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http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/9957| Title: | QuantifyingtheImpactofUncertainMaterialParametersonPavement ResponseusinganInverseModellingTechnique |
| Authors: | P, Kathirgamanathan M, Vignarajah |
| Keywords: | Finite element modelling,;Inverseproblem,;Parameterestimation,;Pavement response |
| Issue Date: | 2023 |
| Publisher: | KDU International Research Conference |
| Abstract: | Accuratemodellingofpavementresponseplaysacriticalroleintheeffectivedesign, 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. |
| URI: | http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/9957 |
| Appears in Collections: | Interdisciplinary Studies |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Quantifying the Impact of Uncertain Material Parameters on Pavement.pdf | 189.9 kB | Adobe PDF | View/Open |
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