构造活化的微震监测与数值模拟耦合研究
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摘要
采用高精度微震监测技术对长壁工作面断层、陷落柱、高角度裂隙带等地质异常体的灾变过程进行监测,为突水危险工作面预警突水灾害提供"通道形成、扩展和灾变"的动态信息;同时,将数值模拟得到的工作面围岩中的位移场和应力场与微震监测得到的断层、陷落柱、高角度裂隙带等地质异常体活化信息进行耦合分析,揭示采动引起构造活化和灾变的机制。根据微震监测与数值模拟耦合分析结果,结合试验工作面围岩中断层、陷落柱、高角度裂隙带等分布情况,实施针对性的防治水工程。分析结果证明:微地震监测与数值模拟耦合分析方法能够用于构造活化的研究和指导矿山防治水工程。
Microseismic monitoring technology is applied to the catastrophe process monitoring of geological anomalous bodies,such as faults,karst collapse columns and high angle fractured zone long wall face. It provides dynamic information including propagation,growth and failure of the channel for warning the underground water inrush hazard of dangerous working face. Coupling analysis of displacement field and stress field of surrounding rock at the working face by numerical simulation method and the activation information of geological anomalous bodies such as faults,karst collapse columns and high angle fractured zone obtained by microseismic monitoring technology is conducted to reveal the mechanism of tectonic activation and mutation induced by mining. According to the coupling analysis results,combined with the distribution of faults,karst collapse columns and high angle fractured zone at tested working face,some targeted water proof and control projects are implemented. The analysis results prove that the coupling analysis method of microseismic monitoring and numerical simulation can be used to study the tectonic activation and can provide guidance for water proof and control of mining project.
Microseismic monitoring technology is applied to the catastrophe process monitoring of geological anomalous bodies,such as faults,karst collapse columns and high angle fractured zone long wall face. It provides dynamic information including propagation,growth and failure of the channel for warning the underground water inrush hazard of dangerous working face. Coupling analysis of displacement field and stress field of surrounding rock at the working face by numerical simulation method and the activation information of geological anomalous bodies such as faults,karst collapse columns and high angle fractured zone obtained by microseismic monitoring technology is conducted to reveal the mechanism of tectonic activation and mutation induced by mining. According to the coupling analysis results,combined with the distribution of faults,karst collapse columns and high angle fractured zone at tested working face,some targeted water proof and control projects are implemented. The analysis results prove that the coupling analysis method of microseismic monitoring and numerical simulation can be used to study the tectonic activation and can provide guidance for water proof and control of mining project.
引文
[1]肖红飞,何学秋,冯涛,等.基于FLAC3D模拟的矿山巷道掘进煤岩变形破裂力电耦合规律的研究[J].岩石力学与工程学报,2005,24(5):812–817.(XIAO Hongfei,HE Xueqiu,FENG TAO,et al.Research on coupling laws between EME and stress fields during deformation and fracture of mine tunnel excavation by FLAC3D simulation[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(5):812–817.(in Chinese))
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[5]王悦汉,邓喀中,吴侃,等.采动岩体动态力学模型[J].岩石力学与工程学报,2003,22(3):352–357.(WANG Yuehan,DENG Kazhong,WU Kan,et al.On the dynamic mechanics model of mining subsidence[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(3):352–357.(in Chinese))
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[11]陶文朋,董守华,黄亚平,等.地震属性技术在探测断层和陷落柱中的应用[J].煤炭科学技术,2008,36(12):79–81.(TAO Wenpeng,Dong Shouhua,HUANG Yaping,et al.Application of seismic attribution technology to explore fault and sink hole[J].Coal Science and Technology,2008,36(12):79–81.(in Chinese))
