If E is the modulus of elasticity of the concrete in kg/cm2, d is the – McqOptions

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1.	If E is the modulus of elasticity of the concrete in kg/cm2, d is the slab thickness in cm, is the Poisson's ratio for the concrete, k is the sub-grade modulus kg/cm3, the radius r of relative stiffness in cm,
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

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