A 9m high slope soil has a unit weight of 17 kN/m^3. Friction of angle and cohesion along the rock surface are 20 degrees and 24 kN/m^3 respectively. The trial failure plane makes an angle of 15 degrees with the horizontal while the cut slope makes an angle of 30 degrees with the horizontal. a) Compute the force tending to cause sliding. b) Compute the resistance to sliding force. c) Compute the factor of safety against sliding.

A 9m high slope soil has a unit weight of 17 kN/m^3. Friction of angle and cohesion along the rock surface are 20 degrees and 24 kN/m^3 respectively. The trial failure plane makes an angle of 15 degrees with the horizontal while the cut slope makes an angle of 30 degrees with the horizontal. a) Compute the force tending to cause sliding. b) Compute the resistance to sliding force. c) Compute the factor of safety against sliding.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 17.11P

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A 9m high slope soil has a unit weight of 17 kN/m^3. Friction of angle and cohesion along the rock surface are 20 degrees and 24
kN/m^3 respectively. The trial failure plane makes an angle of 15 degrees with the horizontal while the cut slope makes an angle of
30 degrees with the horizontal.
a) Compute the force tending to cause sliding.
b) Compute the resistance to sliding force.
c) Compute the factor of safety against sliding.

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