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EVALUATION STUDIES OF EXPANSIVE SOIL TREATED WITH ELECTROLYTES

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Author(s): KESAVA N K CHAITANYA G | Dr. G. V .R. PRASADA RAJU | Dr. K. RAMU

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 12;
Start page: 8298;
Date: 2011;
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Keywords: Expansive soils | Calcium Chloride | Potassium Chloride | Ferric Chloride

ABSTRACT
Expansive soils, such as black cotton soils, are basically susceptible to detrimental volumetric changes, with changes in moisture. This behavior of soil is attributed to the presence of mineral montmorillonite,which has an expanding lattice. In the present work, experimentation is carried-out to investigate theinfluence of strong electrolyte viz. potassium chloride, calcium chloride and ferric chloride on the properties of expansive soil. A methodical process, involving experimentation in the laboratory undercontrolled conditions is done. It is observed form the laboratory studies that maximum improvement in the properties of Expansive soil is for Ferric Chloride treatment compared to other electrolytes tried in this investigation.

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