[12]刘志军,熊崇山.陷落柱突水机制的数值模拟研究[J].岩石力学与工程学报,2007,26(增2):4013–4018.(LIU Zhijun,XIONG Chongshan.Numerical simulation study on water inrush mechanism from collapse column[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(Supp.2):4013–4018.(in Chinese))
[13]武强,朱斌,李建民,等.断裂带煤矿井巷滞后突水机制数值模拟[J].中国矿业大学学报,2008,37(6),780–785.(WU Qiang,ZHU Bin,LI Jianmin,et al.Numerical simulation of lagging water-inrush mechanism of rock roadways near fault zone[J].Journal of China University of Mining and Technology,2008,37(6):780–785.(in Chinese))
[14]杨天鸿,唐春安,谭志宏,等.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,2007,26(2):268–277.(YANG Tianhong;TANG Chun′an,TAN Zhihong,et al.State of the art of inrush models in rock mass failure and developing trend for prediction and forecast of groundwater inrush[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(2):268–277.(in Chinese))
[15]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,2008,27(9):1922–1938.(JIANG Fuxing,YE Genxi,WANG Cunwen,et al.Application of high-precision microseismic monitoring technique to water inrush monitoring in coal mine[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(9):1922–1938.(in Chinese))
[16]逢焕东,姜福兴.微地震监测中传感器的布置方法[J].有色金属(矿山部分),2003,55(6):20–21,44.(FENG Huandong,JIANG Fuxing.Installing method of sensors used in microseismic monitoring[J].Nonferrous Metals(Mine Section),2003,55(6):20–21,44.(in Chinese))
[17]陆菜平,窦林名,吴兴荣,等.岩体微震监测的频谱分析与信号识别[J].岩土工程学报,2005,27(7):772–775.(LU Caiping,DOU Linming,WU Xingrong,et al.Frequency spectrum analysis of microseismic monitoring and signal differentiation of rock material[J].Chinese Journal of Geotechnical Engineering,2005,27(7):772–775.(in Chinese))
[18]姜福兴,XUN L,杨淑华.采场似岩空问破裂与采动应力场的微震探测研究[J].岩土工程学报,2003,25(1):23–25.(JIANG Fuxing,XUN L,YANG Shuhua.Study on microseismic monitoring for spatial structure of overlying strata and mining pressure field in long wall face[J].Chinese Journal of Geotechnical Engineering,2003,25(1):23–25.(in Chinese))
[19]张银平.岩体声发射与微震监测定位技术及其应用[J].工程爆破,2002,8(1):58–61.(ZHANG Yinping.Rock mass acoustic emission and micro-seismic monitoring and localizing technology and their applications[J].Engineering Blasting,2002,8(1):58–61.(in Chinese))
[20]潘一山,赵扬锋,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 Yishan,ZHAO Yangfeng,GUAN Fuhai,et al.Study of rock burst monitoring and orientation system and its application[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(5):1002–1011.(in Chinese))
[21]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 Fuxing,YANG Shuhua,CHENG Yunhai,et al.Study of microseismic monitoring of rock burst in coal mine[J].Chinese Journal of Geophysics,2006,49(5):1511–1516.(in Chinese))
[22]芦东平,潘一山.矿山微震监测结果可视化[J].辽宁工程技术大学学报(自然科学版),2008,27(增1):106–109.(LU Dongping,PAN Yishan.Visualization of micro-seismic monitoring results of mine[J].Journal of Liaoning Technical University(Natural Science),2008,27(Supp.1):106–109.(in Chinese))
[23]王金安,刘航,韦文兵,等.煤矿近断层地下开采动力灾害数值模拟研究[J].矿业研究与开发,2006,26(3):29–32.(WANG Jin′an,LIU Hang,WEI Wenbing,et al.Numerical simulation on dynamic disaster caused by underground near-fault coal exploitation[J].Mining Research and Development,2006,26(3):29–32.(in Chinese))
[24]赵兴东,唐春安,李元辉,等.基于微震监测及应力场分析的冲击地压预测方法[J].岩石力学与工程学报,2005,24(增1):4745–4749.(ZHAO Xingdong,TANG Chun′an,LI Yuanhui,et al.Prediction method of rock burst based on microseismic monitoring and stress field analysis[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(Supp.1):4745–4749.(in Chinese))
[25]叶根喜,姜福兴,郭延华,等.煤矿深部采场爆破地震波传播规律的微震原位试验研究[J].岩石力学与工程学报,2008,27(5):1053–1058.(YE Genxi,JIANG Fuxing,GUO Yanhua,et al.Experimental research on seismic wave attenuation by field micro-seismic monitoring in a deep coal mine[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(5):1053–1058.(in Chinese))
