When building a dam across a river, how far on each side of the dam does it go in the earth?

Md Ariful Islam

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Dr. Md Rushad Rahman

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If your dam is going to build up large amounts of pressure, then far into the walls. But at the same time, if your river bed and walls are made rock or hard clay/mud, then the sides would not have to go very far in. The best idea would be about 1 foot to half a foot (a couple of centimeters).

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