利用强震记录分析场地的地震反应

被引:32
作者
章文波
谢礼立
郭明珠
机构
[1] 中国地震局工程力学研究所
关键词
场地反应; S波线性反演; 谱比; 接收函数; 品质因子;
D O I
暂无
中图分类号
P315 [地震学];
学科分类号
摘要
利用唐山近场强震记录对如何分析场地反应进行研究 ,分析比较了多种方法 :线性反演法、传统的谱比法以及接收函数法 .通过比较研究 ,发现各种方法都能给出土层场地的卓越周期 ,但每种方法给出的场地反应不完全相同 .其中 ,传统的谱比法与线性反演法的结果较为接近 ,而接收函数法的结果则同其它两种方法的结果相差较大 .在线性反演法中 ,给出了 S波的品质因子 QS,QS在 0 .5~ 32 Hz范围内与频率有关 :QS(f) =67f1 .
引用
收藏
页码:604 / 614+672 +672
页数:12
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