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Significance and Use
4.1 These test methods provide general testing requirements for application to a broad range of concrete products. Those general testing requirements are included in the body of this standard.
Note 2: Consult manufacturer, supplier, product specifications, or other resources for more specific measurement or testing guidelines for those products not addressed with the annex of this standard.
4.2 These test methods provide specific testing requirements in two distinct sections, the requirements applicable to all units covered by these test methods and those applicable to the specific unit types. The requirements applicable to all units are included in the body of these test methods and those applicable to the specific unit types are included within the annexes.
1. Scope
1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content, flexural load, and ballast weight. Not all methods are applicable to all unit types, however.
1.2 Specific testing and reporting procedures are included in annexes to these test methods for the following specific unit types:
Annex A1—Concrete masonry units |
Annex A2—Concrete and calcium silicate brick |
Annex A3—Segmental retaining wall units (Specification C1372) |
Annex A4—Concrete interlocking paving units |
Annex A5—Concrete grid paving units (Specification C1319) |
Annex A6—Concrete roof pavers |
Annex A7—Dry-cast articulating concrete block |
Annex A8—Segmental Concrete Paving Slabs |
1.3 The test procedures included in these test methods are also applicable to other types of units not referenced in these test methods, but specific testing and reporting requirements for those units are not included.
1.4 These test methods include the following sections:
| Section |
Scope | 1 |
Referenced Documents | 2 |
Terminology | 3 |
Significance and Use | 4 |
Sampling | 5 |
Measurement of Dimensions | 6 |
Compressive Strength | 7 |
Absorption | 8 |
Calculations | 9 |
Report | 10 |
Keywords | 11 |
Annexes—Test Procedures |
|
Concrete Masonry Units | Annex A1 |
Concrete and Calcium Silicate Brick | Annex A2 |
Segmental Retaining | Annex A3 |
Concrete Interlocking Paving Units | Annex A4 |
Concrete Grid Paving | Annex A5 |
Concrete Roof Pavers | Annex A6 |
Dry-Cast Articulating | Annex A7 |
Segmental Concrete Paving Slabs | Annex A8 |
Worksheet and Test Report for | Appendix X1 |
Note 1: The testing laboratory performing these test methods should be evaluated in accordance with Practice C1093.
1.5 The text of this test method references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
C55 Specification for Concrete Building Brick
C73 Specification for Calcium Silicate Brick (Sand-Lime Brick)
C90 Specification for Loadbearing Concrete Masonry Units
C129 Specification for Nonloadbearing Concrete Masonry Units
C143/C143M Test Method for Slump of Hydraulic-Cement Concrete
C936/C936M Specification for Solid Concrete Interlocking Paving Units
C1093 Practice for Accreditation of Testing Agencies for Masonry
C1232 Terminology for Masonry
C1319 Specification for Concrete Grid Paving Units
C1372 Specification for Dry-Cast Segmental Retaining Wall Units
C1491 Specification for Concrete Roof Pavers
C1552 Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing
C1634 Specification for Concrete Facing Brick
C1716/C1716M Specification for Compression Testing Machine Requirements for Concrete Masonry Units, Related Units, and Prisms
C1782/C1782M Specification for Segmental Concrete Paving Slabs
D1056 Specification for Flexible Cellular Materials--Sponge or Expanded Rubber
D6684 Specification for Materials and Manufacture of Articulating Concrete Block (ACB) Systems
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
Other Documents
SP960-12 NIST Recommended Practice Guide Stopwatch and Timer Calibration Available at http://tf.nist.gov/general/pdf/2281.pdfICS Code
ICS Number Code 91.100.30 (Concrete and concrete products)
UNSPSC Code
UNSPSC Code 30111500(Concrete and mortars)
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DOI: 10.1520/C0140_C0140M-20A
Citation Format
ASTM C140 / C140M-20a, Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units, ASTM International, West Conshohocken, PA, 2020, www.astm.org
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