大采高大断面回采巷道区段煤柱宽度的优化研究.docx

大采高大断面回采巷道区段煤柱宽度的优化研究
Title:OptimizationStudyofCoalPillarWidthinLarge-sectionRetreatMiningGalleriesforThickCoalSeams
Abstract:
Theoptimizationofcoalpillarwidthinlarge-sectionretreatmininggalleriesisanimportantresearchtopicincoalminingengineering.Thispaperaimstoexplorethefactorsinfluencingthecoalpillarwidthandproposeanoptimizedapproachtoensurethesafetyandefficiencyofminingoperations.Bycomprehensivelyconsideringthegeologicalconditions,miningmethods,stabilityanalysis,andeconomicevaluations,thisstudypresentsasystematicanalysisandoptimizationapproachfordeterminingthereasonablecoalpillarwidth.Theresultsindicatethatoptimizingthecoalpillarwidthcaneffectivelyenhancethestabilityofthesurroundingrockandminimizetheriskofroofcollapse,whilemaximizingcoalextractionrateandreducingproductioncosts.
1.Introduction
1.1BackgroundandSignificance
1.2ResearchObjectives
1.3StructureofthePaper
2.FactorsInfluencingCoalPillarWidth
2.1GeologicalConditions
2.2MiningMethods
2.3StressDistribution
2.4SafetyFactors
3.StabilityAnalysisofSurroundingRock
3.1RoofStabilityAnalysis
3.2PillarStabilityAnalysis
3.3SupportDesign
4.EconomicEvaluation
4.1CostAnalysis
4.2RecoveryRateAnalysis
4.3ProfitabilityAnalysis
5.OptimizedApproachforDeterminingCoalPillarWidth
5.1MathematicalModel
5.2NumericalSimulation
5.3SensitivityAnalysis
6.CaseStudy
6.1GeologicalDataCollection
6.2NumericalSimulationResultsandAnalysis
6.3VerificationofOptimizedApproach
6.4Discussion
7.Conclusion
7.1SummaryofFindings
7.2PracticalImplications
7.3RecommendationsforFutureResearch
References
Thispaperprovidesacomprehensiveintroductiontotheoptimizationstudyofcoalpillarwidthinlarge-sectionretreatmininggalleries.Throughthesystematicanalysisoffactorsinfluencingcoalpillarwidth,stabilityanalysis,andeconomicevaluations,anoptimizedapproachisproposedfordeterminingareasonablecoalpillarwidth.Thecasestudyprovidespracticalinsightsanddemonstratestheeffectivenessoftheproposedapproach.Thefindingsofthisresearchcontributetotheimprovementofcoalminingoperationsby