The weight function formulas are worked out and can be used for all kinds of depth of crack,materials,assemblage excess,size of combined thick wall cylinder to compute the stress intensity factors.

• 本文用权函数法导出了由套装应力引起的组合厚壁筒内边裂纹的应力强度因子公式,这些公式可用于计算组合厚壁筒在不同裂纹深度、材料、过盈量和尺寸情况下的应力强度因子。