基于微震监测的煤矿防治水预测方法
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摘要
针对隐蔽性导水构造的精细探查技术与装备不足,利用井下高精度微地震监测系统,可以实现对开采过程中的岩层破裂规律、构造活化过程进行三维连续动态监测,结合采场覆岩空间结构理论,进行底板突水的监测和预警。工程实践证明:微震监测能够准确判断出工作面岩层破裂范围,岩层运动异常区域,建立基于定位结果和岩体破裂场的定量描述模型,该技术能够准确实现突水监测的超前预警预报。
Aiming at the deficiency of fine exploration technology and equipment of hidden water conducted structure,it used underground high-precision microseismic monitoring system to carry out 3D continuous dynamic monitoring for rock fracture law and tectonic activation in the mining process.Combined with the spatial structure theory of stope overlying strata,it conducted water inrush monitoring and early warning.The engineering practice proved that microseismic monitoring could accurately judge the rock fracture range of working face,anomalous areas of rock movement,it established the quantitative description model based on positioning results and rock fracture field,this technology could accurately realize the advance warning and forecast for water inrush monitoring.
Aiming at the deficiency of fine exploration technology and equipment of hidden water conducted structure,it used underground high-precision microseismic monitoring system to carry out 3D continuous dynamic monitoring for rock fracture law and tectonic activation in the mining process.Combined with the spatial structure theory of stope overlying strata,it conducted water inrush monitoring and early warning.The engineering practice proved that microseismic monitoring could accurately judge the rock fracture range of working face,anomalous areas of rock movement,it established the quantitative description model based on positioning results and rock fracture field,this technology could accurately realize the advance warning and forecast for water inrush monitoring.
引文
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[10]曾志龙,孔令海,姜福兴,等.基于微地震监测的大水量矿区厚煤层围岩破裂特征[J].矿业安全与环保,2012(2).
[11]谢兴楠,叶根喜.测井“静态”探测与微震“动态”监测技术在矿井突水综合预警中的应用[J].中国矿业.2012(1).
[12]姜福兴,叶根喜,王存文,等.高精度微震监测技术在煤矿突水监测中的应用[J].岩石力学与工程学报,2008(9):86-90.
[2]杨天鸿,唐春安.岩体破坏突水模型研究现状及突水预测预报研究发展趋势[J].岩石力学与工程学报,2007(2).
[3]窦林名,何江,巩思园,等.采空区突水动力灾害的微震监测案例研究[J].中国矿业大学学报,2012(1).
[4]姜福兴,杨淑华.微地震监测揭示的采场围岩空间破裂形态[J].煤炭学报,2003,28(4):357-360.
[5]成云海.微地震定位监测在采场冲击地压防治中的应用[D].济南:山东科技大学,2006.
[6]姜福兴.矿山压力与岩层控制[M].北京:煤炭工业出版社,2004:280-282.
[7]成云海,姜福兴,张兴民,等.微震监测揭示的C型采场空间结构及应力场[J].岩石力学与工程学报,2007,26(1):102-107.
[8]杜东见,马献超.采掘影响下断层活化产生矿震的力源分析及微震监测[J].中州煤炭,2012(7):56-60.
[9]Sun Jian,Wang Lianguo,Hou Huaqiang.Application of micro-seismic monitoring technology in mining engineering[J].International Journal of Mining Science and Technology,2012(1).
[10]曾志龙,孔令海,姜福兴,等.基于微地震监测的大水量矿区厚煤层围岩破裂特征[J].矿业安全与环保,2012(2).
[11]谢兴楠,叶根喜.测井“静态”探测与微震“动态”监测技术在矿井突水综合预警中的应用[J].中国矿业.2012(1).
[12]姜福兴,叶根喜,王存文,等.高精度微震监测技术在煤矿突水监测中的应用[J].岩石力学与工程学报,2008(9):86-90.
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