Presence of tail water in a gravity dam_____________?

Irrigation, Water Resources Engineering and Hydrology 08/06/2021

1) increases the principal stress
2) decreases the principal stress
3) increases the shear stress
4) decreases the shear stress
The correct answer is

A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)

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