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Question

Which one of the following is the purpose of providing the downstream sheet pile in a barrage?

A

To control failure due to piping by high value of exit gradient

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B

To control failure due to scour

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C

To stop failure due to sliding

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D

To stop failure due to uplift pressure

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Solution

The correct option is A To control failure due to piping by high value of exit gradient
Downstream sheet pile is provided to reduce high value of exit gradient. It increases the seepage path and reduces head in the end.

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