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拱坝随机振动响应的概率分析及抗震安全评价
Probability analysis of random response and seismic safety evaluation of arch dams
【摘要】 本文介绍如何利用反应谱方法对结构动力响应做概率分析,并用Monte-Carlo方法进行验证,结果表明两种方法结果一致。应用反应谱方法对拱坝随机振动响应进行了分析,研究了均匀振动下拱坝随机振动响应的概率分布,对拱坝在基准期内的抗震安全作了评价。
【Abstract】 Probability analysis of dynamic responses of structures by response spectrum method is presented in this paper.For verifying the validity of this method,Monte-Carlo method is applied to analyze the seismic random response of an arch dam.The results show the close agreement of these two methods.The probability distribution of random dynamic response of the arch dam under uniform vibration excitation is obtained and seismic safety of the arch dam is evaluated.
【关键词】 水工结构;
抗震安全评价;
反应谱;
随机振动;
拱坝;
【Key words】 hydraulic structure; seismic safety evaluation; response spectrum; random vibration; arch dam;
【Key words】 hydraulic structure; seismic safety evaluation; response spectrum; random vibration; arch dam;
【基金】 国家自然科学基金(50209004)
- 【文献出处】 水力发电学报 ,Journal of Hydroelectric Engineering , 编辑部邮箱 ,2006年05期
- 【分类号】TV642.4;TV312
- 【被引频次】1
- 【下载频次】201