[1]姜伟,陶夏新,陶正如,等.有限断层震源模型局部参数定标律[J].地震工程与工程振动,2017,01(6):023-30.[doi:10.13197/j.eeev.2017.06.23.jiangw.003]
 JIANG Wei,TAO Xiaxin,TAO Zhengru,et al.Scaling laws of local parameters of finite fault source model[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2017,01(6):023-30.[doi:10.13197/j.eeev.2017.06.23.jiangw.003]
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有限断层震源模型局部参数定标律
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《地震工程与工程振动》[ISSN:/CN:]

卷:
01
期数:
2017年6
页码:
023-30
栏目:
论文
出版日期:
2017-12-31

文章信息/Info

Title:
Scaling laws of local parameters of finite fault source model
作者:
姜伟12 陶夏新13 陶正如1 曹泽林3 王立媛1
1. 中国地震局 工程力学研究所, 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080;
2. 黑龙江八一农垦大学工程学院, 黑龙江 大庆 163319;
3. 哈尔滨工业大学 土木工程学院, 黑龙江 哈尔滨 150090
Author(s):
JIANG Wei12 TAO Xiaxin13 TAO Zhengru1 CAO Zelin3 WANG Liyuan1
1. Institute of Engineering Mechanics, China Earthquake Administration;Key Laboratory of Earthquake Engineering and Engineering Vibration of China Earthquake Administration, Harbin 150080, China;
2. Engineering College of Heilongjiang Bayi Agricultural University, Daqing 163319, China;
3. School of Civil Engineering Harbin Institute of Technology, Harbin 150090, China
关键词:
有限断层震源凹凸体局部震源参数定标律
Keywords:
finite fault sourceasperitylocal source parameterscaling law
分类号:
P315
DOI:
10.13197/j.eeev.2017.06.23.jiangw.003
摘要:
从eQuake-RC的有限断层源破裂模型数据库等来源收集、整理了全球范围的211个地震的错动分布,逐一从中提取局部震源参数,区分板内地震和俯冲带地震,建立了三种破裂类型的凹凸体参数,包括最大凹凸体和其它凹凸体的面积、长度,平均错动量,凹凸体中心和破裂起始点的坐标等与相应全局参数的定标律。经过对比分析,发现凹凸体参数与全局参数关系比与矩震级关系的离散性和相对误差都小得多。与相关文献的结果比较,由于本文数据量的大幅度增加,得到的有限断层模型局部参数定标律的可靠性有很大提高。
Abstract:
The world wide data of slip distribution on the rupture plane of 211 earthquakes are collected from the Finite-Source Rupture Model Database on eQuake-RC web site and other data sources. Values of local parameters, mainly on asperity, are acquired from each slip diagram. Scaling laws of the parameters, such as area, length, average slip of the maximum asperity and the other asperity, local coordinates of the asperity center and the rupture starting point, are developed respectively for three rupture types and two kinds of seismo-tectonic characteristics, intraplate and subduction zone. Based on our contrastive analysis, we find that the discreteness and relative error of the relationship between asperity parameters and the corresponding global parameters is much smaller than those between asperity parameters and moment magnitude, and compared with those from references, which shows that our study improves the reliability of scaling laws of local parameters in the finite-fault model due to the amount of data greatly increased.

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备注/Memo

备注/Memo:
收稿日期:2017-01-17;改回日期:2017-04-05。
基金项目:国家自然科学基金项目(51678540,51178151,51478443,51178435)
作者简介:姜伟(1980-),男,讲师,博士研究生,主要从事地震动衰减研究.E-mail:jiangwei429@126.com
通讯作者:陶夏新(1949-),男,教授,博士,主要从事工程地震学研究.E-mail:taoxiaxin@aliyun.com
更新日期/Last Update: 1900-01-01