A cut slope is to be made with the specifications shown in the figure with the assumed failure plane displayed in a broken red line. Assume that the unit weight of the soil is 20.5 kN/m3, while the strength parameters of the soil were found to be c = 67 kPa and Ø=31º. Assume that the water table is 6.0meters below all faces of the slope. Using planar analysis method, determine the factor of safety against sliding (FS). Express your answer in four (4) decimal places. www. 53.0m

A cut slope is to be made with the specifications shown in the figure with the assumed failure plane displayed in a broken red line. Assume that the unit weight of the soil is 20.5 kN/m3, while the strength parameters of the soil were found to be c = 67 kPa and Ø=31º. Assume that the water table is 6.0meters below all faces of the slope. Using planar analysis method, determine the factor of safety against sliding (FS). Express your answer in four (4) decimal places. www. 53.0m

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.5P

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Question

From the given, determine the factor of safety against sliding (FS) if the entire slope is unsaturated. Provide a step by step solution and handwritten computation.

A cut slope is to be made with the specifications shown in the figure with the assumed failure plane
displayed in a broken red line. Assume that the unit weight of the soil is 20.5 kN/m3, while the strength
parameters of the soil were found to be c = 67 kPa and Ø=31º. Assume that the water table is 6.0meters
below all faces of the slope.
Using planar analysis method, determine the factor of safety against sliding (FS). Express your answer in
four (4) decimal places.
www.
53.0m

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