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Foundation Engineering

Modes of Shear Failure

Likelihood of...

Question

Likelihood of general shear failure for an isolated footing in sand decreases with

A

Decreasing footing depth

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B

Decreasing inter-granular packing of the sand

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C

Increasing footing width

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D

Decreasing soil grain compressibility

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Solution

The correct option is B
Decreasing inter-granular packing of the sand
General shear failure criteria is associated with dense sand. If inter granular packing of sand decreases, sand will behave as loose sand. Hence, Likelihood of general shear failure will decrease

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