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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Concept explainers

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.

Question

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.

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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 centre O. 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 toe of the slope. Consider the water table to be present at a very large depth from the ground surface. K 60° F 50⁰ 10 m 25 m W L M 700 15 m- Considering the trial slip circle KLM, the factor of safety against the failure of slope under undrained condition (round off to two decimal places) is
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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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A soil is used in the construction of an infinitely long slope of angle 45° and critical height 6 m. The cohesion and dry unit weight of soil is 21 kPa and 18 kN/m3, respectively. Calculate the required internal friction angle of the soil.
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