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1、Designation:D5976–00StardSpecificationfTypeIPolymerModifiedAsphaltCementfUseinPavementConstruction1ThisstardisissuedunderthefixeddesignationD5976thenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladoption

2、inthecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon(e)indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thisspecificationcoversasphaltcementsthathave

3、beenmodifiedbytheadditionofanappropriatepolymerfuseinpavementconstruction.Itwasdevelopedtoprovideareferencefspecifyingpolymermodifiedasphaltreflectsthepropertiesofcurrentlyavailablecommercialproducts.Thisisnotintendedtob

4、eaperfmancebasedspecification.1.2TypeIpolymermodifiedasphaltsaretypicallymadewithstyrenebutadienestyrenebutadienestyreneblockcopolymers.Howeveranypolymermaybeusedthatwillgivetherequiredtestresultswhenblendedwiththedesire

5、dasphalt.1.3ThevaluesstatedinSIunitsaretoberegardedasthestard.Thevaluesgiveninparenthesesarefinfmationonly.1.4Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserof

6、thisstardtoestablishappropriatesafetyhealthpracticesdeterminetheapplicabilityofregulatylimitationspritouse.2.ReferencedDocuments2.1ASTMStards:D5TestMethodfPerationofBituminousMaterials2D36TestMethodfSofteningPointofBitum

7、en(RingBallApparatus)3D92TestMethodfFlashFirePointsbyClevelOpenCup4D113TestMethodfDuctilityofBituminousMaterials2D140PracticefSamplingBituminousMaterials2D1754TestMethodfEffectofHeatAironAsphalticMaterials(ThinFilmOvenTe

8、st)2D2042TestMethodfSolubilityofAsphaltMaterialsinTrichloethylene2D2170TestMethodfKinematicViscosityofAsphalts(Bitumens)2D2872TestMethodfEffectofHeatAironaMovingFilmofAsphalt(RollingThinFilmOvenTest)2D4957TestMethodfAppa

9、rentViscosityofAsphaltEmulsionResidues2NonNewtonianBitumensbyVacuumCapillaryViscometer2D6084TestMethodfElasticRecoveryofBituminousMaterialsbyDuctilometer2E11SpecificationfWireClothSievesfTestingPurposes53.Manufacture3.1T

10、heasphaltusedtopreparethepolymermodifiedasphaltcementshallbepreparedbytherefiningofcrudepetroleumbysuitablemeans.4.PhysicalRequirements4.1Thepolymermodifiedasphaltcementshallbehomogeneousfreefromwatershallnotfoamwhenheat

11、edto175C(347F).4.2ThepolymermodifiedasphaltcementshallconfmtotherequirementsofTable1.4.3Thepolymermodifierasphaltcementshallbecompatiblepreblendedpritouse.5.MethodsofSamplingTesting5.1Sampletestthepolymermodifiedasphaltc

12、ementinaccdancewiththefollowingtestmethodspractice:5.1.1Sampling—PracticeD140.5.1.2Peration—TestMethodD5.5.1.3Viscosityat60C(140F)—TestMethodD4957.5.1.4Viscosityat135C(275F)—TestMethodD2170.5.1.5RingBallSofteningPoint—Te

13、stMethodD36.5.1.6FlashPointClevelOpenCup—TestMethodD92.5.1.7RollingThinFilmOvenTest—TestMethodD2872.5.1.8ThinFilmOvenTest—TestMethodD1754.5.1.9Solubility—TestMethodD2042.5.2ElasticRecovery—TestMethodD6084.6.TestMethodsfT

14、ypeIPolymerModifiedAsphaltBinder6.1SummaryofSeparationTest:6.1.1Scope—Theseparationofpolymerasphaltduring1ThisspecificationisunderthejurisdictionofASTMCommitteeD04onRoadPavingMaterialsisthedirectresponsibilityofSubcommit

15、teeD04.45onModifiedAsphaltSpecifications.CurrenteditionapprovedDec.102000.PublishedFebruary2001.iginallypublishedasD5976–96.LastpreviouseditionD5976–96.2AnnualBookofASTMStardsVol04.03.3AnnualBookofASTMStardsVol04.04.4Ann

16、ualBookofASTMStardsVol05.01.5AnnualBookofASTMStardsVol14.02.1Copyright?ASTM100BarrHarbDriveWestConshohockenPA194282959UnitedStates.hotstageisevaluatedbycomparingtheringballsofteningpointofthetopbottomptionstakenfromacond

17、itionedsealedtubeofpolymermodifiedasphalt.Theconditioningconsistsofplacingasealedtubeofpolymermodifiedasphaltinaverticalpositionina16365C(325610F)ovenfa48hperiod.6.1.2ReferencedDocuments—TestMethodD36SpecificationE11.6.1

