Civil Engineering MCQAE Level Civil Engineering
The camber (cross-slope) provided on road surface in the transverse direction is primarily to:
Transportation EngineeringHighway DrainageMEDIUM
Choose the correct answer
A
Increase the pavement strength
B
Drain rainwater off the road surface quickly
C
Increase the riding comfort
D
Compensate for superelevation on curves
Correct Answer
B. Drain rainwater off the road surface quickly
Why is this the answer?
Camber (crown) = transverse slope from the centerline to the edge, typically 2-3% for bituminous roads and 2.5-3% for gravel/WBM. It ensures surface water drains to the edge quickly, preventing waterlogging which weakens the pavement.
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