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高应力大采高厚煤层综采工作面矿压规律研究 Title:ResearchonStrataPressureLawinHighStressandThick-coalSeamFullyMechanizedTopCoalCavingMiningFace Abstract: Withtherapiddevelopmentofthecoalminingindustry,highstressandthick-coalseamshavebecomethefocusofcoalminingoperationsduetotheirpotentialforhighproductionoutput.Inafullymechanizedtopcoalcaving(FMTC)miningsystem,understandingthestratapressurelawisessentialforensuringsafeandefficientminingoperations.Thisstudyaimstoinvestigatethestratapressurelawinhighstressandthick-coalseamFMTCminingfacesthroughacomprehensiveresearchapproach.Variousaspectssuchasstratabehavior,mining-inducedfailures,andsupportdesignwillbeexploredtoprovidevaluableinsightstotheindustry. 1.Introduction 1.1Background 1.2Objectiveofthestudy 2.LiteratureReview 2.1Stratapressureincoalmining 2.2Fullymechanizedtopcoalcavingminingtechnique 2.3Previousstudiesonstratabehaviorinhighstressandthick-coalseamFMTCminingfaces 3.Methodology 3.1Datacollection 3.2Laboratorytesting 3.3Numericalmodeling 3.4Fieldobservations 4.ResultsandDiscussion 4.1Characteristicsofstratabehaviorinhighstressandthick-coalseamFMTCminingfaces 4.2Analysisofmining-inducedfailures 4.3Evaluationofexistingsupportdesignmethods 4.4Stratapressuredistributionandpredictionmodels 5.MitigationMeasures 5.1Propersupportdesignforhighstressandthick-coalseamFMTCminingfaces 5.2Monitoringandcontroltechniques 5.3Roofpre-splittingtechnique 5.4Ventilationoptimization 6.CaseStudy 6.1Selectionofarepresentativehighstressandthick-coalseamFMTCminingface 6.2Applicationofmitigationmeasures 6.3Comparativeanalysisofpreandpost-implementationresults 7.Conclusion 7.1Summaryofresearchfindings 7.2Implicationsfortheminingindustry 7.3Suggestionsforfutureresearch References Inthispaper,weaimtoprovideacomprehensiveunderstandingofthestratapressurelawinhighstressandthick-coalseamFMTCminingfaces.Byutilizingamulti-disciplinaryapproachcomprisinglaboratorytesting,numericalmodeling,andfieldobservations,weaimtopresentvaluableinsightsintothebehaviorofthestrata,minin