1、Designation: D 6626 01Standard Specification forGraded Trinidad Lake Modified Asphalt Binder1This standard is issued under the fixed designation D 6626; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A n
2、umber in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers graded Trinidad Lake modifiedasphalt binders. Grading designations are related to the averageseven-day maximu
3、m pavement design temperature, C, theintermediate pavement design temperature, C, and minimumpavement design temperature, C.NOTE 1For asphalt cements graded by penetration at 25 C, seeSpecification D 946. For asphalt cements graded by viscosity at 60 C, seeSpecification D 3381.NOTE 2AASHTO Guide PP5
4、 provides information on the evaluationof modified asphalt binders.1.2 The values stated in SI units are to be regarded asstandard.2. Referenced Documents2.1 ASTM Standards:2D8 Terminology Relating to the Materials for Roads andPavementsD92 Test Method for Flash and Fire Points by ClevelandOpen CupD
5、95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD 140 Practice for Sampling Bituminous MaterialsD 946 Specification for Penetration-Graded Asphalt Ce-ment for Use in Pavement ConstructionD 1754 Test Method for Effects of Heat and Air on Asphal-tic Materials (Thi
6、n-Film Oven Test)D 2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD 2170 Test Method for Kinematic Viscosity of Asphalts(Bitumens)D 2171 Test Method for Viscosity of Asphalts by VacuumCapillary ViscometerD 2872 Test Method for Effect of Heat andAir on a MovingFilm of Asphalt
7、 (Rolling Thin-Film Oven Test)D 3381 Specification for ViscosityGraded Asphalt Ce-ment for Use in Pavement ConstructionD 4402 Test Method for Viscosity Determinations of Un-filled Asphalts Using the Brookfield Thermosel ApparatusD 6521 Standard Practice for Accelerated Aging of AsphaltBinder Using a
8、 Pressurized Aging Vessel (PAV)P 245 Proposed Test Method for Determining the FlexuralCreep Stiffness ofAsphalt Binder Using the Bending BeamRheometer (BBR)3P 246 Proposed Test Method for Determining the Rheologi-cal Properties of Asphalt Binder for Specification PurposesUsing a Dynamic Shear Rheome
9、ter (DSR)3P 252 Proposed Test Method for Determining the FractureProperties of Asphalt Binder in Direct Tension (DT)32.2 AASHTO Standards:PP5 Guide for the Laboratory Evaluation of Modified As-phalt Systems43. Terminology3.1 Definitions:3.1.1 Definitions for many terms common to asphalt cementare fo
10、und in Terminology D8.4. Ordering Information4.1 When ordering under this specification, include in thepurchase order the grade of Trinidad Lake modified asphaltbinder required from Table 1 (for example, TLG 52-16 or TLG64-34).5. Materials and Manufacture5.1 Trinidad Lake modified asphalt binder sha
11、ll be preparedby the addition of Trinidad Lake Asphalt modifier to baseasphalt produced from the refining of petroleum crude, with orwithout the inclusion of organic or inorganic modifiers.5.2 Modifiers may be any suitable form of Trinidad LakeAsphalt that may include also organic or inorganic modif
12、iers ofsuitable manufacture and preparation, and that is dissolved,dispersed or reacted in asphalt cement to enhance its perfor-mance.5.3 The base asphalt binder shall be homogeneous, freefrom water and deleterious materials, and shall not foam whenheated to 175 C.1This specification is under the ju
13、risdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved April 10, 2001. Published April 2001.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Se
14、rvice at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from the American Association of State Highway and TransportationOfficials, 444 N. Capitol St. NW., Washington, DC 20001.1Copyright AST
15、M International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE1GradedTrinidadLakeModifiedAsphaltBinderSpecificationPerformanceGradeTLG46-TLG52-TLG58-TLG64-TLG70-TLG76-TLG82-34404610162228344046162228344010162228344010162228344010162228341016222834Average7-
