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时间:2020-03-24
《下团柏断层控水作用研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Vo1.42No.4矿业安全与环保第42卷第4期Aug.2015MININGSAFETY&ENVIRONMENTALPROTECTION2015年8月王文军.下团柏断层控水作用研究[J].矿业安全与环保,2015,42(4):72—75文章编号:1008—4495(2015)04—0072—04下团柏断层控水作用研究王文军(霍州煤电集团有限责任公司防治水中心,山西霍州1031400)摘要:分析了下团柏断层的发育特征,利用勘探资料与构造理论得出断层破碎带导水规律,以及断层阻水性、导水性规律。从地下水流场、奥灰含水层赋水性及各含水层水力联系等方面,分析了断层对两
2、盘水文地质条件的控制作用。结果表明:破碎带由浅到深赋水性、导水性由弱到强;两盘岩层对接面形成阻水边界,导水作用表现在深层奥灰对接渗透与断层尖灭端绕流;断层将区域岩溶地下水分割成南北两个含水块段,奥灰地下岩溶水北强南弱、东强西弱,北块段各含水层沟通良好,南块段各含水层沟通较差。关键词:断层控水;赋水性;导水性;绕流;渗透中图分类号:TD745;P641文献标志码:B网络出版时间:2015—08—0419:37网络出版地址:http://www.cnki.net/kcms/detail/50.1062.TD.20150804.1937.036.htmlResea
3、rchOilWaterControlEfiectofXiatuanbaiFaultWANGWeniun(WaterControlCenter,HuozhouCoalElectricityGroupCo.,Ltd.,Huozhou031400,China)Abstract:Inthispaper,analysiswascarriedoutonthedevelopmentcharacteristicsofXiatuanbaifault,andthewaterconductionruleofthefracturedfaultzone,thewaterresista
4、nceofthefaultandtheruleofthewaterconductivitywereobtainedaccordingtotheexplorationdataandstructuretheory.Analysiswasalsomadeonthecontroleffectofthefaulttothehydro—geologicalconditionsofitstwosidesfromtheaspectsoftheflowfieldofgroundwater,thewater—bearingcapabilityofaquifersinOrdovi
5、eianlimestoneandthehydrauliclinkageofeachaquifer.Theresultsshowedthatthewater-bearingcapabilityandwaterconductivityofthefaultstructuredzonechangedfromweakinthedeeptothestrongintheshallow;thebuttedsurfaceofitstwosiderockstrataformedawater-resistingboundary,thewaterconductionefectwas
6、embodiedinthebuttedpermeationofthedeepOrdovicianlimestoneandthecircumfluentflowatthefaultpinching—outend;theregionalkarstgroundwaterwasdividedintonorthernwater-bearingsegmentandsouthernwater-bearingsegmentbythefault,thekarstgroundwaterinOrdovicianlimestonewasstronginthenorthandeast
7、andweakinthesouthandwest,thelinkageamongtheaquifersinthenorthernsegmentwasgood,butthatinthesouthernsegmentwaspoor.Keywords:watercontroloffault;water-beatingcapability;waterpermeability;circumfluentflow;permeation断层作为一个重要的突水通道,研究其发育规断层两盘分布着6对生产矿井,近年来,各矿井陆续律、导水性及其对区域水文地质条件的控制规律,对进行了一
8、些水文地质勘查和研究工作,其研究范围煤矿断层突水预测
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