大跨度连续刚构拱桥上部结构施工方案研究  

Study on Construction Scheme of Superstructure of Long-span Continuous Rigid Frame Arch Bridge

作　　者：董青青 DONG Qingqing(Guangzhou Metro Group Co.,Ltd.,Guangzhou 510330,Guangdong,China)

机构地区：[1]广州地铁集团有限公司,广东广州510330

出　　处：《工程技术研究》2024年第6期79-81,共3页Engineering and Technological Research

摘　　要：为保证大跨度连续刚构拱桥施工安全性、经济性及高效性,文章以某地铁(80+150+80)m大跨度连续刚构拱桥为依托,研究了在特殊、复杂的地理位置与环境因素下拱桥的上部结构施工方案,在进行施工环境、安全性、技术可行性、工期及经济性比选后,选择钢管桩+贝雷梁支架立模+挂篮悬臂浇筑的方案施工该桥梁上部结构,旨在为类似工程施工提供一定的借鉴。In order to ensure the safety,economy and efficiency of the construction of long-span continuous rigid frame arch bridge,based on a subway(80+150+80)m long-span continuous rigid frame arch bridge,this paper studies the construction scheme of the superstructure of arch bridge under special and complex geographical location and environmental factors.Specifically,after comparing the construction environment,safety,technical feasibility,construction period and economy,the scheme of steel pipe pile+bailey beam support formwork+hanging basket cantilever pouring is selected to construct the superstructure of the bridge.The purpose of this study is to provide some reference for the construction of similar projects.

关 键 词：连续钢构拱桥 上部结构 施工方案比选 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]