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该项目首次建立了随机地震动模型参数与传统结构抗震设计所依据的基本参数之间的关系；利用我国历史地震资料统计确定了主余地震的震级关系，并提出了主余地震动模型及其参数的确定方法。通过几座钢筋混凝土框架的地震损伤模拟试验，首次系统地研究了主余震作用下钢筋混凝土结
For the first time, this project establishes the relationship between the parameters of the random ground motion model and the basic parameters on which the traditional structure’s seismic design is based; it uses the historical seismic data of China to statistically determine the magnitude relationship of the main residual earthquake, and proposes the main-ground vibration model and its parameters. The method of determination. Through the seismic damage simulation test of several reinforced concrete frames, the first time a systematic study of reinforced concrete joints under the action of the main aftershock