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ASTM D7913/D7913M-14

(Test Method)

Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout Testing

Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout Testing

SIGNIFICANCE AND USE
5.1 The behavior of the bond between concrete and FRP reinforcing bars is an important performance aspect that has been used in material specifications and design standards. This test method serves as a means for uniformly preparing specimens and testing FRP bar-to-concrete bond, and for providing a standard method to calculate, evaluate and report bond strength.  
5.2 This test method for measuring bond strength by pullout testing is intended for use in laboratory tests in which the principal variable is the size or type of FRP bars.  
Note 1: This test method should not be used to establish design bond values and development lengths for FRP bars embedded in concrete, as it does not represent the state of bond stress observed in concrete flexural members reinforced with FRP bars. See Test Method A944 for a beam-end test configuration, used for determining bond stress in steel bars.  
5.3 This test method is intended to determine the bond behavior for material specifications, research and development. The bond behavior will be specimen-configuration dependent, which may affect both analysis and design. The primary test result is the bond strength of the specimen to normal weight concrete.  
5.4 This test method may also be used to determine the conformance of a product or a treatment to a requirement relating to its effect on the bond developed between FRP bar and concrete. The result obtained from this test method should be used only for comparative purposes to compare parameters or variables of bond strength. The method may be used as part of a protocol to establish long-term environmental effects on bond to concrete, including environmental reduction factors for FRP bars embedded in concrete.
SCOPE
1.1 This test method covers the determination of the bond strength of fiber-reinforced polymer (FRP) composite bars used as reinforcing bars or pre-stressing tendons in concrete.  
1.2 Two procedures for casting test specimens are provided. The first procedure aligns the bar with the concrete casting direction. The second procedure aligns the bar’s transverse to the concrete casting direction.  
1.3 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.  
1.4 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 health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
14-Aug-2014
ICS
83.120 - Reinforced plastics
91.080.40 - Concrete structures
Technical Committee
D30 - Composite Materials
Drafting Committee
D30.10 - Composites for Civil Structures
Current Stage
Ref Project

Relations

Replaced By
ASTM D7913/D7913M-14(2020) - Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout Testing
Effective Date
01-Feb-2020
Referred By
ASTM D8505/D8505M-23 - Standard Specification for Basalt and Glass Fiber Reinforced Polymer (FRP) Bars for Concrete Reinforcement
Effective Date
15-Aug-2014
Referred By
ASTM D4762-18 - Standard Guide for Testing Polymer Matrix Composite Materials
Effective Date
15-Aug-2014
Referred By
ASTM B1009-20 - Standard Specification for Titanium Alloy Bars for Near Surface Mounts in Civil Structures
Effective Date
15-Aug-2014
Referred By
ASTM D7957/D7957M-22 - Standard Specification for Solid Round Glass Fiber Reinforced Polymer Bars for Concrete Reinforcement
Effective Date
15-Aug-2014

