Please answer only part c Following are the results of two consolidated-drained triaxial tests on a clay:03 = 82.8 KN/m2; 01 (failure) = 329.2 KN/m²03 = 165.6 KN/m2; 01 (failure) = 558.6 KN/m²Test I:Test II:(a) Determine the shear strength parameters: c', '.(b) A specimen of the same clay is isotropically consolidated to o1 = 03 = 250 KN/m²,and then sheared undrained (CU test) until failure, which occurred at o1 = 700 KN/m².Find the pore pressures and the effective stresses at failure.(c) Another specimen is also isotropically consolidated to o1 = 03 = 250 KN/m², thenconsolidated-undrained to o1 = 03 =500 KN/m2, and sheared undrained (UU test). Findthe pore pressures generated during the undrained consolidation and shear, and theundrained shear strength Su = (01 - 03)/2.

We will use the formula 1) σ 1 = σ 3 tan ² α F + 2c tan α F 329.2 = 82.8tan²α F +2c tan α f ...(1)…

Following are the results of two consolidated-drained triaxial tests on a clay: 03 = 82.8 KN/m²; 01 (failure) = 329.2 KN/m² 03 = 165.6 KN/m2; 01 (failure) = 558.6 KN/m² Test I: Test II: (a) Determine the shear strength parameters: c', '. (b) A specimen of the same clay is isotropically consolidated to o1 = 03 = 250 KN/m², and then sheared undrained (CU test) until failure, which occurred at o1 = 700 KN/m2. Find the pore pressures and the effective stresses at failure. (c) Another specimen is also isotropically consolidated to o1 = 03 consolidated-undrained to o1 = 03 = 500 KN/m², and sheared undrained (UU test). Find = 250 KN/m², then the pore pressures generated during the undrained consolidation and shear, and the undrained shear strength Sy = (01 - 03)/2.

Following are the results of two consolidated-drained triaxial tests on a clay: 03 = 82.8 KN/m²; 01 (failure) = 329.2 KN/m² 03 = 165.6 KN/m2; 01 (failure) = 558.6 KN/m² Test I: Test II: (a) Determine the shear strength parameters: c', '. (b) A specimen of the same clay is isotropically consolidated to o1 = 03 = 250 KN/m², and then sheared undrained (CU test) until failure, which occurred at o1 = 700 KN/m2. Find the pore pressures and the effective stresses at failure. (c) Another specimen is also isotropically consolidated to o1 = 03 consolidated-undrained to o1 = 03 = 500 KN/m², and sheared undrained (UU test). Find = 250 KN/m², then the pore pressures generated during the undrained consolidation and shear, and the undrained shear strength Sy = (01 - 03)/2.

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 12.20P

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