QuantifyingtheImpactofUncertainMaterialParametersonPavement ResponseusinganInverseModellingTechnique

dc.contributor.authorKathirgamanathan, P.
dc.contributor.authorVignarajah, M.
dc.date.accessioned2023-12-19T04:24:34Z
dc.date.available2023-12-19T04:24:34Z
dc.date.issued2023
dc.description.abstractAccuratemodellingofpavementresponseplaysacriticalroleintheeffectivedesign, analysis,andmaintenanceofroadinfrastructure.However,thepresenceofuncertainty inmaterialparameterscansignificantlycompromisethereliabilityandaccuracyofsuch models.Thisstudyfocusesoninvestigatingtheimpactofuncertainmaterialparameters onpavementresponsebyemployinganinversemodellingtechnique.Theobjectiveofthis researchistoutilizeaninversemodellingapproachtoassesstheinfluenceofuncertain materialparametersonUzan’smodel,acommonlyusedmodelforpavementresponse. ThestudyconsidersmeasuredstressandstrainvaluesobtainedfromtyreandFalling WeightDeflectometerloadconditionsappliedtogranularmaterials.Theinversemodel isformulatedasanonlinearleastsquaresminimizationproblem,inconjunctionwith afiniteelementmodelthatanalysesthedeformationofflexiblepavements.Through theapplicationoftheinversemodellingtechnique,thisstudyaimstodeterminethe extenttowhichuncertainmaterialparametersaffecttheaccuracyofpavementresponse predictions.Bycomparingthepredictedpavementbehaviourderivedfromtheinverse modelwithactualmeasureddata,theinfluenceofuncertainparameterscanbequantified. Theoutcomesofthisresearchcontributetoadvancingtheunderstandingofthecomplex interplaybetweenmaterialparameteruncertaintiesandpavementresponse.en_US
dc.identifier.urihttp://repo.lib.jfn.ac.lk/ujrr/handle/123456789/9957
dc.language.isoenen_US
dc.publisherKDU International Research Conferenceen_US
dc.subjectFinite element modelling,en_US
dc.subjectInverseproblem,en_US
dc.subjectParameterestimation,en_US
dc.subjectPavement responseen_US
dc.titleQuantifyingtheImpactofUncertainMaterialParametersonPavement ResponseusinganInverseModellingTechniqueen_US
dc.typeConference paperen_US

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