摘要
以大屯矿区孔庄煤矿7433工作面为工程背景,对其工作面参数进行优化,主要包括开切眼位置和区段煤柱的优化设计,并对优化前后工作面回风巷侧垂直应力进行对比分析,可以看出工作面布置参数优化后在回采初期可以很好的降低工作面的应力集中程度,可以很好地起到冲击矿压区域防范效果。研究结论为孔庄煤矿其他工作面、大屯矿区其他矿井以及其他深埋复杂地质条件下的冲击矿压矿井的冲击矿压区域防范提供依据。
Based on the background of 7433 coalface in Kongzhuang Coal Mine, the parameters of coalface are optimized, which mainly includes the optimization of open-off cut position and coal pillar, with comparison analysis of the vertical stress on the side of ventilation roadway before and after optimization, which indicates that stress concentration at the beginning of stoping is decreased and better effect of rock-burst prevention is gained after optimizing the parameters. The conclusion of this paper provides the basis of rock-burst prevention to other coalfaces in Kongzhuang Coal Mine, Datun Mining Area and other coal mines which are under the deep buried and complex geological conditions.
出处
《煤矿安全》
CAS
北大核心
2016年第2期84-87,共4页
Safety in Coal Mines
基金
国家自然科学基金青年科学基金资助项目(51204165)
"十二五"国家科技支撑计划资助项目(2012BAK04B06)
江苏高校优势学科建设工程资助项目(SZBF2011-6-B35)
关键词
复杂地质条件
冲击矿压
开切眼
区段煤柱
优化设计
complex geological condition
rock burst
open-off cut
section coal pillar
optimization design
