Given the following parameters for a concrete pavement:
r - radius of load distribution, P - wheel load, h - thickness of slab, μ - Poisson’s ratio of concrete, E - modulus of elasticity of concrete, K - modulus of subgrade reaction.
The combination of parameters required for estimating the Radius of relative stiffness of concrete slab is :
1
P, h, K, μ
2
E, h, K, μ
3
h, K, μ, r
4
E, K, μ, r
5
None of the above