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文章介绍了如何对钢结构大直径焊接国管Ｘ型节点进行有限元分析，并把分析结果与接钢结构设计规范进行计算的结果进行了比较。
This paper introduces how to analyze the large diameter welded steel tube X-joints of the steel structure by finite element method and compares the results with those of the structural design of welded steel.