Two samples of a slightly over-consolidated clay were tested in triaxial compression, and the following data at

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Two samples of a slightly over-consolidated clay were tested in triaxial compression, and the following data at failure were obtained. The pre-consolidation stress for the clay was estimated from oedometer tests to be about 400 kPa.

(a) Determine the Skempton pore pressure parameter A at failure for both tests.

(b) Plot the Mohr circles at failure for both total and effective stresses.

Specimen Y (kPa) X (kPa) 75 265 750 (7) – 03)s 620 -5 +450 Aus

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An Introduction to Geotechnical Engineering

ISBN: 978-0132496346

2nd edition

Authors: Robert D. Holtz, William D. Kovacs, Thomas C. Sheahan

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Question Posted: Mar 06, 2018 09:05 AM

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Two samples of a slightly over-consolidated clay were tested in triaxial compression, and the following data at

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Specimen Y (kPa) X (kPa) 75 265 750 (7) – 03)s 620 -5 +450 Aus

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An Introduction to Geotechnical Engineering

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