矿井水害防治研究

ABSTRACTThemineofGuoJiaZhuangislocatedinthewestofFeiChengfarawayinthedistanceof25km,whichisinthesoutheastoffeichengcoalfieldinTunHutownoffeichenginshangdongprovince.Becauseofthelocation,thereisalotoffaultageandtheconditionofhydraulicconductivityiscomplicatedwhichleadstomuchwaterinrush.Thedirectwater-bearingaquifersincoalminesaretheQuaternarylimestoneandthefifthlimestone.TheOrdovicianlimestonegetsintouchwiththeQuaternarylimestoneandthefifthlimestoneinthe3100msite,influencingbyconstructofthearea.Itisthemainwater-bearingaquifer.Waterinrushesarealmostallhavingsomethingtodowithfaults.Inthispaperhowtosetupcoalpillarstopreventwaterinrushesisintroubled.Inordertosolvewaterinrushesfromaquiferundercoalseams,safetyimpermeablestratathicknessiscomputedbyempiricalformula,suchastheslesarev-equationandinrush-coefficient.Thewaterharmsneededtobesolvedasquicklyaspossiblebecausetheproblemsaffecttheproductionofthepitseriously.Basedontheinvestigationsofthewellheadroutewaydegreeinwater-fillingandtheinfluencesduringtheproductionactivities,theauthorprodictsthequantityofminewaterdischargeandmakesthemeasuresoftheminingwaterpreventionandcure.Thenafterthehydrogeologicalconditionsexperimentresultsandtheexperiencesofthepastareanalyzed,themearsuresoftheminingwaterpreventionandcureareputforward,theoptimummeasuretosolveitispouringslurrytotifledminewater,andofcourseothermethodsshouldtakeintoaccounttocombinewith.KeywordsConditionofHydrogeology;Characteristicofwaterinrush;Minewaterpreventionandcure;Theconditionofwater-filling;200712007220073200742007520076600200772007820079200710m(m)1GF1N60-20E50700-1075072GF2N0-90E50700-181160213GF4S80-90E41502-1535064GF5N40-50E508510-20750105GF6N30-40E607010-1535076GF7N10E606515-2011503F77GF8N30-40E63751-1555088GF9N10-20E6010-2086029GF10N40-60E48601-15780810GF11N30E57651-10700711GF14N30-40E60850-10600812GF15N10-40E42751-1517001613GF16N30-80E60751-107001414GF17N20-50E50604-1010801115GF18N50-60E45600-1511007100516GF19N0-40E304520-0700120071117GF20N0-15E50650-147007200518GF21N20-30E0—60-67507300819GF22N15-20E0—180-187807200520GF23N20-30E0-130-134507200621GF24N30-40E9-229-229007500622GF25N70-80E3-103-102207500623GF26N20-30E3-123-122507500424GF27N20-30E16104508100125GF15-1N30-40E10-010-0750326f3-7N40-50E88700327f3-8N30-45E1010350228NF1N30-40E0-100-106001229NF4N35-30E8-158-1510001230F--101012502031F1N40-50E0-100-105003311802007122007132007142007152007162007172007182007192007202007215.85Km24.4m3+89.75m+87.68m100m3+130m+126m+81.42+65.40m+71.76m1906567811.07127m35m120.911.78mq=0.5L/S.m200722+100+120m3460282m3/h0.824.09m364.08m558.8mq=0.780.0031L/s.mk=40.440.172m/d1986545m3/h205m3/h-210m0.732.88m1.96m656.5m1987240m3/h105m3/hF-160mF-80m481.768.6m4.93m715.65mB800m20072320072420072560.734.65m1.96m656.5m19872-210m40m3/h105m3/h81.768.6m4.93m00.35mq0.00060.817L/SM60.93113m-50mq0.790.813L/S.mK=3.715.896m/d-50-300mq=0.00060.002L/S.mK=0.010.03m/d-300m8200726ArtLtKpH+×=222200727DgCpMPTs--=20072812606337.463485812313.31350591021.3.8063336210311.97352599144.71275599284.192485812294.9533059219.23340599321.181765811319.35311594391.083270592308.573535911253.613415910300200729309593430.7307594312.839605320.72273599286.782205811314.929459312.161601310.7343622335.3335912363.58313593292.731785810305.294602267.976342634369.44199302.441845811308.055306.0631225841.82845915911207.3214758661.41317594118.15630463187.12286592157.58315594160.21825811225.54-70m500800m3/h17340m3/h2007303200731200732200733200734200735m3/h)1197112103920-623219781131051105-2533197933206200-7534198163402500-58.7351981834052101-54261982933041000-78371983123305300-106381984526076478-67.591985123607109060-7910198794301206035-12841119881-80m53110-75.5121988243031027040-15441319884720654040-18514198911-210m21010-21015199037200316.510-207.21619916710350150100-2017199187104524.720-20181992107105155350-3019199212710410144.5140-272019931-210m329703297032970-205.821199310710720234125-542219946710965130114-67022319949710840120120-71.8324199410-80m3674.56745-75.32519941071062130130-38.820073626199828201207070-21827199810820324040-2262819989N720135050-74291998103103450-13933020011810054625-167.731200128204306767-21832200178206204040-2113320024810410598598--168342002128101451654016540-1833520028750867200176-1605678-10m0.06MPa/m475.73/Km2394300308m3/h-70200737200738200739200740200741200742200743D450-603325732/450m3/h2265m1350m3/h6000m3B122-606D450-60333771264/450m3/h2500m6000m32007442970m3/h200D43512288m3/h3257D450-60332450m3/h3B122-60432540m3/h3000m3/h540m6000m3ZQ20-3150mm23000m62002.322.01990-701#2.301.71987-702#2.301.71987-702.301.71989-2102.322.01990-2102.322.0199012200745KpPKML35.0=200746200747KPALa/35.0=200748200749μμμ3-4-μ2007502007512007522007532007542β200755β2007562007572007582007591987P1456YoungerPL,BarbourMH,SherwoodJM.PredictingtheconsequencesofceasingpumpingfromtheFrancesandMichaelCollieries,Fife.In:FifthNationalHydrologySymposium,Heriot-WattUniversity,Edinburgh,1995,p.2.25–2.33.[22]ShaulisJR.CoalresourcesofFayetteCounty,Pennsylvania:PartI.Coalcroplines,mined-outareas,a