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Quick Sand Condition

A sand deposi...

Question

A sand deposit has a porosity of 0.375 and a specific gravity of 2.6, the critical hydraulic gradient for the sand deposit is

A

2.975

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B

2.225

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C

1

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D

0.75

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Solution

The correct option is C 1
Critical hydraulic gradient,

$i_{c} = \frac{G - 1}{1 + e} = (G - 1) (1 - n)$

$= (26 - 1) \times (1 - 0.375)$

$= 1.0$

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