A specimen of clean sand  when subjected to direct shear test failed at  stress of 1.20 kg/cm2 when normal stress was  1.60 kg/cm2. Determine: Angle of internal friction. Deviator stress at which the failure will  take place if a cylindrical sample of the same  sand is subjected to tri-axial test with a cell  pressure of 1 kg/cm2.

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 10.10P
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A specimen of clean sand 
when subjected to direct shear test failed at 
stress of 1.20 kg/cm2 when normal stress was 
1.60 kg/cm2. Determine: Angle of internal friction.

Deviator stress at which the failure will 
take place if a cylindrical sample of the same 
sand is subjected to tri-axial test with a cell 
pressure of 1 kg/cm2.

 

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