ASTM C140 C140M-2018 Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units.pdf
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1、Designation: C140/C140M 18Standard 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 yea
2、r of 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
3、 various 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 al
4、l methods are appli-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
5、, C73, C1634)Annex A3Segmental 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(Specific
6、ation D6684)1.3 The test procedures 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:SectionScope 1Refer
7、enced Documents 2Terminology 3Significance and Use 4Sampling 5Measurement of Dimensions 6Compressive Strength 7SectionAbsorption 8Calculations 9Report 10Keywords 11AnnexesTest ProceduresConcrete Masonry Units Annex A1Concrete and Calcium Silicate Brick Annex A2Segmental RetainingWall UnitsAnnex A3Co
8、ncrete Interlocking Paving Units Annex A4Concrete Grid PavingUnitsAnnex A5Concrete Roof Pavers Annex A6Dry-Cast ArticulatingConcrete BlockAnnex A7Worksheet and Test Report forConcrete Masonry UnitsAppendix X1NOTE 1The testing laboratory performing these test methods shouldbe evaluated in accordance
9、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 units or inch-pound unitsar
10、e 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 purport to address all
11、 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.1.8 This international standard was developed in
12、 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 u
13、nder 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 July 15, 2018. Published August 2018. Originallyapproved in 1938. Last previous edition approved in 20
14、17 as C140 17b. DOI:10.1520/C0140_C0140M-18.*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 r
15、ecognized principles 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.12. Referenced Documents2.1 ASTM Standards:2C55 Specification
16、 for Concrete Building 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 C
17、oncrete InterlockingPaving UnitsC1093 Practice for Accreditation of Testing Agencies forMasonryC1232 Terminology for MasonryC1319 Specification for Concrete Grid Paving UnitsC1372 Specification for Dry-Cast Segmental Retaining WallUnitsC1491 Specification for Concrete Roof PaversC1552 Practice for C
18、apping Concrete Masonry Units, Re-lated Units and Masonry Prisms for Compression TestingC1634 Specification for Concrete Facing BrickC1716 Specification for Compression Testing Machine Re-quirements for Concrete Masonry Units, Related Units,and PrismsD6684 Specification for Materials and Manufacture
19、 of Ar-ticulating Concrete Block (ACB) Revetment SystemsE4 Practices for Force Verification of Testing MachinesE6 Terminology Relating to Methods of Mechanical Testing2.2 Other Documents:SP 960-12 NIST Recommended Practice Guide Stopwatchand Timer Calibration33. Terminology3.1 Terminology defined in
20、 Terminologies C1232 and E6shall apply for these test methods.3.2 Definitions of Terms Specific to This Standard:3.2.1 lot, nany number of concrete masonry units orrelated units, designated by the producer, of any configurationor dimension manufactured by the producer using the samematerials, concre
21、te mix design, manufacturing process, andcuring method.4. Significance and Use4.1 These test methods provide general testing requirementsfor application to a broad range of concrete products. Thosegeneral testing requirements are included in the body of thisstandard.NOTE 2Consult manufacturer, suppl
22、ier, product specifications, orother resources for more specific measurement or testing guidelines forthose products not addressed with the annex of this standard.4.2 These test methods provide specific testing requirementsin two distinct sections, the requirements applicable to all unitscovered by
23、these test methods and those applicable to thespecific unit types. The requirements applicable to all units areincluded in the body of these test methods and those applicableto the specific unit types are included within the annexes.5. Sampling5.1 Selection of Test Specimens:5.1.1 For purposes of te
24、sting, full-sized units shall beselected by the purchaser or authorized representative. Theselected specimens shall be of similar configuration anddimensions. Specimens shall be representative of the whole lotof units from which they are selected.5.2 Number of Specimens:5.2.1 Unless specified otherw
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