Rigid Pavement Concrete. Transverse Cracking Rigid Pavement Transverse Cracking Causes: Slab longer...

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Transcript of Rigid Pavement Concrete. Transverse Cracking Rigid Pavement Transverse Cracking Causes: Slab longer...

Rigid PavementRigid Pavement

ConcreteConcrete

Rigid PavementRigid Pavement

Transverse CrackingTransverse Cracking

Rigid PavementRigid Pavement

Transverse CrackingTransverse Cracking

Causes:Causes:Slab longer Slab longer than 15’than 15’

Slab CurlSlab Curl

CuringCuring

Rigid PavementRigid Pavement

Transverse CrackingTransverse Cracking

Causes:Causes:Slab longer Slab longer than 15’than 15’

Slab CurlSlab Curl

CuringCuring

Rigid PavementRigid Pavement

Transverse CrackingTransverse Cracking

Causes:Causes:Slab longer Slab longer than 15’than 15’

Slab CurlSlab Curl

CuringCuring

Rigid PavementRigid Pavement

Transverse CrackingTransverse Cracking

Cures:Cures:Crack Crack SealingSealing

Full-depth Full-depth rigid repairrigid repair

Dowel bar Dowel bar retrofitretrofit

Rigid PavementRigid Pavement

Longitudinal CrackingLongitudinal Cracking

Rigid PavementRigid Pavement

Longitudinal Cracking Longitudinal Cracking

Causes:Causes:

Waiting Waiting too long too long to cut to cut center center jointjoint

Rigid PavementRigid Pavement

Longitudinal Cracking Longitudinal Cracking

Causes:Causes:Waiting too Waiting too long to cut long to cut center jointcenter joint

Subsoil Subsoil settlementsettlement

Rigid PavementRigid Pavement

Longitudinal CrackingLongitudinal Cracking

Causes:Causes:Waiting too Waiting too long to cut long to cut center jointcenter joint

Subsoil Subsoil settlementsettlement

Rigid PavementRigid 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

Rigid PavementRigid Pavement

Longitudinal CrackingLongitudinal Cracking

CuresCuresJoint SealingJoint SealingFull Depth Full Depth replacementreplacement

Subsurface Subsurface stabilizationstabilization

Rigid PavementRigid Pavement

PumpingPumping

Rigid PavementRigid Pavement

PumpingPumping

Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer

LoadingLoading

Rigid PavementRigid Pavement

PumpingPumping

Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer

LoadingLoading

Rigid PavementRigid Pavement

PumpingPumping

Causes:Causes:WaterWaterFinesFinesLack of load Lack of load transfertransfer

LoadingLoading

Rigid PavementRigid Pavement

PumpingPumping

CuresCuresUnder Under sealingsealing

Dowel bar Dowel bar retrofitretrofit

Full depth Full depth rigid repairrigid repair

Concrete Concrete pavement pavement grindinggrinding

Rigid PavementRigid Pavement

FaultingFaulting

Rigid PavementRigid Pavement

FaultingFaulting

Causes:Causes:End-result of End-result of pumpingpumping

Rigid PavementRigid Pavement

FaultingFaulting

Causes:Causes:End-result of End-result of pumpingpumping

Eroded Eroded subsoilsubsoil

Rigid PavementRigid Pavement

FaultingFaulting

Causes:Causes:End-result of End-result of pumpingpumping

Eroded Eroded subsoilsubsoil

Rigid PavementRigid Pavement

FaultingFaulting

Cures:Cures:Full-depth Full-depth rigid repairrigid repair

UndersealingUndersealingDowel bar Dowel bar retrofitretrofit

GrindingGrinding

Rigid PavementRigid Pavement

Transverse Joint SpallingTransverse Joint Spalling

Rigid PavementRigid Pavement

Transverse Joint SpallingTransverse Joint Spalling

Causes:Causes:Improper Improper dowel dowel alignmentalignment

Rigid PavementRigid Pavement

Transverse Joint SpallingTransverse Joint Spalling

Causes:Causes:Improper Improper dowel dowel alignmentalignment

Lack of joint Lack of joint sealseal

Rigid PavementRigid 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

Rigid PavementRigid Pavement

Transverse Joint SpallingTransverse Joint Spalling

Cures:Cures:Crack & Joint Crack & Joint SealSeal

Bonded Bonded PatchingPatching

Full-depth Full-depth patchingpatching

Rigid PavementRigid Pavement

Wear & PolishingWear & Polishing

Rigid PavementRigid Pavement

Wear & PolishingWear & Polishing

Causes:Causes:Traffic wears Traffic wears off surface off surface aggregateaggregate

