NMB SPLICE-SLEEVE SYSTEM
Contents
1. SPLICE SLEEVE NORTH AMERICA INC 2 L ROAM Mid Rise na H pou TPE aa MWER ML TAN APPLICATIONS r EN a Fr g AW al AW Paz an qe PORTA LOH ALE Ea J l i Li NP s 4 14 1 da F i dant ya a 4 ai In A P EU ti THE I Pi yi 2 SEDE W i j ig Lit no gt con X ES S ER anne e n ais LER CPR DO Nou ange LI m e Agito Ad dd Y PRINT mp st al ot a ys WON as Ea Tu Aga E ki wa gina A d ARER ai APPLICATIONS ni v N lt a ie ak A St C T gt lt c A In A VEY a ape PSE LE Title 7 a ups a ati ou py a a m a Mi sussa m sa SIA va ALL 4 eee Bridge Caisson Pile W E s y ro k L gt H a 2 Gs v t ae em Bridge Substructure moi J TRAO Z7A M 7 lala Precast Elevated Bridge Pe ese Nuclear Power Plant Intake Power Plant Turbine Tower APPLICATIONS elie s IN paon T l he i GROUTING OPERATION ACCESSORIES amp MATERIALS ko ITEM DESCRIPTION SS Mortar SS Mortar Grout Pump Manual Electric Air Operated Use as a backup in case of power Handy Pump outage gr reca p L 4 y Stopper with Indicator SWI At Grout Outlet ports Self Sealing Valve SSV Use a nozzle to fit into S2. PSI MPA ries man 370826 3 192 125 3 000 psi 100 Fy Specified Yield 60ks1 ASTM Grade 60 rebar 4 000 psi conservatively above Fy allowing for variation in cube versus sleeve curing temperatures Typically specified by EORs for removal of bracing and continued erection typical structures 6 500 psi 125 Fy 75ksi ACI Type 1 and AASHTO 9 500 psi 100 Specified Tensile A615 90 ksi 150 Fy ACI Type 2 ASTM Grade 60 615 rebar Fu 90 ksi 706 rebar Fu 80 ks1 FRESHNESS BAG LIFE OF NON METALLIC SS MORTAR Nissco SS Mortar should be stored in moderate cool and dry conditions 50 F 80 F 10 C 27 C It has a freshness bag life of one 1 year Bags have a date stamp on the top using letters for the year then month then numbers for the day FSDERDECEDDE Tafefefofelefojap po seal 23 1 Tale Jals efofele feju i x NE Day As a number from to 31 CF 25 13 06 25 June 25 2013 MIXING OF SS MORTAR gt SS Mortar is a ready to use formulation requiring only the proper amount of water which is suggested at 1 00 gal 3 8 liters per bag The maximum water is 1 03 gal 3 9 liters Do not use admixtures The field consistency should be between 6 0 minimum and 9 25 maximum Non Metallic Blue Bag WATER MIXER ME gt 1 Gallon 2 5 Minutes gt Use a full bag unit for each batch Do not use SS Mortar Grout if the package is damaged SS Morta
3. NT ITEM DESCRIPTION Water Supply Electric Power Supply aS 2 o N 2 inf s gt MN Ot n a 4 saa CAMPBELL EXTREME DUTY Cleaning Tools Equipment for saturation For sleeves and joint area For passage inspection For securing grout tubes to the sleeve ports Flashlight or Spotlight For passage and grouting inspection For passage inspection and trouble shooting For passage inspection and trouble shooting WORKING MECHANISM OF SELF SEALING VALVE j H SPLICE sleeve oi l a Inserts into PVC grout inlet tube Flap opens while pumping then closes when grouting stops preventing backflow and automatically sealing off the tube Once grout stiffens remove clean and reuse Saves time with plugs and prevents spills waste and cleanup It is recommended to start pumping slowly especially while using self sealing valve to avoid clogging which subsequently can be increased a little bit once a smooth grout flow is confirmed e WORKING MECHANISM OF STOPPER WITH INDICATOR 7K It allows air and Grout water to pass but reaches when solid grout inserted arrives it pushes plunger the plunger back against the Stopper sealing off the tube automatically Once grout stiffens remove Plunger pushed Indicator pops clean reuse back and seals out DONE Saves time catching cups amp plugs prevents spills amp cleanup C
