1、Designation: D5710 05D5710/D5710M 13Standard Specification forTrinidad Lake Modified Asphalt1This standard is issued under the fixed designation D5710;D5710/D5710M; the number immediately following the designation indicatesthe year of original adoption or, in the case of revision, the year of last r
2、evision. A number 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 Trinidad lake modified asphalt for use in the construction of pavements.1.2 This specification cov
3、ers the following penetration grades:COLSPEC/colnum=“1“ 40556075801001201501.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the o
4、ther. Combining values from thetwo systems may result in non-conformance with the standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practi
5、ces and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD92 Test Method for Flash and Fire Points by Cleveland Open Cup TesterD113 Test Method for Ductility of Bituminous MaterialsD140
6、Practice for Sampling Bituminous MaterialsD482 Test Method for Ash from Petroleum ProductsD1754 Test Method for Effects of Heat and Air on Asphaltic Materials (Thin-Film Oven Test)D1856 Test Method for Recovery of Asphalt From Solution by Abson MethodD2042 Test Method for Solubility of Asphalt Mater
7、ials in TrichloroethyleneD2170 Test Method for Kinematic Viscosity of Asphalts (Bitumens)D2172 Test Methods for Quantitative Extraction of Bitumen From Bituminous Paving Mixtures3. Manufacture3.1 Trinidad lake modified asphalt shall be prepared by blending naturally occurring Trinidad lakeLake aspha
8、lt (TLA) (20 to50 %) with asphalt cement obtained by the refining of crude petroleum by methods suitable to produce a homogeneous finalproduct. The percentage TLA in the blend mustshall be clearly stated by the supplier. Fillers other than those from TLA will notbe allowed in the asphalt cement blen
9、d.4. Properties4.1 The blended Trinidad lakeLake modified asphalt shall be homogeneous as determined by appropriate sampling and testing.4.2 The various grades of Trinidad lakeLake modified asphalt shall conform to the requirements prescribed in Table 1.1 This specification is under the jurisdiction
10、 of ASTM Committee D04 on Road and Paving Materials and is under the direct responsibility of Subcommittee D04.40 onAsphalt Specifications.Current edition approved June 1, 2005June 1, 2013. Published July 2005July 2013. Originally approved in 1995. Last previous edition approved in 20032005 asD5710
11、03.D5710 05. DOI: 10.1520/D5710-05.10.1520/D5710_D5710M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.Th
12、is document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editi
13、ons as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15. Sampling and Testing5.1 The material shall be s
14、ampled and the properties enumerated in this specification shall be determined in accordance withthe following ASTM International standards:NOTE 1Local agencies will determine sampling and testing procedures before a contract is awarded. Methods that have been used include samplingat various levels
15、from storage tanks or transports followed by penetration testing or spectroscopic examination of these samples.5.1.1 SamplingPractice D140.5.1.2 PenetrationTest Method D5.5.1.3 Flash PointTest Method D92.5.1.4 Thin-Film Oven TestTest Method D1754.5.1.5 Solubility in TrichloroethyleneTest Method D204
16、2.5.1.6 DuctilityTest Method D113.5.1.7 Inorganic Material (Ash)Test Method D482.5.1.8 Quantitative Extraction of Bitumen from Bituminous Paving MixturesTest Method D2172.5.1.9 Recovery of Asphalt from Solution by Abson MethodTest Method D1856.5.1.10 Kinematic Viscosity of AsphaltTest Method D2170.6
17、. Keywords6.1 pavement construction; Trinidad Lake modified asphaltAPPENDIX(Nonmandatory Information)X1. CORRECTION TO MIX FINES TO COMPENSATE FOR FINES IN TRINIDAD LAKE ASPHALTX1.1 Since Trinidad Lake Asphaltasphalt contains some fines, it may be desirable to make a correction to the minus No. 200
18、(75m)75 m No. 200 fines in the mix to compensate. A formula used by the Utah DOT has been developed based on 36 percent%mineral matter with 91.2 percent% passing the No. 200 (75 m)75 m No. 200 and is included for information.Fines Correction532.83 x PB! x PT! (X1.1)where:P(B) = Percent binder in tot
19、al mix expressed as a decimal, andTABLE 1 Requirements for Trinidad Lake Modified Asphalt for Use in Pavement ConstructionPenetration Grademin max min max min max min maxPenetration at 77F (25C), 100 g, 5 s 40 55 60 75 80 100 120 150Kinematic viscosity at 275F (135C), cst 385 275 215 175 Ductility a
20、t 77F (25C), 5 cm/min, cm 100 100 100 100 Flash point, F 450 450 450 450 Solubility in trichloroethylene,%A 77 90 77 90 77 90 77 90Retained penetration after thin-film oven test,% 55 52 47 42 Ductility at 77F (25C), 5 cm/min, cm, after Thin-Film Oven Test 50 50 75 100 Inorganic matter (ash),% 7.5 19
21、.0 7.5 19.0 7.5 19.0 7.5 19.0TABLE 1 Requirements for Trinidad Lake Modified Asphalt for Use in Pavement ConstructionPenetration Grademin max min max min max min maxPenetration at 25C 77F, 100 g, 5 s 40 55 60 75 80 100 120 150Kinematic viscosity at 135C 275F, cst 385 275 215 175 Ductility at 25C 77F
22、, 5 cm/min, cm 100 100 100 100 Flash point, C F 232450 232450 232450 232450Solubility in trichloroethylene,%A 77 90 77 90 77 90 77 90Retained penetration after thin-film oven test, % 55 52 47 42 Ductility at 25C 77F, 5 cm/min, cm, after Thin-FilmOven Test50 50 75 100 Inorganic matter (ash), % 7.5 19
23、.0 7.5 19.0 7.5 19.0 7.5 19.0A Solubility requirements to be established by the user, within this range, from targeted percentage of TLA in blend.D5710/D5710M 132P(T) = Percent Trinidad Lake Asphalt in total binder expressed as a decimal.P(B) = Percent binder in total mix expressed as a decimal andP
24、(T) = Percent Trinidad Lake asphalt in total binder expressed as a decimal.Example:If a mix contains 5.8 percent binder by weight of mix and the total binder consists of 25 percent Trinidad Lake Asphalt:Fine contributed by Trinidad Lake Asphalt = 32.83(0.058)(0.25) = 0.48 percent.X1.1.1 ExampleIf a
25、mix contains 5.8 % binder by weight of mix and the total binder consists of 25 % Trinidad Lake asphalt:Fine contributed by Trinidad Lake Asphalt = 32.83(0.058)(0.25) = 0.48 %ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mention
26、edin 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
27、 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 standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of
28、theresponsible technical 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 C
29、700, 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D5710/D5710M 133
