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Quick Sand Condition

A deposit of ...

Question

A deposit of fine sand has a porosity n and specific gravity of soil solids is G. The hydraulic gradient of the deposit to develop boiling condition of sand is given by

A

i_{c r} = (G - 1) (1 - n)

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B

i_{c r} = (G - 1) (1 + n)

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C

i_{c r} = \frac{G - 1}{1 - n}

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D

i_{c r} = \frac{G - 1}{1 + n}

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Solution

The correct option is A $i_{c r} = (G - 1) (1 - n)$
$i_{c r} = \frac{G - 1}{1 + e} = (G - 1) (1 - n)$

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