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Types of Gradients

The camber pr...

Question

The camber provided on a sloping road is 1 in 48. Which one of the following is the ruling gradient?

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Solution

As per IRC 52:1981, ruling gradient values should be

1 in 30: plain and rolling terrain

1 in 20: mountainous terrain

1 in 16.7: Steep terrain

Thus for the sloping road, it is 1 in 30.

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