姚安6.5级地震场地与震害的关系
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摘要
介绍了姚安 6 5级地震震区地质概貌和场地特征。以 10 0多个现场调查点资料为基础 ,将影响震害的四种主要因素 ,按其影响轻重分类 ,用震害指数分析了该次地震的震害分布和局部场地特征对震害的影响。结果表明 ,震区未形成震害异常区 ,但有震害异常点存在。在影响震害的诸多场地因素中 ,以地基土特性的影响最为严重。
This paper has introduced the geological features and site characteristics in Yao'an M6.5 seismic area. There are four kinds of factors affecting seismic disasters based on the data collected in more than 100 point surveys. We have analyzed the disaster distribution and site influence to the seismic disasters by using index of seismic disaster. The results show that it does not form anomalous area of seismic disasters in the seismic area, but has anomalous points. The site soil is the most significant to influence the seismic disaster in many factors.
引文
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    [3]通海地震影响场调查组通海地震的烈度分布与场地影响[A].地震工程研究报告集第三集.北京:科学出版社,1977
    [4]陈达生.云南澜沧—耿马地震震害论文集[C].北京:科学出版社,1991

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