Consolidated undrained triaxial tests are performed on two identical specimens of saturated, remolded clay with pore pressure measurements. The observations are recorded in the table below: Cell pressure at Deviator Stress Pore Pressure at failure (K Pa) Test No Consolidation Pressure (K Pa) at Failure (K Pa) failure (K Pa) 1 250 250 175 100 2 350 350 240 145 Determine the values of the shear strength parameters, cohesion ad friction, for the clay both terms of total and effective stresses. If in consolidation undrained test, an identical specimen is first consolidated under a cell pressure of 400 K Pa, what would be the deviator stress at failure?

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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NOTE: For any required additional data (i.e., table/figure) please refer to the textbook (Das, B. M.
PRINCIPLES OF GEOTECHNICAL ENGINEERING 9TH ED.)
Consolidated undrained triaxial tests are performed on two identical specimens of saturated,
remolded clay with pore pressure measurements. The observations are recorded in the table below:
Cell pressure at Deviator Stress Pore Pressure at
failure (K Pa)
Test No
Consolidation
Pressure (K Pa)
at Failure (K Pa) failure (K Pa)
1
250
250
175
100
2
350
350
240
145
Determine the values of the shear strength parameters, cohesion ad friction, for the clay both in
terms of total and effective stresses.
If in consolidation undrained test, an identical specimen is first consolidated under a cell pressure
of 400 K Pa, what would be the deviator stress at failure?
Transcribed Image Text:NOTE: For any required additional data (i.e., table/figure) please refer to the textbook (Das, B. M. PRINCIPLES OF GEOTECHNICAL ENGINEERING 9TH ED.) Consolidated undrained triaxial tests are performed on two identical specimens of saturated, remolded clay with pore pressure measurements. The observations are recorded in the table below: Cell pressure at Deviator Stress Pore Pressure at failure (K Pa) Test No Consolidation Pressure (K Pa) at Failure (K Pa) failure (K Pa) 1 250 250 175 100 2 350 350 240 145 Determine the values of the shear strength parameters, cohesion ad friction, for the clay both in terms of total and effective stresses. If in consolidation undrained test, an identical specimen is first consolidated under a cell pressure of 400 K Pa, what would be the deviator stress at failure?
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