Concrete (PowerPoint presentation, 15 MB)
Transcript of Concrete (PowerPoint presentation, 15 MB)
![Page 1: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/1.jpg)
Rigid Pavement
ConcreteConcrete
![Page 2: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/2.jpg)
Rigid Pavement
Transverse CrackingTransverse Cracking
![Page 3: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/3.jpg)
Rigid Pavement
Transverse CrackingTransverse Cracking
Causes:Causes:Slab longer Slab longer than 15’than 15’
Slab CurlSlab CurlCuringCuring
![Page 4: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/4.jpg)
Rigid Pavement
Transverse CrackingTransverse Cracking
Causes:Causes:Slab longer Slab longer than 15’than 15’
Slab CurlSlab CurlCuringCuring
![Page 5: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/5.jpg)
Rigid Pavement
Transverse CrackingTransverse Cracking
Causes:Causes:Slab longer Slab longer than 15’than 15’
Slab CurlSlab CurlCuringCuring
![Page 6: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/6.jpg)
Rigid Pavement
Transverse CrackingTransverse Cracking
Cures:Cures:Crack Crack SealingSealing
Full-depth Full-depth rigid repairrigid repair
Dowel bar Dowel bar retrofitretrofit
![Page 7: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/7.jpg)
Rigid Pavement
Longitudinal CrackingLongitudinal Cracking
![Page 8: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/8.jpg)
Rigid Pavement
Longitudinal Cracking Longitudinal Cracking
Causes:Causes:Waiting Waiting too long too long to cut to cut center center jointjoint
![Page 9: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/9.jpg)
Rigid Pavement
Longitudinal Cracking Longitudinal Cracking
Causes:Causes:Waiting too Waiting too long to cut long to cut center jointcenter joint
Subsoil Subsoil settlementsettlement
![Page 10: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/10.jpg)
Rigid Pavement
Longitudinal CrackingLongitudinal Cracking
Causes:Causes:Waiting too Waiting too long to cut long to cut center jointcenter joint
Subsoil Subsoil settlementsettlement
![Page 11: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/11.jpg)
Rigid Pavement
Longitudinal CrackingLongitudinal Cracking
Causes:Causes:Waiting too Waiting too long to cut long to cut center jointcenter joint
Subsoil Subsoil settlementsettlement
Meander Meander crackscracks
![Page 12: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/12.jpg)
Rigid Pavement
Longitudinal CrackingLongitudinal Cracking
CuresCuresJoint SealingJoint SealingFull Depth Full Depth replacementreplacement
Subsurface Subsurface stabilizationstabilization
![Page 13: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/13.jpg)
Rigid Pavement
PumpingPumping
![Page 14: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/14.jpg)
Rigid Pavement
PumpingPumping
Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer
LoadingLoading
![Page 15: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/15.jpg)
Rigid Pavement
PumpingPumping
Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer
LoadingLoading
![Page 16: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/16.jpg)
Rigid Pavement
PumpingPumping
Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer
LoadingLoading
![Page 17: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/17.jpg)
Rigid Pavement
PumpingPumping
CuresCuresUnder Under sealingsealing
Dowel bar Dowel bar retrofitretrofit
Full depth Full depth rigid repairrigid repair
Concrete Concrete pavement pavement grindinggrinding
![Page 18: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/18.jpg)
Rigid Pavement
FaultingFaulting
![Page 19: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/19.jpg)
Rigid Pavement
FaultingFaulting
Causes:Causes:End-result of End-result of pumpingpumping
![Page 20: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/20.jpg)
Rigid Pavement
FaultingFaulting
Causes:Causes:End-result of End-result of pumpingpumping
Eroded Eroded subsoilsubsoil
![Page 21: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/21.jpg)
Rigid Pavement
FaultingFaulting
Causes:Causes:End-result of End-result of pumpingpumping
Eroded Eroded subsoilsubsoil
![Page 22: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/22.jpg)
Rigid Pavement
FaultingFaulting
Cures:Cures:Full-depth Full-depth rigid repairrigid repair
UndersealingUndersealingDowel bar Dowel bar retrofitretrofit
GrindingGrinding
![Page 23: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/23.jpg)
Rigid Pavement
Transverse Joint SpallingTransverse Joint Spalling
![Page 24: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/24.jpg)
Rigid Pavement
Transverse Joint SpallingTransverse Joint Spalling
Causes:Causes:Improper Improper dowel dowel alignmentalignment
![Page 25: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/25.jpg)
Rigid Pavement
Transverse Joint SpallingTransverse Joint Spalling
Causes:Causes:Improper Improper dowel dowel alignmentalignment
Lack of joint Lack of joint sealseal
![Page 26: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/26.jpg)
Rigid Pavement
Transverse Joint SpallingTransverse Joint Spalling
Causes:Causes:Improper Improper dowel dowel alignmentalignment
Lack of joint Lack of joint sealseal
