大跨度钢桁架拱桥拱梁结合关键节点设计  

Design of Key Joints of Arch - Girder Junction of Long-span Steel Truss Arch Bridge

作　　者：顾晓毅 袁建兵 GU Xiaoyi;YUAN Jianbing

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海市200092

出　　处：《城市道桥与防洪》2021年第5期93-95,M0011,共4页Urban Roads Bridges & Flood Control

摘　　要：以某主跨48 m+180 m+48 m钢桁架拱桥为背景,介绍了中墩、边墩处拱梁结合部关键节点的设计关键技术和思路,并建立梁、壳结合的混合有限元分析模型,验证节点设计的合理性。Based on a steel truss arch bridge with a 48 m+180 m+48 m main span,the key design technique and thinking of the key joints of arch-girder junction at the middle pier and side pier are introduced.A finite element analysis model of girder-shell junction is built to verify the rationality of joint design.

关 键 词：钢桁架拱 系杆拱 设计 节点 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]