Find the spacing for contraction joint to be included in an RCC slab in the rigid pavement having the following details.Permissible tensile stress in the reinforcement, SS = 1200 kg/cm2Slab width, b = 4 mThickness of slab, h = 25 cmArea of reinforcement, A = 9.35 m2Coefficient of friction, f = 0.15Unit weight of concrete, W = 2400 kg/m3

Find the spacing for contraction joint to be included in an RCC slab

1.	Find the spacing for contraction joint to be included in an RCC slab in the rigid pavement having the following details.Permissible tensile stress in the reinforcement, SS = 1200 kg/cm2Slab width, b = 4 mThickness of slab, h = 25 cmArea of reinforcement, A = 9.35 m2Coefficient of friction, f = 0.15Unit weight of concrete, W = 2400 kg/m3
A.	2.27 m
B.	2.72 m
C.	7.72 m
D.	7.27 m
Answer» E.

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