Answered: The following results were obtained…

The following results were obtained from undrained tests on specimens of an over-consolidated clay: Plot the mohr circles and determine the effective stress parameters c′ and ϕ′

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter12: Shear Strength Of Soil

Section: Chapter Questions

Problem 12.19P

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Planar Stresses

Question

The following results were obtained from undrained tests on specimens of an over-consolidated clay:

Plot the mohr circles and
determine the effective stress parameters c′ and ϕ′

Cell Pressure (kPa)	100	250	400
Deviator Stress at Failure (kPa)	340	410	474
Pore Pressure (kPa)	-42	64	177

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Step 2: Calculation of internal friction

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Step 3: Calculation of cohesion

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