京秦高速转体桥钢球铰施工技术研究

Study on Construction Technology of Spherical Steel Hinge in Swivel Bridge of Beijing-Qinhuangdao Expressway

结合京秦高速公路上跨京哈铁路转体桥施工,详细介绍了转体桥钢球铰系统概念和施工工艺,同时总结了球铰加工安装及施工过程中的主要控制指标和施工要点,为同类转体桥钢球铰施工提供参考。

Combined with the construction of a swivel bridge on the Beijing-Qinhuangdao Expressway across the Beijing-Harbin Railway,the concept and construction technology of the spherical steel hinge system of the rotating bridge are introduced in detail.At the same time,the main control indicators and construction points in the process of spherical hinge processing,installation and construction are summarized,which provides a reference for the construction of spherical steel hinges of similar rotating bridges.