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Liquid limit of clay soil 56% plasticity Index 15% i)What state of this material water content of 45%ii)plastic limit of soil iii)Void ratio soil minimum volume reached shrinkage 0.88.Shrinkage G=2.71
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Given:- WL=56%, Ip=15%, W=45%

(i) Ic=WLWIp=564515=0.73

soil is in plastic state and has medium stiff consistency

ii)Wp=wLIp=5615=41%

iii) e=0.88, G=2.71, Ws=?

sd=Gγw1+e=2.71×11+0.88=1.44g/c.c

Ws=swSd=1G=11.4412.71=0.325 i.e 32.5%

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