Rigid PavementRigid Pavement

Wear & PolishingWear & Polishing

Cures:Cures:GrindingGrindingAsphalt Asphalt OverlayOverlay

Rigid PavementRigid Pavement

ScalingScaling

Rigid PavementRigid Pavement

ScalingScaling

Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete

Rigid PavementRigid Pavement

ScalingScaling

Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete

De-icing De-icing chemicalschemicals

Rigid PavementRigid Pavement

ScalingScaling

Causes:Causes:Non-air-Non-air-entrained entrained concreteconcrete

De-icing De-icing chemicalschemicals

Improper Improper finishing finishing techniquetechnique

Rigid PavementRigid Pavement

ScalingScaling

Cures:Cures:GrindingGrindingAsphalt Asphalt overlayoverlay

Bonded Bonded resurfacingresurfacing

Partial depth Partial depth patchpatch

Rigid PavementRigid Pavement

Shallow ReinforcingShallow Reinforcing

Rigid PavementRigid Pavement

Shallow ReinforcingShallow Reinforcing

Cause:Cause:Reinforcing Reinforcing Steel too Steel too close to close to surfacesurface

Rigid PavementRigid Pavement

Shallow ReinforcingShallow Reinforcing

Cause:Cause:Reinforcing Reinforcing Steel too Steel too close to close to surfacesurface

Rigid PavementRigid 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

Rigid PavementRigid Pavement

D-CrackingD-Cracking

Rigid PavementRigid Pavement

D-CrackingD-Cracking

Causes:Causes:Poor quality Poor quality aggregateaggregate

Rigid PavementRigid Pavement

D-CrackingD-Cracking

Causes:Causes:Poor quality Poor quality aggregateaggregate

Freeze/thaw Freeze/thaw cyclecycle

Rigid PavementRigid Pavement

D-CrackingD-Cracking

Cures:Cures:Temporary:Temporary:

Partial Partial depth depth asphalt asphalt patchpatch

Permanent:Permanent:Full-depth Full-depth repairrepair

Rigid PavementRigid Pavement

Corner CrackingCorner Cracking

Rigid PavementRigid Pavement

Corner CrackingCorner Cracking

Causes:Causes:Insufficient Insufficient soil supportsoil support

Rigid PavementRigid Pavement

Corner CrackingCorner Cracking

Causes:Causes:Insufficient Insufficient soil supportsoil support

Temperature Temperature related slab related slab movementmovement

Rigid PavementRigid Pavement

Corner CrackingCorner Cracking

Cures:Cures:Partial or full-Partial or full-depth patchdepth patch

Replace slab Replace slab Stabilize Stabilize subsurfacesubsurface

Rigid PavementRigid Pavement

BlowupsBlowups

Rigid PavementRigid Pavement

BlowupsBlowups

Causes:Causes:Expansion of Expansion of concreteconcrete

Rigid PavementRigid Pavement

BlowupsBlowups

Causes:Causes:Expansion of Expansion of concreteconcrete

Poorly sealed Poorly sealed jointsjoints

Rigid PavementRigid Pavement

BlowupsBlowups

Causes:Causes:Expansion of Expansion of concreteconcrete

Poorly sealed Poorly sealed jointsjoints

Hot weatherHot weather

Rigid PavementRigid Pavement

BlowupsBlowups

Cures:Cures:Pressure Pressure relief joints relief joints to preventto prevent

Patch or Patch or reconstructioreconstruction after n after occurrenceoccurrence