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逆断层地震近场地震动影响场和地表形变模拟
引用本文:姜慧,沈军,俞言祥,许力生,柔洁.逆断层地震近场地震动影响场和地表形变模拟[J].地震工程与工程振动,2006,26(1):11-17.
作者姓名:姜慧  沈军  俞言祥  许力生  柔洁
作者单位:1. 新疆地震局,新疆,乌鲁木齐,830011;广东省地震局,广东,广州,510070
2. 新疆地震局,新疆,乌鲁木齐,830011
3. 中国地震局,地球物理研究所,北京,100081
基金项目:地震科学联合基金项目(课题号:103008)
摘    要:本文设计了一个MW7.0级地震的简单的逆断层有限移动源破裂模型,计算了断层周围64个观测点的加速度、速度和位移时程及峰值,简单讨论了近场地震动峰值、断层附近地表永久位移(或地表形变)的分布特点,并讨论了永久位移和地面运动速度大脉冲的关系。重点研究了断层附近三分量的永久位移(或地表形变)大小、方向和地震动作用特点。

关 键 词:动力模拟  逆断层  影响场  形变
文章编号:1000-1301(2006)01-0011-07
收稿时间:2005-01-24
修稿时间:2005-01-242005-08-10

Dynamic simulation of effect field of strong ground motions and deformation of ground near reverse fault
Jiang Hui,Shen Jun,Yu Yanxiang,Xu Lisheng,Rou Jie.Dynamic simulation of effect field of strong ground motions and deformation of ground near reverse fault[J].Earthquake Engineering and Engineering Vibration,2006,26(1):11-17.
Authors:Jiang Hui  Shen Jun  Yu Yanxiang  Xu Lisheng  Rou Jie
Institution:1. Earthquake Administration of XinJiang Autonomous Region, Urumqi 830011, China; 2. institute of Geophysics, China Earthquake Administration, Beijing 100081, China; 3. Earthquake Administration of Guangdong Province, Guangzhou 510070, China
Abstract:A simple model of finite mobile source of reverse fault with earthquake M_(W)7.0 is designed in the paper.The histories and peak values of strong ground motions(including acceleration,velocity,displacement) are calculated at 64 observation points around the fault.The distribution of peak values and permanent displacement(or deformation) near the fault,and the relationship between the permanent displacement and the large velocity pulses are discussed simply.The scales,the direction and the characteristics of the seismic action of three component permanent displacement(or deformation) are analyzed.
Keywords:dynamic simulation  reverse fault  effect field  deformation
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