(b) Table Q2(b) shows the results obtained from a series of CU triaxial tests on saturated samples of clay. Based on the data; (i) Calculate the effective shear strength parameters (c' and o') and plot the Mohr- Coulomb failure envelope.

(b) Table Q2(b) shows the results obtained from a series of CU triaxial tests on saturated samples of clay. Based on the data; (i) Calculate the effective shear strength parameters (c' and o') and plot the Mohr- Coulomb failure envelope.

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

(b)
Table Q2(b) shows the results obtained from a series of CU triaxial tests on saturated
samples of clay. Based on the data;
(i)
Calculate the effective shear strength parameters (c' and o') and plot the Mohr-
Coulomb failure envelope.

Table Q2 (b): CU Triaxial results
Test number
1
3
Confining Pressure (kPa)
Deviatoric stress (kPa)
Pore water pressure at failure (kPa)
40
80
120
110
190
240
20
15
35

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