| 襄渝二线老河口汉江特大桥上部结构施工 |
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| 引用本文： | 谢红跃,王彪.襄渝二线老河口汉江特大桥上部结构施工[J].世界桥梁,2008(Z1). |
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| 作者姓名： | 谢红跃 王彪 |
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| 作者单位： | 中铁大桥局股份有限公司,湖北,武汉,430050 |
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| 摘 要： | 襄渝铁路二线老河口汉江特大桥上部结构预应力混凝土连续箱梁墩顶0号块采用支架现浇法施工,中间节段采用菱形挂篮悬臂灌注法施工。主要介绍0号块施工、中间节段施工以及跨中合龙等关键技术。
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| 关 键 词： | 预应力混凝土桥 铁路桥 箱形梁 上部结构 桥梁架设 |
Construction of Superstructure of Laohekou Hanjiang River Bridge on the Second Xiangfan-Chongqing Railway |
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| XIE Hong-yue,WANG Biao.Construction of Superstructure of Laohekou Hanjiang River Bridge on the Second Xiangfan-Chongqing Railway[J].World Bridges,2008(Z1). |
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| Authors: | XIE Hong-yue WANG Biao |
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| Abstract: | The pier-top segments No.0 of the prestressed concrete continuous box girder of the superstructure of Laohekou Hanjiang River Bridge on the Second Xiangfan-Chongqing Railway were constructed by the cast-in-situ method on scaffolding while the middle segments were constructed by the cantilever cast-in-situ method by the diamond-shaped form travelers.In this paper,the key techniques for construction of the segments No.0,middle segments and midspan closure segments are mainly described. |
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| Keywords: | prestressed concrete bridge railway bridge box girder superstructure bridge erection |
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