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NTIS 바로가기한국구조물진단유지관리공학회 논문집 = Journal of the Korea Institute for Structural Maintenance and Inspection, v.20 no.3, 2016년, pp.66 - 74
김태완 (부산대학교 생산기술연구소) , 전재우 (부산대학교 토목공학과) , 서민아 (부산대학교 토목공학과) , 조현형 (부산대학교 토목공학과) , 배수연 (부산대학교 토목공학과)
The aim of this research work is to investigate the mix proportion of multi-component cement incorporating ground granulated blast furnace(GGBFS), fly ash(FA) and silica fume(SF) as an addition to cement in ternary and quaternary combinations. The water-binder ratio was 0.45. In this study, 50% and ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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다성분계 혼합 시멘트의 배합에 주로 사용되는 성분은? | 지금까지의 다성분계 시멘트는 기존의 다양한 산업부산물을 OPC와 배합하여 그 특성을 파악하고 개선하는 연구가 시작되고 있다. 다성분계 혼합 시멘트의 배합에 사용되는 주요 재료로는 고로 슬래그 미분말(ground granulated blast furnace slag; GGBFS), 플라이 애시(fly ash; FA), 실리카 퓸(silica fume; SF), 바텀애시(bottom ash), 메타카올린(metakaolin), 소성점토(burned clay)(Hassan et al., 2014), 페로니켈 슬래그(ferronikel slag)(Lemonis et al., 2015) 등 다양한 혼화재료가 사용되고 있다. 이러한 재료를 혼합한 다성분계 혼합 시멘트는 각각의 혼화재에 의한 충전효과와 상호보완효과 등으로 인해 다양한 장점이 있는 것으로 알려지고 있다. | |
혼화재료를 혼합한 다성분계 혼합 시멘트의 각각의 장점은 무엇이 있는가? | 이러한 재료를 혼합한 다성분계 혼합 시멘트는 각각의 혼화재에 의한 충전효과와 상호보완효과 등으로 인해 다양한 장점이 있는 것으로 알려지고 있다. 다성분계 혼합시멘트는 염해내구성 증가(Jones et al., 1997; Ahmed et al., 2008; Song et al., 2008), 황산염 저항성(Goni et al., 2014; Kim et al., 2012) 증가 및 알칼리 실리카 반응(alkali-silica reacting; ASR) 억제(Moser et al., 2010; Kandasamy and Shehata, 2014), 내구성(Kandasamy and Shehata, 2014; Güneyisi et al., 2010; Ahn et al., 2013) 등이 우수하다는 연구결과가 지금까지의 국내외 선행연구를 통해 알려져 있다. 또한 기존의 보통 콘크리트에서 고강도 콘크리트(Erdem and Kırca, 2008; Park et al. | |
다성분계 혼합시멘트 사용은 어떻게 인식되고 있는가? | 최근 친환경 콘크리트에 관한 연구가 국내외에서 활발히 연구되고 있다. 그 중에서도 다성분계 혼합시멘트(multi-component cement; MCC)는 보통 포틀랜드 시멘트(ordinary Portland cement; OPC)의 사용량을 줄이고, 산업부산물의 재활용을 통해 콘크리트의 성능향상을 함께 고려할 수 있는 방법으로 인식되고 있다. 특히 OPC의 제조시 발생되는 다량의 이산화탄소와 같은 온실가스의 감소와 높은 에너지의 소비를 줄이는 친환경적인 시멘트의 개발을 위해 다성분계 혼합시멘트에 관한 연구가 해외를 중심으로 활발해지고 있다(Gao et al. |
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