4. ORK INSPECTION SHEET Prot Ambiew Date of Inspection Grow as Mixed CD an an 5UX O a RR i nt 1 Check and mark the position of the ports according to the drawings Inlet outlet ports do not 2 Chip out the concrete at the marked positions to find the reach the surface embedded ports 3 Blow out the ports with the air compressors or water and confirm that there is a clear passage from the inlet to outlet port ae 1 Insert a steel rod into the ports and hammer it to clear the port Due to omission of washers the inlet port is clogged with bedding mortar from the joint 2 Repeat step 3 of Item 1 For debris etc Insert a steel rod into the ports and hammer it to clear the port Inlet and or outlet port is clogged with concrete debris etc or plastic Hole For Hole seals Seals sealing caps 1 Use a hooked rod to scrape seals out of the ports 2 Repeat step 3 of Item 1 gt TROUBLE SHOOTING 1 Seal the joint with rags polyurethane mortar etc Leakage during pumping of 2 Clean the inside of the sleeve with water Preferably high grout from the joint due to pressure incomplete mortar bedding 3 Confirm a clear passage by blowing with air 1 Clean the inside with high pressure water 6 Clogging has occurred inside the sleeve such as at point marked during pumping operation 2 After confirming a clear passage by blowing with air start re grouting at about half speed
5. am of grout coming out of the nozzle stop pumping and insert the nozzle into the sleeve grout inlet Keep pumping the grout slowly until a solid flow of grout can be seen from the outlet hole Catch the overflow in a cup and seal the outlet with stopper Then withdraw the nozzle and seal the inlet hole with the stopper GROUTING OF NMB SPLICE SLEEVES WHEN THE SLEEVE IS FULL OF GROUT CORK UPPER HOLE FIRST AND THEN LOWER HOLE Kes M r A Pump grout into sleeve B Catch the overflow in a C Withdraw the nozzle though the inlet port cup and seal the outlet hole from the inlet hole and seal continuously and slowly with a rubber stopper it with a rubber stopper CHECK LIST PRIOR GROUTING TESTING INSPECTION METHOD CRITERIA Check for the Lot Number printed on the bag to confirm the bag life which should Make sure that SS Mortar did not expire the be within one year period to the date of bag life of one year grouting l l l Mak that ter is inside th Rain water seepage Visual inspection on SS Mortar ee material M the t t ith Sleeve temperature po aie te O Should be between 35 140 F 2 60 C thermometer Location amp quantity of bio fios toi Make sure Vate Caron m quantity sleeves match the specification drawings Make sure that the embedment length of Check for proper dowel embedment length dowel is as per the requirement in the User s Manual Material inspection Dowel embedm
6. ed grout Re mix grout for 30 60 seconds Use Mixed Grout for Grouting of NMB Splice Sleeves Note Dispose mixed grout in the following conditions 1 More than 30 minutes passed after the completion of the 1 mixing The total amount of mixing water exceeds 3 9 liter 1 03 gallon per 25 kg bag PREPARATION SAMPLING OF GROUT CUBE SPECIMENS Grout is poured into the mold in two equal layers each layer being tamped eight 8 times with the tamper and compacted by tapping the sides of the mold several times with a wooden hammer Remove excess grout with trowel and clean top edge of mold very carefully Cover the molds with a heavy plate and wet cloth then place the specimens undisturbed for at least 24 hours in a curing box Strip the cubes following day mark to identify on top trowel surface and cure them in lime water for 28 days or until tested COMPRESSIVE STRENGTH TESTING OF GROUT CUBE SPECIMENS gt 2 5 cm Cube compressive test will be conducted according to ASTM C109 80 Attention Place the cube on its side other than the face levelled during preparation The cube must be placed at the dead center of compressive testing machine GROUTING OF NMB SPLICE SLEEVES First saturate the pump and grout hose with water to lubricate inside Pour the mixed grout into the pump hopper and operate the pump to push out the slurry from the hose After confirming a solid stre
