ASTM_D_1632_-_17e1.pdf

Designation:D1632171Standard Practice forMaking and Curing Soil-Cement Compression and FlexureTest Specimens in the Laboratory1This standard is issued under the fixed designation D1632;the number immediately following the designation 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.This standard has been approved for use by agencies of the U.S.Department of Defense.1NOTEDOD statement was added editorially in March 2020.1.Scope*1.1 This practice covers the procedure for making andcuring compression and flexure test specimens of soil-cementin the laboratory under accurate control of quantities ofmaterials and test conditions.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard,except as noted below.The values givenin parentheses are mathematical conversions to SI units,whichare provided for information only and are not consideredstandard.Sieve sizes are identified by the standard designationin Specification E11.The alternative sieve size designationgiven in parentheses is for information only and does notrepresent a different standard sieve size.1.2.1 The gravitational system of inch-pound units 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.1.2.2 The slug unit of mass is almost never used incommercial practice;that is,density,balances,etc.Therefore,the standard unit for mass in this standard is either kilogram(kg)or gram(g),or both.Also,the equivalent inch-pound unit(slug)is not given/presented in parantheses.1.2.3 It is common practice in the engineering/constructionprofession to 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 singlestandard.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.1.3 All observed and calculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026 unless superseded by this test method.1.3.1 The procedures used to specify how data are collected/recorded and calculated in the standard are regarded as theindustry standard.In addition,they are representative of thesignificant digits that generally should be retained.The proce-dures used do not consider material variation,purpose forobtaining the data,special purpose studies,or any consider-ations for the users objectives;and it is common practice toincrease or reduce significant digits of reported data to becommensurate with these considerations.It is beyond the scopeof these test methods to consider significant digits used inanalysis methods for engineering data.1.4 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 prior to use.1.5 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 TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C127 Test Method for Relative Density(Specific Gravity)and Absorption of Coarse AggregateD558 Test Methods for Moisture-Density(Unit Weight)Relations of Soil-Cement Mixtures1This practice is under the jurisdiction of ASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.15 on Stabilization WithAdmixtures.Current edition approved Nov.1,2017.Published November 2017.Originallyapproved in 1959.Last previous edition approved in 2007 as D1632 07,whichwas withdrawn in July 2016 and reinstated in November 2017.DOI:10.1520/D1632-17E01.2For 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 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 theDev