5 A For The Full Depth Ac Pavement Designed In Probleme B Calculate The Maximum Tensile Bending Strain Eac In Th 1 (47.09 KiB) Viewed 58 times
5 A For The Full Depth Ac Pavement Designed In Probleme B Calculate The Maximum Tensile Bending Strain Eac In Th 2 (47.09 KiB) Viewed 58 times
5. (a) For the full depth AC pavement designed in Probleme (b), calculate the maximum tensile bending strain (EAC) in the AC layer under a single tire load P=18,000 lb using the figure provided below and axis symmetry condition of wheel load. Use a circular tire pressure of q-64 psi. Assume the Poisson's ratio as 0.5. If you did not solve Problem 4(6), assume the AC layer thickness as 10". (20 points) 20 10 200 100 10.35 SO 5 EE 2 -20% 104 10 1 Strain Factor F os 02 50 0.1 0.05 ch 0.02 0.01 Figure 2.21 Strain factor for single wheel to calculate critical tensile strain (b) Calculate the vertical strain (c) at the top of subgrade using the fact that Or = or for a symmetric loading. (5 points)
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