| 永修特大桥双壁钢围堰施工及钢箱拱安装技术 |
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| 引用本文： | 苗文怀.永修特大桥双壁钢围堰施工及钢箱拱安装技术[J].铁道建筑技术,2010(5):17-22. |
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| 作者姓名： | 苗文怀 |
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| 作者单位： | 中铁二十局集团第二工程有限公司,北京,100142 |
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| 摘 要： | 以昌九城际铁路永修特大桥主桥钢箱拱施工实例,重点介绍了主桥深水基础采用双壁钢围堰法施工时钢围堰的设计、下沉、封底技术,以及主桥上部钢箱拱的安装技术,对类似工程有一定的指导意义。
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| 关 键 词： | 特大桥 双壁钢围堰 钢箱拱 安装技术 |
Technique of Double-wail Steel Cofferdams Construction and Steel Box Arches Installation for Deep-immersed Foundations of Yongxiu Super Large Bridge Main Bridge |
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| Miao Wenhuai.Technique of Double-wail Steel Cofferdams Construction and Steel Box Arches Installation for Deep-immersed Foundations of Yongxiu Super Large Bridge Main Bridge[J].Railway Construction Technology,2010(5):17-22. |
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| Authors: | Miao Wenhuai |
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| Institution: | Miao Wenhuai ( China Railway 20th Bureau Group Co. Ltd. , Beijing 100142, China) |
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| Abstract: | Taking the construction of steel box arches of the main bridge of Yongxiu Super Large Bridge in Chang-Jiu Inter- city Railway as an example, this article puts its emphasis on the design, sinking and bottom sealing technique of steel cof- ferdams and the installation technique of the steel box arches as the superstructure of the main bridge with double-wall steel cofferdams method adopted during the construction of the deep-immersed foundations of the main bridge. It is of certain instructive meaning for similar projects. |
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| Keywords: | super large bridge double-wall steel cofferdams steel box arches installation technique |
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