With the progress of science and technology,the modeling and structural forms of steel structures are increasingly novel,and more and more complex,which has brought new challenges to the steel structure,and also put forward new problems to the installation technology of steel structure.Installation of steel structure is a complex technology,covering a wide range.According to the precise positioning installation of the main bridge arch foot joint.of Datong north bridge,this paper shared the technological installation process of large tonnage steel arch foot with an inclination.%随着科学技术的进步,钢结构的造型和结构形式越来越新颖,越来越复杂,给钢结构的制作带来了新挑战,同时对钢结构安装技术也提出了新问题,钢结构安装是一项复杂的综合性技术,涵盖范围广.本文根据大同市北环桥主桥拱脚节点的精确定位安装,分享该桥内倾大吨位钢拱脚的技术安装过程,来与大家共勉.
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