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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.5
- 수록면
- 53 - 60 (8page)
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초록· 키워드
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In this study, expedite curing period at curing temperature being 40, 60, 80℃ similar to strength of standard 28days curing temperature to confirm methods and applicability of early estimation of strength by warm water curing.
Also, checked the effect related to different conditions such as using various kinds of material, differentiating quantity of material, with or without fiber mixing at same rate of water-bonding material. Existing method proposed by KS and JIS to estimate strength of 28 days standard curing temperature curing for 7days at 40℃ is not relevant because it takes so long to estimate strength. Already known method of estimating strength of 28days standard curing temperature curing for 3days in 60℃ warm water, too, is not relevant to apply 3day cycle of super high-rise. It also had the problem which didn’t consider fiber mixed concrete. According to the result of experiment, traits and rate of strength revelation were different relating to the kinds and quantity of bonding material. Strength value of mix without fiber was higher than that of mix with fiber, but without any relation to that, over 96% of similar confidence level with strength of 28 days standard curing temperature was shown in 7 days at 40℃, 3 days at 60℃, 2days at 80℃. Confidence level of estimation method of 2 days at 80℃ was similar to those of estimation methods of 4 days at 40℃, 3 days at 60℃, so it(2 days at 80℃) is regarded as the most relevant method because it’s possible to estimate strength fastly. As a result it can be said that early quality control of recently increasing super high-rise may be possible through estimation method of 2 days at 80℃.
Also, checked the effect related to different conditions such as using various kinds of material, differentiating quantity of material, with or without fiber mixing at same rate of water-bonding material. Existing method proposed by KS and JIS to estimate strength of 28 days standard curing temperature curing for 7days at 40℃ is not relevant because it takes so long to estimate strength. Already known method of estimating strength of 28days standard curing temperature curing for 3days in 60℃ warm water, too, is not relevant to apply 3day cycle of super high-rise. It also had the problem which didn’t consider fiber mixed concrete. According to the result of experiment, traits and rate of strength revelation were different relating to the kinds and quantity of bonding material. Strength value of mix without fiber was higher than that of mix with fiber, but without any relation to that, over 96% of similar confidence level with strength of 28 days standard curing temperature was shown in 7 days at 40℃, 3 days at 60℃, 2days at 80℃. Confidence level of estimation method of 2 days at 80℃ was similar to those of estimation methods of 4 days at 40℃, 3 days at 60℃, so it(2 days at 80℃) is regarded as the most relevant method because it’s possible to estimate strength fastly. As a result it can be said that early quality control of recently increasing super high-rise may be possible through estimation method of 2 days at 80℃.
목차
Abstract
1. 서론
2. 실험계획 및 방법
3. 실험결과 및 고찰
4. 결론
참고문헌
참고문헌 (20)
참고문헌 신청
2011 / KS F 2827, 콘크리트 생산 공정 관리용 시험방법 - 콘크리트압축 강도의 조기 판정 시험 방법(온수양생법)
2003 / ASTM C0684-99R03 Standard Test Method for Making, Ac celerated Curing, and Testing Concrete Compression Test Specimens
寺内利恵子 / 2008 / 設計基準強度150N/㎟の超高強度コンク リートの実施適用および品質管理 / 日本建築学会大会学術講演 梗概集
小田新二 / 2005 / 温水養生による各種セメントを用いた高強度 コンクリートの圧縮強度の早期判定に関する考察 / 日本建築学 会大会学術講演梗概集
陣内浩 / 2006 / 温水養{生供試体による超高強度コンクリート の圧縮強度の評価に関する基礎的研究」 / 日本建築学会大会学 術講演梗概集
2003 / ASTM C0684-99R03 Standard Test Method for Making, Ac celerated Curing, and Testing Concrete Compression Test Specimens
寺内利恵子 / 2008 / 設計基準強度150N/㎟の超高強度コンク リートの実施適用および品質管理 / 日本建築学会大会学術講演 梗概集
小田新二 / 2005 / 温水養生による各種セメントを用いた高強度 コンクリートの圧縮強度の早期判定に関する考察 / 日本建築学 会大会学術講演梗概集
陣内浩 / 2006 / 温水養{生供試体による超高強度コンクリート の圧縮強度の評価に関する基礎的研究」 / 日本建築学会大会学 術講演梗概集
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