2 . the suffering failure of columns within yield hinge regions and classified standard are expressed in detail to end the confusion of expression and application in the subject area in china 从混凝土及箍筋应力水平等条件出发,提出纵筋屈服后框架柱破坏形态的分类标准;纵筋屈服后框架柱破坏形态可分为弯曲破坏及弯曲剪切破坏等形式。