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ASTM_D_8292_-_20.pdf

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1、Designation:D829220Standard Test Method forPermanent Deformation Behavior and Rutting Resistance ofCompacted Asphalt Mix in the Modified Loaded WheelTracker Test Utilizing Controlled Confining Pressure1This standard is issued under the fixed designation D8292;the number immediately following the des

2、ignation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.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 test method describes a procedu

3、re for testingpermanent deformation behavior and rutting resistance ofcompacted asphalt mixtures using a modified version of aloaded wheel tracker device2utilizing controlled confiningpressure.The test specimen is tested either dry or moistureconditioned.A laboratory roller compactor or its equivale

4、nt isused to prepare test slabs of 305 mm by 305 mm 12 in.by12 in.and thickness 50 mm,75 mm,or 100 mm 2 in.,3 in.,or 4 in.depending on the nominal maximum aggregate size.The thickness of the specimen must be at least two and halftimes the nominal maximum aggregate size.Alternatively,saw-cut slab spe

5、cimens with dimensions 305 mm by 305 mm12 in.by 12 in.and thickness 50 mm to 100 mm 2 in.to4 in.may be secured from the field.1.2 UnitsThe values 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;there

6、fore,each system shall be used independently of the other.Combining values from the two systems may result in noncon-formance with the standard.1.3 The text of this standard references notes and footnoteswhich provide explanatory material.These notes and footnotes(excluding those in tables and figur

7、es)shall not be consideredas requirements of the standard.1.4 Since a precision estimate for this standard has not beenfully developed,the test method is to be used for research andinformational purposes only.Therefore,this standard shouldnot be used for acceptance or rejection of a material forpurc

8、hasing purposes.1.5 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 applicability of regulatory limitations p

9、rior to use.1.6 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 by the World Trade Organization Technical

10、Barriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D8 Terminology Relating to Materials for Roads and Pave-mentsD2041/D2041M Test Method for Theoretical MaximumSpecific Gravity and Density of Asphalt MixturesD2493/D2493M Practice for Viscosity-Temperature Chartfor Asphalt Bind

11、ersD2726/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 MaterialsD5361/D

12、5361M Practice for Sampling Compacted AsphaltMixtures for Laboratory TestingD6027/D6027M Practice for Calibrating Linear Displace-ment Transducers for Geotechnical PurposesD6857/D6857M Test Method for Maximum Specific Grav-ity and Density of Asphalt Mixtures Using AutomaticVacuum Sealing MethodD8079

13、 Practice for Preparation of Compacted Slab AsphaltMix Samples Using a Segmented Rolling CompactorE1 Specification for ASTM Liquid-in-Glass Thermometers1This test method is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.2

14、0 onMechanical Tests of Asphalt Mixtures.Current edition approved Feb.1,2020.Published February 2020.DOI:10.1520/D8292-20.2The modified wheel tracker is covered by a patent.Interested parties are invitedto submit information regarding the identification of an alternative(s)to thispatented item to th

15、eASTM International Headquarters.Your comments will receivecareful consideration at a meeting of the responsible technical committee,1whichyou may attend.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStand

16、ards volume information,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)

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