GATE CE 2015 Set 2 — Question 23
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Geotechnical Engineering → Stability of Slopes → Finite Slopes
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Question
In friction circle method of slope stability analysis, if defines the radius of the slip circle, the radius of friction circle is:
Correct answer
(A) r sin φ
Solution
In the friction circle method of slope stability analysis, the resultant of the normal and frictional forces along the slip circle is tangent to a smaller circle called the friction circle. The radius of this friction circle () is given by:where is the radius of the slip circle and is the angle of internal friction of the soil.
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