Question

Assuming specific gravity of soil solids as 2.5 and dry unit weight of soil 19.62 kn/m3, the shrinkage limit (ws) is

Answer 1

Assuming specific gravity of soil solids as 2.5 and dry unit weight of soil 19.62 kN/m³, the shrinkage limit (ws) is 10%

Explanation:

Note: This is a question of Civil Engineering

Given

Dry unit weight of soil

$\gamma_d=19.62]$ kN/m³

Specific Gravity of soil solids

$G=2.5$

We know that

$\gamma_d=\frac{G\gamma_w}{1+e}$

$\implies 19.62=\frac{2.5\times 9.81}{1+e}$

$\implies 1+e=\frac{2.5\times 9.81}{19.62}$

$\implies 1+e=1.25$

$\implies e=1.25-1=0.25$

Thus Shrinkage Limit

$w_s=\frac{e}{G}$

$\implies w_s=\frac{0.25}{2.5}$

$\implies w_s=10\%$

Hope this answer is helpful.

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