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Authors:
Fred L. Mannering, Scott S. Washburn
Chapter:
Pavement Design
Exercise:
Problems
Question:2 | ISBN:9781118120149 | Edition: 5

Question

A flexible pavement has a 4-inch hot-mix asphalt (HMA) wearing surface, a 7-inch dense-graded crushed stone base, and a 10-inch crushed stone subbase. The pavement is on a soil with a resilient modulus of 5000 lb/in2. The pavement was designed with 90% reliability, an overall standard deviation of 0.4, and a PSI of 2.0 (a TSI of 2.5). The drainage coefficients are 0.9 and 0.8 for the base and subbase, respectively. How many 25- kip single-axle loads can be carried before the pavement reaches its TSI (with given reliability)?

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