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 ?u = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for ?u = 0 and 40° slope angle is 0.18. The factor of safety of the slope is :
Options
A. 2.0
B. 2.1
C. 2.2
D. 2.3
Correct Answer
2.0
More questions
1. A soil not fully consolidated under the existing over-burden pressure, is called
4. Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to
Correct Answer: a confined bed of impervious material between acquifers
6. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is