大跨径波形钢腹板桥梁塔冠支架结构受力分析研究  

Research on Stress Analysis of Tower Crown Support Structure of Large-Span Corrugated Steel Web Bridge

作　　者：叶建彬 夏琦 王运瑞 YE Jianbin;XIA Qi;WANG Yunrui(Jinzhu Communication Construction Co.,Ltd.of Zhejiang Communications Construction Group Co.,Ltd.;Zhejiang Communications Construction Group Co.,Ltd.,Hangzhou,Zhejiang Province,310052 China)

机构地区：[1]浙江交工金筑交通建设有限公司 [2]浙江交工集团股份有限公司,浙江杭州310052

出　　处：《科技资讯》2024年第21期145-147,共3页Science & Technology Information

摘　　要：钢混组合梁斜拉桥作为桥梁主要结构形式之一,具有跨径大、强度高、刚度好、疲劳寿命长、施工方便等特点,在现代桥梁建设中应用广泛。依托某桥梁工程,开展斜拉桥塔冠支架结构受力分析研究,重点介绍了结构布置形式、材料特性、荷载取值与组合、塔冠支架施工与结构计算,运用有限元软件对塔冠支架结构的安全性进行分析。经验证,支架构件的强度、刚度和稳定性均满足要求。As one of the main structural forms of bridge,steel-concrete composite beam cable-stayed bridge has the characteristics of large span,high strength,good stiffness,long fatigue life,convenient construction and so on,which is widely used in modern bridge construction.Relying on a certain bridge project,the stress analysis and re-search on the tower crown support structure of cable-stayed bridge are carried out.The structural layout,material characteristics,load value and combination,tower crown support construction and structural calculation are mainly introduced.The safety of tower crown support structure is analyzed by using finite element software.After verifica-tion,the strength,stiffness and stability of the support components can meet the requirements.

关 键 词：大跨径 斜拉桥 塔冠支架 结构受力分析 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]