Civil Engineering MCQAE Level Civil Engineering
For a saturated soil, the critical hydraulic gradient for quick condition is:
Soil MechanicsSoil Mechanics and Foundation EngineeringHARD
Choose the correct answer
A
(1 + e)/(G - 1)
B
G/(1 - e)
C
G + e
D
(G - 1)/(1 + e)
Correct Answer
D. (G - 1)/(1 + e)
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Quick condition occurs when upward seepage force equals submerged unit weight, giving i_c = (G - 1)/(1 + e).
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