were obtained at the peak in a series of CU tests with constant cell pressure (isotropic) for a given soil. Cell Pressure (σc, kPa) Axial Stress at Failure (σd, kPa) Pore Pressure (Δu, kPa) 100 260 30 200 450 60 a) draw the effective stress path using p-q diagram of each test.

were obtained at the peak in a series of CU tests with constant cell pressure (isotropic) for a given soil. Cell Pressure (σc, kPa) Axial Stress at Failure (σd, kPa) Pore Pressure (Δu, kPa) 100 260 30 200 450 60 a) draw the effective stress path using p-q diagram of each test.

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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Question

The results shown in the following table were obtained at the peak in a series of CU tests with constant cell pressure (isotropic) for a given soil.

Cell Pressure (σ_c, kPa)	Axial Stress at Failure (σ_d, kPa)	Pore Pressure (Δu, kPa)
100	260	30
200	450	60

a) draw the effective stress path using p-q diagram of each test.

b) draw s-t stress paths (effective) and determine the shear strength parametres (Φ', c') using K_f - line.

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