Question
Download Solution PDFThe value of ruling gradient in plains as per IRC recommendation is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The maximum values of the ruling, limiting, and exceptional gradients recommended by the IRC in different terrains are given below
| Type of terrain | Ruling Gradient | Limiting Gradient |
Exceptional Gradient |
| Plain or rolling |
3.3 % (1 in 30) |
5 % (1 in 20) |
6.7 % (1 in 15) |
| Mountainous terrain, and steep terrain having elevation more than 3000 m above MSL |
5 % (1 in 20) |
6 % (1 in 16.7) |
7 % (1 in 14.3) |
| Steep terrain up to 3000 m height above MSL |
6 % (1 in 16.7) |
7 % (1 in 14.3) |
8 % (1 in 12.5) |
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