Designation:D7227/D7227M−17StandardPracticeforRapidDryingofCompactedAsphaltMixtureSpecimensUsingVacuumDryingApparatus1ThisstandardisissuedunderthefixeddesignationD7227/D7227M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheprocessofdryingcompactedasphaltmixturespecimensusingvacuumdryingapparatus.1.2Thespecimensdriedbythispracticeremainatroomtemperature,whichhelpsinmaintainingspecimenintegrityduringthedryingprocess.1.3Thispracticecanbeusedforcompactedcylindricalandcubicallaboratoryandfieldasphaltmixturespecimens.1.4Thispracticecanalsobeusedfordryingotherconstruc-tionmaterialssuchasconcrete,soils,aggregates,andlooseasphaltmixtures.Usethemanufacturer’srecommendationsfordryingotherconstructionmaterials.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalent;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.6Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D8TerminologyRelatingtoMater...
