What is the critical stress at the edge of rigid pavement for the below data?Wheel load, P = 5100 kgModulus of elasticity, E = 2.1×105 kg/cm2Pavement thickness, h = 16 cmPoisson’s ratio, μ = 0.15Modulus of subgrade reaction, k = 7 kg/cm3Radius of contact area, a = 15 cm

What is the critical stress at the edge of rigid pavement for the bel

1.	What is the critical stress at the edge of rigid pavement for the below data?Wheel load, P = 5100 kgModulus of elasticity, E = 2.1×105 kg/cm2Pavement thickness, h = 16 cmPoisson’s ratio, μ = 0.15Modulus of subgrade reaction, k = 7 kg/cm3Radius of contact area, a = 15 cm
A.	31.82 kg/cm2
B.	38.12 kg/cm2
C.	31.28 kg/cm2
D.	38.21 kg/cm2
Answer» B. 38.12 kg/cm2

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What is the critical stress at the edge of rigid pavement for the below data?Wheel load, P = 5100 kgModulus of elasticity, E = 2.1×105 kg/cm2Pavement thickness, h = 16 cmPoisson’s ratio, μ = 0.15Modulus of subgrade reaction, k = 7 kg/cm3Radius of contact area, a = 15 cm

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