The post-buckling behaviors of wind grider of floating-roof tanks under total differential settlement are stable and general buckling of shell lead to failure of structure finally.

• 整体不均匀沉降下的浮项罐,罐顶环梁的局部屈曲表现出稳定的后屈曲性能,结构最终因罐壁壳体整体失稳而破坏。