Making use of the double control damage criterion and index, the evaluation theory and the collapse mechanism of the structure are put forward.
利用双重破坏准则，确定了结构地震破损度标准，提出了建筑物倒塌破坏的评估理论与方法。
Based on the double control damage criterion and index of the linear function of the maximum deformation and cumulative hysteretic energy, the collapse of the SDOF structures is analysed.
基于最大变形和累积耗能线性组合的双重破坏准则及破坏指标，对单自由度结构进行了倒塌分析。
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