Question

Calculate the void ratio if the hydraulic gradient is 1.2 and specific gravity of the soil is 1.89

Answer 1

Explanation:

কুদস মকবুল বহু াহ মদ মকবুল সকলৰ নববর্ষ৬৭&৫;হদল ্বনাশা ্বিপুল মৰমৰ মুকুল চুদল

Answer 2

The void ratio of the soil is -0.258333

Explanation:

Given data

Hydraulic gradient = 1.2

Specific Gravity (G) = 1.89

Find the void ratio of the soil

Void ratio of the soil is defined as the ratio between volume of voids and the volume of soil.

Void ratio is denoted by the symbol 'e'.

The relation between Hydraulic gravity, specific gravity and void ratio can be written as

$\text{Hydraulic gradient } = \frac{\text{G} - 1}{1+\text{e}}$

Rewrite the above equation as follows,

$1+\text{e} = \frac{\text{G} - 1}{\text{Hydraulic gradient }}$

$\text{e} = \frac{\text{G} - 1}{\text{Hydraulic gradient }} - 1$

Substitute the respective values in above equation.

$\text{e} = \frac{1.89 - 1}{1.2} - 1$

$\text{e} = \frac{0.89}{1.2} - 1$

e = 0.741666 -1

e = - 0. 258333

The void ratio of the soil with hydraulic gradient 1.2 and specific gravity 1.89 is -0.258333.

To Learn More:

1. A sample of dry soil weight 35 gram the void ratio the soil sample (if the volume of soil sample is 35 ml and specific gravity of solid is 2.7) will be?

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