A 40¬∞ slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m3; the relevant shear strength parameters are cu = 70 kN/m2 and œÜu = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for œÜu = 0 and 40¬∞ slope angle is 0.18. The factor of safety of the slope is :

A 40¬∞ slope is excavated to a depth of 10 m in a deep layer of sat

1.	A 40¬∞ slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m3; the relevant shear strength parameters are cu = 70 kN/m2 and œÜu = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for œÜu = 0 and 40¬∞ slope angle is 0.18. The factor of safety of the slope is :
A.	2
B.	2.1
C.	2.2
D.	2.3
Answer» B. 2.1

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