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Control of shrinkage and swelling of expansive soils

Sivapullaiah, PV and Sridharan, A and Prashanth, JP (1998) Control of shrinkage and swelling of expansive soils. In: International Symposium on Problematic Soils (IS-TOHOKU'98), Oct 28-30, 1998, Sendai, Japan.

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Abstract

Fly ashes are used to improve the properties of expansive soils. The paper brings out the effect of two different fly ashes containig different lime contents on shrinkage and swelling behaviour of expansive Indian Black cotton soil. Since the specific gravities of the fly ashes are considerably different,Void ratio at shrinkage limit and % of swelling are used to describe the shrinkage and swell behaviour of soils. Both fly ashes increase the shrinkage void ratio and decrease the % swell of the soil. While high lime fly ash is more effective in increasing the shrinkage void ratio, low lime flyash is more effective in reducing the swelling. Lime content which causes floculation of soil particle, is responsible for the differences.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to A A Balkema.
Department/Centre: Others
Date Deposited: 15 Mar 2012 09:00
Last Modified: 15 Mar 2012 09:00
URI: http://eprints.iisc.ernet.in/id/eprint/43972

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