基于并行电阻率法的导水裂隙带适时探测技术研究
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摘要
煤层开采后上覆岩层破坏的最大导水裂隙带高度是合理留设防水煤柱、确保煤矿企业安全生产的重要参数。目前,常用的探测方法主要有冲洗液法、注水实验法、电阻率法、地震勘探法等。但是,上述方法由于数据采集速度和数据采集数量的限制,往往难以探测到导水裂隙带高度的最大值。将基于二极电阻率法的并行网络电法监测系统应用于导水裂隙带高度探测中,可以适时探测到导水裂隙带的发展过程,较准确地探测到其发展的最大高度。目前,该技术已广泛应用于矿井回采工作面导水裂隙带高度探测的工程实践中。
After coal seam was dug,the maximum height of the water flowing fractured zone of overlying strata is important parameter of reasonable leaving coal pillar and ensuring coal mine enterprises' safe producing.Presently,conventional methods of prospecting height of the water flowing fractured zone are the method of drilling fluid consumption,the method of pouring water into borehole,resistivity method and seismic prospecting method.But,the above-mentioned methods can't prospect the maximum height of the water flowing fractured zone more often than not,because of the limitation of their data collecting rate and amount.In this paper,the parallel network monitoring system on pole-pole resistivity method is used in prospecting the height of the water flowing fractured zone.It can prospect the process of the development of the water flowing fractured zone at the opportune moment.For this reason,it can gain the maximum height of the water flowing fractured zone.Now,this method has been applied in many engineering projects of measuring the height of the water flowing fractured zone of working faces.
After coal seam was dug,the maximum height of the water flowing fractured zone of overlying strata is important parameter of reasonable leaving coal pillar and ensuring coal mine enterprises' safe producing.Presently,conventional methods of prospecting height of the water flowing fractured zone are the method of drilling fluid consumption,the method of pouring water into borehole,resistivity method and seismic prospecting method.But,the above-mentioned methods can't prospect the maximum height of the water flowing fractured zone more often than not,because of the limitation of their data collecting rate and amount.In this paper,the parallel network monitoring system on pole-pole resistivity method is used in prospecting the height of the water flowing fractured zone.It can prospect the process of the development of the water flowing fractured zone at the opportune moment.For this reason,it can gain the maximum height of the water flowing fractured zone.Now,this method has been applied in many engineering projects of measuring the height of the water flowing fractured zone of working faces.
引文
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[2]汪华君,姜福兴,成云海,等.覆岩导水裂隙带高度的微地震(MS)监测研究[J].煤炭工程,2006(3):74-76.
[3]汪华君.覆岩导水裂隙带井下微地震监测研究[J].矿业快报,2006,25(3):27-29.
[4]童培国,王立才,林英良,等.邱集煤矿7煤覆岩破坏规律探测研究[J].山东煤炭科技,2005(3):64-65.
[5]王连富,李卫东,刘道文,等.综放采场覆岩破坏高度的实测方法及应用[J].矿业安全与环保,2005,32(3):70-71.
[6]邢延团,郑纲,马培智.井下仰孔注水测漏法探测导水裂隙带高度的研究[J].煤田地质与勘探,2004,32(z1):186-189.
[7]孙升林,宁书年,李育芳,等.地震勘探在煤矿防治水工程中的应用[J].煤炭工程,2002(11):45-47.
[8]程学丰,刘盛东,刘登宪.煤层采后围岩破坏规律的声波CT探测[J].煤炭学报,2001,26(2):153-155.
[9]刘盛东,吴荣新,张平松,等.高密度电阻率法观测煤层上覆岩层破坏[J].煤炭科学技术,2001(4):18-22.
[10]傅良魁.电法勘探教程[M].北京:地质出版社,1983.
[11]肖树芳,杨淑碧.岩体力学[M].北京:地质出版社,1991.
[12]中华人民共和国煤炭工业部.矿井水文地质规程[Z].北京:煤炭工业出版社,1984.
[13]王桦,周继生,曹思华.潘三矿17110(3)工作面突水机理探讨[J].淮南工业学院学报,2002(增刊):116-118.
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