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자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第24卷 第3號
발행연도
2008.3
수록면
103 - 110 (8page)

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초록· 키워드

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Among the factors of concrete deterioration, water infiltration accelerates early deterioration caused by the deterioration factors mentioned above. The watertightness of concrete is improved through the use of various binders and expansive admixtures as well as special types of cement designed for high durability.
Recently, aiming at high waterproofness and durability, research is being made on waterproof admixtures that can be added before the placement of ready-mixed concrete and increase the waterproofness of the concrete and such waterproof admixtures emphasize the effect of high waterproof performance through improvement in the density of fire pore in concrete. However, because they are added to unhardened concrete, they may affect the physical properties of the concrete and there have been few researches on the characteristics of waterproof admixtures.
In order to measure waterproofness in the use of waterproof admixtures, the present study examined resistanceto water infiltration through the addition of admixtures based on basic physical properties, and for this we conducted permeability tests using forced pressure according to the age of specimen and experiment on resistance to water absorption in the open air according to curing condition.
According to the results of this study, waterproofness resulting from the addition of waterproof materials was determined by the initial age and it was found that the curing condition of specimens affects resistance to water infiltration. Also, in comparison with specimens without waterproof admixture, specimens containing waterproof admixture showed improvement in water resistance by around 30% in each condition.

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Abstract
1. 서론
2. 수밀성능 증진용 혼화제의 이론적 고찰
3. 실험계획
4. 실험 결과 및 고찰
5. 결론
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