In the design of a straight glacis fall, the minimum clear length of the crest for >3 m drop is ______.

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HPCL Engineer (Civil) 04 Nov 2022 Official Paper
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  1. 65%
  2. 85%
  3. 30%
  4. 50%

Answer (Detailed Solution Below)

Option 2 : 85%
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Detailed Solution

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Concept:

In the design of straight glacis fall, the clear length of the crest is calculated as per the table given below;

SI No. Drop Clear length of crest
1. Up to 1.25 m 65% of bed width
2. 1.25 m to 3 m 75% of bed width
3. > 3 m 85% of bed width

Hence option (2) is correct.

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