鸡鸦水道特大桥施工重难点分析及对策研究
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中铁上海设计院上海先行建设监理有限公司 上海 200070

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TU

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Analysis of construction difficulties and countermeasures for JIYA Waterway Bridge
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    摘要:

    斜拉桥因跨越能力强,能有效避免不利地形等优点,在高速铁路建设中得到广泛应用,但因其施工难度大,工艺流程多,施工组织复杂,环境影响因素多等问题,成为工程界关注的重点。本文以鸡鸦水道特大桥为研究背景,剖析了该组合梁斜拉桥的施工特点,并对施工过程中的工期控制、水中主墩承台双壁钢围堰、斜拉桥主塔、钢混凝土主梁及钢混结合段等施工关键重难点问题展开了分析,结合现有的施工技术,研究了该斜拉桥的施工重难点对策,并提出了对应的解决方案,为同类型斜拉桥的安全施工提供参考。

    Abstract:

    Cable-stayed bridge has been widely used in the construction of high-speed railways because of its strong leapfrogging ability and its ability to effectively avoid adverse terrain. However, due to its difficult construction, numerous technological processes and complex construction organization, environmental factors and other issues have become the focus of the engineering community. In this paper, the construction characteristics of the composite girder cable-stayed bridge are analyzed based on the research background of the Jiya Waterway Super Large Bridge, the key and difficult problems in construction, such as construction period control, double-wall steel cofferdam for bearing platform of main pier in water, main tower of cable-stayed bridge, steel-concrete main beam and steel-concrete combination section, are analyzed, combined with the existing construction technology, this paper studies the key and difficult countermeasures for the construction of the cable-stayed bridge, and puts forward the corresponding solutions, which provide reference for the safe construction of the same type of cable-stayed bridge..

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  • 收稿日期:2023-08-01
  • 最后修改日期:2023-09-16
  • 录用日期:2023-09-20
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