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Design-of-Highway-Pavements

The maximum spacing of contraction joint in a 30 cm thick PCC slab is taken as 5 m.


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This Chapter Design-of-Highway-Pavements consists of the following topics

For finding the spacing between contraction joints in an RCC slab, it is assumed that the reinforcement takes up all the compressive force in the slab.

The maximum spacing of contraction joint in a 30 cm thick PCC slab is taken as 5 m.

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/cm2
Slab width, b = 4 m
Thickness of slab, h = 25 cm
Area of reinforcement, A = 9.35 m2
Coefficient of friction, f = 0.15
Unit weight of concrete, W = 2400 kg/m3

The maximum spacing of contraction joint in a 30 cm thick PCC slab is taken as 5 m.

Design of Highway Pavements

Pavement-Design