1、Designation:D2028/D2028M15Standard Specification forCutback Asphalt(Rapid-Curing Type)1This standard is issued under the fixed designation D2028/D2028M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A numbe
2、r in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers cutback petroleum asphalts ofthe rapid-curing type for use in the construction and treatmentof pavements.1.2 The value
3、s stated in either SI units or inch-pound unitsare to be regarded separately as standard.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 non-conformancewith the standard.2.Re
4、ferenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD113 Test Method for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD402 Test Method for
5、 Distillation of Cutback AsphaltD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD2170 Test Method for Kinematic Viscosity of Asphalts(Bitumens)D2171 Test Method for Viscosity of Asphalts by VacuumCapillary ViscometerD3143 Test Method for Flash Point of Cutback Asphalt withTa
6、g Open-Cup ApparatusD7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide3.Properties3.1 The cutback asphalt shall not foam when heated toapplication temperature and shall conform to the requirementsprescribed in Table 1.4.Test Methods4.1 The material shall be sampled in accordanc
7、e withPractice D140,and the properties enumerated in this specifi-cation shall be determined in accordance with the followingASTM methods:4.1.1 Flash Point(Tag Open-Cup)Test Method D3143.4.1.2 Viscosity,KinematicTest Method D2170.4.1.3 Viscosity,at 60C 140FTest Method D2171.4.1.4 DistillationTest Me
8、thod D402.NOTE1If a 100-mL graduate does not permit sufficiently closereadings to determine conformity to these specifications with the desiredaccuracy,receivers graduated in 0.1-mL divisions shall be used.4.1.5 PenetrationTest Method D5.4.1.6 DuctilityTest Method D113.4.1.7 Solubility in Trichloroe
9、thylene or N-Propyl BromideTest Method D2042/D7553.4.1.8 WaterTest Method D95.1This 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
10、 January 2015.Originallyapproved in 1963.Last previous edition approved in 2010 as D2028/D2028M 10.DOI:10.1520/D2028_D2028M-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,ref
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16、he standard may also be secured from the Copyright Clearance Center,222Rosewood Drive,Danvers,MA 01923,Tel:(978)646-2600;http:/ 1 Requirements for Cutback Asphalt(Rapid-Curing Type)NOTE1If the ductility at 25C 77F is less than 100,the material will be acceptable if its ductility at 15C 59F is more than 100.DesignationRC-70RC-250RC-800RC-3000MinMaxMinMaxMinMaxMinMaxKinematic viscosity at 60C 140F,mm2s70140250500800160030006000Flash point(Tag open-cup),C F.2780.2780.2780.Distillation test:Distilla