Site effect on strong-motion records of the 2011 Mw9.0 Tohoku earthquake in Japan

被引：4
|
作者：
Li Heng [1 ,2 ]
Wang Ping [1 ,2 ]
Feng Qian [1 ,2 ]
Li Guanghong [1 ,2 ]
Zhang Xinlin [3 ]
机构：
[1] Chins Earthquake Adm, Inst Seismol, Wuhan 430071, Hubei, Peoples R China
[2] Wuhan Inst Earthquake Engn, Wuhan 430071, Hubei, Peoples R China
[3] Univ Tokyo, Earthquake Inst, Tokyo 1130032, Japan
来源：
GEODESY AND GEODYNAMICS | 2011年 / 2卷 / 03期
基金：
中国国家自然科学基金;
关键词：
site condition; characteristic period; long period; underground structure; design response spectrum;
D O I：
10.3724/SP.J.1246.2011.00037
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Strong-motion site effect was checked for four sites at comparable epicentral distances from the March 11, 2011 Mw9. 0 Tohoku earthquake in Japan. The result showed that site condition had a significant impact on peak acceleration, and on maximal amplitude and characteristic period of its response spectrum. Shorter-period seismic waves were amplified mainly in shallower soils, while longer-period waves in deeper soft rocks and soils, where the characteristic periods of response spectra were longer than those on ground surface.
引用
收藏
页码：37 / 41
页数：5
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