SIT R. A consolidated drained tri-axial test was conducted on a cohesionless soil that has a friction angle of 30° and deviator stress at failure of 400 kPa. a. Find the angle that the failure plane makes with the major principal plane. b. Find the confining pressure. c. Find the shear stress at the point on the failure plane.

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 10.18P
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SIT R. A consolidated drained tri-axial test was conducted on a cohesionless soil that has a
friction angle of 30° and deviator stress at failure of 400 kPa.
a. Find the angle that the failure plane makes with the major principal plane.
b. Find the confining pressure.
c. Find the shear stress at the point on the failure plane.
Transcribed Image Text:SIT R. A consolidated drained tri-axial test was conducted on a cohesionless soil that has a friction angle of 30° and deviator stress at failure of 400 kPa. a. Find the angle that the failure plane makes with the major principal plane. b. Find the confining pressure. c. Find the shear stress at the point on the failure plane.
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