Consolidation Behavior of Bentonite in Electrolyte Solutions

Sivapullaiah, PV and Savitha, S (2000) Consolidation Behavior of Bentonite in Electrolyte Solutions. In: Journal of Testing and Evaluation, 28 (6). pp. 519-525.

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Abstract

Volume change behavior of clays in different pore fluids is very important in their use as compacted clay liners for landfills. The present study brings out the variations in the consolidation behavior of bentonite compacted at Proctor’s optimum conditions in different electrolyte solutions. Qualitatively the behavior can be explained using diffuse double layer theory. Existing methods to calculate theoretically e-log p curves based on this theory have been referred to the theoretical curves that agree closely with experimental curves. Clay properties, which are critical in the theoretical prediction of the curves, have been identified. However, the effect of potassium ions, which link bentonite clay particles, cannot be assessed by diffuse double layer theory.

Item Type:	Journal Article
Publication:	Journal of Testing and Evaluation
Publisher:	ASTM International
Additional Information:	Copyright of this article belongs to ASTM International.
Keywords:	bentonite, clay, consolidation, double layer theory, electrolytes.
Department/Centre:	Division of Mechanical Sciences > Civil Engineering
Date Deposited:	01 Jun 2009 10:43
Last Modified:	19 Sep 2010 04:53
URI:	http://eprints.iisc.ac.in/id/eprint/16728

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