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existing JPCP pavement is going to be rehabilitated with asphalt overlay with the following conditions. Determine the asphalt overlay thickness. a. Future design i. Design ESAL: 50 million ii. Reliability R=90%, iii. Standard deviation: S0=0.35iv. PSI=1.5v. Drainage coefficient: 1.0b. Existing JPCP pavement: i. Slab thickness: 15 inches ii. No sign of durability issue iii. 8%slabs cracked iv. 100 unrepaired deteriorated transverse joints and cracks v. Deflection results: 1. d0: 2.34mils 2. d112: 2.2miles 3. d24:2.03mils 4. d36: 1.84mils vi. Load transfer efficiency: 65%

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