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Stabilization of expansive soils using Bigadiç zeolite (boron by-product)
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Date
2009
Author
Demirbaş, Güneş
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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 Bigadic zeolite (boron by-product) in reducing the swelling potential is examined. The expansive soil is prepared in the laboratory by mixturing kaolinite and bentonite. Bigadic zeolite (boron by-product) is 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 are determined. Specimens are cured for 7 and 28 days. As a result of the experimental study, it was seen that addition of Bigadic zeolite (boronby-product) decreased swelling potential and rate of swell of the artificially prepared expansive soil specimen at laboratory conditions. The swell percentage and rate of swell of the stabilized specimens are affected positively by curing.
Subject Keywords
Civil engineering.
,
Soil stabilization.
URI
http://etd.lib.metu.edu.tr/upload/12610671/index.pdf
https://hdl.handle.net/11511/18539
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Graduate School of Natural and Applied Sciences, Thesis
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G. Demirbaş, “Stabilization of expansive soils using Bigadiç zeolite (boron by-product),” M.S. - Master of Science, Middle East Technical University, 2009.
