A filter is provided at the d/s toe of an earth dam

1.	A filter is provided at the d/s toe of an earth dam
A.	to prevent the piping action in the dam section
B.	to reduce the seepage through the dam
C.	to reduce the uplift pressure on the dam
D.	to collect and drain out the seepage water
Answer» E.

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A filter is provided at the d/s toe of an earth dam

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