采矿方法复习

CoalMiningMethod1FANGangweiTEL:13655203693EMAIL:[e-mail]：SchoolofminesB506《CoalMiningmethod》考试题型一.选择题（15*1分）二.词汇题（10*2分）三.翻译（10*5分）四.写作（15分）3CoalGeology&MineMapsHowcoalwasformed4CoalGeology&MineMapsHowcoalwasformedRoof:therockabovethecoalseam,immediate/mainFloor:therockbelowthecoalseam,immediate/mainDirtband5CoalGeology&MineMapsHowcoalwasformedThincoalseam:1.3mMedium-thickcoalseam:1.3—3.5mThickcoalseam:3.5mDirtbandDiscontinuities(Anomalies)Dip/StrikeAngleofDipistheintersectinganglebetweentherockbedandthehorizontalsurface.Flatcoalseam:0°—8°Gentlyinclined:8°—25°Inclined:25°—45°Steepcoalseam:45°—90°6CoalGeology&MineMapsDiscontinuities(Anomalies)Fold/Fault7CoalGeology&MineMapsCoalExplorationandcoalreservesCoalReserves8CoalGeology&MineMapsIndustrialReserves:Thebasisofcoalminedesignandproject工业储量WorkableReserves:thereservesthatcanbeexcavated可采储量Designlostreserves:includingallkindsofcoalpillars,locallostduringminingandconveying设计损失量CoalExplorationandcoalreservesCoalReserves9CoalGeology&MineMapsResourceTheamountofcoalthatmaybepresentinadepositorcoalfield.Thisdoesnottakeintoaccountthefeasibilityofminingthecoaleconomically.Notallresourcesarerecoverableusingcurrenttechnology.ReservesReservescanbedefinedintermsofproved(ormeasured)reservesandprobable(orindicated)reserves.Probableresultshavebeenestimatedwithalowerdegreeofconfidencethanprovedreserves.ProvedReservesReservesthatarenotonlyconsideredtoberecoverablebutcanalsoberecoveredeconomically.Thismeanstheytakeintoaccountwhatcurrentminingtechnologycanachieveandtheeconomicsofrecovery.Provedreserveswillthereforechangeaccordingtothepriceofcoal;ifthepriceofcoalislowprovedreserveswilldecrease.GeologicalMapsCoalseamfloorcontour10CoalGeology&MineMaps11MineDivision26A534C114JJJ11QC1CCAC232332QQ3Q2Q1QHorizon1Horizon2Horizon3Stage/Level/BenchHorizon1Horizon2Horizon3District3District1District2District4Sublevel1Sublevel3Sublevel212MineDivisionHorizon1Horizon2Horizon3Stage/Level/BenchJ12J3JF5F3F1F2F4F612Strip13MineDevelopmentMainshaft—coalelevatorAuxiliaryshaft—elevatorforminer’s/equipment…Drift/Adit:SlopeMainroadway:ShaftbottomRise&DipCrosscut14MineProductionSystemMajorproductionsystem:HaulagesystemVentilationsystemMaterialsupplyanddisposalsystem15MineProductionSystemEquipments:HaulagesystemCoal:workingface:armoredfaceconveyor(AFC)mainroadway:beltconveyor/minecarVentilationsystem:ventilatingfan16MineOpeningDrivingRockroadwaydriving:ProcedureMainprocedure:breaking,loading,transporting,supportingAuxiliaryprocedure:ventilating…17BoltingBolt;Cable;Wiremesh;RoofchannelMineOpeningDriving18RetreatingminingLongwallMining2425202318172520232421222122221915141319101195432876116261012图2—8矿井巷道布置示意图1—主井；2—副井；3—井底车场；4—主要运输石门；5—运输大巷；6—风井；7—回风石门；8—回风大巷；9—采区运输石门；10—采区下部车场；11—采区煤仓；12—行人进风巷；13—采区变电所；14—采区运输上山；15—采区轨道上山；16—绞车房；17—采区回风石门；18—采区上部车场；19—采区中部车场；20—区段运输平巷；21—下区段回风平巷；22—联络巷；23—区段回风平巷；24—开切眼；25—采煤工作面；26—采区变电所Setuproom:longwallminingbeginsHeadgate/headentry:Transportationofcoal,men…Tailgate/tailentry:AirreturnChainpillar:ThepillarbetweentwoadjacentcoalfaceGob/goaf:Mined-outarea19RetreatingminingLongwallMining2425202318172520232421222122221915141319101195432876116261012图2—8矿井巷道布置示意图1—主井；2—副井；3—井底车场；4—主要运输石门；5—运输大巷；6—风井；7—回风石门；8—回风大巷；9—采区运输石门；10—采区下部车场；11—采区煤仓；12—行人进风巷；13—采区变电所；14—采区运输上山；15—采区轨道上山；16—绞车房；17—采区回风石门；18—采区上部车场；19—采区中部车场；20—区段运输平巷；21—下区段回风平巷；22—联络巷；23—区段回风平巷；24—开切眼；25—采煤工作面；26—采区变电所Longwalldesignincludesthedeterminationsofpanelsize,entrywidthandchainpillararrangement.UndergroundPressureandbehaviorRoof:therockabovethecoalseam,immediate/mainFloor:therockbelowthecoalseam,immediate/mainDirtbandUndergroundPressureandbehaviorImmediateroof:thekeytoroofcontrol.Mainroof:abovetheimmediateroof,brokenbutuncavedinthelowerportionofthefracturedzone.UndergroundPressureandbehaviorThecavedzone,whichistheimmediateroofbeforeitcaves,rangesinthicknessfromtwototentimestheminingheight.Inthiszone,thestratafallontheminefloorand,intheprocess,arebrokenintoirregularbutplatyshapesofvarioussizes.Theyarecrowdedinarandommanner.UndergroundPressureandbehaviorAbovethecavedzoneisthefracturedzone.Inthiszone,thestrataarebrokenintoblocksbyverticaland/orsubverticalfracturesandhorizontalcracksduetobedseparation.Theadjacentblocksineachbrokenstratumstillmaintaincontacteitherfullyorpartiallyacrosstheverticalorsubverticalfractures.UndergroundPressureandbehaviorBetweenthefracturedzoneandthesoilzoneisthecontinuousdeformationzone.Inthiszone,thestratadeformgentlywithoutcausinganymajorcracksthatextendlongenoughtocutthroughthethicknessofthestrata,asinthefracturedzone.Therefore,thestratabehaveessentiallylikeacontinuousorintactmedium.UndergroundPressureandbehaviorSurfacesubsidence:Theoverburdenisdisturbedfromtheminedseamallthewaytothesurface,whichiscalledsubsidence.Duringundergroundlongwallmining,whenthegobreachesacertainsize,stratamovementwillreachthesurfaceandformsalowareaoflimitedsizeabovethegob.Thisiscalledsubsidencebasin.UndergroundPressureandbehaviorFirstWeightingThefirstphaseofmovementinclu