冲击地压发生前微震活动时空变化的分形特征  

Fractal Character of the Time-Space Change of Microseismicity before Coal Outbursts or Rockbursts

作　　者：李玉[1] 黄梅[1] 廖国华[1] 张连城[1] 关杰[1] 

机构地区：[1]北京科技大学矿业研究所,北京矿务局

出　　处：《北京科技大学学报》1995年第1期10-13,共4页Journal of University of Science and Technology Beijing

摘　　要：矿山微震活动隐含着冲击地压趋势的信息，根据分形几何学观点研究了门头沟煤矿冲击地压发生前微震活动的时间分维特征。结果表明，冲击前微震信息的时间分维可以作为冲击地压的预测指标之一。The some information of coal outbursts or rockbursts must be contained in microseismicity before coal outburet or rockburst in mining. In the paper, the feature of time fractal dimension of microseismicity before coal outburst or rockburst in mining is studied by using fractal geometry.It is shown that the time fractal dimension of microseismicity information before coal outburot or rockburst may be used as one of indexes of predicting coal outburst or rockburst.

关 键 词：冲击地压 微震 分形几何 分维 矿山压力 

分 类 号：TD324.1[矿业工程—矿井建设]