7. elf Sealing Nozzle Valve At Grout Inlet ports GROUT MIXING TOOLS amp petite gt Use 5 gallon 19 liters steel pail Avoid using plastic bucket Measuring Pail For measuring 1 gallon 3 785 liters of water Scale For measuring the correct weight of water use as an alternative Electric Drill gt 7 amp 500 1300 RPM ooo Mixing Bucket Portable Heater Use during winter as necessary GROUT TESTING AND CUBE SPECIMENS TOOLS amp EQUIPMENT ITEM DESCRIPTION 2 pint 0 95 liters Use for pouring mixed grout into flow cylinder and cubic molds Measuring Cup Thermometer Measure temperature of air water and materials For consistency test 13 39 x 13 39 x 0 79 340 x 340 x 20 mm Flow Table Flow Cylinder 2 dia x 4 high To measure the diameter of the puddle for consistency test Angle Adjuster For leveling the flow table as necessary To check the leveling of flow table For removing excess grout during consistency and Spatula Cement Knife gt a compressive strength tests Tamper Rubber Stick For tamping grout during compressive strength test gt Mallet Wooden RE on For tapping the mold during compressive strength test E P Hammer o A 2 Triple Brass or Steel Cube mold For assembling specimens for compressive strength test Curing Box For curing specimens for compressive strength test GROUT TESTING AND CUBE SPECIMENS TOOLS amp EQUIPME
8. ent length lt Inside sleeve Visual inspection Check the sleeve by blowing out air through the ports or check for sound by Make sure that there is a clear passage from tapping the port for confirmation of a the inlet to outlet ports clear passage Make sure that sleeve inside is clean and free from loose materials 7 Sleeve passage lt X CHECK LIST DURING amp AFTER GROUTING TESTING INSPECTION ITEM METHOD CRITERIA Ibs OS ll Mixing water Confirm as per the User s Manual AA Ne A ke ki iii lbs bag ES Mixing temperature Confirm as per the User s Manual 50 95 F 10 35 C Confirm as per the User s Manual 2 1 2 minutes Confirm as per the User s Manual Within 40 minutes Th t should fall 12 Consistency test Confirm as per the User s Manual RENAN e o ee in the range of 6 to 9 1 4 Make sure that all the sleeves were totally Mak hat th 13 Inspection at grouting Con mas per the Gaertn Manta D with SS Mortar Make sure that the Pre Grout bedding mortar does not get inside the sleeves Make sure that all the sleeves were totally Inspection at grouting Post Grout Confirm as per the User s Manual grouted from inside and solid grout comes out from the outlet port Reconfirm that all sleeves and joint areas Inspection after j j ree Confirm as per the User s Manual are completely grouted by using grouting report as a check sheet GROUTING REPORT SAMPLE REPORT OF GROUT W
9. l waste and field loss while continuously pumping large numbers of sleeves Mixing water 1 gallon Mixing time 2 1 2 minutes minimum GROUTING CONDITIONS Store SS MORTAR in a cool dry place SO F 10 C 80 F 27 C Cold Weather Heat and keep above 40 F 4 4 C inside the sleeves and after grouted Best curing temperature at 60 F 15 C Use Radian Heater Electric Blanket Hydronic Hose Hot Weather Use chilled mixing water to keep the mixed grout temp below 80 F 27 C Do not perform grouting when no shelter from rain or snow under below 40 F and or harmful vibration impacts are expected throughout curing time SS MORTAR GROUT PERFORMANCE DATA SS Mortar Grout Fresh Mortar Test Results SET TIME HR MIN WATER ourme __SETTIMEHRMIN oe BLEEDING VOLUME TEMP TEMP INITIAL AL FINAL O AL 41 F 5 C 9hr 31 min 13hr 35 min 61 4 160 mm 0 00 68 20 0 98 gal 3 7 liters 68 F 20 C 4hr 18 min 5 hr 55 min 6 5 8 170 mm 0 00 86 F 30 C 2 hr 23 min 3 hr 20 min 6 1 2 165 mm 0 00 Nonmetallic SS Mortar can be used in when the surrounding concrete and the sleeve temperature is between dal 35 F 2 C up to 140 F 60 C 7 Freezing grout before it is above 1 500 psi will deplete strength The grout itself should be mixed and pumped between 50 F 10 C and 95 F 35 C SS MORTAR GROUT PERFORMANCE DATA CURING COMPRESSIVE STRENGTH
10. of the normal operation 7 Rebar is too close to the outlet port restricting grout flow 1 Insert heavy punch into outlet grout tube and strike with sledge hammer to reduce restriction OVERVIEW VIDEO OF GROUTING PROCESS 09 Intercnange Vesiaqn buliad Froject 7 1 w o i E dm l l ai FfefabriCatea bDridGde ciement J vlay 1 2UU6 85 Bndge Construction using NMBs Please click on the link to watch the video SPLICE SLEEVE NORTH AMERICA INC 38777 W 6 Mile Road Suite 205 Livonia MI Tel 734 838 0420 Fax 734 838 0422 Over 22 million NMB Splice SleevesQ sold world wide
