1、Designation:D946/D946M20Standard Specification forPenetration-Graded Asphalt Binder for Use in PavementConstruction1This standard is issued under the fixed designation D946/D946M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the ye
2、ar of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers asphalt binder for use in theconstruction of pavements.NOTE1For asphalt binders graded by
3、viscosity at 60 C,seeSpecification D3381/D3381M.For performance-graded asphalt binder,see Specification D6373.1.2 This specification covers the following penetrationgrades:4050,120150,and6070,20030085100,1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as sta
4、ndard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.1.4 This international standard was developed in accor-dance with internationally recogn
5、ized 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:2D5/D5M Test Method for Pen
6、etration of Bituminous Mate-rialsD36/D36M Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Method for Ductility of Asphalt MaterialsD140/D140M Practice for Sampling Asphalt MaterialsD1754/D1754M Test Met
7、hod for Effects of Heat and Air onAsphaltic Materials(Thin-Film Oven Test)D2042 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 Aspha
8、ltBinder for Use in Pavement ConstructionD6373 Specification for Performance Graded AsphaltBinderD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide3.Manufacture3.1 Asphalt binder shall be prepared by the refining of crudepetroleum by suitable methods.4.Properties4.1 The asphalt
9、 binder shall be homogeneous and shall notfoam when heated to 175 C 350 F.4.2 The asphalt binder shall conform to the requirementsgiven in Table 1 or Table 2,as specified by the purchaser.If notable is specified,the default shall be Table 1.Table 2requirements limit the temperature susceptibility of
10、 asphaltover Table 1 requirements.Asphalt binders that meet Table 2requirements will also meet Table 1 requirements of the samegrade.5.Methods of Sampling and Testing5.1 The material shall be sampled and the properties enu-merated in this specification shall be determined in accordancewith the follo
11、wing ASTM methods:5.1.1 SamplingPractice D140/D140M.5.1.2 PenetrationTest Method D5/D5M.5.1.3 Softening PointTest Method D36/D36M.5.1.4 Flash PointTest Method D92.5.1.5 DuctilityTest Method D113.5.1.6 Thin Film Oven TestTest Method D1754/D1754M.5.1.7 Solubility in TrichloroethyleneTest Method D2042.
12、5.1.8 Solubility in N-Propyl BromideTest Method D7553.1This 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 May 1,2020.Published May 2020.Originallyappr
13、oved in 1947.Last previous edition approved in 2015 as D946/D946M 15.DOI:10.1520/D0946_D0946M-20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document S
14、ummary page onthe ASTM website.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 standardization established in the Decision on Principles f
15、or theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.6.Keywords6.1 asphalt binder;pavement;penetrationASTM International takes no position respecting the validity of any patent rights asserted in conn
16、ection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsa
