| 混凝土箱梁蒸养温度场及温度应力有限元分析 |
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| 引用本文： | 秦观,魏颂,王志国.混凝土箱梁蒸养温度场及温度应力有限元分析[J].中国港湾建设,2010(1):11-13. |
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| 作者姓名： | 秦观 魏颂 王志国 |
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| 作者单位： | 1. 长沙理工大学水利工程学院,湖南,长沙,410114;中交第一航务工程局铁路工程分公司,天津,300042
2. 中交第一航务工程局铁路工程分公司,天津,300042 |
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| 摘 要： | 文章对哈尔滨至大连客运专线德惠制梁场001号箱梁在蒸汽养护过程中温度实测的基础上，利用MI—DAS＼CIVIL软件建立了箱梁的有限元模型，模拟混凝土水化热规律和边界条件，分析结构的温度场，并和实测值进行对比分析。总结出箱梁温度场及温度应力在蒸汽养护过程中随时问变化的一般规律，并对箱梁温度裂缝控制提出预防措施和解决方法。
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| 关 键 词： | 箱梁 温度场 温度应力 有限元 分析 |
Finite Element Analysis on Steam-curing Temperature Field and Temperature Stress of Concrete Box Girder |
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| QIN Guan,WEI Song,WANG Zhi-Guo.Finite Element Analysis on Steam-curing Temperature Field and Temperature Stress of Concrete Box Girder[J].China Harbour Engineering,2010(1):11-13. |
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| Authors: | QIN Guan WEI Song WANG Zhi-Guo |
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| Institution: | 1.School of Water Conservancy;Changsha University of Science & Technology;Changsha 410114;China;2.Rail Road Engineering Branch Company of CCCC First Harbour Engineering Co.Ltd.;Tianjin 300042;China |
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| Abstract: | This paper based on the temperature measurement of No.001 box girder during steam curing in Dehui box girders precasting yard for Harbin-Dalian Passenger railway Line,built the finite element model of box girder by the MIDAS\CIVIL software to simulate variation of concrete hydration heat and boundary conditions,analyzed the temperature field of structure and made comparative analysis with the measured values,summed up the general laws over time of box girder temperature field and temperature stress during s... |
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| Keywords: | box girder temperature field temperature stress finite element analysis |
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