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NTIS 바로가기Journal of the Korean Recycled Construction Resources Institute = 한국건설순환자원학회 논문집, v.6 no.1, 2018년, pp.25 - 35
전유빈 (울산과학기술원 도시환경공학부) , 김태완 (부산대학교 생산기술연구소) , 오재은 (울산과학기술원 도시환경공학부)
This study presents microstructural characteristics and strength properties of alkali-activated kaolin(K)-fly ash(FA) blends binders. The compressive strength, X-ray diffraction(XRD), thermogravimetric(TG) analysis and SEM/EDS were measured for hardened samples. The results were shown that all the s...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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시멘트의 문제점은 무엇인가? | 건설산업에서 시멘트는 콘크리트 제작 시 가장 중요한 성분 중의 하나이다. 하지만 시멘트는 1톤 생산 시 대략 1톤의 CO2를 대기 중으로 배출시킴에 따라, 온실 효과를 일으키는 데 영향을 미치는 것으로 알려져 있다(Rashad and Zeedan 2011; Slaty et al. 2013; Okoye et al. | |
플라이애시 및 슬래그와 같은 알칼리 활성화 결합재가 CO2배출을 저감시킬 수 있는 이유는 무엇인가? | 시멘트 대체재로 각광받고 있는 것은 플라이애시(fly ash) 및 고로슬래그미분말(ground granulated blast furnace slag) 등의 결합재(binder)를 강한 알칼리성의 액체와 반응시켜 경화시킨 알칼리 활성화 결합재(alkali activated binder)로 알려져 있다. 대표적인 결합재로 사용되는 플라이애시와 슬래그는 화력발전소와 제철소에서 각각 발생되는 산업부산물 로서 이미 태워진 재료임에 따라 CO2와 관련된 화합물을 함유하고 있지 않다. 이러한 결합재들 이외에도 메타카올린(metakaolin), 레드머드(red mud) 및 실리카퓸(silica fume) 등이 사용될 수 있다(Li et al. | |
시멘트의 대체재로 각광받는 것에는 어떤 것이 있는가? | 2015). 시멘트 대체재로 각광받고 있는 것은 플라이애시(fly ash) 및 고로슬래그미분말(ground granulated blast furnace slag) 등의 결합재(binder)를 강한 알칼리성의 액체와 반응시켜 경화시킨 알칼리 활성화 결합재(alkali activated binder)로 알려져 있다. 대표적인 결합재로 사용되는 플라이애시와 슬래그는 화력발전소와 제철소에서 각각 발생되는 산업부산물 로서 이미 태워진 재료임에 따라 CO2와 관련된 화합물을 함유하고 있지 않다. |
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