Question: Soil sample with gravity 2.67 filled in 1000 ml container 100 set state,dry weight of sample found 1475 gm was filled dense state weight found to 1770gm. Void ratio soil natural 0.631.DeterminG=2.67

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Given:- G=2.67, e=0.63

V=1000mL

mloose=1475gm

mcompcat=1770gm

$sd(min)=\frac{1475}{1000}=1.475g/cm^{3}$

$sd(min)=\frac{G.Pw}{1+emax}$, emax=0.81

sd(max)=$\frac{1770}{1000}=1.77g/cm^{3}$

emin=$\frac{G sw}{(sd)}_{max}-1$=0.508

$I_{D}\frac{emax-e}{emax-emin}$

$\frac{0.81-0.63}{0.81-0.508}$

$I_{D}$=0.596

$I_{D}$=59.6%

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