| 马衔山北缘断裂西段6.5级地震对兰州市及周边地区的影响 |
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| 引用本文： | 刘海明,陶夏新,孙晓丹,李萍.马衔山北缘断裂西段6.5级地震对兰州市及周边地区的影响[J].西北地震学报,2008,30(3):227-231,244. |
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| 作者姓名： | 刘海明 陶夏新 孙晓丹 李萍 |
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| 作者单位： | 1. 哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090;重庆交通科研设计院,重庆,400067
2. 哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090 |
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| 基金项目： | 国家自然科学基金，国家科技支撑计划 |
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| 摘 要： | 位于兰州市南侧NW走向的马衔山北缘断裂是发生强烈地震最危险的地段.本文采用混合震源模型和随机合成高频地震动方法,研究了该断裂西段发生6.5级地震可能引起的兰州市及周边地区的地震动分布,给出了PGA分布图.
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| 关 键 词： | 兰州 盆地地震反应 混和震源模型 随机合成 传递函数 数值格林函数 |
Forecasting of the Strong Ground Motion Field in Lanzhou City and Its Vicinity Caused by M6.5 Earthquake on the Western Segment of Maxianshan North Margin Fault |
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| LIU?Hai-ming,TAO?Xia-xin,SUN?Xiao-dan and LI?Ping.Forecasting of the Strong Ground Motion Field in Lanzhou City and Its Vicinity Caused by M6.5 Earthquake on the Western Segment of Maxianshan North Margin Fault[J].Northwestern Seismological Journal,2008,30(3):227-231,244. |
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| Authors: | LIU?Hai-ming TAO?Xia-xin SUN?Xiao-dan and LI?Ping |
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| Abstract: | The Maxianshan north margin fault with strike NW crossing through south of Lanzhou city is the most dangerous place for a future strong earthquake to the city. Using the hybrid source model and the method of stochastic synthesizing high-frequency ground motion, the strong ground motion field in Langzhou city and its vicinity from an earthquake with magnitude 6.5 on the western segment of the fault is forecasted in this paper, the spatial characteristics and pattern of the field is summarized. |
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| Keywords: | Lanzhou Basin seismic response Hybrid source model Stochastic synthesis Transfer function Numerical Green function |
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