Chapter
Apr 26, 2012
Influence of Lime Dosage on Stabilization Effectiveness of Montmorillonite Dominant Clays
Authors: Aravind Pedarla, Srinivas Chittoori, Anand J. Puppala, Laureano R. Hoyos, and Sireesh SarideAuthor Affiliations
Publication: GeoFlorida 2010: Advances in Analysis, Modeling & Design
Abstract
Lime treatment is a widely used method for stabilizing expansive soils. In certain types of clayey soils, the stabilization is ineffective, mainly due to the complex reactions of stabilizer with the Montmorillonite clay mineral (MM). Hence, a research study was conducted with an objective to understand the impacts of various lime dosage levels on the engineering performance of clays containing different amounts of montmorillonite mineral fraction. A series of experiments were carried out on three types of expansive clays stabilized with quick lime. These experiments included unconfined compressive strength and three dimensional volumetric swell strains on soil specimens subjected to durability studies. The higher the MM content of a soil, the treated soil has shown vulnerability to undergo premature failures. Results also showed that MM fraction has considerable influence on the stabilizing ability of the soil.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Aravind Pedarla
Graduate Research Assistant, Department of Civil Engineering, The University of Texas at Arlington, Texas.
Srinivas Chittoori
Geotechnical Engineer, Parsons Brinckerhoff Americas, Inc., Dallas, Texas
Anand J. Puppala
Professor, Department of Civil Engineering, The University of Texas at Arlington, Texas.
Laureano R. Hoyos
Associate Professor, Department of Civil Engineering, The University of Texas at Arlington, Texas.
Sireesh Saride
Post Doctoral Fellow, Department of Civil Engineering, The University of Texas at Arlington, Texas.
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