| 转体桥连续梁多次体系转换施工控制技术 |
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| 引用本文： | 董国亮.转体桥连续梁多次体系转换施工控制技术[J].铁道建筑技术,2011(1):13-17,55. |
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| 作者姓名： | 董国亮 |
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| 作者单位： | 中铁十二局集团第三工程有限公司,太原,030024 |
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| 摘 要： | 通过对滹沱河特大桥跨京广连续箱梁结构体系转换施工技术的研究,重点阐述了箱梁不利变形的应对措施、箱梁的合龙段的质量控制、临时固结及抗倾覆措施等关键技术。施工中通过对砂箱的拆除顺序以及合龙段的临时锁定等措施,确保了梁体体系顺利转化。
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| 关 键 词： | 箱梁结构 体系转换 施工技术 |
Control Technologies of Multiple System Conversions in Swivel Continuous Beams |
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| Dong Guoliang.Control Technologies of Multiple System Conversions in Swivel Continuous Beams[J].Railway Construction Technology,2011(1):13-17,55. |
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| Authors: | Dong Guoliang |
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| Institution: | Dong Guoliang(China Railway 12~(th) Bureau Group Co.Ltd.,Taiyuan 030024,China) |
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| Abstract: | Through research on the system conversion construction technologies in Hutuo River Extra-large Bridge crossing Beijing-Guangzhou continuous box beam structure,this paper elaborates mainly key technologies,such as the countermeasures for adverse deformation of box beams,quality control,temporary consolidation and anti-overturning measures of the closure segments in box beams.With the measures of sequencing the sandbox dismantling and temporary locking of the closure segments,smooth conversions of beam system... |
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| Keywords: | box beam structure system conversion construction technology |
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