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NTIS 바로가기한국미생물·생명공학회지 = Korean journal of microbiology and biotechnology, v.40 no.3, 2012년, pp.169 - 179
Microbiological calcium carbonate precipitation (MCCP) is being applied for the aesthetic restoration of cement buildings destroyed by biochemical processes and to block water penetration into the cement's inner structure. After determining the advantages of this technique, many related studies in t...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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대기 중에 노출된 시멘트 건축물 표면은 어떠한 문제점이 있는가? | 대기 중에 노출된 시멘트 건축물 표면은 물리·화학적 혹은 생물학적 풍화 침식으로 인해 미세균열이 빈번히 발생할수 있다. 그 균열부위로 침투한 수분 및 화학물질들에 인해 건축구조물은 내구성에 치명적인 영향을 받게 된다[25, 26, 46, 48, 49]. 시멘트 표면 미세공극구조로 수분과 화학물질 (염, 황) 침투가 빈번해지고, 그로 인해 시멘트 구조물 내 일정수준 존재하는 미세공극체계가 침투한 수분 및 화학물질에 의해 연쇄적으로 확장된다[25]. | |
미생물에 의한 탄산칼슘침전은 건축에서 어떤 목적으로 응용되어 왔는가? | 미생물에 의한 탄산칼슘침전은 생물 화학적으로 풍화, 침식된 시멘트 건축구조물 표면의 미학적 복원 및 수분침투 방지를 목적으로 응용되었다. 이 기술의 두드러진 장점이 보고된 후 유럽과 미국을 중심으로 미생물을 이용한 건축공학적 응용가능성에 대한 연구가 활발히 이루어져 왔다. | |
건축 공학 분야에서 미생물에 의한 탄산칼슘침전으로 얻은 소재의 장점은 무엇인가? | 이 기술의 두드러진 장점이 보고된 후 유럽과 미국을 중심으로 미생물을 이용한 건축공학적 응용가능성에 대한 연구가 활발히 이루어져 왔다. 견고하고 원재료와의 호환성이 뛰어난 이 기술은 다양한 탄산칼슘형성세균의 선별 또는 배양 및 적용방법의 개발로 그 관심이 촉발되었다. 본 총설의 목적은 친환경적 건축소재에 대한 관심이 높아지고 그 필요성이 대두되고 있는 현 시점에서 미생물 탄산칼슘형성 매카니즘과 그 관련 기술들을 검토해 보고자 한다. |
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