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本文介绍了宝钢二炼钢挖潜改造工程主厂房框架系统钢结构加固的特点、难点,重点阐述了厂房钢柱、支撑、钢梁加固的焊接工艺和防止焊接变形的措施等。
This paper introduces the features and difficulties of strengthening the steel structure of the main plant frame system of Baogang No.2 steel making potential transformation project, and focuses on the welding process and the measures to prevent the welding deformation of the steel columns, supports and steel beams.