A concrete pavement is to be constructed for a four-lane urban expressway on a sub- grade with an effective modulus of subgrade reaction k of 100 Ib/in3. The accumulated equivalent axle load for the design period is 3.25 x106. The initial and terminal serviceability indices are 4.5 and 2.5, respectively. Using the AASHTO design method, determine a suitable thickness of the concrete pavement if the working stress of the concrete is 600 Ib/in2 and the modulus of elasticity is 5 x106 Ib/in2. Take the overall standard deviation So as 0.30, the load- transfer coefficient J as 3.2, the drainage coefficient as 0.9, and R = 95%. %3D

A concrete pavement is to be constructed for a four-lane urban expressway on a sub- grade with an effective modulus of subgrade reaction k of 100 Ib/in3. The accumulated equivalent axle load for the design period is 3.25 x106. The initial and terminal serviceability indices are 4.5 and 2.5, respectively. Using the AASHTO design method, determine a suitable thickness of the concrete pavement if the working stress of the concrete is 600 Ib/in2 and the modulus of elasticity is 5 x106 Ib/in2. Take the overall standard deviation So as 0.30, the load- transfer coefficient J as 3.2, the drainage coefficient as 0.9, and R = 95%. %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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