复杂群空区微震监测技术应用研究  

Application of Microseismic Monitoring Technique on Complex Goaf Group

作　　者：王旭[1,2] 唐绍辉[1,2] 郭晓强[1,2] 

机构地区：[1]长沙矿山研究院有限责任公司,湖南长沙410012 [2]金属矿山安全技术国家重点实验室,湖南长沙410012

出　　处：《矿业研究与开发》2017年第4期1-4,共4页Mining Research and Development

基　　金：国家安全生产监督管理总局安全生产重大事故防治关键技术科技项目(hunan-0010-2014AQ);湖南省安全生产财政专项资金项目

摘　　要：结合某矿山采空区赋存现状,设计建立一套24通道数字化微震监测系统。通过系统定位精度预测及敏感度分析,完成11次信号炮校准,采用台网误差数值仿真软件进行模拟计算,使目标区域震源定位精度控制在15~20 m范围以内。基于1a的监测数据,采用空间分布分析、能量插值分析、时间序列分析、地震学参数分析,综合评价矿井范围内近1a微震活动性状况及能量迁移规律,并用于指导矿山实际生产。Combined with present situation of goal group in a mine, a set of 24-channel digital microseismic monitoring system was designed and built. By positioning precision predictionand sensitivity analysis, 11 alarm guns were calibrated, and the nu- merical simulation software was used to simulate the network errors, so as to control the location precision of target source within the range of 15 - 20 m. Based on monitoring data for a year,the microseismic activities and energy migration rules of the mine within a year were comprehensively evaluated by spatial distribution analysis, energy interpolation analysis, time series analysis and seismological parameters analysis. Finally, the resuks were used to guide the actual production of the mine.

关 键 词：采空区 微震监测 精度调试 数值模拟 

分 类 号：TD853.391[矿业工程—金属矿开采]