超前离层诱发矿震的机理及其微震特征
|
摘要
以华丰煤矿1612工作面为工程背景,通过对微震监测数据和现场情况分析,得到了超前离层诱发工作面下端多发矿震的认识.分析了超前离层诱发矿震的过程、微震特征,得到以下结论:采深大及工作面下平巷严重变形是超前离层形成及其诱发矿震的重要条件;微震事件分布具有明显的分区性,集中分布在下平巷两侧30 m范围内;该类矿震属于低位岩层断裂所致,其震级较低.最后,指出超前离层诱发的矿震是一种新的矿震类型,对于深部倾斜煤层开采,该类矿震较为突出.
Taking LW 1612 in the Huafeng mine for the engineering background,it was found that the mine earthquakes occurred in the lower part of the working face are induced by the lead separation through analysis of the on-site situations and the microseismic monitoring data.The process and microseismic characteristics of the lead separation inducing mine earthquakes was analyzed,conclusions are show that great mining depth and large roadway deformation are important conditions for the lead separation formation and it inducing mine earthquakes;microseismic events are zoning,and have a concentrated distribution in the range of 30 m on two sides of the bottom gate;this type of mine earthquakes are caused by the lower strata fractures,and have a smaller magnitude.The mine earthquake induced by lead separation is a new type of mine earthquake.The type of mine earthquake becomes more and more outstanding in deep seam mining.
Taking LW 1612 in the Huafeng mine for the engineering background,it was found that the mine earthquakes occurred in the lower part of the working face are induced by the lead separation through analysis of the on-site situations and the microseismic monitoring data.The process and microseismic characteristics of the lead separation inducing mine earthquakes was analyzed,conclusions are show that great mining depth and large roadway deformation are important conditions for the lead separation formation and it inducing mine earthquakes;microseismic events are zoning,and have a concentrated distribution in the range of 30 m on two sides of the bottom gate;this type of mine earthquakes are caused by the lower strata fractures,and have a smaller magnitude.The mine earthquake induced by lead separation is a new type of mine earthquake.The type of mine earthquake becomes more and more outstanding in deep seam mining.
引文
[1]Slawomir J G,Andrzej K.矿山地震学引论[M].北京:地震出版社,1998.Slawomir J G,Andrzej K.Introductory lectures on mine seismology[M].Beijing:Earthquake Press,1998.
[2]李铁,蔡美峰,纪洪广,等.强矿震预测的研究[J].北京科技大学学报,2005,27(3):260-263.Li T,Cai M F,Ji H G,et al.Study on forecasting strong mining-induced earthquake[J].Journal of University of Science andTechnology Beijing,2005,27(3):260-263.
[3]齐庆新,窦林名.冲击地压理论与技术[M].徐州:中国矿业大学出版,2008.Qi Q X,Dou L M.Theory and techniques of rock burst[M].Xuzhou:China University of Mining and Technology Press,2008.
[4]李大勇,张开智,俞海玲.矿震冲击气浪与防冲密闭研究[J].山东科技大学学报(自然科学版),2008,27(2):14-18.Li D Y,Zhang K Z,Yu H L,et al.Research on the mine shock air-bump and anti-shock bulkhead[J].Journal of ShandongUniversity of Science and Technology(Natural Science Edition),2008,27(2):14-18.
[5]姜福兴,王平,冯增强,等.复合型厚煤层“震-冲”型动力灾害机理、预测与控制[J].煤炭学报,2009,34(12):1605–1609.Jiang F X,Wang P,Feng Z Q.et al.Mechanism,prediction andcontrol of“rock burst induced by shock bump”kind dynamicaccident in composite thickness coal[J].Journal of China CoalSociety,2009,34(12):1605-1609.
[6]窦林名,何学秋.冲击矿压防治理论与技术[M].徐州:中国矿业大学出版,2001.Dou L M,He X Q.Theory and technology of rock burst prevention[M].Xuzhou:China University of Mining and Technology Press,2001.
[7]李志华,窦林名,管向清,等.矿震前兆分区监测方法及应用[J].煤炭学报,2009,34(5):614-618.Li Z H,Dou L M,Guan X Q,et al.A zoning monitoring method ofmicroseismic premonition and its application[J].Journal of ChinaCoal Society,2009,34(5):614-618.
[8]齐庆新,陈尚本,王怀新,等.冲击地压、岩爆、矿震的关系及其数值模拟研究[J].岩石力学与工程学报,2003,22(11):1852-1858.Qi Q X,Chen S B,Wang H X.et al.Study on relations amongcoal bump,rockburst and mining tremor with numerical simulation[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(11):1852-1858.
[9]陆菜平,窦林名,曹安业,等.深部高应力集中区域矿震活动规律研究[J].岩石力学与工程学报,2008,27(11):2302-2308.Lu C P,Dou L M,Cao A Y,et al.Research on microseismicactivity rules in deep High-stress concentration district[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(11):2302-2308.
[10]宋建潮,刘大勇,王恩德,等.断层型矿震成因机理及预测方法研究[J].矿业工程,2007,5(3):16-18.Song J C,Liu D Y,Wang E D,et al.Cause and mechanism ofmine’s fault-type earthquake and its forecast[J].MiningEngineering,2007,5(3):16-18.
[11]成云海,姜福兴,程久龙,等.关键层运动诱发矿震的微震探测初步研究[J].煤炭学报,2006,31(3):273-277.Cheng Y H,Jiang F X,Cheng J L,et al.Primary study onmicroseismic locating and monitoring technology of shock bumpcaused by key stratum movement[J].Journal of China CoalSociety,2006,31(3):273-277.
[12]王存文,姜福兴,王平,等.煤柱诱发冲击地压的微震事件分布特征与力学机理[J].煤炭学报,2009,34(9):1169-1173.Wang C W,Jiang F X,Wang P,et al.Microseismic eventsdistribution characteristics and mechanical mechanisms of rockbursting induced by a coal pillar[J].Journal of China CoalSociety,2009,34(9):1169-1173.
[13]肖江,王金安,索永录.急斜煤层浅部矿震机理及防治[J].辽宁工程技术大学学报(自然科学版),2010,29(1):13-16.Xiao J,Wang J A Suo Y L.Mechanism of mine-inducedearthquake at shallow part of steep coal seam and preventionmeasures[J].Journal of Liaoning Technical University(NaturalScience Edition),2010,29(1):13-16.
[14]潘一山,赵杨锋,官福海,等.矿震监测定位系统的研究及应用[J].岩石力学与工程学报,2007,26(5):1002-1011.Pan Y S,Zhao Y F,Guan F H,et al.Study on rockburstmonitoring and orientation system and its application[J].ChineseJournal of Rock Mechanics and Engineering,2007,26(5):1002-1011.
[15]姜福兴,杨淑华,成云海,等.煤矿冲击地压的微地震监测研究[J].地球物理学报,2006,49(5):1511-1516.Jiang F X,Yang S H,Cheng Y H,et al.A study on microseismicmonitoring of rock burst in coal mine[J].Chinese Journal ofGeophysics,2006,49(5):1511-1516.
[16]王洛锋,姜福兴,于正兴.深部强冲击厚煤层开采上、下解放层卸压效果相似模拟试验研究[J].岩土工程学报,2009,31(3):442-446.Wang L F,Jiang F X,Yu Z X.Similar material simulationexperiment on destressing effects of the deep thick coal seam withhigh burst liability after mining upper and lower protective seams[J].Chinese Journal of Geotechnical Engineering,2009,31(3):442-446.
[2]李铁,蔡美峰,纪洪广,等.强矿震预测的研究[J].北京科技大学学报,2005,27(3):260-263.Li T,Cai M F,Ji H G,et al.Study on forecasting strong mining-induced earthquake[J].Journal of University of Science andTechnology Beijing,2005,27(3):260-263.
[3]齐庆新,窦林名.冲击地压理论与技术[M].徐州:中国矿业大学出版,2008.Qi Q X,Dou L M.Theory and techniques of rock burst[M].Xuzhou:China University of Mining and Technology Press,2008.
[4]李大勇,张开智,俞海玲.矿震冲击气浪与防冲密闭研究[J].山东科技大学学报(自然科学版),2008,27(2):14-18.Li D Y,Zhang K Z,Yu H L,et al.Research on the mine shock air-bump and anti-shock bulkhead[J].Journal of ShandongUniversity of Science and Technology(Natural Science Edition),2008,27(2):14-18.
