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When the reservoir is full, the slope which is most likely to slide is _____________________

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in Irrigation Engineering by (75.2k points)
When the reservoir is full, the slope which is most likely to slide is _____________________

(a) the upstream slope

(b) the downstream slope

(c) both upstream and downstream slope

(d) no effect

The question was posed to me in quiz.

My question is based upon Failure of Earthen Dams topic in chapter Earthen and Rock Fill Dams of Irrigation Engineering

1 Answer

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by (106k points)
Correct option is (b) the downstream slope

Easiest explanation: The D/s slope is most likely to slide when the reservoir is full. For downstream face also, when the slope is steep and soil used is poor with inadequate compaction, saturation and softening of soil due to rainfall and seepage causes sliding of the downstream face.

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