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基于新旧沥青融合特性的泡沫沥青冷再生混合料性能研究.docx

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基于新旧沥青融合特性的泡沫沥青冷再生混合料性能研究 Title:PerformanceStudyofFoamAsphaltColdRecyclingMixturebasedontheFusionCharacteristicsofNewandOldAsphalt Abstract: Thecontinuousgrowthofroadinfrastructuredemandssustainableandcost-effectivepavementrehabilitationtechniques.Inrecentyears,coldrecyclinghasemergedasapromisingsolutionforpavementrehabilitationduetoitsbenefitsinreducingmaterialcostsandenvironmentalimpacts.Thisstudyaimstoinvestigatetheperformanceoffoamasphaltcoldrecyclingmixturebyutilizingthefusioncharacteristicsofnewandoldasphalt.Thekeypropertiesofthemixture,suchasmoisturesusceptibility,ruttingresistance,fatigueresistance,andmoisturedamage,willbeevaluatedthroughlaboratorytestingandanalysis. 1.Introduction 1.1Background 1.2Objective 1.3Significance 2.LiteratureReview 2.1Coldrecyclingtechniques 2.2Foamasphalttechnology 2.3Performanceevaluationoffoamasphaltmixture 3.Methodology 3.1Materials 3.1.1Newandoldasphalt 3.1.2Aggregates 3.1.3Additives 3.2Samplepreparation 3.2.1Blendingofnewandoldasphalt 3.2.2Foamasphaltproduction 3.2.3Mixturedesign 3.3Laboratorytesting 3.3.1Moisturesusceptibilitytesting 3.3.2Ruttingresistancetesting 3.3.3Fatigueresistancetesting 3.3.4Moisturedamagetesting 4.ResultsandDiscussion 4.1Moisturesusceptibility 4.2Ruttingresistance 4.3Fatigueresistance 4.4Moisturedamage 5.Conclusion 5.1Summaryoffindings 5.2Recommendationsforfutureresearch References 1.Introduction: 1.1Background Asphaltpavementsplayacrucialroleinprovidingsafeandefficienttransportationinfrastructure.However,thecontinuousdeteriorationofthesepavementsduetoaging,heavytrafficloads,andharshenvironmentalconditionsnecessitateseffectivepavementrehabilitationtechniques.Inrecentyears,coldrecyclinghasgainedsignificantattentionasasustainableandcost-effectivemethodforpavementrehabilitation. 1.2Objective Theobjectiveofthisstudyistoevaluatetheperformanceoffoamasphaltcoldrecyclingmixturesbyutilizingthefusioncharacteristicsofnewandoldasphalt.Throughlaboratorytestingandanalysis,thekeypropertiesofthemixturewillbeassessed