Question
Which of the following attempts are made to reduce the uplift in order to economize on the provided section of a concrete gravity dam?
i. Providing drainage gallery to collect seepage water
ii. Constructing cut-off under upstream face
iii. Pressure grouting in dam foundation
iv. Provision of shear keys or keyways
i. Providing drainage gallery to collect seepage water
ii. Constructing cut-off under upstream face
iii. Pressure grouting in dam foundation
iv. Provision of shear keys or keyways
Answer: Option B
Answer: (b).i, ii and iii
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Answer: (b).i, ii and iii
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