1.

The uplift pressure on a dam can be controlled by_________________?_x005F_x000D_1) constructing cutoff under upstream face_x005F_x000D_2) constructing drainage channels bet-ween the dam and its foundation_x005F_x000D_3) by pressure grouting in foundation_x005F_x000D_The corret answer is?

A. only (1)
B. both (1) and (2)
C. both (1) and (3)
D. (1), (2) and (3)
Answer» E.


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