Civil Engineering MCQAE Level Civil Engineering
In a gravity dam, drainage galleries are mainly provided to:
Irrigation EngineeringDams and Appurtenant WorksMEDIUM
Choose the correct answer
A
increase uplift pressure below the base
B
reduce uplift pressure and permit inspection
C
replace the spillway crest
D
store silt during floods
Correct Answer
B. reduce uplift pressure and permit inspection
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Drainage galleries allow inspection and provide drainage paths that help reduce uplift pressure within the dam body and foundation.
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