16、daymaximumPavementdesignTemperature,C-34-40-46-10-16-22-28-34-40-46-16-22-28-34-40-10-16-22-28-34-40-10-16-22-28-34-40-10-16-22-28-34-10-16-22-28-34OriginalModifiedAsphaltBinderFlashPointTemp,TestMethodD92;minC230Solubility,TestMethodD2042,%7790Viscosity,TestMethodD4402:Bmax,3Pas,TestTemp,C135Dynami
17、cShear,P246:CG*/sind,min,1.00kPaTestTempat10rad/s,C46525864707682RollingThinFilmOven(TestMethodD2872)Massloss,max,percent1.00DynamicShear,P246;G*/sind,min,2.20kPaTestTempat10rad/s,C46525864707682PressureAgingVesselResidue(PracticeD6521)PAVAgingTemp,CD9090100100100(110)100(110)100(110)DynamicShear,P2
18、46:G*sind,Maximum,5000kPaTestTempat10rad/s,C10742522191613107252219161331282522191634312825221937343128254037343128PhysicalHardeningEReportCreepStiffness,P245:FS,Maximum,300mPam-value,min,0.300TestTempat60s,C-24-30-360-6-12-18-24-30-36-6-12-18-24-300-6-12-18-24-300-6-12-18-24-300-6-12-18-240-6-12-18
19、24DirectTension,P252:FFailureStrain,min,1%1.0mm/min,C-24-30-360-6-12-18-24-30-36-6-12-18-24-300-6-12-18-24-300-6-12-18-24-300-6-12-18-240-6-12-18-24APavementtemperaturesareestimatedfromairtemperaturesusinganalgorithmcontainedintheSUPERPAVEsoftwareprogram,orareprovidedbythespecifyingagency.BThisrequ
20、irementmaybewaivedatthediscretionofthespecifyingagencyifthesupplierwarrantsthattheasphaltbindercanbeadequatelypumpedandmixedattemperaturesthatmeetallapplicablesafetystandards.CForqualitycontrolofunmodifiedasphaltcementproduction,measurementoftheviscosityoftheoriginalasphaltcementmaybesubstitutedford
21、ynamicshearmeasurementsofG*/sindattesttemperatureswheretheasphaltisaNewtonianfluid.Anysuitablestandardmeansofviscositymeasurementmaybeused,includingcapillaryorrotationalviscometry(TestMethodD2170orD2171).DThePAVAgingtemperatureisbasedonsimulatedclimaticconditionsandisoneofthethreetemperatures90C,100
22、Cor110C.ThePAVagingtemperatureis100CforTLG64-andaboveexceptindesertclimates,whereitis110C.EPhysicalHardening-P245isperformedonasetofasphaltbeamsaccordingtosection13.1,excepttheconditioningtimeisextendedto24-h610minat10Cabovetheminimumperformancetemperature.The24-hstiffnessandm-valuearereportedforinf
23、ormationpurposesonly.FIftheCreepstiffnessisbelow300Mpa,thedirecttensiontestisnotrequired.Ifthecreepstiffnessisbetween300and600Mpathedirecttensionfailurestrainrequirementcanbeusedinlieuofthecreepstiffnessrequirement.Them-valuerequirementmustbesatisfiedinbothcases.D66260125.4 The base asphalt binder s
24、hall be at least 99.0 % solublein trichloroethylene as determined by Test Method D 2042.5.5 The grades of asphalt binder shall conform to therequirements given in Table 1.6. Sampling6.1 The materials shall be sampled in accordance withPractice D 140.7. Test Methods7.1 The properties outlined in 5.3-
25、5.5 shall be determined inaccordance with Test Methods D92, D95, D 1754, D 2042,D 2872, D 4402, D 6521, and Proposed Test Methods P 245,P 246, and P 252.8. Inspection and Certification8.1 Inspection and certification of the material shall beagreed upon between the purchaser and the seller. Specificr
26、equirements shall be made part of the purchase contract.9. Rejection and Rehearing9.1 If the results of any test do not conform to the require-ments of this specification, re-testing to determine conformityis performed as indicated in the purchase order or as otherwiseagreed upon between the purchas
27、er and the seller.10. Keywords10.1 asphalt binder; asphalt cement; direct tension; flashpoint; graded specifications; modifier; pressure aging; rheologyASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Us
28、ers 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 ever
29、y five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible techni
30、cal committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D6626013
