Question

5. The ratio of saturated unit weight to dry unit weight
of a soil is 1.25. If the specific gravity of solids (G) is
2.65, the void ratio of the soil is​

Answer 1

The ratio of saturated unit weight to dry unit weight of a soil is 1.25 .If the specific gravity of solids (Gs) in 2.65 the void ratio of the soil is

Answer 2

Answer:

Void ratio = 0.663

Formula to find :

Void = $\frac{volume of void}{volume of solid}$

$Y_{sat} = \frac{G_{s} +S_{e} }{1 + e}$

Given:

$\frac{Y_{sat} }{Y_{dry} } = 1.25\\G_{s} = 2.65$

$\frac{\frac{G_{s +S_{e} } }{1 + e} }{\frac{G_{s Y_{w} } }{1 + e} }Yw =1.25$

$\frac{2.65 + e}{2.65} = 1.25$

e = 0.663

Void ratio of a mixture is the ratio of the volume of voids to volume of solids . It is a dimensionless quantity in material science and is closely related to porosity. Void ratio of a soil sample is defined as the ratio of the space occupied by the voids .

For void soil visit :

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