摘要
冲击地压是煤矿重大灾害之一,窑街矿区的3对矿井先后被评价为冲击地压矿井,经过分析和研究,该矿区冲击地压发生机理为厚硬顶板破断产生大能量震动,静载应力集中和矿震动载扰动叠加作用。依据冲击地压机理制定了冲击地压治理技术方案,矿区冲击地压发生的频率和能量得到有效控制,为矿井安全生产提供了保障。
Rock burst is one of the major disasters in coal mines.Three pairs of mines in Yaojie Mining Area have been evaluated as rock burst mines.After analysis and research,the mechanism of rock burst in this mining area was that the thick and hard roof breaks,which produced large energy vibration,static load stress concentration and mine vibration load disturbance superimpose.According to the mechanism of impact ground pressure,the technical scheme of the treatment of impact ground pressure was formulated.The frequency and energy of the impact ground pressure in the mining area are effectively controlled,which provided the guarantee for the safety of mine production.
作者
张军良
王露梅
鲁福成
ZHANG Jun-liang;WANG Lu-mei;LU Fu-cheng(Technical Innovation Center of Yaojie Coal Power Group Co.,Ltd.,Lanzhou 730084,China)
出处
《煤炭科技》
2021年第2期113-117,共5页
Coal Science & Technology Magazine
关键词
窑街矿区
冲击地压
防治技术
Yaojie Mining area
rock burst
prevention technology