ASTM C1352/C1352M-21

Standard Test Method for Flexural Modulus of Elasticity of Dimension Stone

SIGNIFICANCE AND USE
4.1 This test method is useful for providing engineering values for stress and deflection analysis of stone panels. It is also useful in indicating the differences in flexural modulus of elasticity between various dimension stones and stones of the same type in different loading directions (parallel and perpendicular to rift or bedding planes).
SCOPE
1.1 This test method covers the procedure for determining the flexural modulus of elasticity of stone by using a simple beam with quarter-point loading.  
1.2 Stone tests may be made with load applied perpendicular to the bedding plane or rift and with load applied parallel to the bedding plane or rift.  
1.3 Stone tests may be made for wet and dry specimen conditions.  
1.4 The specifier of the test shall determine which conditions shall be used.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.6 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.  
1.7 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.

General Information

• Status: Published
• Publication Date: 31-Aug-2021
• ICS: 91.100.15 - Mineral materials and products
• Technical Committee: C18 - Dimension Stone
• Drafting Committee: C18.01 - Test Methods

Standards Content (Sample)

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.
Designation: C1352/C1352M − 21
Standard Test Method for
1
Flexural Modulus of Elasticity of Dimension Stone
This standard is issued under the fixed designation C1352/C1352M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year 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.
1. Scope C880 Test Method for Flexural Strength of Dimension Stone
C1799 Guide to Dimension Stone Test Specimen Sampling
1.1 This test method covers the procedure for determining
and Preparation
the flexural modulus of elasticity of stone by using a simple
E4 Practices for Force Calibration and Verification of Test-
beam with quarter-point loading.
ing Machines
1.2 Stone tests may be made with load applied perpendicu-
lar to the bedding plane or rift and with load applied parallel to
3. Terminology
the bedding plane or rift.
3.1 Definition—For definitions of terms used in this test
1.3 Stone tests may be made for wet and dry specimen
method, refer to Terminology C119.
conditions.
3.2 Definitions of Terms Specific to This Standard:
1.4 The specifier of the test shall determine which condi-
3.2.1 modulus of elasticity, n—stress per unit strain, also
tions shall be used.
known as Young’s Modulus.
1.5 The values stated in either SI units or inch-pound units
4. Significance and Use
are to be regarded separately as standard. The values stated in
4.1 This test method is useful for providing engineering
each system are not necessarily exact equivalents; therefore, to
values for stress and deflection analysis of stone panels. It is
ensure conformance with the standard, each system shall be
also useful in indicating the differences in flexural modulus of
used independently of the other, and values from the two
elasticity between various dimension stones and stones of the
systems shall not be combined.
same type in different loading directions (parallel and perpen-
1.6 This standard does not purport to address all of the
dicular to rift or bedding planes).
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Apparatus
priate safety, health, and environmental practices and deter-
5.1 Testing Machine (see Fig. 1), conforming to the require-
mine the applicability of regulatory limitations prior to use.
ments of the applicable sections of Practices E4. The quarter-
1.7 This international standard was developed in accor-
point loading method shall be used in making flexure tests of
dance with internationally recognized principles on standard-
stone employing bearing blocks that will ensure that forces
ization established in the Decision on Principles for the
applied to the beam will be vertical only and applied without
Development of International Standards, Guides and Recom-
eccentricity. The apparatus should be capable of maintaining
mendations issued by the World Trade Organization Technical
the span length and distances between load-applying blocks
Barriers to Trade (TBT) Committee.
and support blocks constant within 60.05 in. [61 mm]. The
load should be capable of being applied at a uniform rate and
2. Referenced Documents
in such a manner as to avoid shock.
2
2.1 ASTM Standards:
5.2 Deflection Gages, capable of reading to 0.0001 in.
C119 Terminology Relating to Dimension Stone
[0.002 mm] shall be used to measure mid-span deflections at
the two free edges and support deflections at each end.
1
This test method is under the jurisdiction of ASTM Committee C18 on
6. Test Specimens
Dimension Stone and is the direct responsibility of Subcommittee C18.01 on Test
Methods.
6.1 The test specimens shall measure 4 in. [100 mm] wide
Current edition approved Sept. 1, 2021. Published October 2021. Originally
by 1.25 in. [30 mm] thick by 15 in. [350 mm] long with a span
approved in 1996. Last previous edition approved in 2015 as C1352/C1352M–15.
DOI: 10.1520/C1352_C1352M-21.
astestedof12.5in.[300mm].Thesidesofthespecimensshall
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
be at right angles with the top and bottom.The specimens shall
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
have a fine abrasive finish on the planes perpendicular to the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. load and a fine saw finish on the other four planes. The
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C1352/C1352M − 15 C1352/C1352M − 21
Standard Test Method for
1
Flexural Modulus of Elasticity of Dimension Stone
This standard is issued under the fixed designation C1352/C1352M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year 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.
1. Scope
1.1 This test method covers the procedure for determining the flexural modulus of elasticity of stone by using a simple beam with
quarter-point loading.
1.2 Stone tests may be made with load applied perpendicular to the bedding plane or rift and with load applied parallel to the
bedding plane or rift.
1.3 Stone tests may be made for wet and dry specimen conditions.
1.4 The specifier of the test shall determine which conditions shall be used.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system mayare not benecessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used
independently of the other. Combiningother, and values from the two systems may result in non-conformance with the
standard.shall not be combined.
1.6 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.7 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
2
2.1 ASTM Standards:
C119 Terminology Relating to Dimension Stone
C880 Test Method for Flexural Strength of Dimension Stone
C1799 Guide to Dimension Stone Test Specimen Sampling and Preparation
E4 Practices for Force Calibration and Verification of Testing Machines
3. Terminology
3.1 Definition—For definitions of terms used in this test method, refer to Terminology C119.
1
This test method is under the jurisdiction of ASTM Committee C18 on Dimension Stone and is the direct responsibility of Subcommittee C18.01 on Test Methods.
Current edition approved May 1, 2015Sept. 1, 2021. Published July 2015October 2021. Originally approved in 1996. Last previous edition approved in 20092015 as
C1352C1352/C1352M–09.–15. DOI: 10.1520/C1352_C1352M-15.10.1520/C1352_C1352M-21.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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C1352/C1352M − 21
3.2 Definitions of Terms Specific to This Standard:
3.2.1 modulus of elasticity, n—stress per unit strain, also known as Young’s Modulus.
4. Significance and Use
4.1 This test method is useful for providing engineering values for stress and deflection analysis of stone panels. It is also useful
in indicating the differences in flexural modulus of elasticity between various dimension stones and stones of the same type in
different loading directions (parallel and perpendicular to rift or bedding planes).
5. Apparatus
5.1 Testing Machine (see Fig. 1), conforming to the requirements of the applicable sections of Practices E4. The quarter-point
loading method shall be used in making flexure tests of stone employing bearing blocks that will ensure that forces applied to the
beam will be vertical only and applied without eccentricity. The apparatus should be capable of maintaining the span length and
distances between load-applying blocks and support blocks constant within 60.05 in. [61 mm]. The load should be capable of
being applied at a uniform rate and in such a manner as to avoid shock.
5.2 Deflection Gages, capable of reading to 0.0001 in. [0.002 mm] shall be used to measure mid-span deflections at the two free
edges and support deflections at each end.
6. Test Specimens
6.1 The test specimens shall measure 4 in. [100 mm
...