Application of Microseismic Monitoring Technology in Safety Management of Ground Pressure Disaster in Dongguashan Copper Mine
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.
rock burstground pressure disastermicroseismic monitoringquantitative analysisse-curity management
万方数据
维普
