1、Designation:D1188/D1188M22Standard Test Method forBulk Specific Gravity and Density of Compacted AsphaltMixtures Using Coated Samples1This standard is issued under the fixed designation D1188/D1188M;the number immediately following the designation indicates theyear of original adoption or,in the cas
2、e of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This test me
3、thod covers the determination of bulkspecific gravity of specimens of Parafilm-coated,compactedasphalt mixtures.1.2 This method should be used with samples that containopen or interconnecting voids or absorb more than 2.0%ofwater by volume,or both.NOTE1A method for calculating the percent water abso
4、rbed by thespecimen on a volume basis is described in Test Method D2726/D2726M.1.3 The bulk specific gravity of the compacted asphaltmixtures may be used in calculating the unit weight of themixture.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard
5、.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.1.5 The text of this standard references notes and footnoteswhich provide explanatory materia
6、l.These notes and footnotes(excluding those in tables and figures)shall not be consideredas requirements of the standard.1.6 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-pria
7、te safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopmen
8、t of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D979/D979M Practice for Sampling Bituminous PavingMixturesD1461 Test Method for Moisture or Volatile Distillates inAsphal
9、t MixturesD2726/D2726M Test Method for Bulk Specific Gravity andDensity of Non-Absorptive Compacted Asphalt MixturesD3203/D3203M Test Method for Percent Air Voids in Com-pacted Asphalt MixturesD3666 Specification for Minimum Requirements for Agen-cies Testing and Inspecting Road and Paving Materials
10、D4753 Guide for Evaluating,Selecting,and Specifying Bal-ances and Standard Masses for Use in Soil,Rock,andConstruction Materials TestingD5361/D5361M Practice for Sampling Compacted AsphaltMixtures for Laboratory TestingD7227/D7227M Practice for Rapid Drying of CompactedAsphalt Mixture Specimens Usin
11、g Vacuum Drying Appa-ratusE1 Specification for ASTM Liquid-in-Glass ThermometersE1137/E1137M Specification for Industrial Platinum Resis-tance Thermometers3.Significance and Use3.1 This test method is useful in calculating percent airvoids as given in Test Method D3203/D3203M.Since specificgravity h
12、as no units,it must be converted to density when thistype of measurement is required.This conversion is made bymultiplying the specific gravity at a given temperature by thedensity of water at the same temperature.NOTE2The quality of the results produced by this standard aredependent on the competen
13、ce of the personnel performing the procedureand the capability,calibration,and maintenance of the equipment used.Agencies that meet the criteria of Specification D3666 are generallyconsidered capable of competent and objective testing,sampling,1This test method is under the jurisdiction of ASTM Comm
14、ittee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.21 onSpecific Gravity and Density of Asphalt Mixtures.Current edition approved June 15,2022.Published June 2022.Originallyapproved in 1951.Last previous edition approved in 2015 as D1188 07(2015).DOI:10.1520/D
15、1188_D1188M-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 Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,
16、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 theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1inspection,etc.Users of this standard are cautioned that compliance withSpecification D3666 alone does not completely ensure rel
