铁道标准设计
鐵道標準設計
철도표준설계
RAILWAY STANDARD DESIGN
2014年
6期
76-82,83
,共8页
钢管混凝土系杆拱桥%带副拱%中承式%菱形变截面%主拱肋%安装
鋼管混凝土繫桿拱橋%帶副拱%中承式%蔆形變截麵%主拱肋%安裝
강관혼응토계간공교%대부공%중승식%릉형변절면%주공륵%안장
tied-arch bridge consisting of concrete-filled steel tubes%being accompanied with vice arch%half-through bridge%rhombic variable cross-section%main arch rib%installation
结合芜湖袁泽桥主桥施工，介绍国内首座带副拱中承式菱形变截面钢管混凝土系杆拱桥主拱肋安装技术，主要包括主拱肋的安装工艺、缆索吊机及扣挂系统的设计、拱肋A段支撑架的设计及作业平台搭设、测量控制、焊接标准的采用及安装尺寸标准等内容，为类似工程施工提供参考。
結閤蕪湖袁澤橋主橋施工，介紹國內首座帶副拱中承式蔆形變截麵鋼管混凝土繫桿拱橋主拱肋安裝技術，主要包括主拱肋的安裝工藝、纜索弔機及釦掛繫統的設計、拱肋A段支撐架的設計及作業平檯搭設、測量控製、銲接標準的採用及安裝呎吋標準等內容，為類似工程施工提供參攷。
결합무호원택교주교시공，개소국내수좌대부공중승식릉형변절면강관혼응토계간공교주공륵안장기술，주요포괄주공륵적안장공예、람색조궤급구괘계통적설계、공륵A단지탱가적설계급작업평태탑설、측량공제、한접표준적채용급안장척촌표준등내용，위유사공정시공제공삼고。
This paper was based on the construction of main bridge of the Wuhu Yuanze Bridge, the first one in China in the form of concrete-filled steel tubular half-through tied-arch bridge with vice arch and rhombic variable cross-section. This paper expounded the installation technology of the main arch rib of this bridge, mainly including how to install the main arch rib, how to design the cable crane and buckling-anchoring system, how to design the support frame used in section A of the arch rib, how to erect the work platforms, how to achieve measurement and controlling, how to adopt welding standard and mounting dimension standard, etc. , so as to provide reference for similar projects.
