1、Designation:D692/D692M20Standard Specification forCoarse Aggregate for Asphalt Paving Mixtures1This standard is issued under the fixed designation D692/D692M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A
2、 number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers crushed stone,crushedhydraulic-cement concrete,crushed blast-furnace slag,crushedgravel,crushed expanded shale,
3、crushed expanded clay,andcrushed expanded slate suitable for use in asphalt pavingmixtures,as described in Specification D3515 or D4215.NOTE1Other slags having demonstrated a satisfactory service recordmay be used.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separat
4、ely as standard.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.1.3 The text of this standard references notes and footnoteswhich provide expl
5、anatory material.These notes and footnotes(excluding those in tables and figures)shall not be consideredas requirements of the standard.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principle
6、s for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C29/C29M Test Method for Bulk Density(“Unit Weight”)and Voids in AggregateC88/C88M Test Method for Sou
7、ndness of Aggregates byUse of Sodium Sulfate or Magnesium SulfateC125 Terminology Relating to Concrete and Concrete Ag-gregatesC131/C131M Test Method for Resistance to Degradation ofSmall-Size Coarse Aggregate by Abrasion and Impact inthe Los Angeles MachineC136/C136M Test Method for Sieve Analysis
8、of Fine andCoarse AggregatesC294 Descriptive Nomenclature for Constituents of Con-crete AggregatesD8 Terminology Relating to Materials for Roads and Pave-mentsD75/D75M Practice for Sampling AggregatesD448 Classification for Sizes of Aggregate for Road andBridge ConstructionD3319 Practice for the Acc
9、elerated Polishing of AggregatesUsing the British WheelD3515 Specification for Hot-Mixed,Hot-Laid BituminousPaving Mixtures(Withdrawn 2009)3D3665 Practice for Random Sampling of Construction Ma-terialsD4215 Specification for Cold-Mixed,Cold-Laid BituminousPaving MixturesD5821 Test Method for Determi
10、ning the Percentage ofFractured Particles in Coarse Aggregate3.Terminology3.1 For defining aggregate types,see Descriptive Nomen-clature C294,and Terminologies D8 and C125.3.2 Definitions:3.2.1 expanded shale,n;expanded clay,n;expanded slate,nthe product resulting from the expanding of selectedmater
11、ials(shale,clay,or slate)in a rotary kiln at temperaturesover 1000 C 1832 F.4.Ordering Information4.1 Orders for the material under this specification shallinclude the following information:4.1.1 The specification designation and year of issue.4.1.2 The size to be furnished(see 5.2).4.1.3 The quanti
12、ty required.4.1.4 Use of the coarse aggregate,whether for conventionalmixtures or open-graded friction course mixtures(see 5.4),andwhether for surface courses or base courses(see 5.7).1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct re
13、sponsibility of Subcommittee D04.50 onAggregate Specifications.Current edition approved May 1,2020.Published May 2020.Originallyapproved in 1942.Last previous edition approved in 2015 as D692/D692M 15.DOI:10.1520/D0692_D0692M-20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orco
14、ntact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO
15、 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 th
16、e World Trade Organization Technical Barriers to Trade(TBT)Committee.4.1.5 In the case of sulfate soundness tests(5.6),which saltis to be used.4.1.6 Any special requirements.5.Physical Requirements5.1 GeneralThe coarse aggregate shall consist of hard,strong,durable pieces,free of coherent coatings and conform-ing to the requirements of this specification.5.2 Grading:5.2.1 The coarse aggregate grading shall conform to therequirements of Classification D448 for the size numberdesignated,or to anot
