大跨径预应力混凝土连续梁桥的施工控制研究  

Research on Construction Control of Large-span Prestressed Concrete Continuous Beam Bridge

作　　者：戴金顺 DAI Jinshun(Guangdong Guanyue Highway&Bridge Co.,Ltd.,Guangzhou 511400,Guangdong,China)

机构地区：[1]广东冠粤路桥有限公司,广东广州511400

出　　处：《工程技术研究》2025年第4期122-124,共3页Engineering and Technological Research

摘　　要：文章探讨了大跨径连续梁桥主要的施工方法及控制要点,对支架现浇、移动模架、悬臂浇筑和顶推施工的工艺特点和适用性进行了论述,同时提出了施工阶段线形和应力控制要求及对应的指标。最后,以向阳河特大桥(40+60+40)m主桥施工为项目背景,围绕挂篮悬臂施工工艺展开探讨,总结了对应0号块、挂篮、悬臂浇筑等主要工艺的施工控制要求,以期为类似工程项目提供借鉴和参考。This paper discusses the main construction methods and control points of large-span continuous beam bridge,discusses the process characteristics and applicability of cast-in-place support,movable formwork,cantilever pouring and incremental launching construction,and puts forward the requirements and corresponding indexes of linear and stress control in construction stage.Finally,taking the construction of(40+60+40)m main bridge of Xiangyanghe Grand Bridge as the project background,it discusses the hanging basket cantilever construction process,and summarizes the construction control requirements corresponding to the main processes such as No.0 block,hanging basket and cantilever pouring,so as to provide reference for similar engineering projects.

关 键 词：大跨径连续梁桥 悬臂浇筑法 线形控制 支架现浇法 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]