Designation:D4469−17StandardPracticeforCalculatingPercentAsphaltAbsorptionbytheAggregateinAsphaltMixtures1ThisstandardisissuedunderthefixeddesignationD4469;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversequationsforcalculatingpercentasphaltabsorptionbytheaggregateinanasphaltmixture,expressedaspercentoftheoven-drymassoftheaggregateintheasphaltmixture.Thiscalculationisbasedonmeasuredvaluesforcomponentsandpropertiesofanoven-dryasphaltmixture.1.2Thispracticedoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C127TestMethodforRelativeDensity(SpecificGravity)andAbsorptionofCoarseAggregateC128TestMethodforRelativeDensity(SpecificGravity)andAbsorptionofFineAggregateC136TestMethodforSieveAnalysisofFineandCoarseAggregatesD8TerminologyRelatingtoMaterialsforRoadsandPave-mentsD1561PracticeforPreparationofBituminousMixtureTestSpecimensbyMeansofCaliforniaKneadingCompactorD2041TestMethodforTheoreticalMaximumSpecificGravityandDensityofBituminousPavingMixturesD2172TestMethodsforQuantitativeExtractionofBitumenFromBituminousPavingMixturesD3289TestMethodforDensityofSemi-SolidandSolidAsphaltMaterials(NickelCrucibleMethod)D4125TestMethodsforAsphaltContentofBituminousMixturesbytheNuclearMethodD5444TestMethodforMechanicalSizeAnalysisofEx-tractedAggregateD6307TestM...
