粒径大小对颗粒堆积体Burgers模型蠕变参数相似试验研究-豆柴文库

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粒径大小对颗粒堆积体Burgers模型蠕变参数相似试验研究
Title:ExperimentalStudyontheEffectofParticleSizeontheCreepParametersofGranularPackingsinBurgersModel
Abstract:
TheBurgersmodeliswidelyusedtodescribethecreepbehaviorofgranularmaterials,whichiscrucialinmanyengineeringapplications.Thisstudyaimstoinvestigatetheinfluenceofparticlesizeonthecreepparametersofgranularpackingsusingasimilarityexperimentalapproach.Theexperimentalsetupinvolvesconstructinggranularpackingsofvaryingparticlesizesandsubjectingthemtoconstantappliedloads.Theresultsdemonstratethesignificanteffectofparticlesizeonthecreepbehaviorandhighlighttheimportanceofunderstandingthisrelationshipforbetterengineeringdesignandriskassessment.
1.Introduction
Granularmaterialsarewidelyencounteredingeotechnicalengineering,mining,petroleum,andmanyotherindustries.Understandingtheirmechanicalbehaviorisessentialfordesigningstructuresandpredictingtheirlong-termstability.Creepisatime-dependentdeformationphenomenonthatcancausesignificantdamagetogranularpackingsovertime.TheBurgersmodelhasbeenwidelyadoptedtocharacterizecreepingranularmaterials,consideringbothelasticandviscouscomponents.ThisstudyaimstoinvestigatehowparticlesizeaffectsthecreepparametersintheBurgersmodeltoenhanceourunderstandingofgranularmaterials'long-termbehavior.
2.ExperimentalMethodology
2.1SamplePreparation
Granularpackingswithvaryingparticlesizesarepreparedusingacontrolledmethod.Theparticlesarecarefullyselectedfromarangeofsizesandsievedtoensureconsistentsizedistribution.Thecompactionprocedureiscarriedoutusingashakingtabletoensureuniformityandreproducibility.
2.2ExperimentalSetup
Amechanicaltestingmachineisutilizedtoapplyaconstantloadtothepreparedgranularpackingsamples.Straingaugesareattachedtothesamplestomeasurethedeformationunderload.Thecreepbehaviorisobservedoveranextendedperiod,andthevariousparametersoftheBurgersmodelaredetermined.
3.ResultsandDiscussion
TheexperimentalresultsrevealaclearcorrelationbetweenparticlesizeandthecreepparametersofgranularpackingsintheBurgersmodel.Itisob