Relationship between welding parameter and filling quantity of weld metal in steel bridge welding;
悬索桥钢箱梁桥位焊接施工环境较差，桥位焊接质量、精度控制十分关键。
Steel beam which is used in city walking platform bridge welding, assembly, processing and main points of construction are introduced.
介绍了城市人行天桥钢梁焊接装配工艺流程及施工要点。
According to the characteristics of arc welding with filler wire, experiments about the FCAW-CO_2 and SAW which is commonly used in steel bridge welding were carried out.
根据熔化极焊丝填充焊的特性，对钢桥焊接中普遍应用的药芯焊丝CO_2气体保护焊和埋弧自动焊进行了焊接试验。
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