1、Designation:D803816(Reapproved 2022)1Standard Practice forReclamation of Recycled Aggregate Base(RAB)Material1This standard is issued under the fixed designation D8038;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last
2、revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEReapproved with editorial changes in June 2022.1.Scope1.1 This practice covers selected aspects for reclamation ofrecycled aggregate b
3、ase(RAB)material derived from asphaltpavement or concrete.RAB may be called recycled asphaltpavement(RAP)or recycled concrete aggregate(RCA).1.2 This practice is provided related to material quality,material quality control testing,and also operator and facilityqualifications.1.3 UnitsThe values sta
4、ted in SI units are to be regardedas the standard.No other units of measurement are included inthis standard.NOTE1Sieve size is identified by its standard designation in Speci-fication E11.The alternative designation given in parentheses is forinformation only and does not represent a different stan
5、dard sieve size.1.4 This practice offers a set of instructions for performingone or more specific operations.This document cannot replaceeducation or experience and should be used in conjunction withprofessional judgment.Not all aspects of this practice may beapplicable in all circumstances.This AST
6、M standard is notintended to represent or replace the standard of care by whichthe adequacy of a given professional service must be judged,nor should this document be applied without consideration ofa projects many unique aspects.The word“Standard”in thetitle means only that the document has been ap
7、proved throughthe ASTM consensus process.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
8、 regulatory limitations prior 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 Tra
9、de Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:C117 Test Method for Materials Finer than 75-m(No.200)Sieve in Mineral Aggregates by WashingC131/C131M Test Method for Resistance to Degradation ofSmall-Size Coarse Aggregate by Abrasion and Impact inth
10、e Los Angeles MachineC136/C136M Test Method for Sieve Analysis of Fine andCoarse AggregatesC535 Test Method for Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the LosAngeles MachineC702/C702M Practice for Reducing Samples of Aggregateto Testing SizeD8 Terminology
11、Relating to Materials for Roads and Pave-mentsD653 Terminology Relating to Soil,Rock,and ContainedFluidsD75/D75M Practice for Sampling AggregatesD2940/D2940M Specification for Graded Aggregate Mate-rial for Bases or Subbases for Highways or AirportsD6307 Test Method for Asphalt Content of Asphalt Mi
12、xtureby Ignition MethodD6928 Test Method for Resistance of Coarse Aggregate toDegradation by Abrasion in the Micro-Deval ApparatusE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Terminology3.1 Definitions:3.1.1 For definitions of common technical terms in thisstandard,refer to Term
13、inology D653 and D8.3.2 Definitions of Terms Specific to This Standard:3.2.1 asphalt/concrete recycling facility(facility),nthephysical plant(or plants)where disposed asphalt and concreteare received,processed,tested,and stockpiled.This mayinclude material handling operations.3.2.2 asphalt/concrete
14、recycling operator(operator),nthecompany or companies that receive disposed asphalt and1This test method is under the jurisdiction ofASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.14 on Geotechnics ofSustainable Construction.Current edition approved June 1,20
15、22.Published June 2022.Originallyapproved in 2016.Last previous edition approved in 2016 as D8038 16.DOI:10.1520/D8038-16R22E01Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with inte
16、rnationally 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.1concrete material and transform these materials into a finishedrecycled aggregate product.3.2.3 recycled aggregate base(RAB),naggregate derivedfrom processed/crushed asphalt or concrete pavement or struc-tural concrete.4.Significance and Use4.1 Use o
