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논문 기본 정보

자료유형
학술저널
저자정보
박선규 (목원대학교) 김윤미 (한밭대학교) 이상수 (한밭대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第30卷 第5號
발행연도
2014.5
수록면
89 - 96 (8page)

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초록· 키워드

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Cement is an important construction materials in the world. However, cement industry the emit carbon dioxide(CO₂) which is a byproduct of a chemical conversion process used in the production of clinker into the atmosphere. Also, carbon dioxide is also emitted during cement production by fossil fuel combustion. There has been a lot of research in order to protect the global environment and to reduce the consumption of cement.
This experimental study is purposed to analyze the effect of alkali activator on strength development in order to develop non portland cement concrete using waste resources(paper sludge ash, blast furnace slag and red mud). Various specimens were prepared with water binder ratios and replacement of red mud of alkali activator. The physical properties of these specimens were then investigated by compressive strength and flexural test, energy dispersive spectroscopy(EDS) and observation of micro-structures using scanning electron microscope(SEM).
As a results, we find that compressive flexural strength increased with the addition ratios of red mud, but those strengths decreased reversely when addition ratio of some alkali activator were higher. In the EDS of matrix, the calcium hydroxide was possible to quantitative analysis in accordance with water binder ratios and replacement of red mud of alkali activator respectively. The observation result of SEM image, it was shown calcium hydroxide, C-S-H gel etc.. It was judged that results of hydrate analysis of non potland cement matrix binder with kind of water binder ratios and replacement of red mud of alkali activator were useful to basic data for mixtures design and evaluation properties of non portland cement matrix concrete.

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Abstract
1. 서론
2. 실험계획
3. 실험결과 및 분석
4. 결론
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