[26]汪华君,姜福兴,成云海,等.覆岩导水裂隙带高精度的微地震(Ms)监测研究[J].煤炭工程,2006,(3):74–76.(WANG Huajun,JIANG Fuxing,CHENG Yunhai,et al.Research on microseismic monitoring at top level of water conducted cracking zone in overburden rock[J].Coal Engineering,2006,(3):74–76.(in Chinese))
[27]张平松,吴基文,刘盛东.煤层采动底板破坏规律动态观测研究[J].岩石力学与工程学报,2006,25(增1):3009–3013.(ZHANG Pingsong,WU Jiwen,LIU Shengdong.Study of dynamic observation of coal seam floor's failure law[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(Supp.1):3009–3013.(in Chinese))
[28]刘伟建,姜福兴,颜峰.岩体化学加固材料优选决策支持系统研究[J].金属矿山,2008,(12):46–50.(LIU Weijian,JIANG Fuxing,YAN Feng.Study of the optimal selection decision support systems of chemical consolidation material for rock mass[J].Metal Mine,2008,(12):46–50.(in Chinese))
[2]林舸,赵崇斌,肖焕钦,等.华北克拉通构造活化的动力学机制与模型[J].大地构造与成矿学,2008,32(2):133–142.(LIN Ge,ZHAO Chongbin,XIAO Huanqin,et al.Dynamic mechanisms and models of tectonic activation in north China craton[J].Geotectonic ET Metallogenia,2008,32(2):133–142.(in Chinese))
[3]陈胜早.壳–幔动力学与活化构造(地洼)理论[J].大地构造与成矿学,2005,29(1):87–98.(CHEN Shengzao.Crust-mantle dynamics and activated tectonics(geodepression)theory[J].Geotectonic ET Metallogenia,2005,29(1):87–98.(in Chinese))
[4]陈国达,杨心宜,梁新权.关于活化区动力学研究的几个问题[J].地质科学,2002,37(3):320–331.(CHEN Guoda,YANG Xinyi,LIANG Xinquan.Some cruxes of dynamics study of activated region[J].Chinese Journal of Geology,2002,37(3):320–331.(in Chinese))
[5]王悦汉,邓喀中,吴侃,等.采动岩体动态力学模型[J].岩石力学与工程学报,2003,22(3):352–357.(WANG Yuehan,DENG Kazhong,WU Kan,et al.On the dynamic mechanics model of mining subsidence[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(3):352–357.(in Chinese))
[6]何满潮,谢和平,彭苏萍,等.深部开采岩体力学研究[J].岩石力学与工程学报,2005,24(16):2803–2813.(HE Manchao,XIE Heping,PENG Suping,et al.Study of rock mechanics in deep mining engineering[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(16):2803–2813.(in Chinese))
[7]彭苏萍,王金安.承压水体上安全采煤[M].北京:煤炭工业出版社,2001.(PENG Suping,WANG Jin′an.Safety mining above aquifer zone[M].Beijing:China Coal Industry Publishing House,2001.(in Chinese))
[8]施龙青.底板突水机制研究综述[J].山东科技大学学报(自然科学版),2009,28(3):17–22.(SHI Longqing.Summary of study of mechanism of water-inrush from seam floor[J].Journal of Shandong University of Science and Technology(Natural Science),2009,28(3):17–22.(in Chinese))
[9]刘鸿泉,康永华.综放开采上覆含水层透水性预测研究[J].煤炭开采,2004,9(1):39–43.(LIU Hongquan,KANG Yonghua.Forecasting the permeability of cover water-bearing strata in long wall with top-coal caving mining[J].Coal Mining Technology,2004,9(1):39–43.(in Chinese))
[10]钱鸣高,缪协兴,许家林,等.岩层控制的关键层理论[M].徐州:中国矿业大学出版社,2003.(QIAN Minggao,MIAO Xiexing,XU Jialin,et al.Dominant stratum theory for control of strata movement[M].Xuzhou:China University of Mining and Technology Press,2003.(in Chinese))
[11]陶文朋,董守华,黄亚平,等.地震属性技术在探测断层和陷落柱中的应用[J].煤炭科学技术,2008,36(12):79–81.(TAO Wenpeng,Dong Shouhua,HUANG Yaping,et al.Application of seismic attribution technology to explore fault and sink hole[J].Coal Science and Technology,2008,36(12):79–81.(in Chinese))
[12]刘志军,熊崇山.陷落柱突水机制的数值模拟研究[J].岩石力学与工程学报,2007,26(增2):4013–4018.(LIU Zhijun,XIONG Chongshan.Numerical simulation study on water inrush mechanism from collapse column[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(Supp.2):4013–4018.(in Chinese))
[13]武强,朱斌,李建民,等.断裂带煤矿井巷滞后突水机制数值模拟[J].中国矿业大学学报,2008,37(6),780–785.(WU Qiang,ZHU Bin,LI Jianmin,et al.Numerical simulation of lagging water-inrush mechanism of rock roadways near fault zone[J].Journal of China University of Mining and Technology,2008,37(6):780–785.(in Chinese))
[14]杨天鸿,唐春安,谭志宏,等.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,2007,26(2):268–277.(YANG Tianhong;TANG Chun′an,TAN Zhihong,et al.State of the art of inrush models in rock mass failure and developing trend for prediction and forecast of groundwater inrush[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(2):268–277.(in Chinese))
