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Question
A masonry dam is founded on pervious sand a factor of safety of 4 is required against boiling. For the sand, n = 45% and Gs = 2.65. The maximum permissible upward hydraulic gradient will be nearly
A.
0.18
B.
0.23
C.
0.28
D.
0.33
Answer ( Option B)

0.23

Solution

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