| 汶川地震远场地震动特征及其对长周期结构影响的分析 |
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| 引用本文： | 杨伟林,朱升初,洪海春,陶小三,唐忠良.汶川地震远场地震动特征及其对长周期结构影响的分析[J].防灾减灾工程学报,2009,29(4):473-478. |
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| 作者姓名： | 杨伟林 朱升初 洪海春 陶小三 唐忠良 |
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| 作者单位： | 江苏省地震工程研究院,南京,210014 |
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| 基金项目： | 江苏省自然科学基金项目，江苏省交通科学研究计划项目 |
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| 摘 要： | 汶川8.0级大地震中,中国数字强震动台网获得了大量的数字强震动记录,这些记录特别是远场记录具有丰富的长周期地震动分量。本文根据东南强震动中心获取的区域数字强震动记录,分析汶川8.0级地震的远场地震动特征,研究了基岩场地及深厚软弱场地的长周期地震动及其差异;根据长周期结构的特点,选取建于深厚软弱场地上的江苏A050强震台的超长地震记录进行结构地震反应分析,研究汶川8.0级地震对远场长周期结构的影响,并结合实际震害特点,提出了长周期结构抗震及地震安全对策中一些值得注意和思考的问题。
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| 关 键 词： | 汶川8.0级地震 远场地震动特征 长周期结构 地震反应分析 |
Characteristics of Far-Field Ground Motion of Wenchuan Earthquake and the Effect on Long-Periodic Structures |
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| YANG Wei-lin,ZHU Sheng-chu,HONG Hai-chun,TAO Xiao-san,TANG Zhong-liang.Characteristics of Far-Field Ground Motion of Wenchuan Earthquake and the Effect on Long-Periodic Structures[J].Journal of Disaster Prevent and Mitigation Eng,2009,29(4):473-478. |
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| Authors: | YANG Wei-lin ZHU Sheng-chu HONG Hai-chun TAO Xiao-san TANG Zhong-liang |
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| Institution: | YANG Wei-lin,ZHU Sheng-chu,HONG Hai-chun,TAO Xiao-san,TANG Zhong-liang(Earthquake Engineering Institute of Jiangsu Province,Nanjing 210014,China) |
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| Abstract: | After the Wenchuan M8.0 extraordinary earthquake occurred in Sichuan province on May 12,lots of digital strong motion records are gained by the China Digital Strong Motion Seismograph Network.The records,especially far-field records,provide ample ground motion component of long period structures.According to the digital strong motion records of several South-East provinces,the characteristics of far-field ground motion of the Wenchuan M8.0 extraordinary earthquake are analyzed,and the long-period ground mot... |
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| Keywords: | Wenchuan M8 0 extraordinary earthquake characteristics of far-field ground motion long-period structure seismic response analysis |
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