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    ASTM D6626-2009 895 Standard Specification for Performance Graded Trinidad Lake Modified Asphalt Binder《分级特立尼达湖地改良沥青性能的标准规范》.pdf

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    ASTM D6626-2009 895 Standard Specification for Performance Graded Trinidad Lake Modified Asphalt Binder《分级特立尼达湖地改良沥青性能的标准规范》.pdf

    1、Designation: D 6626 09Standard Specification forPerformance Graded 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 r

    2、evision. 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 the

    3、 average seven-day maximum pavement designtemperature, C, the intermediate pavement design tempera-ture, 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.2. Referenced Documents2.

    4、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 DistillationD 140 Practice for Sampling Bituminous MaterialsD 1754 Test Metho

    5、d for Effects of Heat and Air on Asphal-tic Materials (Thin-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 M

    6、ethod for Effect of Heat andAir on a MovingFilm of Asphalt (Rolling Thin-Film Oven Test)D 4402 Test Method for Viscosity Determination ofAsphaltat Elevated Temperatures Using a Rotational ViscometerD 6521 Practice for Accelerated Aging of Asphalt BinderUsing a Pressurized Aging Vessel (PAV)D 6648 Te

    7、st Method for Determining the Flexural CreepStiffness of Asphalt Binder Using the Bending BeamRheometer (BBR)D 6723 Test Method for Determining the Fracture Proper-ties of Asphalt Binder in Direct Tension (DT)D 7175 Test Method for Determining the Rheological Prop-erties of Asphalt Binder Using a Dy

    8、namic Shear Rheom-eter3. 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 asphaltbinder required from Tab

    9、le 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 organic or inorganic modifi

    10、ers.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.5.3 The base asphalt binder shall be homogeneous, f

    11、reefrom water and deleterious materials, and shall not foam whenheated to 175 C.5.4 The base asphalt binder shall be at least 99.0 % solublein trichloroethylene as determined by Test Method D 2042.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is

    12、the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved June 15, 2009. Published July 2009. Originallyapproved 2001. Last previous edition approved in 2001 as D 6626 01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Cus

    13、tomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Performance Graded Trinida

    14、d Lake Modified Asphalt Binder SpecificationPerformance Grade TLG 46- TLG 52- TLG 58- TLG 64- TLG 70- TLG 76- TLG 82-34 40 46 10 16 22 28 3440 4616 22 28 34 40 10 16 22 28 34 40 10 16 22 28 344010 16 22 28 34 10 16 22 28 34Average 7-day maximumPavement designTemperature, C-34-40-46 -10-16-22-28-34-4

    15、0-46-16-22-28-34-40-10-16-22-28-34-40-10-16-22-28-34-40-10-16-22-28-34-10-16-22-28-34Original Modified Asphalt BinderFlash Point Temp, TestMethod D92;minC230Solubility, Test MethodD 2042,%7790Viscosity, Test MethodD 4402:Bmax, 3 Pas, TestTemp, C135Dynamic Shear, D 7175:CG*/sind, min, 1.00 kPa TestTe

    16、mp at 10 rad/s, C46 52 58 64 70 76 82Rolling Thin Film Oven (Test Method D 2872)Mass loss, max, percent 1.00Dynamic Shear, D 7175; G*/sind, min, 2.20 kPa TestTemp at 10 rad/s, C46 52 58 64 70 76 82Pressure Aging Vessel Residue (Practice D 6521)PAV Aging Temp, CD90 90 100 100 100 (110) 100 (110) 100

    17、(110)Dynamic Shear, D 7175:G*sind, Maximum, 5000kPaTest Temp at 10rad/s, C10 7 4 25 22 19 1613 10 725 22 19 16 13 31 28 2522 19 1634 31 2825 221937 34 31 28 25 40 37 34 31 28Physical HardeningEReportCreep Stiffness, D 6648:FS,Maximum, 300 MPa m-value,min, 0.300 Test Temp at 60s, C-24 -30 -36 0 -6 -1

    18、2 -18 -24-30 -36-6-12-18-24-30 0-6-12-18-24-300-6-12-18-24-300-6-12-18-24 0-6-12-18-24Direct Tension, D 6723:FFailure Strain, min, 1% 1.0mm/min, C-24 -30 -36 0 -6 -12 -18 -24-30 -36-6-12-18-24-30 0-6-12-18-24-300-6-12-18-24-300-6-12-18-24 0-6-12-18-24APavement temperatures are estimated from air tem

    19、peratures using an algorithm contained in the SUPERPAVE software program, or are provided by the specifying agency.BThis requirement may be waived at the discretion of the specifying agency if the supplier warrants that the asphalt binder can be adequately pumped and mixed at temperatures that meet

    20、all applicable safetystandards.CFor quality control of unmodified asphalt cement production, measurement of the viscosity of the original asphalt cement may be substituted for dynamic shear measurements of G*/sind at test temperatures wherethe asphalt is a Newtonian fluid. Any suitable standard mean

    21、s of viscosity measurement may be used, including capillary or rotational viscometry (Test Method D 2170 or D 2171).DThe PAV Aging temperature is based on simulated climatic conditions and is one of the three temperatures 90C, 100C or 110C. The PAV aging temperature is 100C for TLG 64- and above exc

    22、ept in desert climates,where it is 110C.EPhysical Hardening -D 6648 is performed on a set of asphalt beams according to section 13.1, except the conditioning time is extended to 24-h 6 10 min at 10 C above the minimum performance temperature. The24-h stiffness and m-value are reported for informatio

    23、n purposes only.FIf the Creep stiffness is below 300 MPa, the direct tension test is not required. If the creep stiffness is between 300 and 600 MPa the direct tension failure strain requirement can be used in lieu of the creep stiffnessrequirement. The m-value requirement must be satisfied in both

    24、cases.D66260925.5 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 5.3-5.5 shall be determined inaccordance with Test Methods D92, D95, D 1754, D

    25、 2042,D 2872, D 4402, D 6521, D 6648, D 6723 and D 7175.8. Inspection and Certification8.1 Inspection and certification of the material shall beagreed upon between the purchaser and the seller. Specificrequirements shall be made part of the purchase contract.9. Rejection and Rehearing9.1 If the resu

    26、lts 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 purchaser and the seller.10. Keywords10.1 asphalt binder; asphalt cement; direct tension; flashpoint; gr

    27、aded 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. Users of this standard are expressly advised that determination of the validity of any such patent

    28、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

    29、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 technical committee, which you may attend. If you feel that your comments have not received a fair hear

    30、ing 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).D6626093


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