The paper introduces steel structure advantages,describes common steel structure engineering construction technologies,explores steel structure construction quality control measures from three aspects of construction preparation,hoisting construction and welding technology,and finally points out properties of steel-structure building,such as energy saving,environment protecting,strong flexibility and fast construction speed. Therefore,it will have wide application prospect.%介绍了钢结构的优点,阐述了钢结构工程中常用的施工技术,并从施工准备、吊装施工、焊接技术三方面,探讨了钢结构施工过程中的质量控制措施,指出钢结构建筑具有节能环保、灵活性强、施工迅速的特点,应用前景广阔。
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