Evaluation of strong ground motion at Imagawa, Urayasu City, during the 2011 off the Pacific coast of Tohoku Earthquake

被引：1
|
作者：
Hata, Y. [1 ]
Ichii, K. [2 ]
Nozu, A.
Maruyama, Y. [3 ]
Sakai, H. [4 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan
[2] Hiroshima Univ, Grad Sch Engn, Hiroshima 730, Japan
[3] Chiba Univ, Grad Sch Engn, Chiba, Japan
[4] Hosei Univ, Fac Engn & Design, Tokyo, Japan
来源：
SOILS AND FOUNDATIONS | 2014年 / 54卷 / 04期
关键词：
Aftershock observation; Microtremnor measurement; Site effect; Seismic motion; Ground liquefaction; IGC; E8; D7;
D O I：
10.1016/j.sandf.2014.06.003
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Serious damage due to ground liquefaction occurred in Urayasu City, located in the coastal area around Tokyo Bay, during to the 2011 off the Pacific coast of Tohoku Earthquake (M-w 9.0). In particular, extensive liquefaction was observed in the Imagawa District of Urayasu City. In order to investigate the mechanism of damage and to establish appropriate countermeasures, it is very important to evaluate the strong ground motion in the Imagawa District. For this purpose, aftershock observations and microtremor measurements were carried out in and around the Imagawa District. Then, site effects in the Imagawa District were evaluated based on the microtremor H/V spectral ratios and the aftershock records. (C) 2014 The Japanese Geotechnical Society. Production and hosting by Elsevier B.V. All rights reserved.
引用
收藏
页码：573 / 587
页数：15
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