Designation:D7115−20StandardTestMethodforMeasurementofSuperpaveGyratoryCompactor(SGC)InternalAngleofGyrationUsingSimulatedLoading1ThisstandardisissuedunderthefixeddesignationD7115;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheprocedureforthemeasure-mentoftheSuperpaveGyratoryCompactor(SGC)internalangleofgyrationusinganinstrumentcapableofsimulatingloadingconditionssimilartothosecreatedbyanasphaltmixturespecimen.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thevaluegiveninrotationsperminuteisprovidedforinformationregardingcommonlyusedunits.1.2.1IEEE/ASTMSI10,AmericanNationalStandardforMetricPractice,offersguidancewhereuseofdecimaldegreesforplaneangles(versusradians)andrevolutionsperminuteforrateofgyration(versusradianspersecond)isacceptablewithintheIEEE/ASTMSI10systemwhenusedonaminimalbasis.1.3Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsD8TerminologyRelatingtoMaterial...