The test data shown in table Q.4 were obtained in a series of consolidated undrained triaxial tests to faillure on fully saturated soil specimens: Test Number 2. 3. Cell Pressure (kN/m) 350 500 650 Deviator Stress at 90 180 260 Failure (kN/m2) Pore Water Pressure 279 361 430 at Failure (kN/m²) Table Q.4 (a) Determine the value of the shear strength parameters C' and Ø' (b) Determine the value of the shear strength parameters C and 0. (c) A fourth specimen of the same soil was consolidated to an effective stress of 100kPa. Calculate the shear strength of this specimen and estimate the deviator stress at failure.

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 12.18P
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The test data shown in table Q.4 were obtained in a series of consolidated undrained
triaxial tests to failure on fully saturated soil specimens:
Test
Number
2.
3.
Cell Pressure (kN/m2)
350
500
650
Deviator Stress at
90
180
260
Failure (kN/m)
Pore Water Pressure
279
361
430
at Failure (kN/m?)
Table Q.4
(a) Determine the value of the shear strength parameters C' and Ø
(b) Determine the value of the shear strength parameters C and 0.
(c) A fourth specimen of the same soil was consolidated to an effective stress
of 100kPa. Calculate the shear strength of this specimen and estimate the
deviator stress at failure.
Transcribed Image Text:The test data shown in table Q.4 were obtained in a series of consolidated undrained triaxial tests to failure on fully saturated soil specimens: Test Number 2. 3. Cell Pressure (kN/m2) 350 500 650 Deviator Stress at 90 180 260 Failure (kN/m) Pore Water Pressure 279 361 430 at Failure (kN/m?) Table Q.4 (a) Determine the value of the shear strength parameters C' and Ø (b) Determine the value of the shear strength parameters C and 0. (c) A fourth specimen of the same soil was consolidated to an effective stress of 100kPa. Calculate the shear strength of this specimen and estimate the deviator stress at failure.
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