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Q6): The effective shear strength equation of a saturated clayey soil can be as S=25+ o tan 30. In undrained test on a sample of the same soil using the Shear box apparatus the following data at failure were recorded: shear Stress=90 kPa and normal stress = 180 kPa. a): what was the pore water pressure in the specimen at the time of failure? b): Find the undrained compressive strength for the same soil when tested in unconfined compression test. c): Find the major principal stress when tested in UU test with confining pressure of 200 kPa.

Q6): The effective shear strength equation of a saturated clayey soil can be as S=25+ o tan 30. In undrained test on a sample of the same soil using the Shear box apparatus the following data at failure were recorded: shear Stress=90 kPa and normal stress = 180 kPa. a): what was the pore water pressure in the specimen at the time of failure? b): Find the undrained compressive strength for the same soil when tested in unconfined compression test. c): Find the major principal stress when tested in UU test with confining pressure of 200 kPa.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Shear Strentgh of the soil 2009
Q6): The effective shear strength equation of a saturated clayey soil can be as S=25+ o tan 30. In undrained test on a sample of the same soil using the Shear box apparatus the following data at failure were recorded: shear Stress=90 kPa and normal stress = 180 kPa. a): what was the pore water pressure in the specimen at the time of failure? b): Find the undrained compressive strength for the same soil when tested in unconfined compression test. c): Find the major principal stress when tested in UU test with confining pressure of 200 kPa. 41
Transcribed Image Text:Q6): The effective shear strength equation of a saturated clayey soil can be as S=25+ o tan 30. In undrained test on a sample of the same soil using the Shear box apparatus the following data at failure were recorded: shear Stress=90 kPa and normal stress = 180 kPa. a): what was the pore water pressure in the specimen at the time of failure? b): Find the undrained compressive strength for the same soil when tested in unconfined compression test. c): Find the major principal stress when tested in UU test with confining pressure of 200 kPa. 41
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