Numerical analysis of the effects induced by normal faults and dip angles on rock bursts

被引：49
作者：
Jiang, Lishuai [1 ]
Wang, Pu [1 ]
Zhang, Peipeng [2 ]
Zheng, Pengqiang [2 ]
Xu, Bin [1 ]
机构：
[1] Shandong Univ Sci & Technol, Shandong Prov & Minist Sci & Technol, State Key Lab Min Disaster Prevent & Control, Qingdao 266590, Peoples R China
[2] Shandong Univ Sci & Technol, Dept Resources & Civil Engn, Tai An 271000, Shandong, Peoples R China
来源：
COMPTES RENDUS MECANIQUE | 2017年 / 345卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Normal fault; Dip angle of a fault; Strata behaviors; Instability of a fault; Rock burst; STRESS; SIMULATION; ROCKBURST; ZONE; SLIP; MINE; DISTURBANCE; STABILITY; MOVEMENT; PRESSURE;
D O I：
10.1016/j.crme.2017.06.009
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The study of mining effects under the influences of a normal fault and its dip angle is significant for the prediction and prevention of rock bursts. Based on the geological conditions of panel 2301N in a coalmine, the evolution laws of the strata behaviors of the working face affected by a fault and the instability of the fault induced by mining operations with the working face of the footwall and hanging wall advancing towards a normal fault are studied using UDEC numerical simulation. The mechanism that induces rock burst is revealed, and the influence characteristics of the fault dip angle are analyzed. The results of the numerical simulation are verified by conducting a case study regarding the microseismic events. The results of this study serve as a reference for the prediction of rock bursts and their classification into hazardous areas under similar conditions. (C) 2017 Acadmie des sciences. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：690 / 705
页数：16
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