5. (a) For the full depth AC pavement designed in Problem (b), calculate the maximum tensile bending strain (exc) in the

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5 A For The Full Depth Ac Pavement Designed In Problem B Calculate The Maximum Tensile Bending Strain Exc In The 1 (43.58 KiB) Viewed 34 times

5. (a) For the full depth AC pavement designed in Problem (b), calculate the maximum tensile bending strain (exc) 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(b), assume the AC layer thickness as 10". (20 points) P-18.000 ID 100.1025 20 200 10 q= 64ps: Poisson's ratio=0.5 5 E/E -20 -104 10 2 1 20 Strain Puctor, 02 So 50 01 0.0 0 0.00 0.01 Figure 2.21 Strain factor for single wheel to calculate critical tensile strain (b) Calculate the vertical strain (se) at the top of subgrade using the fact that or at for a symmetric loading. (5 points) 9