1、Designation: D6373 15Standard Specification forPerformance Graded Asphalt Binder1This standard is issued under the fixed designation D6373; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in pare
2、ntheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification2covers asphalt binders graded byperformance. Grading designations are related to the averageseven-day maximum pavement design temp
3、erature, and mini-mum pavement design temperature. This specification containsTable 1 and Table 2. Table 2 incorporates Practice D6816 fordetermining the critical low cracking temperature using acombination of Test Method D6648 and Test Method D6723test procedures. If no table is specified, the defa
4、ult is Table 1.NOTE 1For asphalt cements graded by penetration at 25C, seeSpecification D946. For asphalt cements graded by viscosity at 60C seeSpecification D3381.NOTE 2AASHTO R 29 provides non-mandatory information fordetermining the performance grade of an asphalt binder.1.2 The values stated in
5、SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.2. Referenced Documents2.1 ASTM Standards:3D8 Terminology Relating to Materials for Roads and Pave-mentsD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD95 Test Method for Water in
6、 Petroleum Products andBituminous Materials by DistillationD140 Practice for Sampling Bituminous MaterialsD946 Specification for Penetration-Graded Asphalt Cementfor Use in Pavement ConstructionD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2170 Test Method for Kinematic V
7、iscosity of Asphalts(Bitumens)D2171 Test Method for Viscosity of Asphalts by VacuumCapillary ViscometerD2872 Test Method for Effect of Heat and Air on a MovingFilm of Asphalt (Rolling Thin-Film Oven Test)D3381 Specification for Viscosity-Graded Asphalt Cementfor Use in Pavement ConstructionD4402 Tes
8、t Method for Viscosity Determination of Asphaltat Elevated Temperatures Using a Rotational ViscometerD5546 Test Method for Solubility of Asphalt Binders inToluene by CentrifugeD6521 Practice for Accelerated Aging of Asphalt BinderUsing a Pressurized Aging Vessel (PAV)D6648 Test Method for Determinin
9、g the Flexural CreepStiffness of Asphalt Binder Using the Bending BeamRheometer (BBR)D6723 Test Method for Determining the Fracture Propertiesof Asphalt Binder in Direct Tension (DT)D6816 Practice for Determining Low-Temperature Perfor-mance Grade (PG) of Asphalt BindersD7175 Test Method for Determi
10、ning the Rheological Prop-erties of Asphalt Binder Using a Dynamic Shear Rheom-eterD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide2.2 AASHTO Standards:4AASHTO R 29 Grading or Verifying the Performance Gradeof an Asphalt BinderAASHTO M 320 Standard Specification for Performan
11、ce-Graded Asphalt Binder3. Terminology3.1 Definitions:3.1.1 Definitions for many terms common to asphalt binderare found in Terminology Standard D8.3.2 Definitions of Terms Specific to This Standard:3.2.1 asphalt binder, nan asphalt-based cement that isproduced from petroleum residue either with or
12、without theaddition of modifiers.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved Jan. 1, 2015. Published January 2015. Originallyapproved in 1999.
13、 Last previous edition approved in 2013 as D6373 13. DOI:10.1520/D6373-15.2This specification is based on SHRP Product 1001 and AASHTO MP1.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume
14、 information, refer to the standards Document Summary page onthe ASTM website.4Available from American Association of State Highway and TransportationOfficials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,http:/www.transportation.org.Copyright ASTM International, 100 Barr Harbor
15、 Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE1PerformanceGradedAsphaltBinderSpecificationPerformanceGradePG46PG52PG58PG64PG70PG76PG8234404610162228344046162228344010162228344010162228344010162228341016222834Average7-daymaximumPavementDesignTemperature,C344046101622283440
16、46162228344010162228344010162228344010162228341016222834OriginalBinderFlashPointTemp.,D92;minC230Viscosity,D4402:Bmax.3Pas,TestTemp.,C135DynamicShear,D7175:CG*/sin,min.1.00kPa25mmPlate,1mmGapTestTemp.at10rad/s,C46525864707682RollingThinFilmOven(TestMethodD2872)MassChange,max.percent1.00DynamicShear,
17、D7175:G*/sin,min.2.20kPa25mmPlate,1mmGapTestTemp.at10rad/s,C46525864707682PressureAgingVesselResidue(PracticeD6521)PAVAgingTemperature,CD9090100100100(110)100(110)100(110)DynamicShear,D7175:G*sin,max5000kPa8mmPlate,2mmGapTestTemp.at10rad/s,C10742522191613107252219161331282522191634312825221937343128
18、254037343128CreepStiffness,D6648:ES,max300MPa,m-value;min.0.300TestTempat60s,C243036061218243036612182430061218243006121824300612182406121824DirectTension,D6723:EFailureStrain,min.1.0%TestTemp.at1.0mm/min.,C243036061218243036612182430061218243006121824300612182406121824APavementtemperaturesareestima
19、tedfromairtemperaturesusinganalgorithmcontainedintheLTPPBindsoftwareprogram,orareprovidedbythespecifyingagency.BTherefereemethodshallbeD4402usinga#21spindleat20RPM,howeveralternatemethodsmaybeusedforroutinetestingandqualityassurance.IfthebinderistoostifftotestwiththeNo.21Spindle,theNo.27spindleshall
20、beused.Thespindlesizeandshearrateshallbereported.Thisrequirementmaybewaivedatthediscretionofthespecifyingagencyifthesupplierwarrantsthattheasphaltbindercanbeadequatelypumpedandmixedattemperaturesthatmeetallapplicablesafetystandards.CForqualitycontrolofunmodifiedasphaltcementproduction,measurementoft
21、heviscosityoftheoriginalasphaltcementmaybesubstitutedfordynamicshearmeasurementsofG*/sinattesttemperatureswheretheasphaltisaNewtonianfluid.Anysuitablestandardmeansofviscositymeasurementmaybeused,includingcapillaryviscometry(TestMethodsD2170orD2171)orrotationalviscometry.DThePAVagingtemperatureisbase
22、donsimulatedclimaticconditionsandisoneofthreetemperatures90C,100Cor110C.NormallythePAVagingtemperatureis100CforPG58xxandabove.However,indesertclimates,thePAVagingtemperatureforPG70xxandabovemaybespecifiedas110CEIfthecreepstiffnessisbelow300MPa,thedirecttensiontestisnotrequired.Ifthecreepstiffnessisb
23、etween300and600MPathedirecttensionfailurestrainrequirementcanbeusedinlieuofthecreepstiffnessrequirement.Them-valuerequirementmustbesatisfiedinbothcases.Ifthecreepstiffnessandm-valuedataareunobtainablebecausethebinderistoosoftatthetesttemperature,theasphaltbinderwillbedeemedtopassatthatgradetemperatu
24、reifitmeetsthecreepstiffnessandm-valuerequirementsatthetesttemperatureminus6C.D6373 152TABLE2PerformanceGradedAsphaltBinderSpecificationPerformanceGradePG46PG52PG58PG64PG70PG76PG8234404610162228344046162228344010162228344010162228344010162228341016222834Average7-daymaximumPavementDesignTemperature,C
25、34404610162228344046162228344010162228344010162228344010162228341016222834OriginalBinderFlashPointTemp.,D92;minC230Viscosity,D4402:Bmax.3Pas,TestTemp.,C135DynamicShear,D7175:CG*/sin,min.1.00kPa25mmPlate,1mmGapTestTemp.at10rad/s,C46525864707682RollingThinFilmOven(TestMethodD2872)MassChange,max.percen
26、t1.00DynamicShear,D7175:G*/sin,min.2.20kPa25mmPlate,1mmGapTestTemp.at10rad/s,C46525864707682PressureAgingVesselResidue(PracticeD6521)PAVAgingTemperature,CD9090100100100(110)100(110)100(110)DynamicShear,D7175:G*sin,max5000kPa8mmPlate,2mmGapTestTemp.at10rad/s,C10742522191613107252219161331282522191634
27、312825221937343128254037343128CriticalLowCrackingTemperature,D6816,:EPASSTestTempC243036061218243036612182430061218243006121824300612182406121824APavementtemperaturesareestimatedfromairtemperaturesusinganalgorithmcontainedintheLTPPBindsoftwareprogram,orareprovidedbythespecifyingagency.BTherefereemet
28、hodshallbeD4402usinga#21spindleat20RPM,howeveralternatemethodsmaybeusedforroutinetestingandqualityassurance.IfthebinderistoostifftotestwiththeNo.21Spindle,theNo.27spindleshallbeused.Thespindlesizeandshearrateshallbereported.Thisrequirementmaybewaivedatthediscretionofthespecifyingagencyifthesupplierw
29、arrantsthattheasphaltbindercanbeadequatelypumpedandmixedattemperaturesthatmeetallapplicablesafetystandards.CForqualitycontrolofunmodifiedasphaltcementproduction,measurementoftheviscosityoftheoriginalasphaltcementmaybesubstitutedfordynamicshearmeasurementsofG*/sinattesttemperatureswheretheasphaltisaN
30、ewtonianfluid.Anysuitablestandardmeansofviscositymeasurementmaybeused,includingcapillaryviscometry(TestMethodsD2170orD2171)orrotationalviscometry.DThePAVagingtemperatureisbasedonsimulatedclimaticconditionsandisoneofthreetemperatures90C,100Cor110C.NormallythePAVagingtemperatureis100CforPG58xxandabove
31、.However,indesertclimates,thePAVagingtemperatureforPG70xxandabovemaybespecifiedas110CEForverificationofgrade,ataminimumperformD6648atthetesttemperatureandatthetesttemperatureminus6C,andD6723atthetesttemperature.TestingatadditionaltemperaturesforD6648maybenecessaryif300MPaisnotbracketedattheinitialtw
32、otesttemperatures.ComparethefailurestressfromD6723tothecalculatedinducedthermalstressasperD6816.Ifthefailurestressexceedstheinducedthermalstress,theasphaltbinderisdeemeda“PASS”atthespecificationtemperature.Ifthecreepstiffnessandm-valuedataareunobtainablebecausethebinderistoosoftatthetesttemperature,
33、theasphaltbinderwillbedeemedtopassatthatgradetemperatureifitmeetsthecriticallowcrackingtemperaturerequirementsatthetesttemperatureminus6C.D6373 1534. Ordering Information4.1 When ordering under this specification, include in thepurchase order the performance grade (PG) of asphalt binderrequired and
34、the table used (for example, PG 52-16, Table 1 orPG 64-34, Table 2). If no table is specified, the default is Table1.5. Materials and Manufacture5.1 Asphalt binder shall be prepared by the refining of crudepetroleum, from naturally occurring asphalt, or combinationsthereof, by suitable methods, with
35、 or without the addition ofmodifiers.5.2 Modifiers may be any materials of suitable manufacturethat are used in virgin or recycled condition, and that arecapable of being dissolved, dispersed or reacted in asphaltbinder with the objective of improving its performance.NOTE 3This specification is not
36、intended to address the grading ofasphalt binders containing particulate or fibrous materials larger than 250m in size.5.3 The asphalt binder shall be homogeneous, free fromwater and deleterious materials, and shall not foam whenheated to 175C.5.4 The asphalt binder shall be at least 99.0 % soluble,
37、 asdetermined by Test Methods D2042, D7553,orD5546. Anyinsoluble component shall be substantially free of fibers.5.5 The grades of asphalt binder shall conform to therequirements given in Table 1 or Table 2NOTE 4Conformance with all of the parameters of this specification isnot a guarantee that the
38、asphalt concrete mix made from these productswill perform in the field. The end user of asphalt binders should assess thesuitability of the binder to meet the performance requirements of theprojects on which they will be used.6. Sampling6.1 The material shall be sampled in accordance withPractice D1
39、40.7. Test Methods7.1 The properties outlined in 5.3, 5.4 and 5.5 shall bedetermined in accordance with Test Methods D92, D95,D2042, D2872, D4402, D5546, Practice D6521, Test MethodsD6648 and D6723, Practice D6816, and Test Methods D7553or D7175.8. Inspection and Certification8.1 Inspection and cert
40、ification of the material shall beagreed upon between the purchaser and the seller. Specificrequirements shall be made part of the purchase contract. Theseller shall provide material handling and storage proceduresfor each asphalt binder grade certified.NOTE 5A number of relevant research studies ha
41、ve suggested thatlimits for the loss stiffness for the binder, G*sin, in the ASTM andAASHTO PG Binder Specification is, by itself, not a sufficient indicatorof fatigue performance of an asphalt cement, or the asphalt concrete inasphalt pavement structures, or both.9. Rejection and Rehearing9.1 If th
42、e results of any test do not conform to the require-ments of this specification, retesting to determine conformity isperformed as indicated in the purchase order or as otherwiseagreed upon between the purchaser and the seller.10. Keywords10.1 asphalt binder; asphalt cement; direct tension; flashpoin
43、t; modifier; performance specifications; pressure aging;rheologyAPPENDIX(Nonmandatory Information)X1. SUMMARY OF DIFFERENCES BETWEEN SPECIFICATION D6373 AND AASHTO M 32010X1.1 This specification was originally developed under thesponsorship of theAmericanAssociation of State Highway andTransportatio
44、n Officials (AASHTO) as part of the StrategicHighway Research Program (SHRP). ASTMs version of thisspecification (Specification D6373) was modeled after, and issimilar to the comparable AASHTO specification (AASHTOM-320, formerly known as PP 1).X1.1.1 The 2013 revision of the ASTM specification in-c
45、ludes several changes that bring the ASTM and AASHTOstandards into closer alignment. To help the user understand therelationship between these standards, and in the interest ofpromoting further harmonization, the remaining differences aresummarized below. Note that ASTM and AASHTO may useslightly di
46、fferent formats and section numbering, so thissummary is intended for general information only. Pleaseconsult the corresponding ASTM and AASHTO standards todetermine the exact differences.X1.2 Differences in the Scope Section (Section 1 in bothstandards)X1.2.1 The ASTM standard references ASTM test
47、methodwhile the AASHTO standard references AASHTO test meth-ods.X1.3 Differences in the Referenced Documents Section(Section 2 in both standards)X1.3.1 In most cases, theASTM Standard referencesASTMdocuments, while the AASHTO Standard references AASHTOdocuments. The correspondence between the refere
48、nced docu-ments is given in the following table. These differences occurD6373 154in the referenced document section (Section 2), as well aswithin the body of each standard.ASTM AASHTOStandard Standard SubjectD8 . TerminologyD92 T 48 Flash PointD95 T 55 Water ContentD140 T 40 SamplingD946 M 20 Penetration Graded SpecificationD2042 T 44 Solubility in TrichloroethyleneD2170 T 201 Kinematic ViscosityD2171 T 202 Absolute VIscosityD2872 T 240 Rolling Thin Film Oven TestD3381 M 226 Viscosity Graded SpecificationD4402 T 316 Rotational ViscosityD5546 Solubility by CentrifugeD6373
