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通过实验首次观察到周向壁穿裂纹圆柱壳在压-弯组合载荷作用下裂纹扩展与局部屈曲耦合的破坏现象，获得了在这种破坏过程中圆柱壳承载能力随裂纹扩展的变化关系，为进一步从理论上研究这种复杂破坏问题提供了必要的实验依据．
The failure phenomena of crack propagation and local buckling coupling under cyclic compression and bending loads were observed for the first time by experiments. The relationship between the bearing capacity and the crack propagation was obtained. Theoretically, this complex damage problem provides the necessary experimental evidence.