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논문 기본 정보

자료유형
학술저널
저자정보
Zhenyang Zhu (China Institute of Water Resources and Hydropower Research) Weimin Chen (Hydrochina Huadong Engineering Corporation) Sheng Qiang (Hohai University) Guoxin Zhang (China Institute of Water Resources and Hydropower Research) Youzhi Liu (China Institute of Water Resources and Hydropower Research)
저널정보
한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.19 No.6
발행연도
2017.1
수록면
659 - 666 (8page)

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초록· 키워드

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Based on the Arrhenius equations, several hydration exothermic models that precisely calculate the influence of concrete’s self-temperature duration on its hydration exothermic rate have been presented. However, the models’ convergence is difficult to achieve when applied to engineering projects, especially when the activation energy of the Arrhenius equation is precisely considered. Thus, the models’ convergence performance should be improved. To solve this problem and apply the model to engineering projects, the relationship between fast iteration and proper expression forms of the adiabatic temperature rise, the coupling relationship between the pipe-cooling and hydration exothermic models, and the influence of concrete’s self-temperature duration on its mechanical properties were studied. Based on these results, the rapid convergence of the hydration exothermic model and its coupling with pipe-cooling models were achieved. The calculation results for a particular engineering project show that the improved concrete hydration exothermic model and the corresponding mechanical model can be suitably applied to engineering projects.

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