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Borrow Pit and Fill

A fill having...

Question

A fill having volume of $150000 m^{3}$ is to be constructed at a void ratio of 0.8. The borrow pit solid has a void ratio of 1.4. The volume of soil required to be excavated from the borrow pit will be

A

$150000 m^{3}$

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B

200000 m^{3}

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C

250000 m^{3}

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D

300000 m^{3}

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Solution

The correct option is B $200000 m^{3}$
(b)
Volume of solids will remain same.
${(V_{s})}_{f i l l} = (V_{s})_{B o r r o w p i t}$

${(\frac{V_{T}}{1 + e})}_{f i l l} = {(\frac{V_{T}}{1 + e})}_{B o r r o w p i t}$

$\frac{150000}{1 + 0.8} \times 2.4 = 200000 m^{3}$

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