| 考虑介质随机性的结构-地基系统地震反应分析 |
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| 引用本文： | 张艳红,杜修力,张伯艳.考虑介质随机性的结构-地基系统地震反应分析[J].水利学报,2001,32(1):0011-0018. |
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| 作者姓名： | 张艳红 杜修力 张伯艳 |
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| 作者单位： | 中国水利水电科学研究院 工程抗震研究中心, |
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| 摘 要： | 本文结合近场波动数值模拟的解耦方法和随机有限元方法，提出了一种可考虑介质随机性的时域土-结构体系地震反应分析的解耦方法，此方法的给出为在场地及结构地震反应分析中考虑场地介质及结构参数的随机性的影响提供了较高精度且便于应用的理论方法。本文还以小湾拱坝为例分析了考虑介质随机性时结构的地震反应。
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| 关 键 词： | 近场波动数值模拟 介质随机性 |
| 文章编号： | 0559-9350(2001)01-0011-07 |
| 修稿时间： | 2000年1月13日 |
Seismic study of structure-foundation system considering the stochastic characteristics of medium |
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| ZHANG Yan-hong,DU Xiu-li,ZHANG Bo-yan.Seismic study of structure-foundation system considering the stochastic characteristics of medium[J].Journal of Hydraulic Engineering,2001,32(1):0011-0018. |
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| Authors: | ZHANG Yan-hong DU Xiu-li ZHANG Bo-yan |
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| Affiliation: | China Institute of Water Resources and Hydropower Research |
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| Abstract: | Based on the uncoupled method for numerical simulation of near-field wave motion and stochastic finite element method, a new uncoupled method is proposed to analyze the seismic response of soil-structure system in time domain considering the stochastic characteristics of medium. By using this method, the radiation effect of wave energy to infinite field is simulated and the stochastic characteristics of complicated medium are being considered. This method is applied to analyze the earthquake response of the arch dam in Xiaowan Project. |
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| Keywords: | numerical simulation near field wave motion stochastic characteristics |
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