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http://dx.doi.org/10.5389/KSAE.2012.54.6.159

The Strength Properties of Cement-Bentonite Soil Mixtures with Geosynthetics and Metakaolin  

Lee, Jae-Deuk (강원대학교 대학원 지역건설공학과)
Yeon, Kyu-Seok (강원대학교 지역건설공학과)
Kim, Kwang-Woo (강원대학교 지역건설공학과)
Kim, Yong Seong (강원대학교 지역건설공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.54, no.6, 2012 , pp. 159-167 More about this Journal
Abstract
In the present study, an investigation has been made on the application of cement-bentonite soil mixtures as the countermeasure against leachate produced by buried animal carcasses. For this purpose, the strength characteristics of the cement-bentonite soil mixtures mixed with geotextile and metakaolin. After the mixtures with different contents of the cement (0 %, 10 %), bentonite (0 %, 5 %, 10 %, 15 %, 20 %), and weathered soil (100 %, 95 %, 90 %, 85 %, 80 %) were prepared, metakaolin and geotextile were added with different contents (metakaolin : 0 %, 5 %, 10 %, 15 %, 20 % of the cement weight; geotextile : 0 %, 0.5 %, 1 %, 1.5 %, 2 %). Experimental results suggested that the early strength of the mixture increases due to the pore filling, the hydration acceleration, and the pozzolan reaction when metakaolin of 5~10 % of the cement weight was added. In addition, the compressive strength increase when 0.5~1 % geotextile contents were added, and the above these contents, the rate of strength increase was gradually decreased because of the fibrous tangles.
Keywords
Bentonite; cement; fiber; metakaolin; compressive strength;
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Times Cited By KSCI : 2  (Citation Analysis)
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