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Design-of-Highway-Pavements

Find spacing for contraction joint to be included in an RCC slab in rigid pavement having following details.
Permissible tensile stress in 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.


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

Find the spacing between expansion joints for the following data given below.
Width of expansion joint gap = 2.5 cm
Temperature during laying the pavement = 16°C
Maximum temperature during summer = 55°C
Coefficient of thermal expansion = 10×10-6 /°C

Find spacing for contraction joint to be included in an RCC slab in rigid pavement having following details.
Permissible tensile stress in 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 the spacing between contraction joints in an RCC slab, it is assumed that the reinforcement takes up all the compressive force in the slab.

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.

Design of Highway Pavements

Pavement-Design