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ASTM C140/C140M-18a

Historical Revision

Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units

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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
  (Specifications C90, C129)

Annex A2—Concrete and calcium silicate brick
  (Specifications C55, C73, C1634)

Annex A3—Segmental retaining wall units (Specification C1372)

Annex A4—Concrete interlocking paving units
  (Specification C936/C936M)

Annex A5—Concrete grid paving units (Specification C1319)

Annex A6—Concrete roof pavers
  (Specification C1491)

Annex A7—Dry-cast articulating concrete block
 (Specification D6684)

Annex A8—Segmental Concrete Paving Slabs
 (Specification C1782/C1782M)

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
 Wall Units  

Annex A3

Concrete Interlocking Paving Units

Annex A4

Concrete Grid Paving
  Units    

Annex A5

Concrete Roof Pavers      

Annex A6

Dry-Cast Articulating
  Concrete Block

Annex A7

Segmental Concrete Paving Slabs

Annex A8

Worksheet and Test Report for
 Concrete Masonry Units    

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.


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.

SDO ASTM: ASTM International
Document Number C140
Publication Date Dec. 15, 2018
Language en - English
Page Count 27
Revision Level 18a
Supercedes
Committee C15.03
Publish Date Document Id Type View
June 15, 2024 C0140_C0140M-24 Revision
Dec. 1, 2023 C0140_C0140M-23A Revision
June 1, 2023 C0140_C0140M-23 Revision
Dec. 1, 2022 C0140_C0140M-22C Revision
July 1, 2022 C0140_C0140M-22B Revision
March 1, 2022 C0140_C0140M-22A Revision
Feb. 1, 2022 C0140_C0140M-22 Revision
July 1, 2021 C0140_C0140M-21 Revision
June 1, 2020 C0140_C0140M-20A Revision
Feb. 1, 2020 C0140_C0140M-20 Revision
Dec. 15, 2018 C0140_C0140M-18A Revision
July 15, 2018 C0140_C0140M-18 Revision
Dec. 15, 2017 C0140_C0140M-17B Revision
June 1, 2017 C0140_C0140M-17A Revision
Feb. 1, 2017 C0140_C0140M-17 Revision
June 1, 2016 C0140_C0140M-16 Revision
Dec. 15, 2015 C0140_C0140M-15AE01 Revision
Dec. 15, 2015 C0140_C0140M-15A Revision
July 1, 2015 C0140_C0140M-15 Revision
Dec. 15, 2014 C0140_C0140M-14B Revision
July 1, 2014 C0140_C0140M-14A Revision
Feb. 1, 2014 C0140_C0140M-14 Revision
Aug. 1, 2013 C0140_C0140M-13A Revision