[1]胡进军,杨泽西,谢礼立.海域地震动研究现状分析[J].世界地震工程,2019,35(03):028-36.
 HU Jinjun,YANG Zexi,XIE Lili.Review on the research of offshore ground motions[J].,2019,35(03):028-36.
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海域地震动研究现状分析
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《世界地震工程》[ISSN:/CN:]

卷:
35
期数:
2019年03期
页码:
028-36
栏目:
出版日期:
2019-10-20

文章信息/Info

Title:
Review on the research of offshore ground motions
作者:
胡进军 杨泽西 谢礼立
中国地震局工程力学研究所 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080
Author(s):
HU Jinjun YANG Zexi XIE Lili
Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China
关键词:
海域地震动场地条件地震动特征衰减关系
Keywords:
offshore ground motionssite conditionsground motion characteristicattenuation relationship
分类号:
P315.9
摘要:
海域地震动是海洋工程建设必须考虑的因素,近年来学者们对海域地震动做了大量研究,这些研究涵盖海域地震动的各方面。为总结对海域地震动特性的研究成果并分析存在的问题,分类阐述了不同学者对海域地震的研究结果。根据采用的研究方法可分为解析方法、数值模拟方法和统计方法。在此基础上,归纳了不同研究方法得出的海域地震动场地影响与传播规律的结论:解析方法与数值方法得出的结论侧重于分析海域地震动受海水、淤泥沉积层与地形等场地条件的影响;统计方法得出的结论集中在海域地震动与陆地地震动在地震动特性与传播规律方面的差异,这些结论可以为采用相同方法的研究提供参考。最后,对当前研究中存在的问题进行探讨,由于数据相对匮乏,导致缺少对海域地震动与陆域地震动差异的定量分析,也缺少对海域地震动不确定性的分析。
Abstract:
Offshore ground motions should be considered in the development and construction of the ocean engineering. In recent years, researches on multiple aspects of the sea-area ground motions have been done.In order to summarize the achievements of the studies on the sea-area ground motionsand analyze the existing problems, the research results from different researches on the sea-area ground motionsare classified according to the research methods, which can be divided into analytical methods, numerical simulation methods and statistical methods. On this basis, the results about the influence of seafloor site condition and propagation law in the sea-area from different researchers are summarized. The analytical and numerical simulation methods are mainly used to analyze the influence of site conditions such as seawater, silt sedimentary layer and topography on the sea-area ground motions, while the statistical methods is mainly used to study the differences of ground motion characteristics and propagation principals between sea-area and land ground motions. And the results can be referenced in the future studies using the same method. Finally, the existing problems in the current research are discussed. Due to the relative lack of data, there is a lack of quantitative analysis of the difference between sea-area and land ground motions, as well as the analysis of the uncertainty of sea-area ground motions.

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备注/Memo

备注/Memo:
收稿日期:2018-11-16;改回日期:2019-01-09。
基金项目:国家重点研发计划项目(2017YFC1500403);国家自然科学基金项目(51578516)
作者简介:胡进军(1978-),男,研究员,博士,主要从事地震动参数特征与设计地震动研究工作.E-mail:hujinjun@iem.ac.cn
更新日期/Last Update: 1900-01-01