1、Designation:D670422Standard Test Method forDetermining the Workability of Asphalt Cold Mix PatchingMaterial1This standard is issued under the fixed designation D6704;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re
2、vision.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 provides a procedure for determinationof the workability of asphalt cold mix patching materials.1.2 This test met
3、hod is applicable to asphalt cold mixpatching materials that will be stockpiled or packaged incontainers,subjected to different climatic conditions,and laterused for roadway patching operations.1.3 The within-laboratory repeatability standard deviationhas been determined to be 10%based on one lab,th
4、ree testreplicates,and two different samples.Therefore,this testmethod should not be used for purchasing purposes.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 The text of this standard references notes and footnoteswhi
5、ch provide explanatory material.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 st
6、andard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.This procedure may involve hazardous materials,operations,and equipment.1.7 This international standard was developed in accor-dance with internationally
7、 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 Documents2.1 ASTM Standards:2C702/C702M Practice
8、 for Reducing Samples of Aggregateto Testing SizeD8 Terminology Relating to Materials for Roads and Pave-mentsD75/D75M Practice for Sampling AggregatesD3665 Practice for Random Sampling of Construction Ma-terialsD3666 Specification for Minimum Requirements for Agen-cies Testing and Inspecting Road a
9、nd Paving MaterialsD4753 Guide for Evaluating,Selecting,and Specifying Bal-ances and Standard Masses for Use in Soil,Rock,andConstruction Materials TestingD5581 Test Method for Resistance to Plastic Flow of Bitu-minous Mixtures Using Marshall Apparatus(6 in.Diam-eter Specimen)3.Terminology3.1 Defini
10、tions of Terms Specific to This Standard:3.1.1 workabilitythe average maximum resistance to pen-etration by a designated penetrometer into a compacted asphaltcold mix that is confined in a designated box.3.2 Definitions for other terms used in this test method maybe found in Terminology D8 or a stan
11、dard unabridged diction-ary.4.Summary of Test Method4.1 This test method is used to determine the relative valuefor workability of an asphalt cold mix patching material to beused under different climatic conditions.4.2 Cold patching samples are obtained from the asphaltcold mix stockpile or removed
12、from its container,cooled to aspecified temperature,and measured for workability.1This test method is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.27 onCold Mix Asphalts.Current edition approved May 1,2022.Published May
13、 2022.Originallyapproved in 2001.Last previous edition approved in 2015 as D6704 08(2015).DOI:10.1520/D6704-22.2For 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 standa
14、rds 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 o
15、n Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.15.Significance and Use5.1 This test method may be used to generate informationconcerning the potential characteristics of handling,p
16、lacing,compaction,and performance of an asphalt cold mix.5.2 Workability is one of the main factors that influences thesuitability and ultimately the performance of asphalt cold mixsuitability for use as a roadway patching material.5.3 This test method is applicable to asphalt cold mixesmanufactured with modified or unmodified emulsified asphalts,cutback asphalts,or combinations thereof.NOTE1The quality of the results produced by this standard aredependent on the competence of the personnel perf
