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미생물 혼합 모르타르에 미치는 방해석 나노소재 석출의 영향
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  • 미생물 혼합 모르타르에 미치는 방해석 나노소재 석출의 영향
저자명
김성태,이창준,김화중,이준철,Kim. Sung-Tae,Lee. Chang-Joon,Kim. Wha-Jung,Lee. Jun-Cheol
간행물명
大韓建築學會論文集 : Journal of the architectural institute of Korea : Structure & construction / 構造系
권/호정보
2012년|28권 5호|pp.77-85 (9 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study mainly refers to the influence of micro-biologically induced mineral precipitation able to be used as innovative bio-nano technology on the mechanical performance of mortar. Newly selected microorganisms at Jeju Island and sporosarcina pasteurii remarked in the previous study were examined by applying their biomineralization to the mortar. Microorganism mixed mortar specimens were compared with each other and analysed. In this study, experimental groups, mortar specimens mixed with newly selected microorganims at the specific region, were superior control groups mixed with only 0.08% lime water in the compressive strength test and flexural strength test. At curing time passed, microorganism effected the increase of mortar strength and the rate of increase in the mortar compressive strength was decreased. This decrease is considered as reduction of biomineralization on which microorganism directly influenced because microorganism usually sporulates in poor environment like mortar environment. It was identified visually through SEM analysis that microorganism can make minerals. Mineral crystal and components were analysed through XRD and EDS analysis, finally it was demonstrated that biomineralization can improve mortar properties.