| 牛角坪双线特大桥合拢段施工技术 |
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| 引用本文： | 韦理仁.牛角坪双线特大桥合拢段施工技术[J].企业技术开发,2010,29(3):64-66. |
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| 作者姓名： | 韦理仁 |
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| 作者单位： | 中铁大桥局第四工程有限公司; |
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| 摘 要： | 牛角坪特大桥主桥上部结构为主跨192m的连续刚构,其跨度居国内同类型桥梁第一,各项技术指标要求高。合拢段悬臂端锁定方案采用挂篮轨道作锚固梁,利用千斤顶调整箱梁悬臂端的高程,替代了劲性骨架锁定,压重换载的传统方法,在施工过程中具有独特的优越性。
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| 关 键 词： | 轨道 挂篮 千斤顶 合拢 锁定 |
Construction technology of the folded segment in the Niujiaoping bridge |
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| WEI Li-ren.Construction technology of the folded segment in the Niujiaoping bridge[J].Technological Development of Enterprise,2010,29(3):64-66. |
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| Authors: | WEI Li-ren |
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| Institution: | WEI Li-ren (The 4th Engineering Co.Ltd,Zhongtie Major Bridge Group,Nanjing,Jiangsu 210031,China) |
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| Abstract: | The upper structure of Niujiaoping bridge belongs to continuous frame structure with main span of 192 meters,which ranks the first among domestic ones with the same type,and each technical index is highly required.Folded segment cantilever end of locking the program to make use of formwork rail anchor beams,box girder cantilever end of the use of jack to adjust the height,replace the force frame-lock,the pressure reset for the traditional methods,in the construction process has a unique advantage. |
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| Keywords: | track formwork jack fold lock |
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