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.

Structural Analysis
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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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