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| Long-period of the 1999 ground motion characteristic Jiji （Chi-Chi）, Taiwan, mainshock and aftershocks | |
| 引用本文： | 李春锋 张旸 赵金宝 唐晖. Long-period of the 1999 ground motion characteristic Jiji （Chi-Chi）, Taiwan, mainshock and aftershocks[J]. 地震学报(英文版), 2006, 19(4): 448-460. DOI: 10.1007/s11589-004-0448-y |
| 作者姓名： | 李春锋 张旸 赵金宝 唐晖 |
| 作者单位： | [1]Institute of Geophysics, China Earthquake Administration, Beijing 100081, China [2]AVIC Institute of Geotechnical Engineering, Beijing 100098, China [3]Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China |
| 基金项目： | Nationalrqatural Science Foundation of China （50278090）. Contribution No. 06FE3021, Institute of Geophysics, China Earthquake Administration. |
| 摘 要： | This paper investigates long-period ground motion characteristic of the 1999 Jiji （Chi-Chi）, Taiwan, mainshock and aftershocks on the basis of lots of high quality digital strong motion records. The study attaches the importance to the variation of strength of the long-period ground motion with the magnitude, distance, and site condition. In the meantime, the near-fault long-period ground motion characteristic is analyzed. The result shows that the shape of the long-period response spectrum is mainly controlled by site condition and magnitude （the spectrum of class D＋E is wider than that of class B＋C, and the spectrum of larger magnitude is wider than that of smaller magni- tude）, and the effect of fault distance on the shape is not evident. And near-fault long-period ground motion characteristic depends on fault activity apparently, that is to say, the long-term ground motion in the hanger is stronger than that in the footwall, and the long-term ground motion in the north is stronger than that in the south. |
| 关 键 词： | 地震 震区 地面运动 台湾省 |
| 文章编号： | 1000-9116（2006）04-0448-13 |
| 收稿时间： | 2005-09-28 |
| 修稿时间： | 2006-05-31 |
Long-period ground motion characteristic of the 1999 Jiji (Chi-Chi), Taiwan, mainshock and aftershocks |
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| LI Chun-feng,ZHANG Yang,ZHAO Jin-bao,TANG Hui. Long-period ground motion characteristic of the 1999 Jiji (Chi-Chi), Taiwan, mainshock and aftershocks[J]. Acta Seismologica Sinica(English Edition), 2006, 19(4): 448-460. DOI: 10.1007/s11589-004-0448-y | |
| Authors: | LI Chun-feng ZHANG Yang ZHAO Jin-bao TANG Hui |
| Affiliation: | 1. Institute of Geophysics, China Earthquake Administration, Beijing 100081, China 2. A VIC Institute of Geotechnical Engineering, Beijing 100098, China 3. Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China |
| Abstract: | This paper investigates long-period ground motion characteristic of the 1999 Jiji (Chi-Chi), Taiwan, mainshock and aftershocks on the basis of lots of high quality digital strong motion records. The study attaches the importance to the variation of strength of the long-period ground motion with the magnitude, distance, and site condition. In the meantime, the near-fault long-period ground motion characteristic is analyzed. The result shows that the shape of the long-period response spectrum is mainly controlled by site condition and magnitude (the spectrum of class D+E is wider than that of class B+C, and the spectrum of larger magnitude is wider than that of smaller magnitude), and the effect of fault distance on the shape is not evident. And near-fault long-period ground motion characteristic depends on fault activity apparently, that is to say, the long-term ground motion in the hanger is stronger than that in the footwall, and the long-term ground motion in the north is stronger than that in the south. Contribution No. 06FE3021, Institute of Geophysics, China Earthquake Administration. |
| Keywords: | Jiji (Chi-Chi) earthquake long-period ground motion response spectrum Chelongpu (Chelungpu) fault |
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