基于目标风险的地震区划图

潘华 张萌

潘华,张萌. 2022. 基于目标风险的地震区划图. 地震学报,44(5):743−751 doi: 10.11939/jass.20220161
引用本文: 潘华,张萌. 2022. 基于目标风险的地震区划图. 地震学报,44(5):743−751 doi: 10.11939/jass.20220161
Pan H,Zhang M. 2022. Risk-targeted seismic zoning maps. Acta Seismologica Sinica,44(5):743−751 doi: 10.11939/jass.20220161
Citation: Pan H,Zhang M. 2022. Risk-targeted seismic zoning maps. Acta Seismologica Sinica44(5):743−751 doi: 10.11939/jass.20220161

基于目标风险的地震区划图

doi: 10.11939/jass.20220161
基金项目: 中国地震局地球物理研究所基本科研业务费专项(DQJB21K51)资助
详细信息
    通讯作者:

    潘华,博士,研究员,主要从事地震区划、概率地震危险性分析、地震活动性等方面的研究,e-mail:panhua.mail@163.com

  • 中图分类号: P315.9

Risk-targeted seismic zoning maps

  • 摘要: 为保证国土范围内建筑倒塌风险的一致性,提出了基于目标风险的地震区划图。该图通过求取地震危险性曲线与结构易损性曲线的卷积的风险积分方法计算目标风险。本文介绍了采用风险积分法确定基于目标风险的地震动参数的基本原理,回顾了这项技术在国内外研究与应用的最新进展。此外,还讨论了基于目标风险的地震区划图未来的发展及可能面临的问题。

     

  • 图  1  美国西部基于目标风险的1 s谱加速度抗震设计图(引自ASCE,2010

    Figure  1.  Risk-targetedseismic design map of 1 s spectrum acceleration in the western United States (after ASCE,2010

    图  2  法国大陆基于目标风险的PGA抗震设计图(引自Douglas et al,2013

    Figure  2.  Seismic design map of risk-targeted PGA in France (after Douglas et al,2013

    图  3  欧洲大陆基于目标风险的PGA风险系数图(引自Silva et al,2016

    Figure  3.  Risk coefficients map of risk-targeted PGA in Europe (after Silva et al,2016

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出版历程
  • 收稿日期:  2022-07-30
  • 修回日期:  2022-08-31
  • 网络出版日期:  2022-09-14
  • 刊出日期:  2022-09-15

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