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Question
Height of a gravity dam of elementary profile is 22 m. Specific gravity of the dam material is 2.3. The coefficient of friction at the base of dam is 0.52. If uplift is not considered, the minimum base width of the gravity dam should be _____ m
Height of a gravity dam of elementary profile is 22 m. Specific gravity of the dam material is 2.3. The coefficient of friction at the base of dam is 0.52. If uplift is not considered, the minimum base width of the gravity dam should be _____ m
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Solution
The correct option is C 19
Minimum Base width (Bmin)
=Maximum⎧⎪
⎪
⎪
⎪⎨⎪
⎪
⎪
⎪⎩H√G−C=22√2.3−0=14.5 mHμ(G−C)=220.52(2.3−0)=18.39 m
=18.39 m
Minimum Base width (Bmin)
=Maximum⎧⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪⎩H√G−C=22√2.3−0=14.5 mHμ(G−C)=220.52(2.3−0)=18.39 m
=18.39 m
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