Compute the radius of relative stiffness of 20 cm thick cement concrete slab from the following data: 1. Modulus of elasticity of cement concrete = 2.1x 10 kg/cm2 2. Poisson's ratio for concrete 0.15 3. Load sustained by rigid plate = 2000kg %3D

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A: Please refer the attached image for complete solution. THANK YOU !

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Design of pavements

Pavement is a structure that is made up of different layers such as sub-base course layer, base course layer, binder course, and a surface course formed with different materials such as gravel, above the subgrade soil constructed to act as a path or carriageway enabling the movement of vehicles. The surface of the pavement should possess characteristics such as adequate friction, light reflection, and drainage. The pavements are classified based on structural design into rigid pavements, flexible pavements, composite pavements, and unpaved pavements. The process of determining a suitable pavement type, its constituent layers, and its thickness is called pavement design.