The equation of the effective stress failure envelope for normally consolidated clay soil is 30 degrees. A drained triaxial test was conducted with the same soil chamber confining pressure of 10 lb/in2. Calculate the deviator stress at failure.

The equation of the effective stress failure envelope for normally consolidated clay soil is 30 degrees. A drained triaxial test was conducted with the same soil chamber confining pressure of 10 lb/in2. Calculate the deviator stress at failure.

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 10.9P

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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.

Question

: The equation of the effective
stress failure envelope for normally
consolidated clay soil is 30
degrees. A drained triaxial test was
conducted with the same soil chamber
confining pressure of 10 lb/in2. Calculate the
deviator stress at failure.

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