山西芦子沟煤矿充水因素分析及矿井涌水量预测

24620126COALGEOLOGYOFCHINAV0124No06Jan2012dot110396issn16741803201206081674-1803(2012)06-0030--04(030006)()FlF2()P641461TD7421AWaterFillingFactorAnalysisandInflowPredictioninLuzigouCoalmineShanxiXuShuyuan(ShanxiProvincialCoalGeologicalExplorationResearchInstituteTaiyuanShanxi030006)AbstractBasedonminehydrogeologicalcharacteristicdiscussionanalyzedminewaterfillingfactors,consideredthatthemainwaterfillingSOUItesarefromgobareapondingNeogenesandandgravelporewater,mainmineableeoalroofandfloorsandstonefissurewaterandOrdovieianlimestonekamtfissurewaterTIleauthorhaspointedoutthatintheeasterngrabenbetweenfaultsFIandF2ispronetowaterburstingaccidentsandtheninadequatehydrogeologicalexploration,thusinadvisabletomineatpresentGobareapondingisthemainminewaterdisastercausationthustheemphasesinminewatorcontrolhenceforthUsingthevirtuallargediameterwellmethodestimatedminewaterinflowtheresultisinproximitytoactualwaterinflowinharmonywiththecoMmine'shydrogeologicalconditionandtheregularpatternrespondedbyactualhydrogoologiealdataKeywordshydrogeologicalcharacteristicswaterfillingfactor,minewaterinflowestimationvirtuallargediameterwellmethod1231km210508101113FF2(198l)20120418(1)111()111010125m6060mlLsHC03K+NaMg112SSS82oo1320m569m6311lng,ure1HykIdtetehmapofhIdemdnfine5mS04ClCaMgS145680m437m11310ll13-7506502mZKl02ZK204q0016891(8m)00075I(sm)K002069md001793mdS04-CaMg24399LpH672114101113ZKl02ZK20412227m24953mZKl02ZK20483629m83644m15202U(sm)012761(sm)K04079ngd01551md8362083665m1oHC03-S04CaMg0536-09519LpH746077812121072m36m122888123813813O51493m124134451m1313(24)L22121121-2213()8lO111301km,04kin207km22142141214221439132144101l13=P(1)MPampMPam10ll13l1TablelEstimatedmaximumwaterburstingcoeffidentmMPaMPatll-1l006MPaIlllOll13FF222nA6332212222()2238lO1l1310-502040MPa(M109l2008)0+51(2)jjnj6H)mIlln10111322Table2EstimatednlaxilnmheightwaterconductedZOIlelO3017m1083394mll135222m8504m88lO1113()1011331Q1TK[(2H-M)M-h2](3)hL0R=rrIOS(4)m3dnddmMm11'1|IlIllS----mmr(m)ro---O565F=l982m(F)32(K)ZKl02C002069md()(85450m)13(83330m)(2120m)()13(23525m)(h)0S=H=2120m()R=208743m(3)(4)55718m3d(2321m3h)33810ll101l()24362f)l15()l1lOm3h24hL(40MPa)()306m1200m565t800kg4412t110m2m3h984236mf11fM52iM371997331628_201123(10)(33)()10111355718m3]d480m3d4RF2()55718m3dlIM]2009f2j201I23(7)3R20lI4lIRl20115llJ()201027(3)