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Critical Reappraisal of Colloidal Activity of Clays

Pandian, NS and Nagaraj, TS (1992) Critical Reappraisal of Colloidal Activity of Clays. In: Journal of Geotechnical and Geoenvironmental Engineering, 118 (1). p. 187.

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Soil properties and their behavior, apart from stress history, are influenced markedly by physicochemical characteristics of the constituent clay and nonclay minerals and their relative proportions. Atterberg limits and Skempton’s colloidal activity, which are simple quantitative parameters, reflect the composite effects of the soil constituents and their interactions with pore fluid. Micromechanistic interpretations of these parameters have been provided in this paper. It has been shown that, in general, the liquid limit of fine-grained soils reflects the physicochemical potential and that each of the factors of Skempton’s colloidal activity are interdependent. It has been illustrated that property correlations with colloidal activity, as well as with Atterberg limits, result in involved interrelationships due to the interdependence of the parameters.

Item Type: Editorials/Short Communications
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Publisher: American Society of Civil Engineers
Additional Information: Copyright of this article belongs to American Society of Civil Engineers.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 25 Jan 2011 05:51
Last Modified: 25 Jan 2011 05:51
URI: http://eprints.iisc.ac.in/id/eprint/35152

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