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Design-of-Highway-Pavements

The joint width is taken as 2.5 cm when dowel bar is used.


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The thickness of a PCC pavement is 26 cm and the width of the lane is 3.5 m. Find the length of a tie bar system along the longitudinal joints if the allowable working stress in concrete is 1250 kg/cm2, unit weight of concrete is 2400 kg/m3, coefficient of friction is 1.4, allowable bond stress in deformed bars is 24.6 kg/cm2 and allowable tensile stress in deformed bars is 2000 kg/cm2.

The joint width is taken as 2.5 cm when dowel bar is used.

Design the spacing for a dowel bar system for the following data:
Design wheel load = 8000 kg
Percentage of load transfer = 40 %
Slab thickness = 30 cm
Joint width = 2 cm
Radius of relative stiffness = 105.45 cm
Characteristic compressive strength = 400 kg/cm2

The joint width is taken as 2.5 cm when dowel bar is used.

Design of Highway Pavements

Pavement-Design