1、Designation:C140/C140M17aStandard Test Methods forSampling and Testing Concrete Masonry Units and RelatedUnits1This standard is issued under the fixed designation C140/C140M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.A superscript 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.1.Scope*1.1 These test methods provide various
3、testing procedurescommonly used for evaluating characteristics of concretemasonry units and related concrete units.Methods are providedfor sampling,measurement of dimensions,compressivestrength,absorption,unit weight(density),moisture content,flexural load,and ballast weight.Not all methods are appl
4、i-cable to all unit types,however.1.2 Specific testing and reporting procedures are included inannexes to these test methods for the following specific unittypes:Annex A1Concrete masonry units(Specifications C90,C129)Annex A2Concrete and calcium silicate brick(Specifications C55,C73,C1634)Annex A3Se
5、gmental retaining wall units(Specification C1372)Annex A4Concrete interlocking paving units(Specification C936/C936M)Annex A5Concrete grid paving units(Specification C1319)Annex A6Concrete roof pavers(Specification C1491)Annex A7Dry-cast articulating concrete block(Specification D6684)1.3 The test p
6、rocedures included in these test methods arealso applicable to other types of units not referenced in thesetest methods,but specific testing and reporting requirementsfor those units are not included.1.4 These test methods include the following sections:SectionScope1Referenced Documents2Terminology3
7、Significance and Use4Sampling5Measurement of Dimensions6Compressive Strength7Absorption8SectionCalculations9Report10Keywords11AnnexesTest ProceduresConcrete Masonry UnitsAnnex A1Concrete and Calcium Silicate BrickAnnex A2Segmental RetainingWall UnitsAnnex A3Concrete Interlocking Paving UnitsAnnex A4
8、Concrete Grid PavingUnitsAnnex A5Concrete Roof PaversAnnex A6Dry-Cast ArticulatingConcrete BlockAnnex A7Determining Plate ThicknessRequirements forCompression TestingAnnex A8Worksheet and Test Report forConcrete Masonry UnitsAppendix X1NOTE1The testing laboratory performing these test methods should
9、be evaluated in accordance with Practice C1093.1.5 The text of this test method references notes andfootnotes that provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of the standard.1.6 The values stated in either SI uni
10、ts or inch-pound unitsare to be regarded separately 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 non-conformancewith the standard.1.7 This standard does not pu
11、rport 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 and health practices and determine the applica-bility of regulatory limitations prior to use.1.8 This international standard was developed i
12、n 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.1These test methods are und
13、er the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and are the direct responsibility of SubcommitteeC15.03 on Concrete Masonry Units and Related Units.Current edition approved June 1,2017.Published July 2017.Originally approvedin 1938.Last previous edition approved in 2017 as C14
14、0 17.DOI:10.1520/C0140_C0140M-17A.*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 princ
15、iples 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.1 2.Referenced Documents2.1 ASTM Standards:2C55 Specification for Concrete Buil
16、ding BrickC73 Specification for Calcium Silicate Brick(Sand-LimeBrick)C90 Specification for Loadbearing Concrete Masonry UnitsC129 Specification for Nonloadbearing Concrete MasonryUnitsC143/C143M Test Method for Slump of Hydraulic-CementConcreteC936/C936M Specification for Solid Concrete InterlockingPaving UnitsC1093 Practice for Accreditation of Testing Agencies forMasonryC1232 Terminology of MasonryC1319 Specification for Concrete Grid Paving UnitsC1372 Specification for Dry-Cast Segmental Ret