A cylindrical sample soil, having cohesion of 0.8 kg/cm² and angle of internal friction of 20°, is subjected to a cell pressure of 1.0 kg/cm². Calculate the maximum deviator stress at which the sample will fail and the angle made by the failure plane with the axis of the sample.

A cylindrical sample soil, having cohesion of 0.8 kg/cm² and angle of internal friction of 20°, is subjected to a cell pressure of 1.0 kg/cm². Calculate the maximum deviator stress at which the sample will fail and the angle made by the failure plane with the axis of the sample.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.20P

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Concept explainers

Test for Determination of Shear Strength

The term shear strength is often associated with the soil. Shear strength is defined as the resistance to the deformation of soil particles due to the continuous action of shear stress. In short, shear strength is the maximum shear stress that a soil can sustain.

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A cylindrical sample soil, having cohesion of 0.8 kg/cm² and angle of internal friction of 20°, is subjected to
a cell pressure of 1.0 kg/cm². Calculate the maximum deviator stress at which the sample will fail and the
angle made by the failure plane with the axis of the sample.

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