| 双场点地震危险性分析方法及其应用 |
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| 引用本文： | 雷建成,高孟潭,吴健,亢川川. 双场点地震危险性分析方法及其应用[J]. 地震学报, 2010, 32(3): 310-319. DOI: 10.3969/j.issn.0253-3782.2010.03.006 |
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| 作者姓名： | 雷建成 高孟潭 吴健 亢川川 |
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| 作者单位： | 中国北京,100081,中国地震局地球物理研究所;中国成都,610041,四川省地震局;中国北京,100081,中国地震局地球物理研究所;中国成都,610041,四川省地震局 |
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| 基金项目： | 国家科技支撑计划,中国地震局重点项目 |
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| 摘 要： | 提出了双场点地震危险性分析方法,用以计算在相同地震构造环境中,相同地震作用下的相邻两个工程场点同时超越其给定地震动参数的概率.该方法是确定系统的危险段落、场点遭受的附加地震危险的有效工具.基于汶川MS8.0地震后大渡河干流及邻近地区的地震环境,以大渡河干流梯级水电站系统为例,确定了大渡河干流梯级水电站各个河段的地震危险性.其中危险性最高的3个河段是:龚嘴—铜街子河段、沙坪—龚嘴河段和大岗山—龙头石河段.
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| 关 键 词： | 双场点 地震危险性分析 梯级水电站 河段地震危险性 |
A bi-site seismic hazard analysis method and its application |
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| Lei Jiancheng,Gao Mengtan,Wu Jian,Kang Chuanchuan. A bi-site seismic hazard analysis method and its application[J]. Acta Seismologica Sinica, 2010, 32(3): 310-319. DOI: 10.3969/j.issn.0253-3782.2010.03.006 |
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| Authors: | Lei Jiancheng Gao Mengtan Wu Jian Kang Chuanchuan |
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| Affiliation: | Lei Jiancheng1,2),Gao Mengtan1) Wu Jian1) Kang Chuanchuan2)1) Institute of Geophysics,China Earthquake Administration,Beijing 10081,China2) Earthquake Administration of Sichuan Province,Chengdu 610041,China |
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| Abstract: | A bi-site seismic hazard analysis method is proposed to calculate the acceleration exceedance probability of the two nearby sites located in the same seismo-tectonical region and suffered the shaking induced by the same potential earthquake. This method is an effective tool for determining the dangerous segment of a linear spread system and calculating the additional seismic hazard from its neighbor site for a given site. Basing on the new seismic background after Wenchuan Ms8.0 earthquake and taking the ca... |
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| Keywords: | bi-site seismic hazard analysis cascade hydropower stations reach seismic hazard |
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