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介绍了冷弯薄壁梁的整体-局部屈曲和优化,包括:简化分析与计算、数值分析及试验。详细阐述了薄壁梁翼缘和腹板的屈曲问题。采用质量检测方法,对不同横截面薄壁梁进行比较。
The global-local buckling and optimization of cold-formed thin-walled beams are introduced, including simplified analysis and calculation, numerical analysis and experiments. The buckling problem of thin-walled flanges and webs is elaborated. Quality inspection methods were used to compare thin-walled beams with different cross-sections.