The total evolution index was induced and the FEM of material plastic damage model was supplied to simulate the nonlinear damage evolution of bridge structure subjected to the earthquake excitation.
引入了地震损伤的整体演化指标，通过有限元方法利用材料塑性损伤模型模拟桥梁结构在地震激励下的非线性损伤演化过程。
The suggestion to evaluate the earthquake intensity indices based on the structural damage index is put forward by the author.
文章提出了采用结构地震破损指数为依据，对地震强度指标定义有效性开展客观评价的建议。
It is necessary to build an index system of earthquake disaster for reflecting damage case overall and systematically.
建立地震灾害指杯体系，对全面、系统地反映灾情是十分重要的。
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