Answered: An infinitely long slope having a slope…

An infinitely long slope having a slope angle of 50° and critical height of 6.67 m is made of a soil of 21 kPa cohesion and 18 kN/m³ dry unit weight. Calculate the internal friction angle of soil.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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An unsupported slope of height 15 m is shown in the figure (not to scale), in which the slope face makes an angle 50° with the horizontal. The slope material comprises purely cohesive soil having undrained cohesion 75 kPa. A trial slip circle KLM, with a radius 25 m, passes through the crest and toe of the slope and it subtends an angle 60° at its center 0. The weight of the active soil mass (W, bounded by KLMN) is 2500 kN/m, which is acting at a horizontal distance of 10 m from the toe of the slope. Consider the water table to be present at a very large depth from the ground surface. O K 60° 25 m રક્ષા અને આ તેમ જ 50% 10 m N W L M 15 mm Considering the trial slip circle KLM, Find the factor of safety against the failure of slope under undrained condition.
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