特大斜拉桥分体式钢箱梁滑移施工工艺

Sliding Construction Technology of Split Steel Box Girder of Super Large Cable-stayed Bridge

以湘潭市杨梅洲特大斜拉桥为工程背景,对特大斜拉桥分体式钢箱梁滑移施工工艺进行介绍,包括滑移支架设计、搁置墩结构、滑移进程与推力参数、滑移施工步骤,提出了滑移施工控制要点以及梁段安装精度控制措施,为类似工程的钢桥滑移施工提供了借鉴。

Taking Yangmei Zhou Extra Large Cable Stayed Bridge in Xiangtan City as the engineering background,the sliding construction technology of the split steel box girder of the extra large cable stayed bridge is introduced,including the sliding support design,the pier structure,the sliding process and thrust parameters,and the sliding construction steps,and the control points of the sliding construction and the control measures for the installation accuracy of the beam segment are put forward,which provides a reference for the sliding construction of steel bridges of similar projects.