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Effect of Microbial Treatment Methods on Biogrout  

Kim, Daehyeon (조선대학교 토목공학과)
Park, Kyungho (조선대학교 토목공학과)
Kim, Hochul (조선대학교 토목공학과)
Lee, Yonghee (한수원중앙연구원)
Publication Information
Journal of the Korean GEO-environmental Society / v.13, no.5, 2012 , pp. 51-57 More about this Journal
Abstract
The purpose of study is to understand the possibility of biogrout of soil induced by bacteria. Microbial Calcium Carbonate Precipitation(MCP) has been analysed using the microorganism Bacillus Pasteurii. In order to understand the biogrout of soft ground treated with microbial calcium carbonate precipitation, four types of specimens(sterilization soil, non-sterilization soil, reaction solution and microorganism solution with pre-treatment mix and reaction solution and microorganism solution with post-treatment mix) were made. Scanning Electron Microscope(SEM), EDX and X-ray diffraction(XRD) analyses were performed on the soft ground specimens. On the basis of the preliminary results, it appears that microbial treatment methods using calcium carbonate precipitation may be possible to improve property of biogrout.
Keywords
Biogrout; Microbial Calcium carbonate precipitation; Scanning electron microscope; X-ray diffraction;
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