NUMERICAL CALCULATION OF THE HYDRATION TEMPERATURE FIELD IN A MASS CONCRETE

Luan Yao; Yan Peiyu; Yang Yaohui; Ma Xin; Zhou Yuqi; Li Bo

doi:10.13204/j.gyjz200802022

Volume 38 Issue 2

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2008 > 38(2): 81-85

Li Yi, Zhao Wen, Yan Yunqi. METHOD OF CONTINUAL ANALYSIS FOR SYSTEM RELIABILITY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(10): 26-28,39. doi: 10.13204/j.gyjz200510009

Citation:

Luan Yao, Yan Peiyu, Yang Yaohui, Ma Xin, Zhou Yuqi, Li Bo. NUMERICAL CALCULATION OF THE HYDRATION TEMPERATURE FIELD IN A MASS CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(2): 81-85. doi: 10.13204/j.gyjz200802022

Li Yi, Zhao Wen, Yan Yunqi. METHOD OF CONTINUAL ANALYSIS FOR SYSTEM RELIABILITY[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(10): 26-28,39. doi: 10.13204/j.gyjz200510009

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NUMERICAL CALCULATION OF THE HYDRATION TEMPERATURE FIELD IN A MASS CONCRETE

doi: 10.13204/j.gyjz200802022

1.
1. Department of Civil Engineering,Tsinghua University Beijing 100084;
2.
2. China Construction First Division Construction &Developing Co.Beijing 100102

Received Date: 2006-11-24
Publish Date: 2008-02-20

Abstract

Abstract

A three2dimensional finite element model is established,based on adiabatic temperature2rise experiment and the hydration heat of concrete effected by temperature, with which the temperature field of a mass concrete mock2up in 60 d is calculated and compared with data measured on site. The results show that the temperature rise inside the concrete is about 40 ℃, which is achieved between 5 and 7 d. The difference of temperatures between any two points is less than 25 ℃. The maximum of temperature gradients in the vertical direction is on both the top and bottom surfaces, which is attained at the beginning of cooling stage after the temperature rise.
- mass concrete,
- temperature field,
- hydration heat,
- adiabatic temperature rise

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References(4)

References

[2] 王铁梦. 工程结构裂缝控制. 北京:中国建筑工业出版社,1997

朱伯芳. 大体积混凝土温度应力与温度控制研究. 北京:中国电力出版社,1999

[3] Springenschmid R. Prevention of Thermal Cracking in Concrete at Early Ages. London,EFN Spon, 1998

[4] 王甲春, 阎培渝, 韩建国. 粉煤灰混凝土绝热温升的实验测试与分析. 建筑材料学报2005, 8 (4) : 446-451

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