大跨度钢管拱桥拱脚预埋件制作工艺技术  

MANUFACTURING TECHNOLOGY OF EMBEDDED PARTS OF ARCH FOOT OF LARGE STEEL TUBE ARCH BRIDGE

作　　者：何李 才宝山 周绍华 裴楠 HE Li;CAI Bao-shan;ZHOU Shao-hua;PEi Nan(CCCC Central-South Engineering Co.,Ltd.,410000,Changsha,China;China WorldCom(Chongqing)Heavy Industry Co.,Ltd.,402160,Chongqing,China)

机构地区：[1]中交中南工程局有限公司,长沙410000 [2]中交世通(重庆)重工有限公司,重庆402160

出　　处：《建筑技术》2024年第5期522-524,共3页Architecture Technology

摘　　要：拱脚预埋件是钢管拱桥梁中较为主要的连接方式,具备力学性能优越,安装稳定、牢固,容易施工定位,经济性优越,还能在一定程度上调节钢管拱的安装偏差等优点。围绕预埋件制作工艺,介绍制作流程以及遇到的重难点,采取的精度控制措施和工艺方法对拱脚预埋件制作的精度和效率起着关键性作用。Arch foot embedment is the main connection method in steel pipe arch bridge. It has the advantages of superior mechanical properties, stable and firm installation, easy construction and positioning, superior economy, and can adjust the installation deviation of steel pipe arch to a certain extent. This paper focused on the production process of embedded parts, introduced the production process and the key difficulties encountered, and then adopted the precision control measures and process methods, which play a key role in the precision and efficiency of the production of embedded parts.

关 键 词：精度控制 焊接变形 组装预拼 拱脚预埋件 

分 类 号：TU758.1[建筑科学—建筑技术科学]