A 40Â° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m 3 ; the relevant shear strength parameters are c u = 70 kN/m 2 and ? u = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for ? u = 0 and 40Â° slope angle is 0.18. The factor of safety of the slope is :

A 40Â° slope is excavated to a depth of 10 m in a deep layer of satu

1.	A 40Â° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m 3 ; the relevant shear strength parameters are c u = 70 kN/m 2 and ? u = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for ? u = 0 and 40Â° slope angle is 0.18. The factor of safety of the slope is :
A.	2.0
B.	2.1
C.	2.2
D.	2.3
Answer» B. 2.1

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