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Compressibility behaviour of remoulded, fine-grained soils and correlation with index properties

Sridharan, A and Nagaraj, HB (2000) Compressibility behaviour of remoulded, fine-grained soils and correlation with index properties. In: Canadian Geotechnical Journal, 37 (3). pp. 712-722.


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Correlating engineering properties with index properties has assumed greater significance in the recent past in the field of geotechnical engineering. Although attempts have been made in the past to correlate compressibility with various index properties individually, all the properties affecting compressibility behaviour have not been considered together in any single study to examine which index property of the soil correlates best with compressibility behaviour, especially within a set of test results. In the present study, 10 soils covering a sufficiently wide range of liquid limit, plastic limit, and shrinkage limit were selected and conventional consolidation tests were carried out starting with their initial water contents almost equal to their respective liquid limits. The compressibility behaviour is vastly different for pairs of soils having nearly the same liquid limit, but different plasticity characteristics. The relationship between void ratio and consolidation pressure is more closely related to the shrinkage index (shrinkage index = liquid limit - shrinkage limit) than to the plasticity index. Wide variations are seen with the liquid limit. For the soils investigated, the compression index relates better with the shrinkage index than with the plasticity index or liquid limit.

Item Type: Journal Article
Publication: Canadian Geotechnical Journal
Publisher: NATL Research Council Canada
Additional Information: Copyright of this article belongs to National Research Council Canada
Keywords: Atterberg limits;classification;clays;compressibility;laboratory tests
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 07 Sep 2004
Last Modified: 19 Sep 2010 04:15
URI: http://eprints.iisc.ac.in/id/eprint/1776

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