A sample of saturated clay, taken from a depth of 5 m, was tested in a conventional oedometer. The table below gives the vertical effective stress and the corresponding thickness recorded during the test. The water content at the end of the test was 40% and the initial height was 20 mm. (a) Plot a graph of void ratio versus ??′(log scale). (b) Determine ?? and ??. (c) Determine ?? between ??′ = 400 kPa and ??′ = 500 kPa. (d) Determine ???′ using Casagrande’s method.

A sample of saturated clay, taken from a depth of 5 m, was tested in a conventional oedometer. The table below gives the vertical effective stress and the corresponding thickness recorded during the test. The water content at the end of the test was 40% and the initial height was 20 mm. (a) Plot a graph of void ratio versus ??′(log scale). (b) Determine ?? and ??. (c) Determine ?? between ??′ = 400 kPa and ??′ = 500 kPa. (d) Determine ???′ using Casagrande’s method.

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 12.9P

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