The minimum value of camber provided for thin bituminous surface hill roads, is 2.5%.
Solution
The minimum value of camber provided for thin bituminous surface hill roads is 2.5%.
The value of the camber for different terrains and rainfall conditions is as below.
Road type | Light Rainfall | Heavy Rainfall |
|---|---|---|
CC/High Bituminous Road | 1.7 % | 2% |
Thin Bituminous Road | 2% | 2.5% |
WBM/Gravel Road | 2.5% | 3% |
Earthen Road | 3% | 4% |
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