GSO ASTM C140/C140M:2024
ASTM C140/C140M:23a
Gulf Standard
Current Edition
·
Approved on
25 April 2024
·
Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
GSO ASTM C140/C140M:2024 Files
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GSO ASTM C140/C140M:2024 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
(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)
Annex A9—Concrete ballast block
(Specification C1884)
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
Section
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
Concrete Ballast Block Annex A9
Worksheet and Test Report for
Concrete Masonry Units
Appendix X1
Test Report for Concrete Interlocking
Paving Units
Appendix X2
Calculation of Normalized Web Area Appendix X3
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
1 These test methods are under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and are the direct responsibility of Subcommittee
C15.03 on Concrete Masonry Units and Related Units.
Current edition approved Dec. 1, 2023. Published December 2023. Originally
approved in 1938. Last previous edition approved in 2023 as C140/C140M – 23.
DOI: 10.1520/C0140_C0140M-23A.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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.
1
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
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