[5]姜福兴,王平,冯增强,等.复合型厚煤层“震-冲”型动力灾害机理、预测与控制[J].煤炭学报,2009,34(12):1605–1609.Jiang F X,Wang P,Feng Z Q.et al.Mechanism,prediction andcontrol of“rock burst induced by shock bump”kind dynamicaccident in composite thickness coal[J].Journal of China CoalSociety,2009,34(12):1605-1609.
[6]窦林名,何学秋.冲击矿压防治理论与技术[M].徐州:中国矿业大学出版,2001.Dou L M,He X Q.Theory and technology of rock burst prevention[M].Xuzhou:China University of Mining and Technology Press,2001.
[7]李志华,窦林名,管向清,等.矿震前兆分区监测方法及应用[J].煤炭学报,2009,34(5):614-618.Li Z H,Dou L M,Guan X Q,et al.A zoning monitoring method ofmicroseismic premonition and its application[J].Journal of ChinaCoal Society,2009,34(5):614-618.
[8]齐庆新,陈尚本,王怀新,等.冲击地压、岩爆、矿震的关系及其数值模拟研究[J].岩石力学与工程学报,2003,22(11):1852-1858.Qi Q X,Chen S B,Wang H X.et al.Study on relations amongcoal bump,rockburst and mining tremor with numerical simulation[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(11):1852-1858.
[9]陆菜平,窦林名,曹安业,等.深部高应力集中区域矿震活动规律研究[J].岩石力学与工程学报,2008,27(11):2302-2308.Lu C P,Dou L M,Cao A Y,et al.Research on microseismicactivity rules in deep High-stress concentration district[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(11):2302-2308.
[10]宋建潮,刘大勇,王恩德,等.断层型矿震成因机理及预测方法研究[J].矿业工程,2007,5(3):16-18.Song J C,Liu D Y,Wang E D,et al.Cause and mechanism ofmine’s fault-type earthquake and its forecast[J].MiningEngineering,2007,5(3):16-18.
[11]成云海,姜福兴,程久龙,等.关键层运动诱发矿震的微震探测初步研究[J].煤炭学报,2006,31(3):273-277.Cheng Y H,Jiang F X,Cheng J L,et al.Primary study onmicroseismic locating and monitoring technology of shock bumpcaused by key stratum movement[J].Journal of China CoalSociety,2006,31(3):273-277.
[12]王存文,姜福兴,王平,等.煤柱诱发冲击地压的微震事件分布特征与力学机理[J].煤炭学报,2009,34(9):1169-1173.Wang C W,Jiang F X,Wang P,et al.Microseismic eventsdistribution characteristics and mechanical mechanisms of rockbursting induced by a coal pillar[J].Journal of China CoalSociety,2009,34(9):1169-1173.
[13]肖江,王金安,索永录.急斜煤层浅部矿震机理及防治[J].辽宁工程技术大学学报(自然科学版),2010,29(1):13-16.Xiao J,Wang J A Suo Y L.Mechanism of mine-inducedearthquake at shallow part of steep coal seam and preventionmeasures[J].Journal of Liaoning Technical University(NaturalScience Edition),2010,29(1):13-16.
[14]潘一山,赵杨锋,官福海,等.矿震监测定位系统的研究及应用[J].岩石力学与工程学报,2007,26(5):1002-1011.Pan Y S,Zhao Y F,Guan F H,et al.Study on rockburstmonitoring and orientation system and its application[J].ChineseJournal of Rock Mechanics and Engineering,2007,26(5):1002-1011.
[15]姜福兴,杨淑华,成云海,等.煤矿冲击地压的微地震监测研究[J].地球物理学报,2006,49(5):1511-1516.Jiang F X,Yang S H,Cheng Y H,et al.A study on microseismicmonitoring of rock burst in coal mine[J].Chinese Journal ofGeophysics,2006,49(5):1511-1516.
[16]王洛锋,姜福兴,于正兴.深部强冲击厚煤层开采上、下解放层卸压效果相似模拟试验研究[J].岩土工程学报,2009,31(3):442-446.Wang L F,Jiang F X,Yu Z X.Similar material simulationexperiment on destressing effects of the deep thick coal seam withhigh burst liability after mining upper and lower protective seams[J].Chinese Journal of Geotechnical Engineering,2009,31(3):442-446.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心