IncompressibIncompressibles in jointles in joint
![Page 27: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/27.jpg)
Rigid Pavement
Transverse Joint SpallingTransverse Joint Spalling
Cures:Cures:Crack & Joint Crack & Joint SealSeal
Bonded Bonded PatchingPatching
Full-depth Full-depth patchingpatching
![Page 28: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/28.jpg)
Rigid Pavement
Wear & PolishingWear & Polishing
![Page 29: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/29.jpg)
Rigid Pavement
Wear & PolishingWear & Polishing
Causes:Causes:Traffic wears Traffic wears off surface off surface aggregateaggregate
![Page 30: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/30.jpg)
Rigid Pavement
Wear & PolishingWear & Polishing
Cures:Cures:GrindingGrindingAsphalt Asphalt OverlayOverlay
![Page 31: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/31.jpg)
Rigid Pavement
ScalingScaling
![Page 32: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/32.jpg)
Rigid Pavement
ScalingScaling
Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete
![Page 33: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/33.jpg)
Rigid Pavement
ScalingScaling
Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete
De-icing De-icing chemicalschemicals
![Page 34: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/34.jpg)
Rigid Pavement
ScalingScaling
Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete
De-icing De-icing chemicalschemicals
Improper Improper finishing finishing techniquetechnique
![Page 35: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/35.jpg)
Rigid Pavement
ScalingScaling
Cures:Cures:GrindingGrindingAsphalt Asphalt overlayoverlay
Bonded Bonded resurfacingresurfacing
Partial depth Partial depth patchpatch
![Page 36: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/36.jpg)
Rigid Pavement
Shallow ReinforcingShallow Reinforcing
![Page 37: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/37.jpg)
Rigid Pavement
Shallow ReinforcingShallow Reinforcing
Cause:Cause:Reinforcing Reinforcing Steel too Steel too close to close to surfacesurface
![Page 38: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/38.jpg)
Rigid Pavement
Shallow ReinforcingShallow Reinforcing
Cause:Cause:Reinforcing Reinforcing Steel too Steel too close to close to surfacesurface
![Page 39: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/39.jpg)
Rigid Pavement
Shallow ReinforcingShallow Reinforcing
Cure:Cure:Asphalt Asphalt overlay or overlay or patchpatch
Replacing Replacing steel & steel & partial or full partial or full depth repairdepth repair
![Page 40: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/40.jpg)
Rigid Pavement
D-CrackingD-Cracking
![Page 41: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/41.jpg)
Rigid Pavement
D-CrackingD-Cracking
Causes:Causes:Poor quality Poor quality aggregateaggregate
![Page 42: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/42.jpg)
Rigid Pavement
D-CrackingD-Cracking
Causes:Causes:Poor quality Poor quality aggregateaggregate
Freeze/thaw Freeze/thaw cyclecycle
![Page 43: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/43.jpg)
Rigid Pavement
D-CrackingD-Cracking
Cures:Cures:Temporary:Temporary:
Partial Partial depth depth asphalt asphalt patchpatch
Permanent:Permanent:Full-depth Full-depth repairrepair
![Page 44: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/44.jpg)
Rigid Pavement
Corner CrackingCorner Cracking
![Page 45: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/45.jpg)
Rigid Pavement
Corner CrackingCorner Cracking
Causes:Causes:Insufficient Insufficient soil supportsoil support
![Page 46: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/46.jpg)
Rigid Pavement
Corner CrackingCorner Cracking
Causes:Causes:Insufficient Insufficient soil supportsoil support
Temperature Temperature related slab related slab movementmovement
![Page 47: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/47.jpg)
Rigid Pavement
Corner CrackingCorner Cracking
Cures:Cures:Partial or full-Partial or full-depth patchdepth patch
Replace slab Replace slab Stabilize Stabilize subsurfacesubsurface
![Page 48: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/48.jpg)
Rigid Pavement
BlowupsBlowups
![Page 49: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/49.jpg)
Rigid Pavement
BlowupsBlowups
Causes:Causes:Expansion of Expansion of concreteconcrete
![Page 50: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/50.jpg)
Rigid Pavement
BlowupsBlowups
Causes:Causes:Expansion of Expansion of concreteconcrete
Poorly sealed Poorly sealed jointsjoints
![Page 51: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/51.jpg)
Rigid Pavement
BlowupsBlowups
Causes:Causes:Expansion of Expansion of concreteconcrete
Poorly sealed Poorly sealed jointsjoints
Hot weatherHot weather
![Page 52: Concrete (PowerPoint presentation, 15 MB)](https://reader034.fdocuments.net/reader034/viewer/2022050915/588740441a28ab626d8bef07/html5/thumbnails/52.jpg)
Rigid Pavement
BlowupsBlowups
Cures:Cures:Pressure Pressure relief joints relief joints to preventto prevent
Patch or Patch or reconstructioreconstruction after n after occurrenceoccurrence