1、Designation:D3549/D3549M18Standard Test Method forThickness or Height of Compacted Asphalt MixtureSpecimens1This standard is issued under the fixed designation D3549/D3549M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of
2、last revision.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 test method covers determination of the thickness(or height)of compacted asphalt mixture specimens.1.2 UnitsThe values
3、 stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining values from the two systems may result in noncon-formance with the standard.1
4、.2.1 Section 7.4 specifies SI units because they are theunits used in the equations for Test Methods D1188 andD2726.Performing calculations without first converting anymeasurements made in inch-pound units to SI units in 7.4 willresult in nonconformance with the standard.1.3 This standard does not p
5、urport 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 applicability of regulatory limitations prior to use.1.4 This international standard
6、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 by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced
7、 Documents2.1 ASTM Standards:2D8 Terminology Relating to Materials for Roads and Pave-mentsD1188 Test Method for Bulk Specific Gravity and Density ofCompacted Bituminous Mixtures Using Coated SamplesD2726 Test Method for Bulk Specific Gravity and Densityof Non-Absorptive Compacted Asphalt MixturesD3
8、666 Specification for Minimum Requirements for Agen-cies Testing and Inspecting Road and Paving MaterialsD5361/D5361M Practice for Sampling Compacted AsphaltMixtures for Laboratory Testing3.Terminology3.1 DefinitionsFor definitions of terms used in thisstandard,refer to Terminology D8.4.Significance
9、 and Use4.1 The thickness of a compacted asphalt mixture is oftenused as a construction check to ensure that the proper quantityof materials has been placed on a project,and to correctstrength measurement on constant diameter specimens withvarying heights.NOTE1The text of this test method references
10、 notes and footnoteswhich provide explanatory material.These notes and footnotes(excludingthose in tables and figures)shall not be considered as requirements of thetest method.NOTE2The quality of the results produced by this standard aredependent on the competence of the personnel performing the pro
11、cedureand 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,inspection,etc.Users of this standard are cautioned that compliance withSpecification D3666 al
12、one does not completely ensure reliable results.Reliable results depend on many factors;following the suggestions ofSpecification D3666 or some similar acceptable guideline provides ameans of evaluating and controlling some of those factors.5.Apparatus5.1 Any of the following apparatus may be used t
13、o measurethe dimensions of test specimens to the nearest 1 mm(116in.):NOTE3The specifying agency may establish alternate unit require-ments for measurement.5.1.1 A metal tape or rule.5.1.2 A set of calipers.5.1.3 A measurement jig or other device,fabricated in sucha manner that it is capable of meas
14、uring specimen thicknessesin accordance with this procedure.1This test method is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.21 onSpecific Gravity and Density of Asphalt Mixtures.Current edition approved Dec.15,2018.Pu
15、blished December 2018.Originallyapproved in 1977.Last previous edition approved in 2017 as D3549/D3549M 17.DOI:10.1520/D3549_D3459M-18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informa
16、tion,refer to the standards Document Summary 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 theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 6.Test
