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.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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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/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 = 250 KN/m², then
consolidated-undrained to o1 = 03 =
500 KN/m2, and sheared undrained (UU test). Find
the pore pressures generated during the undrained consolidation and shear, and the
undrained shear strength Su = (01 - 03)/2.
Transcribed Image Text: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 = 250 KN/m², then consolidated-undrained to o1 = 03 = 500 KN/m2, and sheared undrained (UU test). Find the pore pressures generated during the undrained consolidation and shear, and the undrained shear strength Su = (01 - 03)/2.
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