GATE Civil Engineering 2015 Q23 | Soil Mechanics: Sand & Liquefaction Concepts

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Civil Engineering > GATE 2015 SET-1 > Soil Mechanics

Which of the following statements is NOT correct?

A

Loose sand exhibits contractive behavior upon shearing.

B

Dense sand when sheared under undrained condition, may lead to generation of negative pore pressure.

C

Black cotton soil exhibits expansive behavior.

D

Liquefaction is the phenomenon where cohesionless soil near the downstream side of dams or sheet-piles loses its shear strength due to high upward hydraulic gradient.

Correct : d

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