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Stabilization of expansive clays using granulated blast furnace slag(gbfs), gbfs-lime combinations and gbfs cement
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Date
2004
Author
Yazıcı, Veysel
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Expansive clays undergo a large swell when they are subjected to water. Thus, expansive clay is one of the most abundant problems faced in geotechnical engineering applications. It causes heavy damages in structures, especially in water conveyance canals, lined reservoirs, highways, airport runways etc., unless appropriate measures are taken. In this thesis, Granulated Blast Furnace Slag (GBFS), GBFS - Lime combinations and GBFS Cement (GBFSC) were utilized to overcome or to limit the expansion of an artificially prepared expansive soil sample (Sample A). GBFS and GBFSC were added to Sample A in proportions of 5 to 25 percent. Different GBFS-Lime combinations were added to Sample A by keeping the total addition at 15 percent. Effect of stabilizers on grain size distribution, Atterberg limits, swelling percentage and rate of swell of soil samples were determined. Effect of curing on swelling percentage and rate of swell of soil samples were also determined. Leachate analysis of GBFS, GBFSC and samples stabilized by 25 percent GBFS and GBFSC was performed. Use of stabilizers successfully decreased the amount of swell while increasing the rate of swell. Curing samples for 7 and 28 days resulted in less swell percentages and higher rate of swell.
Subject Keywords
Engineering geology.
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http://etd.lib.metu.edu.tr/upload/12604946/index.pdf
https://hdl.handle.net/11511/14188
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Graduate School of Natural and Applied Sciences, Thesis
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V. Yazıcı, “Stabilization of expansive clays using granulated blast furnace slag(gbfs), gbfs-lime combinations and gbfs cement,” M.S. - Master of Science, Middle East Technical University, 2004.
