| 采用架桥机进行跨既有铁路60m钢箱梁安装施工技术 |
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| 引用本文： | 郝晋新.采用架桥机进行跨既有铁路60m钢箱梁安装施工技术[J].铁道建筑技术,2012(11):48-52,59. |
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| 作者姓名： | 郝晋新 |
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| 作者单位： | 中铁六局集团太原铁路建设有限公司,太原,030012 |
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| 摘 要： | 以山西省平阳高速公路LJ26合同段太原枢纽K119+555跨线桥工程为例,针对大跨度钢箱梁跨既有铁路施工时遇到的难题,经方案比选,提出并最终采用新型架桥机进行上跨既有双线电气化铁路的大跨度钢箱梁的整体安装施工方法,并据此自主设计制造了一种YQXZ240 t-60A3架桥机。介绍了架桥机的组成,总结了采用该架桥机进行大跨度钢箱梁架设施工的关键施工工艺。
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| 关 键 词： | 架桥机 既有铁路 钢箱梁 安装施工 |
60 Meters Steel Box Girder Installation across Existing Railway with Bridge Machine Technique |
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| Hao Jinxin.60 Meters Steel Box Girder Installation across Existing Railway with Bridge Machine Technique[J].Railway Construction Technology,2012(11):48-52,59. |
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| Authors: | Hao Jinxin |
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| Institution: | Hao Jinxin (China Railway 6th Bureau Group Co.Ltd.,Taiyuan 030012,China) |
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| Abstract: | Taking Shanxi Pingyang freeway LJ26 contract section of Taiyuan hub K119 ＋ 555 overpass bridge project as an example, for problems in large span steel box girder across existing railway construction, by comparison of the schemes pro- posed, and finally the paper selects the integral installation construction method of large span steel box girder with new bridge machine across the existing double railway electrification, and accordingly independent design and manufacture of a kind of YQXZ240t-60A3 bridge erecting machine is made. The paper introduces the composition of bridge erecting machine, and summarizes the keg construction process of the bridging machine for large span steel box beam erection construction. |
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| Keywords: | bridge erecting machine existing railway steel box girder installation |
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