11. ombined with the Self Sealing Valve one person can grout MIXER PADDLES NOT RECOMMENDED NMB Paddle ACCESSORIES FOR ERECTION Coil Spring supports the Grout Washer Heavy Duty Light Duty TO PREVENT BEDDING MORTAR GETTIN G INTO THE SPLICE SLEEVE OUTLINE OF GROUTING OPERATION x e Work schedule x Assign a number to each sleeve W Procure required quantity of SS Mortar W Grout sampling and testing for quality control _ SA Grouting operation of Sleeves gt gt gt X Cleaning 4 e Record keeping GROUTING METHODS FOR NMB SPLICE SLEEVES PRE GROUTING METHOD The NMB Splice Sleeve is located at the top of the lower precast member to be spliced The grout is gravity fed into the Splice Sleeve and the upper member with projecting rebar is erected into position Pour or pump SS Mortar mixed into the wide end opening of the sleeves gt Rod with a small diameter wire to remove air in the grout Fill sleeves before placing bedding grout to prevent the grout accidentally dropped in the sleeves before JOINING CAS CONSOLE mim member NOTE remember that once filled you have 40 minutes to set the O O sos as precast Best if precast is dry fitted a ET d to check all fits before filling member SLEEVES GROUT GROUTING METHODS FOR NMB SPLICE SLEEVES POST GROUTING METHOD The NMB Splice Sleeve is located in the bo
12. r Grout has a shelf life of approximately 12 months SOME DONT S DURING MIXING OF SS MORTAR gt Do not mix by hand Do not add cement sand aggregate or admixtures gt Do not add more water than specified nor re mix gt Do not use partial bag Use full bag each time gt Do not use 1f the bag is damaged Do not use a grout other than SS Mortar Do not use SS Mortar beyond one year shelf life gt Do not leave the mixed grout in the pump FLOW CONSISTENCY MEASUREMENT OF SS MORTAR Wipe the Flow Table surface with wet rag o d l d A E Pour SS Mortar into Flow Cylinder Level the surface at the rim with cement knife gt Lift Cylinder slowly vertically Measure the diameter in two ways The diameter is be 6 9 14 160mm 230mm 1 ae J 5 Sink E di id E e PA A m ti Hi r wj year Ba lt s De Ca ra enp a as amp 4 a voi ae _ Ha X o x ki a a gt eee E men Aa a r Kou E R 4 E os Gs ra MN MET gt je oe k a a AN 5 f W 7 ki Yi o y EE 5 aye A ki A 4 wa dr p 4 y z z COUNTER MEASURES INCASE FLOW CONSISTENCY TEST OF SS MORTAR IS NOT WITHIN RANGE SS Mortar Grout Consistency How Test Put all mixed grout back into the pail Measure 0 1 or 0 2 liter of water accurately and add to mix
13. ttom of the upper member with reinforcing bar projecting out of the top of the lower member Following the placement of the upper member grouting is achieve by low pressure pumping G STOPPER WHEN THE SLEEVE IS FULL OF GROUT 4 D CORK UPPER HOLE FIRST AND THEN LOWER HOLE TR URE mi Lapa d PREPARE DAILY WORK SCHEDULE MATERIALS ELEVATION gt a an w an a gt INSPECTION OF SLEEVES PRIOR GROUTING BLOWING OUT LOOSE MATERIALS AIR COMPRESSOR BLOW out loose matenals inside sleeves LI Water may also be used to flush out sleeves from top to bottom SS MORTAR REQUIREMENT FOR SLEEVES Splice 5 PVC Tubes Sleeve SS bonet i 15 overage us ore mae me pen e sen efem sux om as toe aa os po es m ae fen P P ua Tof ee pos oa u ia wmm uox 767 2 o Ts a Achieves If pumping grout tubes add a little more see example on chart When 214 000 psi Compressive Strength 28 day upsizing add 20 for each rebar size pane psi in less than 24 hours at 68 F REBAR Size SS Mortar Grout manufactured by Splice Sleeve Japan Ltd is a special cementicious non metallic filler grout developed for the NMB Splice Sleeve System SS Mortar Grout is packaged in 55 Ibs 25 kg moisture resistant bags An additional overage of 15 is recommended to provide for typica
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