Stabilization of Expansive Soils by Using Aggregate Waste, Rock Powder and Lime

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2004

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Yeşilbaş, Gülşah

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Expansive soils are a worldwide problem that poses several challenges for civil engineers. Such soils swell when given an access to water and shrink when they dry out. The most common and economical method for stabilizing these soils is using admixtures that prevent volume changes. In this study the effect of using rock powder and aggregate waste with lime in reducing the swelling potential is examined. The expansive soil used in this study is prepared in the laboratory by mixturing kaolinite and bentonite. Lime was added to the soil at 0 to 9 percent by weight. Aggregate waste and rock powder were added to the soil at 0 to 25 percent by weight. Grain size distribution, Atterberg limits and swell percent and rate of swell of the mixtures were determined. Specimens were cured for 7 and 28 days. This method of treatment caused a reduction in the swelling potential and the reduction was increased with increasing percent stabilizers.

Subject Keywords

Engineering geology.

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http://etd.lib.metu.edu.tr/upload/12604950/index.pdf
https://hdl.handle.net/11511/14177

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

G. Yeşilbaş, “Stabilization of Expansive Soils by Using Aggregate Waste, Rock Powder and Lime,” M.S. - Master of Science, Middle East Technical University, 2004.