매입형 히트파이프의 재질 및 규격변화에 따른 수화열 분산 효과
Dispertion Effect of Hydration Heat due to Materials and Standard Variation of Embedded Heat Pipe
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초록
The cracking due to hydration heat in mass concrete must be resolved to improve the stability and durability of concrete structures. In this study, the economic efficiency was improved by replacing a copper pipe with a steel one for the heat pipe, and the heat pipe was standardized to significantly improve the operation efficiency, such as the processing, transport, assembly, and construction time. As a result of the experiment, the peak temperature of the ICSHP, ISSHP, and ISUHP specimens decreased by about 7.2~10.9℃ compared to the OPC specimen and the probability of a thermal crack being generated in the ICSHP, ISSHP, and ISUHP specimens decreased by up to 84~88%.
Abstract
The cracking due to hydration heat in mass concrete must be resolved to improve the stability and durability of concrete structures. In this study, the economic efficiency was improved by replacing a copper pipe with a steel one for the heat pipe, and the heat pipe was standardized to significantly improve the operation efficiency, such as the processing, transport, assembly, and construction time. As a result of the experiment, the peak temperature of the ICSHP, ISSHP, and ISUHP specimens decreased by about 7.2~10.9℃ compared to the OPC specimen and the probability of a thermal crack being generated in the ICSHP, ISSHP, and ISUHP specimens decreased by up to 84~88%.
참고문헌 (4)
- 김상철, "매스콘크리트 구조물에서 파이프쿨링을 고려한 수화열 해석", 한국콘크리트학회 가을학술발표회논문집, 10(2), pp.922~927 (1998)
- 백동일, "히트파이프를 이용한 매스콘크리트 수화열 제어 공법 개발", 박사, pp.2007
- 염치선, "매입형 히트파이프를 이용한 매스콘크리트의 수화열 분산효과와 시공성 향상에 관한 연구", 박사, pp.2009
- 한국콘크리트학회, "콘크리트 표준시방서", pp.257~287 (2003)