A long natural slope of cohesion-less soil is inclined at 12° to the horizontal. What will be the factor of safety of the slope if φ = 30°?

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A long natural slope of cohesion-less soil is inclined at 12° to the horizontal. What will be the factor of safety of the slope if φ = 30°?

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William · Answer 1 · 2022-02-09T19:01:45+0000

Right answer is (b) 2.7

Explanation: Given φ = 30° and i = 12°

Formula, F = tan φ /tan i

F = tan 30° / tan 12°

F = 2.72.

A long natural slope of cohesion-less soil is inclined at 12° to the horizontal. What will be the factor of safety of the slope if φ = 30°?

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