GATE CE 2015 Set 2 — Question 50
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Geotechnical Engineering → Shear Strength of Soils → Shear Strength Parameters
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Question
Stress path equation for tri-axial test upon application of deviatoric stress is, . The respective values of cohesion, (in kPa) and angle of internal friction, are:
Correct answer
(B) 20 and 30^
Solution
In the stress space for a triaxial test, where and , the failure envelope is given by:
Comparing this with the given equation :
Thus, and .
Comparing this with the given equation :
1.Find :
2.Find :
Thus, and .
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