| 大跨度钢桁拱施工阶段空间受力特性分析 |
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| 引用本文： | 彭小明,雷俊卿.大跨度钢桁拱施工阶段空间受力特性分析[J].北方交通大学学报,2011(1):73-78. |
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| 作者姓名： | 彭小明 雷俊卿 |
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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 [2]中交公路规划设计院有限公司,北京100088 |
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| 摘 要： | 根据大跨度钢桁拱的施工特点和施工工艺,对朝天门大桥进行施工阶段静动力分析,探讨了大跨度钢桁架拱桥施工阶段的空间静动力特性,验证了拱上吊机悬臂拼装法施工的可行性.
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| 关 键 词： | 大跨度钢桁拱 静动力特性 悬臂拼装法 |
Space mechanical characteristics analysis of long-span steel trussed arch bridgeat construction stage |
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| PENG Xiaoming,LEI Junqing.Space mechanical characteristics analysis of long-span steel trussed arch bridgeat construction stage[J].Journal of Northern Jiaotong University,2011(1):73-78. |
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| Authors: | PENG Xiaoming LEI Junqing |
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| Institution: | 1.School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China;2.CCCC Highway Consultants CO.,Ltd.,Beijing 100088,China) |
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| Abstract: | According to construction characteristics and technology of long-span steel trussed arch bridge,construction static and dynamic calculation combining with Chaotian Gate Bridge are carried out.In this paper,space static and dynamic characteristic of large-span steel trussed arch bridge at construction stage are discussed,and the cantilever assembly method with crane on the arch proves to be feasible. |
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| Keywords: | long-span steel trussed arch bridge static and dynamic characteristic cantilever assembly method |
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