R/W Rehabilitation
Pavement Condition North 3000 feet North 8000 feet
NDT Deflection Data Basin Area LTE Effective slab thickness Interlayer properties Subgrade support
Factors: E c Friction Subgrade k Design Aircraft – B ???
Average Values of NDT Parameters of R/W 15L-33R ParameterNorth 3000 ftMiddle 5000 ftSouth 4000 ft Area (in.) RRS (in.) h e (in.) Dynamic k value (psi.in) Interlayer friction coefficient LTE (%) # of Joints < 70%
Deflection Analysis
B 777
Subgrade Stress Limits
General ClassificationApproximate Resilient Modulus at a Deviatoric Stress of Approximately 6 psi Approximate Unconfined Compressive Strength, psi Stiff, fine-grained subgrade12,35033 Medium, fine-grained subgrade 7,68023 Soft, fine-grained subgrade3,02013 Very soft, fine-grained subgrade 1,0006
Present FEM Capability Bonded Layers Unbonded Layers
Partial Bond P
Overlay Design – B ???
Middle 5000 feet 98% Reliability
Joint LTE Restoration Middle 5000 ft Restored LTE Repair LTE# joints 80%<70% 83%<73% 85%<77%