| 基于实测应力数据的北天山西部区域断层滑动趋势分析 |
| |
| 引用本文： | 张杰,王成虎,贾晋,徐鑫,刘卓岩.基于实测应力数据的北天山西部区域断层滑动趋势分析[J].西北地震学报,2018,40(1):73-78,91. |
| |
| 作者姓名： | 张杰 王成虎 贾晋 徐鑫 刘卓岩 |
| |
| 作者单位： | 中国地震局地壳应力研究所;中国地震局地壳动力学重点实验室;中国地质大学(北京)工程技术学院; |
| |
| 基金项目： | 国家自然科学基金资助项目（41574088） |
| |
| 摘 要： | 通过文献收集与整理,统计了主要由水压致裂法、应力解除法得到的北天山区域的应力数据。引入侧压力系数k、应力累积系数μm和断层摩擦系数μ,并根据Byerlee准则对计算数据进行分析,结果表明:研究区域应力积累程度较高,区域内整体较稳定,但局部断层滑动趋势风险较大。同时对研究区的地震分布进行统计,发现中西部和中东部区域小震频发,应力易得到释放;同时东北部和西北部小震频率低,推测为应力锁固段,应力积累程度高,若地震易发生强震;综合分析推测研究区断裂带更易沿NWW-SEE向滑动。
|
| 关 键 词： | 北天山 应力状态 滑动趋势 摩擦系数 Byerlee准则 |
| 收稿时间： | 2017/1/24 0:00:00 |
Fault Slip Tendency in the Western Area of North Tianshan Based on Measured In-situ Stress Data |
| |
| ZHANG Jie,WANG Chenghu,JIA Jin,XU Xin and LIU Zhuoyan.Fault Slip Tendency in the Western Area of North Tianshan Based on Measured In-situ Stress Data[J].Northwestern Seismological Journal,2018,40(1):73-78,91. |
| |
| Authors: | ZHANG Jie WANG Chenghu JIA Jin XU Xin and LIU Zhuoyan |
| |
| Institution: | Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;Key Laboratory of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;School of Engineering and Technology, China University of Geosciences(Beijing), Beijing 100083, China,Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;Key Laboratory of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China,Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;Key Laboratory of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China,Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;Key Laboratory of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;School of Engineering and Technology, China University of Geosciences(Beijing), Beijing 100083, China and Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;Key Laboratory of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;School of Engineering and Technology, China University of Geosciences(Beijing), Beijing 100083, China |
| |
| Abstract: | |
| |
| Keywords: | north Tianshan stress state slip tendency friction coefficient Byerlee''s law |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《西北地震学报》浏览原始摘要信息 |
| 点击此处可从《西北地震学报》下载免费的PDF全文 |
|
