大型综合交通枢纽工程栈桥搭设工艺研究  

Research on the trestle erection technology of large-scale comprehensive transportation hub project

作　　者：刘成美 Liu Chengmei(Chengdu Daxinan Railway Suprvision Co.,Ltd.,Chengdu Sichuan 400044,China)

机构地区：[1]成都大西南铁路监理有限公司,四川成都400044

出　　处：《山西建筑》2025年第4期166-170,共5页Shanxi Architecture

基　　金：中铁建设集团科研项目(项目编号:4565QT2024001)。

摘　　要：以重庆东站站东路栈桥的搭设工艺为例,探究了栈桥搭设的施工工艺与安装工艺技术。从基础浇筑、钢管柱的运输和施工、桩顶处理、柱间单片桁架支撑、门架主梁安装、承重纵梁安装、预先拼装桥面路基板并吊装、附属设施施工等步骤进行全面阐述,并通过规范与数值模拟进行施工验算,该栈桥搭设的成功实施为同类项目提供技术参考和经验总结。Taking the construction technique of the Dong Station East Road trestle in Chongqing as an example,this study explored the construction and installation technology of trestle erection.It comprehensively describes the steps including foundation casting,transportation and construction of steel tubular columns,pile cap treatment,single-piece truss support between columns,portal frame main beam installation,bearing longitudinal beam installation,pre-assembly and hoisting of bridge deck base plates,and construction of ancillary facilities,and finally,the construction verification was passed through standards and numerical simulation.The successful implementation of the construction of this trestle bridge provides technical references and experience summaries for similar projects.

关 键 词：栈桥 屋盖桁架 混凝土次梁 转换钢梁 

分 类 号：TU997[建筑科学—市政工程]