吴淞江工程(上海段)新川沙河段罗宁路桥主桥设计  

Main Bridge Design of Luoning Road and Bridge in New Chuansha River Section of Wusong River Project(Shanghai Section)

作　　者：吴霄 WU Xiao

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海200092

出　　处：《上海公路》2022年第4期38-43,106,M0005,共8页Shanghai Highways

摘　　要：吴淞江工程(上海段)新川沙河段罗宁路桥主桥采用跨度布置为55 m+112 m的两跨系杆拱桥,桥宽31.5 m,横桥向采用单片拱。拱肋立面采用两跨连续三角型结构,截面采用变高度六边形,主梁采用带大挑臂脊骨梁结构,脊骨梁与拱肋固结形成连续。该桥主桥造型简洁大气、时尚新颖,大挑臂主梁结合三角型独拱肋,为桥下桥上提供了极佳的景观效果。The main bridge of Luoning bridge in Xinchuansha reach of Wusong River Project(Shanghai Section)is a tied arch bridge with a span of 55m+112m.Width of the main bridge is 31.5m,and a single arch is adopted in the transverse direction.The elevation of the arch rib adopts a two-span continuous triangular structure,the section adopts a variable height hexagon.A spine beam structure with a large cantilever is designed for the main beam.The spine beam is consolidated with the arch rib to form a continuous structure.The outline of the main bridge is simple,elegant and fashionable.Large cantilever girder combined with the triangular single arch rib provides an excellent landscape effect for the whole bridge.

关 键 词：三角型拱 超宽桥梁 系杆拱桥 大悬臂 脊骨梁 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]