1、Designation:D662615(Reapproved 2021)Standard Specification forPerformance-Graded Trinidad Lake Modified Asphalt Binder1This standard is issued under the fixed designation D6626;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、 of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers performance-graded TrinidadLake modified asphalt binders.Grading designations are re-lated to
3、 the average seven-day maximum pavement designtemperature,C,theintermediatepavementdesigntemperature,C,and minimum pavement design temperature,C.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
4、was developed in accor-dance with internationally recognized 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
5、 Documents2.1 ASTM Standards:2D8 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 Petroleum Products andBituminous Materials by DistillationD140/D140M Practice for Sampling Asphalt MaterialsD17
6、54/D1754M Test Method for Effects of Heat and Air onAsphaltic Materials(Thin-Film Oven Test)D2170/D2170M Test Method for Kinematic Viscosity ofAsphaltsD2171/D2171M Test Method for Viscosity of Asphalts byVacuum Capillary ViscometerD2872 Test Method for Effect of Heat and Air on a MovingFilm of Aspha
7、lt(Rolling Thin-Film Oven Test)D4402/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
8、of Asphalt Binder Using the Bending BeamRheometer(BBR)D6723 Test Method for Determining the Fracture Propertiesof Asphalt Binder in Direct Tension(DT)(Withdrawn2021)3D7175 Test Method for Determining the Rheological Prop-erties of Asphalt Binder Using a Dynamic Shear Rheom-eterD7553 Test Method for
9、Solubility of Asphalt Materials inN-Propyl Bromide3.Terminology3.1 Definitions:3.1.1 Definitions for many terms common to asphalt cementare found in Terminology D8.4.Ordering Information4.1 When ordering under this specification,include in thepurchase order the grade of Trinidad Lake modified asphal
10、tbinder required from Table 1(for example,TLG 52-16 or TLG64-34).5.Materials and Manufacture5.1 Trinidad Lake modified asphalt binder shall be preparedby the addition of Trinidad Lake asphalt modifier to baseasphalt produced from the refining of petroleum crude,with orwithout the inclusion of organi
11、c or inorganic modifiers.5.2 Modifiers may be any suitable form of Trinidad Lakeasphalt that may include also organic or inorganic modifiers ofsuitable manufacture and preparation,and that is dissolved,dispersed,or reacted in asphalt cement to enhance its perfor-mance.1This specification is under th
12、e jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved May 1,2021.Published May 2021.Originallyapproved 2001.Last previous edition approved in 2015 as D6626 15.DOI:10.1520/D6626-15R21.
13、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 Summary page onthe ASTM website.3The last approved version of this historical standard is referenc
14、ed onwww.astm.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 standardization established in the Decision on Principles for theDevelop
15、ment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1TABLE 1 Performance-Graded Trinidad Lake Modified Asphalt Binder SpecificationPerformance GradeTLG 46-TLG 52-TLG 58-TLG 64-TLG 70-TLG 76-TLG 82-344046101622283
16、44046162228344010162228344010162228344010162228341016222834Average 7-day MaximumPavement DesignTemperature,C46525864707634 40 4610 16 22 2834 40 4616 22 28 344010 16 22 2834 4010 16 22 2834 4010 16 22 283410 16 22 2834Original Modified Asphalt BinderFlash Point Temp,TestMethod D92;min C230Solubility,Test MethodD7553,%7790Viscosity,Test MethodD4402/D4402M:Bmax,3Pas,Test Temp,C135Dynamic Shear,D7175:CG*/sin,min,1.00 kPa TestTemp at 10 rad/s,C46525864707682Rolling Thin Film Oven(Test Method D2872)M
