Analysis of Temperature Field for Block Number Zero of Continuous Rigid Frame Bridge

doi:10.3969/j.issn.1674-0696.2012.05.02

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (5): 924-926.DOI: 10.3969/j.issn.1674-0696.2012.05.02

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Analysis of Temperature Field for Block Number Zero of Continuous Rigid Frame Bridge

Zhu Bo¹，Gong Qingsheng²，Zhou Shuixing¹

1.School of Civil Engineering ＆ Architecture，Chongqing jiaotong University，Chongqing 400074，China; 2.Wushan Traffic Bureau in Chongqing Municipality，Wushan 404700，Chongqing，China

Received:2011-11-30 Revised:2012-02-11 Online:2012-10-15 Published:2015-01-22

连续刚构桥0号块水化热温度场分析

朱波¹，龚清盛²，周水兴¹

1.重庆交通大学土木建筑学院，重庆400074; 2.重庆市巫山县交通局，重庆巫山404700

作者简介:朱波(1985—)，男，重庆壁山人，硕士研究生，主要从事大跨径桥梁设计理论方面的研究。E-mail:cqjtdxzhubo@163.com。
基金资助:
贵州省交通运输厅科技项目( 2010-122-017)

Abstract

Abstract: Taking Shuikou bridge as an example，according to the measured ambient temperature and pouring temperature and the transient heat conduction equation，simulation analysis of block number zero’s temperature in depositing period was conducted by using finite element analysis software ANSYS.After comparing the simulation results and the measured data， it shows good result.Calculation shows that，concrete pouring temperature has linear effect on temperature field，hydration heat coefficient influence of temperature peak value and occurrence time; outside air temperature could exert great effect on temperature field．

Key words: continuous rigid frame bridge, zero block, hydration heat, finite element method, temperature field

摘要： 以水口大桥为例，根据实测外界环境温度、浇筑初始温度等条件，按照瞬态热传导方程，运用有限元分析软件 ANSYS 对该桥0 号块水化热温度场进行分析，并将仿真结果与实测数据比较，两者吻合较好。结果表明:混凝土浇筑时的初始温度与瞬态温度场呈线性关系，水化热系数同时影响温度峰值及其出现时间，外界大气温度对后期温度场影响较大。

关键词: :连续刚构桥, 0 号块, 水化热, 有限元法, 温度场

CLC Number:

U448.29

Zhu Bo，Gong Qingsheng，Zhou Shuixing. Analysis of Temperature Field for Block Number Zero of Continuous Rigid Frame Bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(5): 924-926.

朱波，龚清盛，周水兴. 连续刚构桥0号块水化热温度场分析[J]. 重庆交通大学学报（自然科学版）, 2012, 31(5): 924-926.

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Analysis of Temperature Field for Block Number Zero of Continuous Rigid Frame Bridge

连续刚构桥0号块水化热温度场分析

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