| 朝天门长江大桥钢桁拱合龙技术 |
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| 引用本文： | 孙吉飚.朝天门长江大桥钢桁拱合龙技术[J].现代交通技术,2007,4(2):46-47,65. |
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| 作者姓名： | 孙吉飚 |
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| 作者单位： | 重庆交通大学建筑学院,重庆,400074 |
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| 摘 要： | 结合朝天门长江大桥主跨合龙特点介绍主跨合龙的思路、计算及操作要点，应用大型有限元分析程序MIDAS建立了朝天门长江大桥的三维有限元简化计算模型，并对其进行了施工过程控制分析。大桥的建模可以为同类桥梁的施工控制提供有益的思路。
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| 关 键 词： | 桥梁施工 桁架桥 合龙技术 |
| 文章编号： | 1672-9889（2007）02-0046-02 |
| 修稿时间： | 2006-08-07 |
Closure Technology about Steel Truss Arch of Chaotianmen Yangze River Bridge |
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| Sun Jibiao.Closure Technology about Steel Truss Arch of Chaotianmen Yangze River Bridge[J].Modern Transportation Technology,2007,4(2):46-47,65. |
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| Authors: | Sun Jibiao |
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| Institution: | School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China |
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| Abstract: | Based on the closure character of Chaotianmen bridge, the procedure, calculation and major operation of main span closure are introduced.Three-dimensioned finite element simplified model of Chaotianmen bridge is established using MIDAS, and the construction process control is also analyzed.The research results can be taken as reference to similar bridge. |
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| Keywords: | MIDAS |
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