本文在分析研究的基础上,推荐了一些可实际应用于焊接对接及角接接头,电焊缝几何形状引起的应力集中系数的计算公式,并给出错边及角变形影响的近似计算式。焊接接头的承载能力,尤其是受动载时的承载能力。在很大程度上取决于应力集中程度。这种应力集中多出现在焊缝向基体金属过渡区,其大小常由焊缝形状决定。 Based on the analysis and research, some calculation formulas of stress concentration factor which can be applied to the welding butt joint and the angle joint, the geometrical shape of the welding seam are recommended. The approximate formulas of the influence of the wrong edge and the angle deformation are also given. The carrying capacity of welded joints, especially when carrying loads. Much depends on the degree of stress concentration. This stress concentration occurs in the weld to the transition zone of the base metal, the size often depends on the shape of the weld.