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再生沥青混合料永久变形性能研究 Title:StudyonthePermanentDeformationPerformanceofRecycledAsphaltMixture Abstract: Asphaltpavementiswidelyusedinroadconstructionduetoitsexcellentperformanceandcost-effectiveness.However,thephenomenonofpermanentdeformation,alsoknownasrutting,isacommonissuethataffectsthedurabilityandservicelifeofasphaltpavements.Inrecentyears,duetoenvironmentalandeconomicfactors,theuseofrecycledasphaltmixturehasgainedsignificantattention.Therefore,thisstudyaimstoinvestigatethepermanentdeformationperformanceofrecycledasphaltmixtureandprovideinsightsintoitssustainableuseinroadconstruction. 1.Introduction 1.1Background 1.2ProblemStatement 1.3ResearchObjectives 2.LiteratureReview 2.1RuttinginAsphaltPavements 2.2RecycledAsphaltMixture 2.3FactorsAffectingPermanentDeformation 2.4PreviousStudiesonthePermanentDeformationofRecycledAsphaltMixture 3.ExperimentalMethodology 3.1MaterialsandTestSpecimens 3.2LaboratoryTests 3.2.1MarshallStabilityTest 3.2.2WheelTrackingTest 3.2.3CreepTest 3.2.4DynamicShearRheometer(DSR)Test 3.3DataAnalysis 4.ResultsandDiscussion 4.1EvaluationofMechanicalProperties 4.1.1MarshallStability 4.1.2WheelTrackingPerformance 4.1.3CreepPerformance 4.1.4DynamicShearRheometerAnalysis 4.2ComparisonofPermanentDeformationPerformancebetweenRecycledandConventionalAsphaltMixtures 4.3InfluenceofRecycledAsphaltContentonPermanentDeformationPerformance 4.4EffectofRejuvenatorsonPermanentDeformationPerformanceofRecycledAsphaltMixtures 5.Conclusion 5.1SummaryofFindings 5.2RecommendationsforFutureResearch 5.3PracticalImplications References Note:Thisoutlineservesasaguideforstructuringthepaperanddoesnotincludethebodyofthetext.Pleaseensureyoudevelopeachsectionwithrelevantinformation,analysis,anddiscussiontoprovideacomprehensivestudyonthepermanentdeformationperformanceofrecycledasphaltmixture.