1、Designation:D4223/D4223M20Standard Practices forPreparation of Test Specimens of Asphalt-Stabilized Soils1This standard is issued under the fixed designation D4223/D4223M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of la
2、st revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This standard covers the selection and proportioning ofsoils and emulsified or cutback asphalts and the fabrication of100-mm
3、 4-in.diameter by 65-mm 2.5-in.high test speci-mens.1.2 All observed and calculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026.1.2.1 The procedures used to specify how data are collected/recorded or calculated in the standard are regarded a
4、s industrystandard.In addition,they are representative of the significantdigits that generally should be retained.The procedures useddo not consider material variation,purpose for obtaining thedata,special purpose studies,or any considerations for theusers objectives;and it is common practice to inc
5、rease orreduce significant digits of reported data to be commensuratewith these considerations.It is beyond the scope of thisstandard to consider significant digits used in analysis methodsfor engineering design.1.3 UnitsThe values stated in either SI units or inch-pound units presented in brackets
6、are to be regarded sepa-rately as standard.The values stated in each system may not beexact equivalents;therefore,each system shall be used inde-pendently of the other.Combining values from the two systemsmay result in non-conformance with the standard.1.3.1 The gravitational system of inch-pound un
7、its is usedwhen dealing with inch-pound units.In this system,the pound(lbf)represents a unit of force(weight)while the unit for massis slugs.The rationalized slug unit is not given,unless dynamic(F=ma)calculations are involved.1.3.2 It is common practice in the engineering/constructionprofession to
8、concurrently use pounds to represent both a unitof mass(lbm)and of force(lbf).This implicitly combines twoseparate systems of units;that is,the absolute system and thegravitational system.It is scientifically undesirable to combinethe use of two separate sets of inch-pound units within a singlestand
9、ard.As stated,this standard includes the gravitationalsystem of inch-pound units and does not use/present the slugunit for mass.However,the use of balances or scales recordingpounds of mass(lbm)or recording in lbm/ft3shall not beregarded as nonconformance with this standard.1.4 This standard offers
10、a set of instructions for performingone or more specific operations.This document cannot replaceeducation or experience and should be used in conjunctionwith professional judgment.Not all aspects of this standardmay be applicable in all circumstances.This ASTM standard isnot intended to represent or
11、 replace the standard of care bywhich the adequacy of a given professional service must bejudged,nor should this document be applied without consid-eration of a projects many unique aspects.The word“Stan-dard”in the title of this document means only that thedocument has been approved through the AST
12、M consensusprocess.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 limitation
13、s 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 Trade Organization Techni
14、calBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C117 Test Method for Materials Finer than 75-m(No.200)Sieve in Mineral Aggregates by WashingC136 Test Method for Sieve Analysis of Fine and CoarseAggregatesD8 Terminology Relating to Materials for Roads and Pave-mentsD75 Pr
15、actice for Sampling AggregatesD653 Terminology Relating to Soil,Rock,and ContainedFluids1These practices are under the jurisdiction ofASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.15 on Stabilization WithAdmixtures.Current edition approved Nov.1,2020.Publish
16、ed November 2020.Originallyapproved in 1983.Last previous edition approved in 2012 as D4223/D4223M12.DOI:10.1520/D4223_D4223M-12.2For 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 standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Cons
