Three consolidated-undrained tri-axial tests were performed on samples retrieved from a 4 meter thick layer of saturated clay layer (ysat=20.7 kN/cubic meter. The top of the clay and the water level are at the ground surface. The results of these three tests are summarized in the following table: Test Chamber Pressure, o3 Deviator Stress, Aod Pore Pressure@Failure AU, (kN/sq m) (kN/sq m) (kN/sq m) 166 1) 2) 3) a. Determine graphically the Mohr-Coulomb shear strength parameters c' (in kN/sq m) and o' 75 -12 150 295 -53 350 410 -81

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
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Chapter12: Shear Strength Of Soil
Section: Chapter Questions
Problem 12.6P
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Three consolidated-undrained tri-axial tests were performed on samples
retrieved from a 4 meter thick layer of saturated clay layer (ysat=20.7
kN/cubic meter. The top of the clay and the water level are at the ground
surface. The results of these three tests are summarized in the following
table:
Test Chamber Pressure, o3 Deviator Stress, Aod Pore Pressure@Failure
AU, (kN/sq m)
-12
(kN/sq m)
(kN/sq m)
166
1)
2)
3)
75
150
295
-53
350
410
-81
a. Determine graphically the Mohr-Coulomb shear strength
parameters c' (in kN/sq m) and o'
Transcribed Image Text:Three consolidated-undrained tri-axial tests were performed on samples retrieved from a 4 meter thick layer of saturated clay layer (ysat=20.7 kN/cubic meter. The top of the clay and the water level are at the ground surface. The results of these three tests are summarized in the following table: Test Chamber Pressure, o3 Deviator Stress, Aod Pore Pressure@Failure AU, (kN/sq m) -12 (kN/sq m) (kN/sq m) 166 1) 2) 3) 75 150 295 -53 350 410 -81 a. Determine graphically the Mohr-Coulomb shear strength parameters c' (in kN/sq m) and o'
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