| The effect of local irregular topography on seismic ground motion |
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| 引用本文： | 刘晶波. The effect of local irregular topography on seismic ground motion[J]. 地震学报(英文版), 1996, 9(2): 309-315. DOI: 10.1007/BF02651075 |
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| 作者姓名： | 刘晶波 |
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| 作者单位： | Department of Civil Engineering，Tsinghua University Beijing 100084，China |
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| 摘 要： | Ｔｈｅｅｆｆｅｃｔｏｆｌｏｃａｌｉｒｒｅｇｕｌａｒｔｏｐｏｇｒａｐｈｙｏｎｓｅｉｓｍｉｃ ｇｒｏｕｎｄ ｍｏｔｉｏｎＪＩＧ－ｈｏＬＩＵ（刘晶波）（ＤｅｐａｒｔｍｅｎｔｏｆＣｉｖｉｌＥｎｇｉｎｅｅｒｉｎｇ，ＴｓｉｎｇｈｕａＵｎｉｖｅｒｓｉｔｙＢｅｉｊｉ...
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| 收稿时间： | 1994-11-14 |
| 修稿时间： | 1995-11-25 |
The effect of local irregular topography on seismic ground motion |
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| JIG-ho LIU. The effect of local irregular topography on seismic ground motion[J]. Acta Seismologica Sinica(English Edition), 1996, 9(2): 309-315. DOI: 10.1007/BF02651075 |
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| Authors: | JIG-ho LIU |
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| Affiliation: | (1) Department of Civil Engineering, Tsinghua University, 100084 Beijing, China |
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| Abstract: | Effects of irregUlar topography on ground motion for incident P, SV and the propagation of Rayleigh waves are studied by combining finite element method with modified transmitting boundary. TheoretiCal models include isolated protrUding topography and similar adjacent Protruding topography. The concluaion drawn from thisstudy is that the effects Of isolated protruding topography are remarkably larger for Rayleigh wave propagation than for P and SV they waves; Considering adjacent irregUlar toography ground motion is amplified, the duration of ground motion becomes longer and the speCtral ratios exhibit narrowband peaks Considering adjacent irregular topography and Rayleigh wave Propagation, the theoretical results wb more approach the results obtained in practice. |
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| Keywords: | ground motion irregular topography seismic wave |
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