The effective internal friction angle of a normal compacted clay is 33°, the triaxial test of this clay specimen is carried out, and the applied confining pressure is 115 kN/m2. (1) If the compaction undrained test is carried out, the axial differential stress at failure is 102 kN/m2, and the water pressure in the clay test body at failure is determined. (2) If the compaction drainage test is carried out, the applied confining pressure is still 115 kN/m2, and the axial difference stress at the time of failure is determined.
The effective internal friction angle of a normal compacted clay is 33°, the triaxial test of this clay specimen is carried out, and the applied confining pressure is 115 kN/m2. (1) If the compaction undrained test is carried out, the axial differential stress at failure is 102 kN/m2, and the water pressure in the clay test body at failure is determined. (2) If the compaction drainage test is carried out, the applied confining pressure is still 115 kN/m2, and the axial difference stress at the time of failure is determined.
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 12.19P
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The effective internal friction angle of a normal compacted clay is 33°, the triaxial test of this clay specimen is carried out, and the applied confining pressure is 115 kN/m2. (1) If the compaction undrained test is carried out, the axial differential stress at failure is 102 kN/m2, and the water pressure in the clay test body at failure is determined. (2) If the compaction drainage test is carried out, the applied confining pressure is still 115 kN/m2, and the axial difference stress at the time of failure is determined.
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