Following data are given for a direct shear test conducted on dry sand. • Specimen dimensions: 75 mm x75 mm x 30 mm (height) Normal stress: 250 kN/m Shear force at failure: 190 N a. Determine he angle of friction, phi. b. What are the principal stresses at failure?

Following data are given for a direct shear test conducted on dry sand. • Specimen dimensions: 75 mm x75 mm x 30 mm (height) Normal stress: 250 kN/m Shear force at failure: 190 N a. Determine he angle of friction, phi. b. What are the principal stresses at failure?

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter6: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 6.7P: Use Eq. (6.14) to determine the stress increase () at z = 10 ft below the center of the area...

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Following data are given for a direct shear test conducted on dry sand.
Specimen dimensions: 75 mm x75 mm x 30 mm (height)
Normal stress: 250 kN/m
Shear force at failure: 190N
a. Determine the angle of friction, phi.
b. What are the principal Stresses at failure?

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