2) Table 1 contains data obtained from consolidated undrained tests on soft clay. You need to determine the shear strength parameters in term of total stress and effective stress. A different specimen of the same soil is also tested in undrained triaxial compression at a cell pressure of 150 kN/m2, and fails when the deviator stress is 75 kN/m2. Calculate the pore pressure in the specimen failure. In your opinion, what is the differences between total stress and effective stress? Table 1 Result from consolidated undrained tests Cell pressure during consolidation and shear (kN/m²) At failure Pore water pressure (kN/m²) Deviator stress |(kN/m³) 200 120 120 400 250 240 800 480 460

2) Table 1 contains data obtained from consolidated undrained tests on soft clay. You need to determine the shear strength parameters in term of total stress and effective stress. A different specimen of the same soil is also tested in undrained triaxial compression at a cell pressure of 150 kN/m2, and fails when the deviator stress is 75 kN/m2. Calculate the pore pressure in the specimen failure. In your opinion, what is the differences between total stress and effective stress? Table 1 Result from consolidated undrained tests Cell pressure during consolidation and shear (kN/m²) At failure Pore water pressure (kN/m²) Deviator stress |(kN/m³) 200 120 120 400 250 240 800 480 460

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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Concept explainers

Test for Determination of Shear Strength

The term shear strength is often associated with the soil. Shear strength is defined as the resistance to the deformation of soil particles due to the continuous action of shear stress. In short, shear strength is the maximum shear stress that a soil can sustain.

Question

2) Table 1 contains data obtained from consolidated undrained tests on soft clay. You need to
determine the shear strength parameters in term of total stress and effective stress. A different
specimen of the same soil is also tested in undrained triaxial compression at a cell pressure of
150 kN/m2, and fails when the deviator stress is 75 kN/m2. Calculate the pore pressure in the
specimen failure. In your opinion, what is the differences between total stress and effective
stress?
Table 1 Result from consolidated undrained tests
Cell pressure during consolidation
and shear (kN/m?)
At failure
Pore water pressure
(kN/m²)
Deviator stress
(kN/m²)
200
120
120
400
250
240
800
480
460

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