| NF250/50型公路架桥机跨铁路架设超大型预制梁施工技术 |
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| 引用本文： | 赵海涛.NF250/50型公路架桥机跨铁路架设超大型预制梁施工技术[J].石家庄铁路工程职业技术学院学报,2013(4):31-36. |
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| 作者姓名： | 赵海涛 |
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| 作者单位： | 中铁一局集团天津建设工程有限公司,天津300000 |
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| 摘 要： | 在桥梁预制梁架设施工中，由于作业环境的不同，对大跨度预制梁架设作业也提出不同的要求。针对预制梁跨越运营铁路的45 m长、自重220 t架设施工的实际情况，详细介绍架桥机在不妨碍铁路正常运营的条件下超大型预制梁架设施工方法。
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| 关 键 词： | 架桥机 跨铁路 超大型 预制梁 安装质量 |
Construction Technology of Erecting Large Precast Beam over Railway with Model NF250/50 Bridge Building Machine |
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| Authors: | ZHAO Hai-tao |
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| Institution: | ZHAO Hai-tao (Tijian Construction Engineering Corporation of China Railway 1st Bureau Group Co. Ltd Tianjin 300000 China) |
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| Abstract: | Requirements of erection of precast beam changes with different operation environment. In connection with the erection of a precast beam which is 45 meters long and weighs 220 tons, this paper introduces in detail the construction technology of erecting large precast beam over railway that is under operation with bridge building machine. |
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| Keywords: | bridge building machine over railway large precast beam erection quality |
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