Sivakumar, V, Boyd, Jane, Black, J. A. and Glynn, D. (2009) The effects of anisotropy on the mechanical behaviour of unsaturated kaolin. In: Experimental Studies in Unsaturated Soils and Expansive Soils. Taylor & Francis Group, pp. 27-32. ISBN 978-0-415-80480-6 [Book section]
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The paper describes a detailed testing programme carried out in order to examine the effects of anisotropy on the behaviour of unsaturated soils. As part of the work presented, samples of unsaturated kaolin were prepared using isotropic compression. The suctions in these samples were reduced to predefined values by wetting under low isotropic loading. The pore size distributions, the pressure-volume relationships and yielding under subsequent isotropic loading and shear loading are compared with tests on samples prepared by statically compressing kaolin into a one-dimensional compaction mould. The shape of the LoadingCollapse (LC) yield locus, the normal compression lines, critical state lines are shown to be significantly influenced by the previous stress history and are shown to be different for isotropically and one-dimensionally prepared samples.
|Item Type:||Book section|
|Faculties and Schools:||Faculty of Art, Design and the Built Environment|
Faculty of Art, Design and the Built Environment > School of the Built Environment
|Research Institutes and Groups:||Built Environment Research Institute|
Built Environment Research Institute > Centre for Sustainable Technologies (CST)
|Deposited By:||Dr Jane Boyd|
|Deposited On:||03 Feb 2010 16:47|
|Last Modified:||03 Feb 2010 16:47|
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