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Civil - Highway Planning and Alignment - Highway Engineering

Highway Planning: Camber

   Posted On :  23.07.2016 09:19 pm
Highway Planning: Camber

Camber or cant is the cross slope provided to raise middle of the road surface in the transverse direction to drain of rain water from road surface.

Camber

 

Camber or cant is the cross slope provided to raise middle of the road surface in the transverse direction to drain of rain water from road surface. The objectives of providing camber are:

 

_ Surface protection especially for gravel and bituminous roads _ Sub-grade protection by proper drainage

 

_ Quick drying of pavement which in turn increases safety

 

Too steep slope is undesirable for it will erode the surface. Camber is measured in 1 in n or n% (Eg. 1 in 50 or 2%) and the value depends on the type of pavement surface. The values suggested by IRC for various categories of pavement is given in Table .


Types of cambers.

The common types of camber are parabolic, straight, or combination of them



Tags : Civil - Highway Planning and Alignment - Highway Engineering
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