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Design-of-Highway-Pavements

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


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

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 = 1250 kg/cm2
Slab width, b = 3.5 m
Thickness of slab, h = 22 cm
Coefficient of friction, f = 0.15
Unit weight of concrete, W = 2400 kg/m3
The steel bars of 1 cm diameter are placed at 0.25 m spacing.

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

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

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.

Design of Highway Pavements

Pavement-Design