18、.3Apparatus:6.1.3.1AluminumTubes6—25.4mm(1in.)diameterby139.7mm(5.5in.)lengthblindaluminumtubesusedtoholdthetestsampleduringtheconditioning.6.1.3.2Ovencapableofmaintaining16365C(325610F).6.1.3.3Freezercapableofmaintainin

19、g?6.765C(20610F).6.1.3.4Rackcapableofsupptingthealuminumtubesinaverticalpositionintheovenfreezer.6.1.3.5SpatulaHammer—Thespatulamustberigidsharptoallowcuttingofthetubecontainingthesamplewhenatalowtemperature.6.1.4Procedu

20、re:6.1.4.1Placetheemptytubewiththesealedenddownintherack.6.1.4.2Carefullyheatthesampleuntilsufficientlyfluidtopour.Careshouldbetakentoavoidlocalizedoverheating.StrainthemeltedsamplethroughaNo.50sieveconfmingtoSpecificati

21、onE11.Afterthoughstirringpour50.0gintotheverticallyheldtube.Foldtheexcesstubeovertwotimescrimpseal.6.1.4.3Placetherackcontainingthesealedtubesina16365C(325610F)oven.Allowthetubestostundisturbedintheovenfaperiodof4861h.At

22、theendoftheheatingperiodremovetherackfromtheovenimmediatelyplaceinthefreezerat?6.765C(20610F)takingcaretokeepthetubesinaverticalpositionatalltimes.Leavethetubesinthefreezerfaminimumof4htosolidifythesamplecompletely.6.1.4

23、.4Uponremovingthetubefromthefreezerplacethetubeonaflatsurface.Cutthetubeintothreeequallengthptionswiththespatulahammer.Discardthecenterptionplacethetopbottomptionofthetubeintoseparatebeakers.Placethebeakersina16365C(3256

24、10F)ovenuntilsufficientlyfluidtoremovethepiecesofaluminumtube.6.1.4.5Afterathoughstirringpourthetopbottomsamplesintoappropriatelymarkedringsftheringballsofteningpointtest.PreparetheringsapparatusasdescribedinTestMethodD3

25、6.6.1.4.6Thetopbottomsamplesfromthesametubeshouldbetestedatthesametimeinthesofteningpointtest.6.1.5Rept—ReptthedifferenceinCFofthesofteningpointbetweenthetopbottomptions.6.1.6PrecisionBias—Nostatementismaderegardingeithe

26、rtheprecisionbiasofthistestmethodfmeasuringseparationsincetheresultstatesmerelywhetherthereisconfmancetothecriteriafsuccessspecifiedintheprocedure.7.Keywds7.1asphaltpolymermodifiedasphaltspecificationTheAmericanSocietyfT

27、estingMaterialstakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstard.Usersofthisstardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrightstheriskofinfri

28、ngementofsuchrightsareentirelytheirownresponsibility.Thisstardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteemustbereviewedeveryfiveyearsifnotrevisedeitherreapprovedwithdrawn.Yourcommentsareinvitedeitherfr

29、evisionofthisstardfadditionalstardsshouldbeaddressedtoASTMHeadquarters.Yourcommentswillreceivecarefulconsiderationatameetingoftheresponsibletechnicalcommitteewhichyoumayattend.Ifyoufeelthatyourcommentshavenotreceivedafai

30、rhearingyoushouldmakeyourviewsknowntotheASTMCommitteeonStardsattheaddressshownbelow.ThisstardiscopyrightedbyASTM100BarrHarbDrivePOBoxC700WestConshohockenPA194282959UnitedStates.Individualreprints(singlemultiplecopies)oft

31、hisstardmaybeobtainedbycontactingASTMattheaboveaddressat6108329585(phone)6108329555(fax)(email)throughtheASTMwebsite(www.astm.g).6AluminumtubessuitablefthispurposemaybeobtainedfromRHSpecialty&MachineP.O.Box10187TerreHaut

32、eIN47801(812)232–0781.Observationshavebeenreptedregardingleakageofasphaltfromthebottomofthetubeduringtheconditioningperiod.Othertubesmayberequiredifthisleakageissignificant.TABLE1PhysicalPropertyRequirementsfTypeIPolymer

33、ModifiedAsphaltsDesignationIAIBICIDminmaxminmaxminmaxminmaxPeration25C(77F)100g5sdmm1001507510050754075Viscosity60C(140F)1s?1poiseA1250250050005000Viscosity135C(275F)cSt2000200020005000FlashPointCOCC(F)232(450)232(450)23

34、2(450)232(450)Solubilityintrichloethylene%99999999SeparationdifferenceC(F)2.2(4)2.2(4)2.2(4)2.2(4)TestsonRTFOTResidueBElasticrecovery25C(77F)10cmelongation%60606060Peration4C(39.2F)200g60sdmm20151310ATheabsoluteviscosity

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