A cohesive soil yields a maximum dry density of $16 k N / m^{3}$ during a standard Proctor Compaction test. If the specific gravity is 2.65, what would be its void ratio?

0.552

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0.624

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0.712

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0.583

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Solution

The correct option is B 0.624
(b)
The maximum dry density of the cohesive soil is given by

$γ_{d} = \frac{G γ_{w}}{1 + e}$
$\Rightarrow 16 = \frac{2.65 \times 9.81}{1 + e}$

$∴$ e = 0.625

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A cohesive soil yields a maximum dry density of 16kN/m3 during a standard Proctor Compaction test. If the specific gravity is 2.65, what would be its void ratio?

The correct option is B 0.624(b) The maximum dry density of the cohesive soil is given by γd=Gγw1+e ⇒16=2.65×9.811+e ∴ e = 0.625

A cohesive soil yields a maximum dry density of $16 k N / m^{3}$ during a standard Proctor Compaction test. If the specific gravity is 2.65, what would be its void ratio?

The correct option is B 0.624
(b)
The maximum dry density of the cohesive soil is given by

$γ_{d} = \frac{G γ_{w}}{1 + e}$
$\Rightarrow 16 = \frac{2.65 \times 9.81}{1 + e}$

$∴$ e = 0.625