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《深部緩傾斜薄礦體采場結(jié)構(gòu)參數(shù)優(yōu)化及采動沉陷特性研究》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、中南大學(xué)碩士論文ABSTRACTWhenexploitingslowlyinclinedthinorebodyunderthebuilding，thereoftenappearslarge—scalepressureactivitiesbecauseoftheunreasonablestopestructureparametersandexploitdisorders，whichtriggersserioussubsidencedeformationofsurfaceandhaslostalotoforeresourcesTherefore，mini
2、ngschemedesignbasedonreasonableslopestructureparametersandexploitorderisparticularlyimportantinslopingZinccopperorebodyofTongkengmine，whichisinclinedthinorebody,isburieddeepandlocatedbelowtheindustryplazaandofficebuildingsThispaperbasesontheengineeringgeologysurveyandindoorrock
3、mechanicsexperiments，inuseofboththetheoreticalcalculationandnumericalsimulationtesttooptimizereasonablestopestructureparametersandminingsequence，andsynthesizescaleminingtechnologyandnowasteagainstminingtechnologytoputforwardtheminingscheme，andthenresearchthesurfacesubsidencecha
4、racteristicstriggeredbyminingThemaincontentsasfollowing：(1)CarryOUttheengineeringgeologysurveywork，thenmastertheorebodylgeologicalcharacteristicsofthesurroundingrock，andobtaintheoremechanicalparametersthrou曲theindoorrockmechanicsexperiments(2)Expoundthefailurecriterionofstopeen
5、gineering，andputforwardthedestructioncriterionofrockmassthroughthesynthesisofcommonlyusedRockStrengthTheory,PermissibleUltimateDisplacementCriterionandPlasticZoneCriterion(3)Constructanumericalmodeltocalculatestopelimitexposurearea，andcombinewithMatbewtheorytolimitofzincbodyexp
6、osedareaasvalueof900m2incopperminestopeThenconstructthenumericalmodeltooptimizethestopestructureparametersandminingsequence，theresultofwhichshowsthatthedesigninwhichthedistancedof40minstopetendencylength，widthof225minstopetrend，widthoforepillaras6m．slopingorderisfromoneendtothe
7、otheralongⅡendandrecoveryisalongthetendencyfromlowtohighpositionisthebest中南大學(xué)碩士論文design．(4)Inusageofbothscaleminingtechnologyandnowasteagainstminingtechnology,forwardtheminingschemeswhichapplytotheexploitonorebodywhichhascharacteristicsofbeingburieddeep，thinthicknessandslowincl
8、ination(5)Useprobabilityintegralmethodandfiniteelement
