». Consolidated undrained triaxial tests are perform remoulded clay with pore pressure measurements. The observations are recorded in the table below: Test No. 1 2 Consolidation Pressure (kPa) 250 350 Cell pressure at failure (kPa) 250 350 Deviator stress at failure (kPa) 179 242 Pore pressure at failure (kPa) 101 145 Determine the values of the shear strength parameters, cohesion and friction, for the clay both in terms of total and effective stresses. If in the consolidated undrained test, an identical specimen is first consolidated under a cell pressure of 400 kPa, what would be the deviator stress at failure?
». Consolidated undrained triaxial tests are perform remoulded clay with pore pressure measurements. The observations are recorded in the table below: Test No. 1 2 Consolidation Pressure (kPa) 250 350 Cell pressure at failure (kPa) 250 350 Deviator stress at failure (kPa) 179 242 Pore pressure at failure (kPa) 101 145 Determine the values of the shear strength parameters, cohesion and friction, for the clay both in terms of total and effective stresses. If in the consolidated undrained test, an identical specimen is first consolidated under a cell pressure of 400 kPa, what would be the deviator stress at failure?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:6. Consolidated undrained triaxial tests are performed on two identical specimens of saturated,
remoulded clay with pore pressure measurements. The observations are recorded in the table
below:
Test No.
1
2
Consolidation
Pressure (kPa)
250
350
Cell pressure at
failure (kPa)
250
350
Deviator stress
at failure (kPa)
179
242
Pore pressure at
failure (kPa)
101
145
Determine the values of the shear strength parameters, cohesion and friction, for the clay both
in terms of total and effective stresses. If in the consolidated undrained test, an identical
specimen is first consolidated under a cell pressure of 400 kPa, what would be the deviator
stress at failure?
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