a) 9.678
b) 11.502
c) 9.256
d) 10.423
Answer: d
Explanation: Given,
Voids ratio e=0.6
Specific gravity G=2.7
Submerged unit weight γ’ = (G -1) γw/ (1+e)
γ’ = (2.7-1)*9.81/(1+0.6)
γ’ = 10.423 kN/m3.
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