| 温度对混凝土箱梁应力和变形影响的测试与分析 |
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| 引用本文： | 王全录,刘保东,张玉梅.温度对混凝土箱梁应力和变形影响的测试与分析[J].武汉理工大学学报(交通科学与工程版),2008,32(5). |
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| 作者姓名： | 王全录 刘保东 张玉梅 |
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| 作者单位： | 1. 北京交通大学土木建筑工程学院,北京,100044;内蒙古交通设计研究院有限责任公司,呼和浩特,010010
2. 北京交通大学土木建筑工程学院,北京,100044 |
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| 摘 要： | 为了研究混凝土箱粱在施工期问的温度场和温度随时问的变化规律.对内蒙古磴口黄河大桥进行了现场测试.分析了混凝土箱梁桥结构的温度效应及温度场对其挠度和应力的影响规律.结果表明:在结构荷载不变的情况下.箱梁的温度应力较易测得;温度对箱梁的应力和挠度均有较大影响,在设计中应予以重视.对如何在混凝土箱梁的施工和设计中考虑温度影响提出了建议.
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| 关 键 词： | 温度 箱梁 应力 挠度 |
Testing and Analysis of the Temperature Effect on Stress and Deformations of Concrete Box Beams |
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| Wang Quanlu,Liu Baodong,Zhang Yumei.Testing and Analysis of the Temperature Effect on Stress and Deformations of Concrete Box Beams[J].journal of wuhan university of technology(transportation science&engineering),2008,32(5). |
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| Authors: | Wang Quanlu Liu Baodong Zhang Yumei |
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| Institution: | School of Civil Engineering;Beijing Jiaotong University;Beijing 100044;Inner Mongolia Communications Design & Research Institute Co.Ltd.;Hohhot 010010 |
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| Abstract: | In order to investigate temperature field and time-rule of variation of temperature during the construction of concrete box beams,a field testing program was conducted on the Dengkou Yellow River Bridge,and the influences of the temperature effect on deformations and stress of the concrete box beam of the bridge as well as the temperature field of the box beam are studied.The results of testing and studying indicate that the stress due to the temperature effect is easy to obtain when the load on the bridge ... |
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| Keywords: | temperature box beam stress deformation |
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