A 10 m high slope of dry clay soil (unit weight = 20 kN/m3), with a slope angle of 450 and the circular slip surface, is shown in the figure (not drawn to the scale). The weight of the slip wedge is denoted by. W. The undrained unit cohesion (Cu) is 60 kPa.The factor of safety of the slope against slip failure, is

A 10 m high slope of dry clay soil (unit weight = 20 kN/m3), with a sl

1.	A 10 m high slope of dry clay soil (unit weight = 20 kN/m3), with a slope angle of 450 and the circular slip surface, is shown in the figure (not drawn to the scale). The weight of the slip wedge is denoted by. W. The undrained unit cohesion (Cu) is 60 kPa.The factor of safety of the slope against slip failure, is
A.	1.84
B.	1.57
C.	3.68
D.	1.67
Answer» D. 1.67

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