1.

Saturate unit weight of a soil is 20 kN/cum and the unit weight of water is 12 kN/cum. If the groundwater table is at the surface of soil and lateral earth pressure coefficient of soil is 0.4, effective lateral stress (kpa) at 10 m depth will be

A. 32
B. 40
C. 48
D. 20
E. 12
Answer» B. 40


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