In a tri-axial test of normally consolidated clay, the sample is subjected to chamber of confining pressure of 275 kPa and failed when deviator stress is 375 kPa. 1. Which of the following gives the angle of internal friction? a. 29.32° b. 32.29° c. 22.29° d. 23.92° 2. Which of the following gives the shear stress at failure? a. 187.50 kPa b. 342.79 kPa c. 171.40 kPa d. 205.12 kPa 3. Which of the following gives the effective normal stress at maximum shear? a. 462.50 kPa b. 605.00 kPa c. 512.50 kPa d. 325.00 kPa

In a tri-axial test of normally consolidated clay, the sample is subjected to chamber of confining pressure of 275 kPa and failed when deviator stress is 375 kPa. 1. Which of the following gives the angle of internal friction? a. 29.32° b. 32.29° c. 22.29° d. 23.92° 2. Which of the following gives the shear stress at failure? a. 187.50 kPa b. 342.79 kPa c. 171.40 kPa d. 205.12 kPa 3. Which of the following gives the effective normal stress at maximum shear? a. 462.50 kPa b. 605.00 kPa c. 512.50 kPa d. 325.00 kPa

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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Question

In a tri-axial test of normally consolidated clay, the sample is subjected to chamber of confining pressure of 275 kPa and failed when deviator stress is 375 kPa.

1. Which of the following gives the angle of internal friction?

a. 29.32°

b. 32.29°

c. 22.29°

d. 23.92°

2. Which of the following gives the shear stress at failure?

a. 187.50 kPa

b. 342.79 kPa

c. 171.40 kPa

d. 205.12 kPa

3. Which of the following gives the effective normal stress at maximum shear?

a. 462.50 kPa

b. 605.00 kPa

c. 512.50 kPa

d. 325.00 kPa

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