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大型全钢构架在现场组合、安装焊接,只要制订合理焊接工艺和焊接顺序,遵循“焊接技术验收规范”,是能够保证安装尺寸和良好接的焊效果。陈群同志著文对某八级地震区电站机组超高压锅炉全钢构架的安装焊接经验进行了这方面介绍。该全钢构架总重1355t,有29根长为30～54m的大型工、槽钢柱为对接焊接,500余根横梁和拉条需
The large-scale all-steel framework is assembled and installed at the site, and as long as a reasonable welding process and welding sequence are formulated and the “acceptance specification of welding technology” is followed, it is possible to ensure the installation size and the welding effect of good connection. Comrade Chen Qun wrote an introduction to the installation and welding experience of the ultra-high-pressure boiler’s all-steel structure of a power station unit in a 8.0-magnitude earthquake zone. The total steel frame has a total weight of 1355t and 29 large-scale workers and channel steel columns with length of 30 to 54m are used for butt welding. More than 500 beams and bars are needed.