| 2孔64m钢桁梁整体反拖拉架设施工技术 |
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| 引用本文： | 李祺.2孔64m钢桁梁整体反拖拉架设施工技术[J].铁道建筑技术,2013(9):71-73. |
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| 作者姓名： | 李祺 |
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| 作者单位： | 中铁二十四局集团有限公司 上海 200071 |
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| 摘 要： | 通过技术创新采取了一系列措施,将2孔64m单线下承式钢桁梁拼装连接成1孔128 m钢桁梁,通过将拼装后的梁体整体反拖拉与顶推相结合的方式,顺利完成了架设施工任务,取得了较好的经济效益和社会效益,为同类型钢桁梁架设施工提供了一些值得借鉴的经验.
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| 关 键 词： | 单线下承式钢桁梁 反向拖拉 顶推 下挠度 |
Integral Antitrust Erection Construction Technology of Double Hole 64m Steel Truss Girder |
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| Li Qi.Integral Antitrust Erection Construction Technology of Double Hole 64m Steel Truss Girder[J].Railway Construction Technology,2013(9):71-73. |
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| Authors: | Li Qi |
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| Institution: | Li Qi;China Railway 24(th) Bureau Group Co. Ltd.; |
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| Abstract: | A series of measures are adopted with technology innovation to join 2 spans of 64m single line steel truss girder into one span of 128 m steel truss girder by assembling connection. By the overall antitrust of the assembled beam combined with jacking, the erection of the construction task is successfully completed. The construction method gains the better economic benefit and social benefit, and provides some experience worthy of learning to construction of similar steel truss girders. |
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| Keywords: | single line through steel truss girder reverse hauling incremental launching lower flexibility |
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