Designation:D6995−21StandardTestMethodforDeterminingFieldVMABasedontheMaximumSpecificGravityofanAsphaltMixture(Gmm)1ThisstandardisissuedunderthefixeddesignationD6995;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisintendedtobeusedforarapidfielddeterminationofvoidsinmineralaggregate(VMA)ofasphaltmixture.ItprovidesequationsforcalculatingtheVMAbasedontheasphaltcontentofthemixanditsmaximumspecificgravity(Gmm).Itisintendedthatthisshouldbeusedfortherapid“field”determinationofVMAduringqualitycontrol(QC)operationsatHMAplants,particularlywherethespecificgravityoftheaggregateishighlyvariable.NOTE1—VMAdeterminedusingtherapidfieldmethodisVMAthathasbeencorrectedforaggregateabsorption.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C127TestMethodforRelativeDensity(SpecificGravity)andAbsorptionofCoarseAggregateC128TestMethodforRelativeDensity(SpecificGravity)andAbsorptionofFineAggregateD70/D70MTestMethodforSpecificGravityandDensityofSemi-SolidAsphaltBinder(PycnometerMethod)D854TestMethodsforSpecificGravityofSoilSolidsbyWaterPycnometerD2041/D2041MTestMethodforTheoreticalMaximumSpecificGravityandDensityofAsphaltMixturesD2172/D2172MTestMethodsforQuantitativeExtractionofAsphaltBinderfromAsphaltMixturesD2726/D2726MTestMethodf...
