A 9 m thick normally consolidated clay deposit has an overimposed layer of dry sand having a unit weight of 16.5 KN/m³ and a thickness of 2 m. The groundwater table is located 2 m below the ground surface. The plasticity index of the clay is 28% and a saturated unit weight of 18.5 KN/m³. Compute the undrained cohesion (KPa) at the middle of the clay layer.

A. 10.34

B. 22.54

C. 15.40

D. 28.23

asked by guest
on Nov 19, 2024 at 9:31 pm



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