The range of void ratio between which quick sand conditions

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The range of void ratio between which quick sand conditions occurs in cohesion less granular soil deposits is

1. 0.4-0.5
2. 0.6 – 0.7
3. 0.8-0.9
4. 1.0-1.1

Correct Option: B

For cohesion less soil, G = 2.65 to 2.68
For quick sand condition, i_C ≈ 1

i_C =	(G - 1)
	(1 + e)

Substituting the values, e = G – 2 is, 0.65 – 0.68
≈ 0.6 to 0.7