ASTM C496/C496M-11
(Test Method)Standard Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens
Standard Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens
SIGNIFICANCE AND USE
Splitting tensile strength is generally greater than direct tensile strength and lower than flexural strength (modulus of rupture).
Splitting tensile strength is used in the design of structural lightweight concrete members to evaluate the shear resistance provided by concrete and to determine the development length of reinforcement.
SCOPE
1.1 This test method covers the determination of the splitting tensile strength of cylindrical concrete specimens, such as molded cylinders and drilled cores.
1.2 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.
1.3 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 health practices and determine the applicability of regulatory limitations prior to use.
1.4 The text of this standard references notes that provide explanatory material. These notes shall not be considered as requirements of the standard.
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Designation: C496/C496M − 11
Standard Test Method for
Splitting Tensile Strength of Cylindrical Concrete
1
Specimens
This standard is issued under the fixed designation C496/C496M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 3. Summary of Test Method
3.1 This test method consists of applying a diametral
1.1 This test method covers the determination of the split-
ting tensile strength of cylindrical concrete specimens, such as compressive force along the length of a cylindrical concrete
specimen at a rate that is within a prescribed range until failure
molded cylinders and drilled cores.
occurs. This loading induces tensile stresses on the plane
1.2 The values stated in either SI units or inch-pound units
containing the applied load and relatively high compressive
are to be regarded separately as standard. The values stated in
stresses in the area immediately around the applied load.
each system may not be exact equivalents; therefore, each
Tensile failure occurs rather than compressive failure because
system shall be used independently of the other. Combining
the areas of load application are in a state of triaxial
values from the two systems may result in non-conformance
compression, thereby allowing them to withstand much higher
with the standard.
compressive stresses than would be indicated by a uniaxial
1.3 This standard does not purport to address all of the
compressive strength test result.
safety concerns, if any, associated with its use. It is the
3.2 Thin, plywood bearing strips are used to distribute the
responsibility of the user of this standard to establish appro-
load applied along the length of the cylinder.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 3.3 Themaximumloadsustainedbythespecimenisdivided
byappropriategeometricalfactorstoobtainthesplittingtensile
1.4 The text of this standard references notes that provide
explanatory material. These notes shall not be considered as strength.
requirements of the standard.
4. Significance and Use
2. Referenced Documents 4.1 Splitting tensile strength is generally greater than direct
2
tensile strength and lower than flexural strength (modulus of
2.1 ASTM Standards:
rupture).
C31/C31MPractice for Making and Curing Concrete Test
Specimens in the Field 4.2 Splitting tensile strength is used in the design of
C39/C39MTest Method for Compressive Strength of Cylin- structural lightweight concrete members to evaluate the shear
resistance provided by concrete and to determine the develop-
drical Concrete Specimens
C42/C42MTest Method for Obtaining and Testing Drilled ment length of reinforcement.
Cores and Sawed Beams of Concrete
5. Apparatus
C192/C192MPractice for Making and Curing ConcreteTest
Specimens in the Laboratory 5.1 Testing Machine—The testing machine shall conform to
C670Practice for Preparing Precision and Bias Statements
the requirements of Test Method C39/C39M and be of a type
for Test Methods for Construction Materials
with sufficient capacity that will provide the rate of loading
prescribed in 7.5.
5.2 SupplementaryBearingBarorPlate—Ifthediameteror
1
This test method is under the jurisdiction of ASTM Committee C09 on
the largest dimension of the upper bearing face or the lower
Concrete and Concrete Aggregatesand is the direct responsibility of Subcommittee
bearingblockislessthanthelengthofthecylindertobetested,
C09.61 on Testing for Strength.
asupplementarybearingbarorplateofmachinedsteelshallbe
Current edition approved July 1, 2011. Published August 2011. Originally
ε1
used. The surfaces of the bar or plate shall be machined to
approved in 1962. Last previous edition approved in 2004 as C496–04 . DOI:
10.1520/C0496_C0496M-11.
within 60.025mm[60.001in.]ofplaneness,asmeasuredon
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
any line of contact of the bearing area. It shall have a width of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
atleast50mm[2in.],andathicknessnotlessthanthedistance
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. from the edge of the spherical or rectangular bearing block to
*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
1
---------------------- Page: 1 ----------------------
C496/C496M − 11
NOTE 1—Figs. 1 and 2 show a suitable device for drawing diametral
the end of the cylinder. The bar or plate sh
...
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.
´1
Designation:C496/C496M–04 Designation:C496/C496M–11
Standard Test Method for
Splitting Tensile Strength of Cylindrical Concrete
1
Specimens
This standard is issued under the fixed designation C496/C496M; 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 Department of Defense.
