ASTM C617/C617M-23
(Practice)Standard Practice for Capping Cylindrical Concrete Specimens
Standard Practice for Capping Cylindrical Concrete Specimens
SIGNIFICANCE AND USE
3.1 This practice describes procedures for providing plane surfaces on the ends of freshly molded concrete cylinders, hardened cylinders, or drilled concrete cores when the end surfaces do not conform with the planeness and perpendicularity requirements of applicable standards. Practice C1231/C1231M describes alternative procedures using unbonded caps or pad caps.
SCOPE
1.1 This practice covers apparatus, materials, and procedures for capping freshly molded concrete cylinders with neat cement and hardened cylinders and drilled concrete cores with high-strength gypsum paste or sulfur mortar.
1.2 The text of this standard refers to 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.
1.3 Units—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. Combining values from the two systems may result in non-conformance with the standard.
1.4 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. For specific precaution statements see 4.3.1 and 6.2.4.1.
1.5 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.
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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: C617/C617M − 23
Standard Practice for
1
Capping Cylindrical Concrete Specimens
This standard is issued under the fixed designation C617/C617M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* C109/C109M Test Method for Compressive Strength of
Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube
1.1 This practice covers apparatus, materials, and proce-
Specimens)
dures for capping freshly molded concrete cylinders with neat
C150/C150M Specification for Portland Cement
cement and hardened cylinders and drilled concrete cores with
C472 Test Methods for Physical Testing of Gypsum, Gyp-
high-strength gypsum paste or sulfur mortar.
sum Plasters, and Gypsum Concrete
1.2 The text of this standard refers to notes and footnotes
C595/C595M Specification for Blended Hydraulic Cements
that provide explanatory material. These notes and footnotes
C1231/C1231M Practice for Use of Unbonded Caps in
(excluding those in tables and figures) shall not be considered
Determination of Compressive Strength of Hardened Cy-
as requirements of the standard.
lindrical Concrete Specimens
3
1.3 Units—The values stated in either SI units or inch-
2.2 ANSI Standard:
pound units are to be regarded separately as standard. The
B46.1 Standard for Surface Texture (Surface, Roughness,
values stated in each system are not necessarily exact equiva-
Waviness and Lay)
lents; therefore, to ensure conformance with the standard, each
3. Significance and Use
system shall be used independently of the other, and values
from the two systems shall not be combined. Combining values
3.1 This practice describes procedures for providing plane
from the two systems may result in non-conformance with the
surfaces on the ends of freshly molded concrete cylinders,
standard.
hardened cylinders, or drilled concrete cores when the end
1.4 This standard does not purport to address all of the surfaces do not conform with the planeness and perpendicu-
safety concerns, if any, associated with its use. It is the larity requirements of applicable standards. Practice C1231/
responsibility of the user of this standard to establish appro- C1231M describes alternative procedures using unbonded caps
priate safety, health, and environmental practices and deter- or pad caps.
mine the applicability of regulatory limitations prior to use.
4. Capping Equipment
For specific precaution statements see 4.3.1 and 6.2.4.1.
1.5 This international standard was developed in accor-
4.1 Capping Plates—Neat cement caps and high-strength
dance with internationally recognized principles on standard-
gypsum-paste caps shall be formed against a glass plate at least
1
ization established in the Decision on Principles for the
6 mm [ ⁄4 in.] thick, a machined metal plate at least 11 mm
Development of International Standards, Guides and Recom-
[0.45 in.] thick, or a polished plate of granite or diabase at least
mendations issued by the World Trade Organization Technical
75 mm [3 in.] thick. Sulfur mortar caps shall be formed against
Barriers to Trade (TBT) Committee.
similar metal or stone plates except that the recessed area
which receives molten sulfur shall not be deeper than 12 mm
2. Referenced Documents
1
[ ⁄2 in.]. In all cases, plates shall be at least 25 mm [1 in.]
2
2.1 ASTM Standards:
greater in diameter than the test specimen and the working
surfaces shall not depart from a plane by more than 0.05 mm
[0.002 in.] in 150 mm [6 in.]. The surface roughness of newly
1
This practice is under the jurisdiction of ASTM Committee C09 on Concrete
finished metal plates shall not exceed that set forth in Table 4
and Concrete Aggregates and is the direct responsibility of Subcommittee C09.61 on
Testing for Strength. of American National Standard B46.1, or 3.2 μm [125 μin.] for
Current edition approved Oct. 1, 2023. Published October 2023. Originally
any type of surface and direction of lay. The surface, when
approved in 1968. Last previous edition approved in 2015 as C617/C617M – 15.
new, shall be free of gouges, grooves, or indentations beyond
DOI: 10.1520/C0617_C0617M-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from American National Standards I
...
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: C617/C617M − 15 C617/C617M − 23
Standard Practice for
1
Capping Cylindrical Concrete Specimens
This standard is issued under the fixed designation C617/C617M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This practice covers apparatus, materials, and procedures for capping freshly molded concrete cylinders with neat cement and
hardened cylinders and drilled concrete cores with high-strength gypsum paste or sulfur mortar.
1.2 The text of this standard refers to 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.
1.3 Units—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 beare not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall
be used independently of the other. other, and values from the two systems shall not be combined. Combining values from the two
systems may result in non-conformance with the standard.
1.4 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 and healthsafety, health, and environmental practices and determine
the applicability of regulatory limitations prior to use. For specific precaution statements see 4.3.1 and 6.2.4.1.
1.5 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:
C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens)
C150C150/C150M Specification for Portland Cement
C472 Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete
C595C595/C595M Specification for Blended Hydraulic Cements
C1231/C1231M Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Cylindrical
Concrete Specimens
3
2.2 ANSI Standard:
B46.1 Standard for Surface Texture (Surface, Roughness, Waviness and Lay)
1
This practice is under the jurisdiction of ASTM Committee C09 on Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee C09.61 on Testing
for Strength.
Current edition approved April 1, 2015Oct. 1, 2023. Published May 2015October 2023. Originally approved in 1968. Last previous edition approved in 20122015 as
C617/C617M – 12. DOI: 10.1520/C0617_C0617M-15.15. DOI: 10.1520/C0617_C0617M-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
*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
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C617/C617M − 23
3. Significance and Use
3.1 This practice describes procedures for providing plane surfaces on the ends of freshly molded concrete cylinders, hardened
cylinders, or drilled concrete cores when the end surfaces do not conform with the planeness and perpendicularity requirements
of applicable standards. Practice C1231/C1231M describes alternative procedures using unbonded caps or pad caps.
4. Capping Equipment
4.1 Capping Plates—Neat cement caps and high-strength gypsum-paste caps shall be formed against a glass plate at least 6 mm
1
[ ⁄4 in.] thick, a machined metal plate at least 11 mm [0.45 in.] thick, or a polished plate of granite or diabase at least 75 mm [3
in.] thick. Sulfur mortar caps shall be formed against similar metal or stone plates except t
...
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