Civil Engineering MCQAE Level Civil Engineering
Uplift pressure below a hydraulic structure is reduced by:
Irrigation EngineeringWater Resources Engineering and IrrigationHARD
Choose the correct answer
A
increasing reservoir level only
B
cutoffs, drainage galleries and filters
C
removing all drains
D
making floor thinner
Correct Answer
B. cutoffs, drainage galleries and filters
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Cutoffs lengthen seepage path and drains/relief wells reduce pore pressure beneath the floor or dam.
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