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大直径深孔阶段空场嗣后充填采矿法底部结构优化 Title:OptimizationofBottomStructureinLargeDiameterDeepHoleStageEmptyFieldSillFillingMiningMethod Abstract: Thedevelopmentofminingtechnologyhasledtotheexplorationofdeepundergroundresourcesthroughlargediameterdeepholestageemptyfieldsillfillingminingmethods.Thisminingmethodinvolvesexcavatinglargediameterdeepholesandfillingthemwithwasterocksortailings,whichnotonlyreducesthesurfacedisturbancebutalsomaximizestherecoveryofmineralresources.Theoptimizationofthebottomstructureinthisminingmethodplaysacriticalroleinensuringthestabilityandefficiencyoftheminingprocess.Thispaperaimstoanalyzeandproposestrategiesforoptimizingthebottomstructureinthelargediameterdeepholestageemptyfieldsillfillingminingmethod. 1.Introduction: 1.1Backgroundandsignificance 1.2Objectivesofthestudy 2.LiteratureReview: 2.1Overviewoflargediameterdeepholestageemptyfieldsillfillingminingmethod 2.2Previousstudiesonbottomstructureoptimization 3.Methodology: 3.1Datacollection 3.2Numericalmodeling 3.3Analysisandoptimization 4.FactorsAffectingBottomStructureOptimization: 4.1Geotechnicalpropertiesofthefillingmaterials 4.2Geometricparametersofthebottomstructure 4.3Hydrogeologicalconditions 4.4Dynamicstressanalysis 5.OptimizationStrategies: 5.1Selectionofappropriatefillingmaterials 5.2Designoptimizationofthebottomstructure 5.3Optimizationofhydrogeologicalconditions 5.4Dynamicstressanalysisandstructuralreinforcement 6.CaseStudy: 6.1Selectionofaminingsite 6.2Analysisandoptimizationofthebottomstructure 7.ResultsandDiscussions: 7.1Assessmentofstabilityandefficiency 7.2Comparisonofdifferentoptimizationstrategies 7.3Validationoftheproposedoptimizationstrategies 8.Conclusion: 8.1Summaryofthefindings 8.2Recommendationsforfutureresearch References(APAformatting) Thisresearchpaperaimstoprovideacomprehensiveanalysisoftheoptimizationofthebottomstructureinthelargediameterdeepholestageemptyfieldsillfillingminingmethod.Byconsideringvariousfactorssuchasgeotechnicalproperties,geometricparameters,hydrogeologicalc