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深部断层防水煤柱留设宽度的模拟试验探究.docx

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深部断层防水煤柱留设宽度的模拟试验探究 Title:ASimulatedExperimentalStudyontheRetentionWidthofWaterproofCoalPillarsinDeepFaultZones Abstract: Theretentionwidthofwaterproofcoalpillarsindeepfaultzonesisacrucialfactorinensuringthestabilityandsafetyofundergroundcoalmining.Thisstudyaimstoinvestigatethefactorsaffectingtheretentionwidthandestablishasimulationmodeltoanalyzeandoptimizethewidthofwaterproofcoalpillars.Theexperimentalresultsprovideessentialinsightsandrecommendationsforthedesignandoperationofundergroundcoalminingindeepfaultzones. 1.Introduction: 1.1Background 1.2Statementoftheproblem 1.3Objectives 2.LiteratureReview: 2.1Thesignificanceofwaterproofcoalpillars 2.2Factorsinfluencingtheretentionwidth 2.3Previousresearchonretentionwidthindeepfaultzones 3.Methodology: 3.1Experimentaldesign 3.2Laboratorysetup 3.3Datacollectionandanalysis 4.ResultsandDiscussion: 4.1Retentionwidthvariationwithfaultcharacteristics 4.2Effectofcoalpillarspacingonretentionwidth 4.3Analysisofstressdistributionduringpillarretention 5.Conclusion: 5.1Summaryoffindings 5.2Implicationsandrecommendationsforpractice 5.3Suggestionsforfutureresearch 1.Introduction: 1.1Background: Inundergroundcoalmining,thepresenceoffaultzonesposessignificantchallengestothestabilityandsafetyofminingoperations.Itiscrucialtoensureeffectivecontrolandcontainmentofwaterandgasinfiltrationinthesefaultzonestominimizetheriskofaccidents,suchascoalandgasoutbursts,rockbursts,andwaterinflowdisasters.Designingandmaintainingwaterproofcoalpillarsisoneofthewidelyadoptedmeasurestoaddressthisissue. 1.2StatementoftheProblem: Thedeterminationoftheretentionwidthofwaterproofcoalpillarsindeepfaultzonesiscriticaltotheproperdesignandoptimizationofundergroundcoalminingoperations.However,thereisalackofsystematicresearchandexperimentaldataonthefactorsinfluencingtheretentionwidth,hinderingthedevelopmentofeffectivedesignguidelinesandoperatingstrategies. 1.3Objectives: Themainobjectiveofthisstudyistoconductasimulatedexperimentalinvestigationtoexplorethefactorsinfluenci