The underground rock burst disaster in Dongguashan Copper Mine is prominent,especially in the back mining column,it is easy to induce roof caving,which brings challenges to the safety manage-ment of mine ground pressure disaster.Combined with the characteristics of rockburst disaster in Dong-guashan Copper Mine,the monitoring area was selected to carry out the network design of microseismic mon-itoring system,and the method of quantitative analysis of rock burst disaster activity based on three-dimen-sional visualization model space partition was proposed.By analyzing the temporal and spatial distribution characteristics of microseismic data and the correlation between microseismic event activities and produc-tion activities,effective measures for rock burst disaster control are obtained.For example,adjusting the working surface to bypass the stress concentration area,optimizing the blasting parameters to reduce the dis-turbance to the surrounding rock,timely filling and strengthening the support measures in the dangerous ar-ea in advance.The microseismic monitoring technology can grasp the situation of rockburst disaster in time,and then provide a scientific evidences for the safety management of ground pressure disaster.
关键词
岩爆/地压灾害/微震监测/定量分析/安全管理
Key words
rock burst/ground pressure disaster/microseismic monitoring/quantitative analysis/se-curity management
维普
万方数据