1、Designation:D5710/D5710M22Standard Specification forTrinidad Lake Modified Asphalt1This standard is issued under the fixed designation D5710/D5710M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in
2、 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 as-phalt for use in the construction of pavements.1.2 This specification covers the following penet
3、rationgrades:40556075801001201501.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system are not necessarily exact equivalents;therefore,toensure conformance with the standard,each system shall beused independently of the o
4、ther,and values from the twosystems shall not be combined.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the
5、 applicability of regulatory limitations prior to use.1.5 This international standard 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
6、 by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D5/D5M Test Method for Penetration of Bituminous Mate-rialsD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Method for Ductility of Asphalt MaterialsD140/
7、D140M Practice for Sampling Asphalt MaterialsD1754/D1754M Test Method for Effects of Heat and Air onAsphaltic Materials(Thin-Film Oven Test)D1856 Test Method for Recovery of Asphalt from Solutionby Abson MethodD2170/D2170M Test Method for Kinematic Viscosity ofAsphaltsD2172/D2172M Test Methods for Q
8、uantitative Extraction ofAsphalt Binder from Asphalt MixturesD2415 Test Method for Ash in Coal Tar and PitchD2872 Test Method for Effect of Heat and Air on a MovingFilm of Asphalt(Rolling Thin-Film Oven Test)D7553 Test Method for Solubility of Asphalt Materials inN-Propyl Bromide3.Manufacture3.1 Tri
9、nidad Lake modified asphalt shall be prepared byblending naturally occurring Trinidad Lake asphalt(TLA)(20to 50%)with asphalt cement obtained by the refining of crudepetroleum by methods suitable to produce a homogeneous finalproduct.The percentage of TLA in the blend shall be clearlystated by the s
10、upplier.Fillers other than those from TLA willnot be allowed in the asphalt cement blend.4.Properties4.1 The blended Trinidad Lake modified asphalt shall behomogeneous as determined by appropriate sampling andtesting.4.2 The various grades of Trinidad Lake modified asphaltshall conform to the requir
11、ements prescribed in Table 1.5.Sampling and Testing5.1 The material shall be sampled and the properties enu-merated in this specification shall be determined in accordancewith the following ASTM International standards:NOTE1Local agencies will determine sampling and testing proce-dures before a cont
12、ract is awarded.Methods that have been used includesampling at various levels from storage tanks or transports followed bypenetration testing or spectroscopic examination of these samples.5.1.1 SamplingPractice D140/D140M.5.1.2 PenetrationTest Method D5/D5M.5.1.3 Flash PointTest Method D92.5.1.4 Thi
13、n-Film Oven TestTest Method D1754/D1754M.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is under the direct responsibility of Subcommittee D04.40on Asphalt Specifications.Current edition approved May 1,2022.Published May 2022.Originallyapproved in
14、 1995.Last previous edition approved in 2021 as D5710/D5710M 21.DOI:10.1520/D5710_D5710M-22.2For 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 Summar
15、y page onthe ASTM website.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 th
16、eDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.15.1.5 Solubility in N-Propyl BromideTest Method D7553.5.1.6 DuctilityTest Method D113.5.1.7 Inorganic Material(Ash)Test Method D2415.5.1.8 Quantitative Extraction of Bitumen from BituminousPaving MixturesTest Method D2172/D2172M.5.1.9 Recovery of Asphalt from Solution by Abson MethodTest Method D1856.5.1.10 Kinematic Viscosity of AsphaltTest Method