe e eee et sa More deterioration Less deterioration CE 3D BridgeScan data displayed with DPlot software
4. embedded rebar post tension cables and conduits It is used on bridge decks for condition assessment and to determine concrete cover Depth Range to 18 in 0 5 m Other Antenna Solutions 2600 MHz High Resolution Antenna The 2600 MHz is an ultra high resolution antenna used to inspect concrete structures to locate embedded rebar post tension cables and conduits Depth range is to 12 inches 0 4 m 2000 MHz Palm Antenna 1600 MHz i bea ee De a Rebar PVC _ 2600 MHz Concrete slab with rebar and PVC conduit same slab for both data sets Rebar PVC The new Palm Antenna offers users the ability to reach tightly spaced areas that were previously inaccessible such as corners against walls and around obstructions The Palm Antenna is compatible with the SIR 3000 and SIR 20 control units The antenna includes a dedicated survey wheel a replaceable skid plate and removable handle to reduce antenna height if necessary The Palm Antenna weighs in at approximately one pound 2000 MHz Palm 1 bt pe fae apy woah i es hee Fey vy WV dy i Hati y anf TI j AE a a 6 spacing wire mesh in concrete Depth Range to 12 in 0 4 m w GESSI i ww www geophysical com Software Solutions Bridge Assessment RADAN Software RADAN is GSSs post processing software With its RADAN is Windows based providing a familiar mo
5. rely on a person to interpret acoustical feedback to determine good and bad areas of concrete Existing asphalt overlays must be removed prior to using these methods and results vary depending on the operator s technique and interpretation of results Assessment data normally consists of areas of the deck marked simply good or bad The application of GPR provides accurate condition assessment of bridge decks as well as other reinforced concrete structures Hundreds of bridge decks have been evaluated using GPR Bridge Deck Condition Assessments Engineers and transportation professionals need a reliable method to collect quantitative data on bridge decks GSSI s BridgeScan is designed for bridge condition assessment providing for accurate representation of the bridge data by automatically accommodating for bridge skew angle a _ i aeni tak ee ee ee ee ee T i MAMAA A Ati i laga EA TAAT E AAN Fadili iaia af jii Lant ee y i j ii Wi kiA iL A Ah dail ean n Pepe ly a CO Zone of deterioration Ss Zones of deterioration oe E 5b 5 kibi gT a S E E Concrete Cover Assessments Engineers use concrete cover information to determine if reinforcement bars are protected from environmental effects p Transportation infrastructure professionals use BridgeScan to identify areas in which the cover is non compliant CANAAN AAAS PEPER RIPE ANAAAAAANAA wal niaaa tt f
6. system no new data collection software needed Use the same control unit for multiple applications Concrete Scanning and Inspection Use ground penetrating radar to locate embedment within concrete structures prior to cutting or coring Collect quantifiable data on rebar location and areas of delamination BridgeScan System Includes e SIR 3000 control unit e 1600 MHz antenna e Survey cart with encoder wheel e 2 meter control cable e Transit case e 2 batteries and charger e AC adapter e User manual e Sunshade e Training at GSSI NH or CA Utility Locating and Mapping Construction professionals utility locators and engineers can locate the depth and position of metallic and non metallic pipes in real time using the GSSI UtilityScan GPR can enhance one s overall understanding of subsurface targets and obstructions Control Unit Specifications e Image Capacity Internal 500 2 x2 data images e External Memory Based on Compact Flash size e Internal Memory 2 GB e Display 8 4 full color 800x600 resolution e 64K colors clearly visible in sunlight e Post processing On screen e Battery Internal 3 hours 10 8 VDC e Ports RS232 Compact Flash memory USB master amp slave e Environmental Water resistant Bridge Deck Inspection Solutions 1600 MHz General Purpose Antenna The 1600 MHz is a high resolution all purpose antenna used to inspect concrete structures to locate
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