STUDY ON OVERLYING STRATA STRUCTURE DEFORMATION AND ROCKBURST PREDICTABILITY IN DEEP MINES
Through the observation of overlying strata structure deformation, ground movement, room test and numerical calculation analysis, it is found that large-scale separation interspace in bending stnp upside crack strip is caused by un-consistency of overlying strata subsidence movement in deep mines. Different characters of movement and deformation of overlying strata and ground are made of periodic caving of separation interspace with work face mining. Conglomerate layer movement is the main mechanism of rockburst according to field observation. Rockburst changes periodically as conglomerate layer moves periodically. Practice indicates that the method for forecasting and predicting rockburst using the information of overlying strata structure deformation and ground movement observation is feasible and can be used in mines with similar geological conditions.
WEI-JIA GUO JIN-XIAO LIU XI-KUN CHANG
Key Laboratory of Mine Disaster Prevention and Control,Shandong University of Science and Technology Qingdao, 266510, P.R.China
国际会议
The 7th International Symposium on Rockburst and Seismicity in Mines(2009年第七届国际岩爆与微振动性学术研讨会)
大连
英文
1153-1160
2009-08-21（万方平台首次上网日期，不代表论文的发表时间）