Designation:D4311/D4311M−15StandardPracticeforDeterminingAsphaltVolumeCorrectiontoaBaseTemperature1ThisstandardisissuedunderthefixeddesignationD4311/D4311M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeprovidestablesofvolumecorrectionfactorswhichmaybeusedtoconvertvolumesofasphaltmeasuredatdifferenttemperaturestoavolumeatastandardbasetemperature.Thesetablesareapplicabletoalltypesofasphaltsexceptemulsifiedasphalts.1.2Thispracticeprovidestablestoconvertasphaltvolumesto15°C[60°F]fromvolumesmeasuredatanytemperaturefrom−25to+275°C[0to500°F].1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.NOTE1—CorrectionfactorsinTable1andTable2areforuseinplaceofcorrectionfactorsprovidedinGuideD1250,whichdonotaddressrequirementsforasphaltspecifications.22.ReferencedDocuments2.1ASTMStandards:3D70TestMethodforDensityofSemi-SolidBituminousMaterials(PycnometerMethod)D1250GuideforUseofthePetroleumMeasurementTablesD3142TestMethodforSpecificGravity,APIGravity,orDensityofCutbackAsphaltsbyHydrometerMethodD3289TestMethodforDensityofSemi-SolidandSolidBituminousMaterials(NickelCrucibleMethod)3.SignificanceandUse3.1Asphaltschangeinvolumewithchangeintemperature.Theyareloadedortransferredatwidelyvaryingtemperatures.Volumecorrectionfactorsareusedtoadjustbulkvolumesmeasuredatthosetemperaturestocorrespondingvolumesatabasetemperatureof15°Cor[60°F]forthepurposesofcustodytransferandaccountingoperations.3.2Correctionfactorsasprovidedinthispracticehaveproventobesufficientlyaccuratefortheintendedpurposes.3.3Coefficientsofexpansionusedfordevelopmentofdatainth...