1
´ NOTE—Footnote 3 was reinserted editorially to correct a typo in December 2006.
1. Scope*
1.1 This test method covers the determination of the splitting tensile strength of cylindrical concrete specimens, such as molded
cylinders and drilled cores.
1.2 The values stated in either inch-pound SI units or SIinch-pound units are to be regarded separately as standard. The SI units
are shown in brackets. 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.
1.3 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 health practices and determine the applicability of regulatory
limitations prior to use.
1.4 The text of this standard references notes that provide explanatory material. These notes shall not be considered as
requirements of the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field
C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens
C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
3. Summary of Test Method
3.1 This test method consists of applying a diametral compressive force along the length of a cylindrical concrete specimen at
a rate that is within a prescribed range until failure occurs.This loading induces tensile stresses on the plane containing the applied
load and relatively high compressive stresses in the area immediately around the applied load. Tensile failure occurs rather than
compressive failure because the areas of load application are in a state of triaxial compression, thereby allowing them to withstand
much higher compressive stresses than would be indicated by a uniaxial compressive strength test result.
3.2 Thin, plywood bearing strips are used to distribute the load applied along the length of the cylinder.
3.3 The maximum load sustained by the specimen is divided by appropriate geometrical factors to obtain the splitting tensile
strength.
4. Significance and Use
4.1 Splitting tensile strength is generally greater than direct tensile strength and lower than flexural strength (modulus of
rupture).
4.2 Splitting tensile strength is used in the design of structural lightweight concrete members to evaluate the shear resistance
1
This test method 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 Feb. 1, 2004. Published March 2004. Originally approved in 1962. Last previous edition approved in 1996 as C496–96. DOI:
10.1520/C0496_C0496M-04E01.
´1
Current edition approved July 1, 2011. Published August 2011. Originally approved in 1962. Last previous edition approved in 2004 as C496–04 . DOI:
10.1520/C0496_C0496M-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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.
1
---------------------- Page: 1 ----------------------
C496/C496M–11
provided by concrete and to determine the development length of reinforcement.
5. Apparatus
5.1 Testing Machine—The testing machine shall conform to the requirements of Test Method C39/C39M and be of a type with
...
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.
´1
Designation:C496/C496M–04 Designation:C496/C496M–11
Standard Test Method for
Splitting Tensile Strength of Cylindrical Concrete
1
Specimens
This standard is issued under the fixed designation C496/C496M; 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 Department of Defense.
1
´ NOTE—Footnote 3 was reinserted editorially to correct a typo in December 2006.
1. Scope*
1.1 This test method covers the determination of the splitting tensile strength of cylindrical concrete specimens, such as molded
cylinders and drilled cores.
1.2 The values stated in either inch-pound SI units or SIinch-pound units are to be regarded separately as standard. The SI units
are shown in brackets. 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.
1.3 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 health practices and determine the applicability of regulatory
limitations prior to use.
1.4 The text of this standard references notes that provide explanatory material. These notes shall not be considered as
requirements of the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field
C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens
C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
3. Summary of Test Method
3.1 This test method consists of applying a diametral compressive force along the length of a cylindrical concrete specimen at
a rate that is within a prescribed range until failure occurs.This loading induces tensile stresses on the plane containing the applied
load and relatively high compressive stresses in the area immediately around the applied load. Tensile failure occurs rather than
compressive failure because the areas of load application are in a state of triaxial compression, thereby allowing them to withstand
much higher compressive stresses than would be indicated by a uniaxial compressive strength test result.
3.2 Thin, plywood bearing strips are used to distribute the load applied along the length of the cylinder.
3.3 The maximum load sustained by the specimen is divided by appropriate geometrical factors to obtain the splitting tensile
strength.
4. Significance and Use
4.1 Splitting tensile strength is generally greater than direct tensile strength and lower than flexural strength (modulus of
rupture).
4.2 Splitting tensile strength is used in the design of structural lightweight concrete members to evaluate the shear resistance
1
This test method 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 Feb. 1, 2004. Published March 2004. Originally approved in 1962. Last previous edition approved in 1996 as C496–96. DOI:
10.1520/C0496_C0496M-04E01.
´1
Current edition approved July 1, 2011. Published August 2011. Originally approved in 1962. Last previous edition approved in 2004 as C496–04 . DOI:
10.1520/C0496_C0496M-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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.
1
---------------------- Page: 1 ----------------------
C496/C496M–11
provided by concrete and to determine the development length of reinforcement.
5. Apparatus
5.1 Testing Machine—The testing machine shall conform to the requirements of Test Method C39/C39M and be of a type with
...
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