Research on micro-seismic Locating Technology of Coal and Gas Outburst
The characteristic of micro-seismic (MS) events can provide the augural information of coal and gas outburst. It has a widespread prospect to forecast coal and gas outburst. According to the rule of the elastic wave spreading in the coal mass, the first arriving P wave which spreads in the coal and rock mass was collected as the MS location parameter. Combining the in-situ working face condition of coal and gas outburst, not only the information of MS event that spreads in roof and floor is received, but also the channel wave information of MS event that spreads in coal mass is collected, this paper established an MS event model of coal and gas outburst. It chose spatial geometric location method to locate the MS event points, and used the method of variance analysis to correct the location result which is far from the geometric center point. It established information database of detector positions, managed collection data and realized the plane projection and 3D section display by VC++ programming. It is effective to raise the locating accuracy with the method and is convenient to show the MS event points of coal and gas outburst.
coal and gas outburst MS locating dynamic timely display
Cheng Jiu-long D.H. Steve Zou Qu Jun-hao Tian Li
Key Laboratory of Mine Disaster Prevention and Control, Shandong University of Science and Technolog Dalhousie University, Halifax, Nova Scotia, Canada Z
国际会议
The 2007 International Symposium on Safety Science and Technology(2007采矿科学与安全技术国际学术会议)
河南焦作
英文
1364-1369
2007-04-17（万方平台首次上网日期，不代表论文的发表时间）