杉木樹礦石炭溝河下煤層安全開采研究.pdf

1、西安科技大學碩士學位論文杉木樹礦石炭溝河下煤層安全開采研究姓名：范志勝申請學位級別：碩士專業(yè)：采礦工程指導教師：余學義20090514Subject：StudyonCoalseamMiningSafetyUnderShiTanGouRiverofShanMuShuCoalMineSpecialty：MiningEngineeringName：FanZhiShengInstructor：YuXueYiABSTRACT(Signature)

2、(Signature)TherearemanythreatsofwaterbodyduringthecoalminingbecauseofminingconditionandtheomplexityofthehydrologicalgeologyconditioninoutmanycoalminesItisoneofimportantproblemsurgencytosolveforcoalsafetyminingthathowtomi

3、ningthecoalinunderthewaterbodysafetyandrationallyUndergroundminingCancauseddamagebyoverburdenstratamoving，Oncesweepinghighlayeredaquifermayberesultinwatersflowinginunderground，threatentocoalmineproductionandsafetyWhenpro

4、ceedingcoalminingunderwaterbodyMiningarousewaterflowingfracturedzonedevelopingheightandformsofoverburdenstrataalethekeytechnologyofsafetypropertyandeconomyThispaperappliedthetheoryofpressureofminingareaandcoalminingunder

5、waterbodyanalysisontypeofoverburdenstrataandconditionsofthehydrologicalgeologyandminingFuRongGroupShanMuShucoalmineareaShiTanGouRiverN24workingareaofB34coalseam，thenaccordingFLAC’DandFRFPA2Dnumericalcalculationanalysisan

6、dsimilarmaterialsimulationexperiment，metaanalysisonrulesofoverburdenstratamovingdeformationand‘threezone’，whenminingN24workingareaofB34coalseamunderShiTanGouRiverespeciallywaterflowingfracturedzonedevelopingheightandform

7、s，giveoutapredictionformulaofheightofwaterflowingfracturedzoneadaptingtoFuRongmineaeraDetailedlysimulatedandanalysisonrangeandformofriverbeddestroyedandRangeofminingmayarOUSeamboriverbedslidinghillcreephazardswith3mand2m

8、mininghighinN24workingareaofB34coalseamunderShiTanGouRiverUsethetheoryofcoalminingunderwaterbodycombinedwiththeconclusionsofsimulationexperiment，analysistoobtainedthesafetyminingplansuitableforN24workingareaofShiTanGouRi