For normally consolidated clay specimens, drained direct shear tests were conducted and the following data were obtained. Determine the drained angle of internal friction o of the clay. Applied Normal Stress, kPa Measured Peak Shear Stress, kPa 150 22.4 300 44.6 400 59.8 500 71.6

For normally consolidated clay specimens, drained direct shear tests were conducted and the following data were obtained. Determine the drained angle of internal friction o of the clay. Applied Normal Stress, kPa Measured Peak Shear Stress, kPa 150 22.4 300 44.6 400 59.8 500 71.6

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.26P

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Question

THE ANSWER MUST BE EXACT: φ′ = 8.3°

3.
For normally consolidated clay specimens, drained direct shear tests
were conducted and the following data were obtained. Determine the
drained angle of internal friction o' of the clay.
Applied Normal Stress, kPa
Measured Peak Shear Stress, kPa
150
22.4
300
44.6
400
59.8
500
71.6

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