| 方家寨大桥简支结构转换连续结构的施工 |
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| 引用本文： | 刘建平,严标.方家寨大桥简支结构转换连续结构的施工[J].贵州工业大学学报(自然科学版),2008,37(3). |
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| 作者姓名： | 刘建平 严标 |
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| 作者单位： | 1. 贵州黔西南州交通局,贵州,兴义,562400
2. 贵州大学土木建筑工程学院,贵州,贵阳,550003 |
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| 摘 要： | 预应力连续梁具有受力合理、施工方法灵活、适应性强、结构刚度大、整体性好、造价经济等优点,在当前得到了广泛应用.方家寨大桥采用先简支后连续的施工方法.通过逐次接长连续梁、逐次拆除临时支座来实现结构体系转换.
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| 关 键 词： | 简支梁 连续结构 结构体系转换 临时支座 |
Structure Transformation from Simply-support Structure to Continuous Structure in Fangjiazhai Bridge Construction |
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| LIU Jian-ping,YAN Biao.Structure Transformation from Simply-support Structure to Continuous Structure in Fangjiazhai Bridge Construction[J].Journal of Guizhou University of Technology(Natural Science Edition),2008,37(3). |
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| Authors: | LIU Jian-ping YAN Biao |
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| Institution: | LIU Jian-ping1,YAN Biao2 (1.Guizhou Qian Xinan Communications Bureau,Xingyi,562400,China,2.College of Civil Engineering , Architecture,Guizhou University,Guiyang 550003,China) |
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| Abstract: | Prestressed continuous beam has advantages of reasonable load transfer,flexible construction,high structure stiffness,good integrality and economical cost.It has been widely applied in bridge construction.Fangjiazhai Bridge is simply supported-continuous system.The structure system transformation has been implemented by successive extending beam and demolishing temporary support. |
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| Keywords: | simply-support beam continuous structure structure system transformation temporary support |
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