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| 地震动不确定性及其影响因素的初步分析 | |
| 引用本文： | 董娣,周锡元,闫维明,徐国栋,杨润林.地震动不确定性及其影响因素的初步分析[J].地震研究,2006,29(2):167-175. |
| 作者姓名： | 董娣 周锡元 闫维明 徐国栋 杨润林 |
| 作者单位： | 1. 北京工业大学北京工程抗震与结构诊治北京市重点实验室,北京,100022 2. 北京工业大学北京工程抗震与结构诊治北京市重点实验室,北京,100022;北京工业大学抗震减灾研究所,北京,100022 3. 北京工业大学抗震减灾研究所,北京,100022 |
| 摘 要： | 选取欧洲强震记录数据库中，同一台站记录到的两次地震以及两个不同台站记录到的同一地震的强震记录，分析了它们的PGA比值、卓越频率和反应谱的不确定性以及不确定性对结构反应的影响，得出：影响地震动不确定性的因素主要有震源机制、地震波传播途径、场地类别等。在此基础上，进一步分析了地震动不确定性对结构反应的影响。 |
| 关 键 词： | 地震动 卓越频率 反应谱 不确定性 结构反应 |
| 文章编号： | 1000-0666-(2006)02-0167-09 |
| 收稿时间： | 2005-04-13 |
| 修稿时间： | 2005年4月13日 |
Uncertainty of Ground Motion and Primary Analysisof Its Effect Factors |
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| DONG Di,ZHOU Xi-yuan,YAN Wei-ming,XU Guo-dong,YANG Run-lin.Uncertainty of Ground Motion and Primary Analysisof Its Effect Factors[J].Journal of Seismological Research,2006,29(2):167-175. | |
| Authors: | DONG Di ZHOU Xi-yuan YAN Wei-ming XU Guo-dong YANG Run-lin |
| Institution: | 1. Beifing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beifing University of Technology, Beijing 100022, China;2. Institute of Earthquake Engineering and Disaster Reduction, Beijing University of Technology, Beijing 100022, China |
| Abstract: | From the European strong ground motion database, on the basis of the same magnitude, epicenter distance and similar site condition, we collect the accelerations recorded by the same station but from different earthquakes and by different stations but from the same earthquake, and analyze the certainty of the PGA ratio of the corresponding components, predominant frequency and response spectra. The results show that there are many factors influencing the uncertainty of ground motion, such as focal mechanism, path of seismic wave propagation and site type, etc. According to this, we further analyze the influence of the uncertainty on structural response. |
| Keywords: | PGA |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |