1、Designation:D637321aStandard 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 parenthes
2、es 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 LTPP-Bind calculated maximum pavement design temperatur
3、e andthe minimum pavement design temperature.This specificationcontains Tables 1 and 2.Table 2 incorporates Practice D6816for determining the critical low cracking temperature using acombination of Test Method D6648 and Test Method D6723test procedures.If no table is specified,the default is Table 1
4、.NOTE1For more information on LTPPBind online,see https:/infopave.fhwa.dot.gov/Tools/LTPPBindOnline accessed June 10,2020.NOTE2For asphalt cements graded by penetration at 25 C,seeSpecification D946/D946M.For asphalt cements graded by viscosity at60 C,see Specification D3381/D3381M.NOTE3AASHTO R 29
5、provides non-mandatory information fordetermining the performance grade of an asphalt binder.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This international standard was developed in accor-dance with internationally re
6、cognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D8 Terminology Relatin
7、g to Materials for Roads and Pave-mentsD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD140/D140M Practice for Sampling Asphalt MaterialsD946/D946M Specification for Penetration-Graded Asphalt
8、Binder for Use in Pavement ConstructionD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2872 Test Method for Effect of Heat and Air on a MovingFilm of Asphalt(Rolling Thin-Film Oven Test)D3381/D3381M Specification for Viscosity-Graded AsphaltBinder for Use in Pavement Constr
9、uctionD4402/D4402M Test Method for Viscosity Determination ofAsphalt at Elevated Temperatures Using a RotationalViscometerD6521 Practice for Accelerated Aging of Asphalt BinderUsing a Pressurized Aging Vessel(PAV)D6648 Test Method for Determining the Flexural CreepStiffness of Asphalt Binder Using t
10、he Bending BeamRheometer(BBR)D6723 Test Method for Determining the Fracture Propertiesof Asphalt Binder in Direct Tension(DT)(Withdrawn2021)4D6816 Practice for Determining Low-Temperature Perfor-mance Grade(PG)of Asphalt BindersD7175 Test Method for Determining the Rheological Prop-erties of Asphalt
11、 Binder Using a Dynamic Shear Rheom-eterD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide2.2 AASHTO Standards:5AASHTO R 29 Grading or Verifying the Performance Gradeof an Asphalt BinderAASHTO M 320 Standard Specification for Performance-Graded Asphalt Binder3.Terminology3.1 De
12、finitions:3.1.1 Definitions for many terms common to asphalt binderare found in Terminology D8.1This 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 Jun
13、e 15,2021.Published July 2021.Originallyapproved in 1999.Last previous edition approved in 2021 as D6373 21.DOI:10.1520/D6373-21A.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 ser
14、viceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.5Available from American Association of State Highway and TransportationOfficials(AASHT
15、O),444 N.Capitol St.,NW,Suite 249,Washington,DC 20001,http:/www.transportation.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standar
16、dization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.14.Ordering Information4.1 When ordering under this specification,include in thepurchase order the performance grade(PG)of asphalt binderrequired and the table used(for example,PG 52-16,Table 1 orPG 64-34,Table 2).If no table is specified,the default is Table1.NOTE4Agencies may elect to specify