a) Estimate value of the parameters c and p of Mohr-Coulomb failure criterion b) Estimate the axial effective stress for a triaxial specimen of the same soil at compression failure. The effective confinement stress = 150kPa.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Question 3
From direct shear tests, we obtain the following data
Normal Force
Shear Force at Failure Area of Samples
Test
(N)
(N)
(cm?)
1
39.2
56.9
5.5x5.5
78.5
68.1
5.5x5.5
117.7
79.5
5.5x5.5
4
157.0
94.2
5.5x5.5
a)
Estimate value of the parameters c and p of Mohr-Coulomb failure
criterion
b)
Estimate the axial effective stress for a triaxial specimen of the same
soil at compression failure. The effective confinement stress =
150kPa.
2.
3.
Transcribed Image Text:Question 3 From direct shear tests, we obtain the following data Normal Force Shear Force at Failure Area of Samples Test (N) (N) (cm?) 1 39.2 56.9 5.5x5.5 78.5 68.1 5.5x5.5 117.7 79.5 5.5x5.5 4 157.0 94.2 5.5x5.5 a) Estimate value of the parameters c and p of Mohr-Coulomb failure criterion b) Estimate the axial effective stress for a triaxial specimen of the same soil at compression failure. The effective confinement stress = 150kPa. 2. 3.
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