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  林国良,崔建文,杨黎薇,刘琼仙.景谷MS6.6、MS5.8和MS5.9地震强震动记录初步分析与场地效应研究[J].震灾防御技术,2016,11(2):331-341, DOI:10.11899/zzfy20160216.

景谷MS6.6、MS5.8和MS5.9地震强震动记录初步分析与场地效应研究
摘要:    2014年云南景谷先后发生MS6.6、MS5.8和MS5.9中强地震,云南强震动台网获取了丰富的加速度记录。本文整理了各次地震中固定台和流动台获取的强震动加速度记录资料,分别进行了地震动衰减关系和加速度反应谱分析,结果表明,所观测到的加速度峰值比云南地区地震动衰减关系预测值高,反应谱谱值随震级的增加有增大趋势。最后将益智强震台作为典型台站,分析了该台站在地震中的场地放大效应。
作者单位
林国良 (云南省地震局昆明650224) 
崔建文 (云南省地震局昆明650224) 
杨黎薇 (云南省地震局昆明650224) 
刘琼仙 (云南省地震局昆明650224) 
关  键  词:景谷地震  强震动记录  衰减关系  场地效应  H/V谱比
DOI:10.11899/zzfy20160216
基金项目:云南省地震局青年科学基金项目(201204)资助
收稿日期:2015-09-01
作者简介:林国良,男,生于1986年。硕士,工程师。主要从事强震动观测与工程地震研究。E-mail: linguoliang1986@126.com
通讯作者:
Preliminary Analysis of Strong Motion Observation and SiteEffect in Jinggu MS6.6, MS5.8 and MS5.9 Earthquakes
Abstract:      In 2014, three strong earthquakes(MS6.6, MS5.8 and MS5.9) occurred in Jinggu, Yunnan Province. Numerous strong motion recordings were recorded by Yunnan Digital Strong Motion Network. In this paper, those acceleration recordings from both permanent and mobile stations are collected and processed, and the ground attenuation relationship and acceleration response spectrum are statistically analyzed. The results show that the observed peak accelerations are larger than predictions by Yunnan attenuation relationship in near and middle field, and the response spectrum increases with an increase in magnitude value. Finally, we take Yizhi strong motion station as a typical station to study its site effect during earthquakes.
Keywords:  Jinggu earthquake  Strong motion recordings  Attenuation relationship  H/V spectrum ratio  Site effect
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