摘要
急倾斜特厚煤层煤岩冲击地压是煤层开采过程中一种常见的动力灾害表现形式,其产生机制和发生规律具有复杂性和多变性,导致对其的监测比较困难。本文针对乌东煤矿南采区+475水平煤岩冲击倾向性工作面矿压灾害显现监测难题,通过对微震+地音在线监测和电磁辐射+钻屑法辅助监测技术应用进行深入研究,实现急倾斜特厚煤层工作面煤岩冲击地压全方位监测分析及预测,为急倾斜特厚煤层综放工作面煤岩冲击动力灾害预报预测提供依据和技术支持。
Steeply inclined thick coal rockburst impact is a form of dynamic stress disasters in the process of coal mining, its generation mechanism and regularity are complex and variable, and then its monitoring is difficult. This paper, aiming at work face mining pressure disasters of ＋ 475 level at south mining area of Wudong Mine, used seismic and sound on-line monitoring technology and auxiliary electromagnetic radiation and drilling cuttings method to conduct application research, realize coal rockburst monitoring analysis and prediction of steep thick coal seam work face, providing guidance and technical support for coal rock burstdynamie disaster tendency prediction of fully mechanized cave mining work face at steep thick coal seam.
出处
《中国煤炭》
北大核心
2017年第4期65-68,共4页
China Coal
关键词
急倾斜特厚煤层
冲击地压
冲击倾向性
监测技术
steep thick coal seam, rock burst, burst potentiality, monitoring technique
