A soil has unconfined compressive strength of 120 kN/m2. In a triaxial compression test, a specimen of the same soil when subjected to a chamber pressure of 40 kN/m2 failed at an additional stress of 160 kN/m2. Determine: a) The cohesion of the soil in kPa b) The angle made by the failure plane with the axial stress in the triaxial test c) the angle of internal friction
A soil has unconfined compressive strength of 120 kN/m2. In a triaxial compression test, a specimen of the same soil when subjected to a chamber pressure of 40 kN/m2 failed at an additional stress of 160 kN/m2. Determine: a) The cohesion of the soil in kPa b) The angle made by the failure plane with the axial stress in the triaxial test c) the angle of internal friction
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter12: Shear Strength Of Soil
Section: Chapter Questions
Problem 12.18P
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A soil has unconfined compressive strength of 120 kN/m2. In a triaxial compression test, a specimen of the same soil when subjected to a chamber pressure of 40 kN/m2 failed at an additional stress of 160 kN/m2.
Determine:
a) The cohesion of the soil in kPa
b) The angle made by the failure plane with the axial stress in the triaxial test
c) the angle of internal friction
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