Civil Engineering MCQAE Level Civil Engineering
Which of the following about upward flow below a hydraulic structure in civil engineering is correct?
Soil MechanicsSeepage ForceMEDIUM
Choose the correct answer
A
upward seepage increases submerged unit weight always
B
upward seepage reduces effective stress
C
seepage force acts only in dry sand
D
pore pressure is unaffected by flow
Correct Answer
B. upward seepage reduces effective stress
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Seepage pressure changes effective stress and can cause boiling. Correct option: B.
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