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本文阐述用动力模型试验和有限元动力分析方法研究清江隔河岩重力拱坝的动力特性,采用反应谱方法研究大坝的地震动力响应。探讨了封拱形式对大坝地震响应的影响,模型试验与动力分析的结果比较接近,研究表明大坝遇7度地震是安全的。
In this paper, dynamic model tests and finite element analysis are used to study the dynamic characteristics of Gehe arch dam with seismic response. The effect of arch seal on the dam seismic response is discussed. The results of model test and dynamic analysis are close to each other. The results show that it is safe for the dam to meet the earthquake of 7 degree.