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CRCP RehabilitationCRCP RehabilitationACPA Meeting
Richmond, VirginiaMarch 7, 2007
Richard B. Rogers, P.E. (Texas)
The Keys to Developing a Rehab The Keys to Developing a Rehab StrategyStrategy
Understanding the mechanisms causingthe distressUnderstanding the impact of the rehab strategy on pavement performance
FHWA & CRSIFHWA & CRSI
CRCP Suite of GuidesCRCP Suite of Guides
Developing a Rehab StrategyDeveloping a Rehab StrategyRecords ReviewEvaluationAnalysis
ANALYSISANALYSIS ANALYSISANALYSIS
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CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairs
Isolated RepairsIsolated Repairs
Full depth
Isolated RepairsIsolated Repairs
Full depthPartial depth
CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrinding
GrindingGrinding
Restore skid (may expose soft CA)
GrindingGrinding
Restore skid (may expose soft CA)Added smoothness
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GrindingGrinding
Restore skid (may expose soft CA)Added smoothnessReduce noise
GrindingGrinding
Restore skid (may expose soft CA)Added smoothnessReduce noiseLooks good
CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrindingStitching
Stitching Longitudinal JointsStitching Longitudinal JointsSafety
Stitching Longitudinal JointsStitching Longitudinal JointsSafetyEstablish Load Transfer
Stitching Longitudinal JointsStitching Longitudinal JointsSafetyEstablish Load TransferReduces Loss of Support
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CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrindingStitchingTied Concrete Shoulders
Tied Concrete ShouldersTied Concrete Shoulders
Increased Structural Capacity
Tied Concrete ShouldersTied Concrete Shoulders
Increased Structural CapacityProtects the Layers Under the Load
Tied Concrete ShouldersTied Concrete Shoulders
Increased Structural CapacityProtects the Layers Under the LoadDetour or Traffic Lane
CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrindingStitchingTied Concrete ShouldersBonded CRCP Overlay
Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural Capacity
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Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural CapacityAdded Steel to Hold Cracks Tight
Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural CapacityAdded Steel to Hold Cracks TightMinimum Increase in Thickness
Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural CapacityAdded Steel to Hold Cracks TightMinimum Increase in ThicknessRequirements
Effective bond to existing CRCP
Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural CapacityAdded Steel to Hold Cracks TightMinimum Increase in ThicknessRequirements
Effective bond to existing CRCPLoad transfer efficiency of at least___?
Bonded CRCP OverlayBonded CRCP Overlay
Increased Structural CapacityAdded Steel to Hold Cracks TightMinimum Increase in ThicknessRequirements
Effective bond to existing CRCPLoad transfer efficiency of at least___?Stabilize areas with loss of support
CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrindingStitchingTied Concrete ShouldersBonded CRCP OverlayUnbonded CRCP Overlay
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UnbondedUnbonded CRCP OverlayCRCP Overlay
Requires Less Repair
UnbondedUnbonded CRCP OverlayCRCP Overlay
Requires Less RepairHMA Layer Required
Bond Breaker
UnbondedUnbonded CRCP OverlayCRCP Overlay
Requires Less RepairHMA Layer Required
Bond BreakerLevel Up
UnbondedUnbonded CRCP OverlayCRCP Overlay
Requires Less RepairHMA Layer Required
Bond BreakerLevel Up> Distress Requires > Thickness
UnbondedUnbonded CRCP OverlayCRCP Overlay
Requires Less RepairHMA Layer Required
Bond BreakerLevel Up> Distress Requires > Thickness
Existing CRCP Treated as a Layer in a Composite Structure
CRCP Rehab OptionsCRCP Rehab OptionsIsolated repairsGrindingStitchingTied Concrete ShouldersBonded CRCP OverlayUnbonded CRCP OverlayThin HMA Overlay
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Interstate 664Interstate 664Interstate 664Interstate 664
Interstate 664Interstate 664NBNB 1212
Interstate 664Interstate 664NB 17NB 17
Interstate 664Interstate 664NB after 17NB after 17
Interstate 664Interstate 664NB Looking NB Looking bkbk PowhatanPowhatan
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Interstate 664Interstate 664NB near exit lane CollegeNB near exit lane College
Interstate 664Interstate 664NB Newport News 27thNB Newport News 27th
Interstate 664Interstate 664NB Port NB Port OverhdOverhd Sign5Sign5
Interstate 664Interstate 664NB Ports NB Ports OverhdOverhd SignSign
Interstate 664Interstate 664NB Ports NB Ports OverhdOverhd SignSign
Interstate 664Interstate 664NB Ports NB Ports OverhdOverhd SignSign
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Interstate 664Interstate 664NB Ports NB Ports OverhdOverhd SignSign
Interstate 664Interstate 664NB PowhatanNB Powhatan
Interstate 664Interstate 664NB NB PughsvillePughsville RdRd
Interstate 664Interstate 664NB NB PughsvillePughsville RdRd
Interstate 664Interstate 664NB under NB under PughsvillePughsville RdRd
Interstate 664Interstate 664NB under Town PtNB under Town Pt
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Interstate 664Interstate 664NB NB
Interstate 664Interstate 664SB After Powhatan OSB After Powhatan O
Interstate 664Interstate 664SB After Powhatan SB After Powhatan
Interstate 664Interstate 664SB Looking back at Powhatan21SB Looking back at Powhatan21
Interstate 64Interstate 64Interstate 64Interstate 64
11
Interstate 64 WInterstate 64 W1991 31991 3rdrd LaneLane
Interstate 64 WInterstate 64 W1991 31991 3rdrd LaneLane
Interstate 64 WInterstate 64 W(a)(a)
Interstate 64 WInterstate 64 W(b)(b)
Interstate 64 WInterstate 64 W(c)(c)
Interstate 64 WInterstate 64 W(d)(d)
12
Interstate 64 WInterstate 64 W(e)(e)
Interstate 64 WInterstate 64 W(f)(f)
Interstate 64 WInterstate 64 W(g)(g)
Interstate 64 WInterstate 64 W(h)(h)
Interstate 64 WInterstate 64 W(k)(k)
Interstate 64 WInterstate 64 W(l)(l)
13
Interstate 64 WInterstate 64 W(m)(m)
Interstate 64 WInterstate 64 W(n)(n)
Interstate 64 WInterstate 64 W(o)(o)
Interstate 64 WInterstate 64 W(p)(p)
Interstate 64 WInterstate 64 W(q)(q)
Interstate 64 WInterstate 64 W(r)(r)
14
Interstate 295 EastInterstate 295 East
Interstate 295 EastInterstate 295 East(a)(a)
Interstate 295 EastInterstate 295 East(b)(b)
Interstate 295 EastInterstate 295 East(c)(c)
Interstate 295 EastInterstate 295 East(d)(d)
Interstate 295 WestInterstate 295 West