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EvolutionaryModelofCoalMineWater

HazardsBasedonMulti-agentChengzhuGong,LanlanLi,KejunZhu,YanhuiGaoChinaUniversityofGeosciences,Wuhan2011-9-30EvolutionaryModelofCoalMin1CONTENTSIntroductionEvolutionarymodelofcoalminewaterhazardsSimulationwithNetLogoConclusionsCONTENTSIntroduction2INTRODUCTIONCoalwater-inrushaccidentsincreasingCoalminesareincomplexhydro-geologicalconditionsExtensionofcoalminingdepthCoaldemandconstantlyincreasingPreventionofcoalwater-inrusharerenewedattentionINTRODUCTIONCoalwater-inrush3INTRODUCTIONCoalminewaterhazardcognizanceIsacomplexandadaptivephenomenonPossessnonlineardynamiccharacteristicsPreventionmethodsofcoalwater-inrushWaterburstingcoefficient、VulnerabilityindexmethodCriticallayeranalysis、FaulttreeanalysisGIS、DC、TEM&InformationfusionanalysisINTRODUCTIONCoalminewaterha4INTRODUCTIONDeficiencyofthetraditionalmethodFailedtodescribethenonlineardynamicphenomenaNotstudiedontheviewofsystemscienceThecreativepointsofthethesisSolvingbycomplexsystemstheory&methodsUsingAgent-basedmodelingandsimulation(ABMS)INTRODUCTIONDeficiencyofthe5EVOLUTIONARYModelFormationmechanismofcoalwater-inrushWater-inrushprinciple&Energyaccidentalrelease&

HumanerrortheoryEVOLUTIONARYModelFormationme6EVOLUTIONARYModelEvolutionmechanismofcoalwater-inrush

WaterChannelDrainageandemergencymeasures.MiningactivitiesEVOLUTIONARYModelEvolutionme7EVOLUTIONARYModelAgent-basedmodelofcoalwater-inrushAgentsinteractiveinthemodel.EVOLUTIONARYModelAgent-based8SIMULATIONProcessesSimulationplatform:NetLogoParameterssettingWatersourcesrank:[0-5]Channelpermeability:[0-1]Miningactivity:#workers*NDrainageability:baseonwatervolumeIterations:5000SIMULATIONProcessesSimulation9SIMULATIONProcessesSimulationinterfacesinNetLogoTwodimensionalareaisdividedintofourparts:waterarea、channelarea、miningactivityarea&drainagearea.Changeparameterswillsimulatedifferentsituations.SIMULATIONProcessesSimulation10SIMULATIONResultsCurveExplaincurve①water-richnessofthemine;curve②interceptingeffectofwater-prooflayer.curve③risklevelsofwaterinminingareas.curve④drainageabilityoftheminingarea.SIMULATIONResultsCurveExplai11SIMULATIONResultsSimulationsituationExplainSafetyminingconditionAbetterconditionsofwaterprooflayerSIMULATIONResultsSimulations12SIMULATIONResultsSimulationsituationExplainWater-prooflayerisdamagedsuddenlyLowdrainageabilitySIMULATIONResultsSimulations13SIMULATIONResultsSimulationsituationExplainWaterpluggingtechnologyisusingDrainageabilityisimprovedSIMULATIONResultsSimulations14CONCLUSIONSUsingABMStostudytheevolutionofcoalminewaterhazardsisadoptingEvolutionprocessisdynamicallypresentedResultscouldexplainthesituationincoalmineOwinggoodextensionabilityCheckingsomepreventionseffectivenessCONCLUSIONSUsingABMStostudy15谢谢

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