[15]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,2008,27(9):1922–1938.(JIANG Fuxing,YE Genxi,WANG Cunwen,et al.Application of high-precision microseismic monitoring technique to water inrush monitoring in coal mine[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(9):1922–1938.(in Chinese))
[16]逢焕东,姜福兴.微地震监测中传感器的布置方法[J].有色金属(矿山部分),2003,55(6):20–21,44.(FENG Huandong,JIANG Fuxing.Installing method of sensors used in microseismic monitoring[J].Nonferrous Metals(Mine Section),2003,55(6):20–21,44.(in Chinese))
[17]陆菜平,窦林名,吴兴荣,等.岩体微震监测的频谱分析与信号识别[J].岩土工程学报,2005,27(7):772–775.(LU Caiping,DOU Linming,WU Xingrong,et al.Frequency spectrum analysis of microseismic monitoring and signal differentiation of rock material[J].Chinese Journal of Geotechnical Engineering,2005,27(7):772–775.(in Chinese))
[18]姜福兴,XUN L,杨淑华.采场似岩空问破裂与采动应力场的微震探测研究[J].岩土工程学报,2003,25(1):23–25.(JIANG Fuxing,XUN L,YANG Shuhua.Study on microseismic monitoring for spatial structure of overlying strata and mining pressure field in long wall face[J].Chinese Journal of Geotechnical Engineering,2003,25(1):23–25.(in Chinese))
[19]张银平.岩体声发射与微震监测定位技术及其应用[J].工程爆破,2002,8(1):58–61.(ZHANG Yinping.Rock mass acoustic emission and micro-seismic monitoring and localizing technology and their applications[J].Engineering Blasting,2002,8(1):58–61.(in Chinese))
[20]潘一山,赵扬锋,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 Yishan,ZHAO Yangfeng,GUAN Fuhai,et al.Study of rock burst monitoring and orientation system and its application[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(5):1002–1011.(in Chinese))
[21]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 Fuxing,YANG Shuhua,CHENG Yunhai,et al.Study of microseismic monitoring of rock burst in coal mine[J].Chinese Journal of Geophysics,2006,49(5):1511–1516.(in Chinese))
[22]芦东平,潘一山.矿山微震监测结果可视化[J].辽宁工程技术大学学报(自然科学版),2008,27(增1):106–109.(LU Dongping,PAN Yishan.Visualization of micro-seismic monitoring results of mine[J].Journal of Liaoning Technical University(Natural Science),2008,27(Supp.1):106–109.(in Chinese))
[23]王金安,刘航,韦文兵,等.煤矿近断层地下开采动力灾害数值模拟研究[J].矿业研究与开发,2006,26(3):29–32.(WANG Jin′an,LIU Hang,WEI Wenbing,et al.Numerical simulation on dynamic disaster caused by underground near-fault coal exploitation[J].Mining Research and Development,2006,26(3):29–32.(in Chinese))
[24]赵兴东,唐春安,李元辉,等.基于微震监测及应力场分析的冲击地压预测方法[J].岩石力学与工程学报,2005,24(增1):4745–4749.(ZHAO Xingdong,TANG Chun′an,LI Yuanhui,et al.Prediction method of rock burst based on microseismic monitoring and stress field analysis[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(Supp.1):4745–4749.(in Chinese))
[25]叶根喜,姜福兴,郭延华,等.煤矿深部采场爆破地震波传播规律的微震原位试验研究[J].岩石力学与工程学报,2008,27(5):1053–1058.(YE Genxi,JIANG Fuxing,GUO Yanhua,et al.Experimental research on seismic wave attenuation by field micro-seismic monitoring in a deep coal mine[J].Chinese Journal of Rock Mechanics and Engineering,2008,27(5):1053–1058.(in Chinese))
[26]汪华君,姜福兴,成云海,等.覆岩导水裂隙带高精度的微地震(Ms)监测研究[J].煤炭工程,2006,(3):74–76.(WANG Huajun,JIANG Fuxing,CHENG Yunhai,et al.Research on microseismic monitoring at top level of water conducted cracking zone in overburden rock[J].Coal Engineering,2006,(3):74–76.(in Chinese))
[27]张平松,吴基文,刘盛东.煤层采动底板破坏规律动态观测研究[J].岩石力学与工程学报,2006,25(增1):3009–3013.(ZHANG Pingsong,WU Jiwen,LIU Shengdong.Study of dynamic observation of coal seam floor's failure law[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(Supp.1):3009–3013.(in Chinese))
[28]刘伟建,姜福兴,颜峰.岩体化学加固材料优选决策支持系统研究[J].金属矿山,2008,(12):46–50.(LIU Weijian,JIANG Fuxing,YAN Feng.Study of the optimal selection decision support systems of chemical consolidation material for rock mass[J].Metal Mine,2008,(12):46–50.(in Chinese))
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