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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.8 No.2
- 발행연도
- 2014.6
- 수록면
- 165 - 172 (8page)
이용수
초록· 키워드
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Recycled coarse aggregate (RCA) made from waste concrete is not a suitable structural material as it has high absorption of cement mortar, which adheres on the aggregate surface and on the tiny cracks thereon. Therefore, when using RCA made from waste concrete, much water must be added with the concrete, and slump loss occurs when transporting. Hence, its workability is significantly worse than that of other materials. In this study, surface of RCA was coated with water-soluble polycarboxylate (PC) dispersant so that its characteristics improved. Each possibility was evaluated: whether its slump loss can be controlled, by measuring its workability based on the elapsed time; and whether it can be used as a structural material, by measuring its strength. Moreover, the carbonation due to cement mortar adhesion was measured through a carbonation test. As a result, RCA coated with PC dispersant was found to be better than crushed coarse aggregate and RCAwhen the physical properties of the fresh concrete and the mechanical, durability of the hardened concrete were tested.
목차
Abstract
1. Introduction
2. The Mechanism of Coated RCA (CRCA)
3. Experimental
4. Results and Discussion
5. Summary
References
참고문헌 (21)
참고문헌 신청
1. [학술지(정기간행물)] - Eguchi, K / 2007 / Application of recycled coarse aggregate by mixture to concrete construction / Construction and Building Materials 21 : 1542 ~ 1551
2. [학술대회논문] - Fong, W. F. K / 2002 / Experience of using recycled aggregates from construction and demolition materials in ready mix concrete / International Workshop on Sustainable Development and Concrete Technology : 267 ~ 275
3. [학술대회논문] - Hendriks, C. F / 2000 / Recycling of building and demolition waste, an integrated approach / Proceedings of the International Symposium on ‘Sustainable Construction: Use of Recycled Concrete Aggregate, London, UK : 419 ~ 431
4. [학술지(정기간행물)] - Katz, A / 2003 / Properties of concrete made with recycled aggregate from partially hydrated old concrete / Cement and Concrete Research 33 : 703 ~ 711
5. [학술지(정기간행물)] - Khalil, S. M / 1980 / Effect of sulfate content of cement on slump loss of concrete containing high-range water reducers(superplasticizers) / Magazine of Concrete Research 32 : 28 ~ 38
2. [학술대회논문] - Fong, W. F. K / 2002 / Experience of using recycled aggregates from construction and demolition materials in ready mix concrete / International Workshop on Sustainable Development and Concrete Technology : 267 ~ 275
3. [학술대회논문] - Hendriks, C. F / 2000 / Recycling of building and demolition waste, an integrated approach / Proceedings of the International Symposium on ‘Sustainable Construction: Use of Recycled Concrete Aggregate, London, UK : 419 ~ 431
4. [학술지(정기간행물)] - Katz, A / 2003 / Properties of concrete made with recycled aggregate from partially hydrated old concrete / Cement and Concrete Research 33 : 703 ~ 711
5. [학술지(정기간행물)] - Khalil, S. M / 1980 / Effect of sulfate content of cement on slump loss of concrete containing high-range water reducers(superplasticizers) / Magazine of Concrete Research 32 : 28 ~ 38
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UCI(KEPA) : I410-ECN-0101-2015-530-001676640