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ASTM D7913/D7913M-14 - Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout TestingASTM D7913/D7913M-14 - Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout Testing
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ASTM D7913/D7913M-14 - Standard Test Method for Bond Strength of Fiber-Reinforced Polymer Matrix Composite Bars to Concrete by Pullout Testing
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D7913/D7913M − 14
Standard Test Method for
Bond Strength of Fiber-Reinforced Polymer Matrix
1
Composite Bars to Concrete by Pullout Testing
This standard is issued under the fixed designation D7913/D7913M; 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 Specimens in the Laboratory
C293/C293MTestMethodforFlexuralStrengthofConcrete
1.1 This test method covers the determination of the bond
(Using Simple Beam With Center-Point Loading)
strength of fiber-reinforced polymer (FRP) composite bars
C511Specification for Mixing Rooms, Moist Cabinets,
used as reinforcing bars or pre-stressing tendons in concrete.
Moist Rooms, and Water Storage Tanks Used in the
1.2 Twoproceduresforcastingtestspecimensareprovided.
Testing of Hydraulic Cements and Concretes
The first procedure aligns the bar with the concrete casting
C617/C617MPractice for Capping Cylindrical Concrete
direction. The second procedure aligns the bar’s transverse to
Specimens
the concrete casting direction.
D792Test Methods for Density and Specific Gravity (Rela-
tive Density) of Plastics by Displacement
1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in D883Terminology Relating to Plastics
D3878Terminology for Composite Materials
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining D5229/D5229MTestMethodforMoistureAbsorptionProp-
erties and Equilibrium Conditioning of Polymer Matrix
values from the two systems may result in non-conformance
with the standard. Composite Materials
D7205/D7205MTest Method forTensile Properties of Fiber
1.4 This standard does not purport to address all of the
Reinforced Polymer Matrix Composite Bars
safety concerns, if any, associated with its use. It is the
D7705Test Method for Alkali Resistance of Fiber Rein-
responsibility of the user of this standard to establish appro-
forced Polymer (FRP) Matrix Composite Bars used in
priate safety and health practices and determine the applica-
Concrete Construction
bility of regulatory limitations prior to use.
E4Practices for Force Verification of Testing Machines
E6Terminology Relating to Methods of Mechanical Testing
2. Referenced Documents
E83Practice for Verification and Classification of Exten-
2
2.1 ASTM Standards:
someter Systems
A944Test Method for Comparing Bond Strength of Steel
E122PracticeforCalculatingSampleSizetoEstimate,With
Reinforcing Bars to Concrete Using Beam-End Speci-
Specified Precision, the Average for a Characteristic of a
mens
Lot or Process
C33/C33MSpecification for Concrete Aggregates
E456Terminology Relating to Quality and Statistics
C39/C39MTest Method for Compressive Strength of Cylin-
E1012Practice for Verification of Testing Frame and Speci-
drical Concrete Specimens
men Alignment Under Tensile and Compressive Axial
C143/C143MTest Method for Slump of Hydraulic-Cement
Force Application
Concrete
F2203TestMethodforLinearMeasurementUsingPrecision
C150/C150MSpecification for Portland Cement
Steel Rule
C192/C192MPracticeforMakingandCuringConcreteTest
3. Terminology
3.1 Terminology in D3878 defines terms relating to high
1
This test method is under the jurisdiction of ASTM Committee D30 on
modulus fibers and their composites. Terminology in D883
Composite Materials and is the direct responsibility of Subcommittee D30.10 on
defines terms relating to plastics. Terminology in E6 defines
Composites for Civil Structures.
terms relating to mechanical testing. Terminology in E456 and
Current edition approved Aug. 15, 2014. Published December 2014. DOI:
10.1520/D7913_D7913M-14
in Practice E122 define terms relating to statistics and the
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
selection of sample sizes. In the event of a conflict between
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
terms, Terminology in D3878 shall have precedence over the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. other terminology standards.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7913/D7913M − 14
3.2 Definitions of Terms Specific to This Standard: 3.3.13 Sc—elastic elongation
3.2.1 anchor, n—a protective device placed on one end of a
3.3.14 s —sample standard deviation
n-1
bar, between the bar and the grips of the tensile testing
3.3.15 x¯—sample mean
machine, to prevent grip-induced damage. Usually us
...

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5.1 This test method is intended to determine the bend strength of FRP composite concrete reinforcements, developed at a standard twelve bar diameters of embedment. From this test, a variety of data are acquired that are needed for design purposes. Material-related factors that influence the tensile response of bars include the following: constituent materials, void content, volume percent reinforcement, methods of fabrication, and fiber reinforcement architecture. Similarly, factors relevant to the measured tensile response of bars include specimen preparation, specimen conditioning, environment of testing, specimen alignment, and speed of testing. The results may be used for material specifications, research and development, and structural design and analysis.
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1.8 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.  
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SIGNIFICANCE AND USE
5.1 The behavior of the bond between concrete and FRP reinforcing bars is an important performance aspect that has been used in material specifications and design standards. This test method serves as a means for uniformly preparing specimens and testing FRP bar-to-concrete bond, and for providing a standard method to calculate, evaluate and report bond strength.  
5.2 This test method for measuring bond strength by pullout testing is intended for use in laboratory tests in which the principal variable is the size or type of FRP bars.  
Note 1: This test method should not be used to establish design bond values and development lengths for FRP bars embedded in concrete, as it does not represent the state of bond stress observed in concrete flexural members reinforced with FRP bars. See Test Method A944 for a beam-end test configuration, used for determining bond stress in steel bars.  
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1.1 This test method covers the determination of the bond strength of fiber-reinforced polymer (FRP) composite bars used as reinforcing bars or pre-stressing tendons in concrete.  
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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.  
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.

  • Technical specification
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  • Technical specification
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ASTM
ASTM D6390-23(Test Method)
Standard Test Method for Determination of Draindown Characteristics in Uncompacted Asphalt Mixtures

SIGNIFICANCE AND USE
5.1 This test method can be used to determine whether the amount of draindown measured for a given asphalt mixture is within specified acceptable levels. The test provides an evaluation of the draindown potential of an asphalt mixture during mixture design and/or during field production. This test is primarily used for mixtures with high coarse aggregate content such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).
Note 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 This test method covers the determination of the amount of draindown in an uncompacted asphalt mixture sample when the sample is held at elevated temperatures comparable to those encountered during the production, storage, transport, and placement of the mixture. The test is particularly applicable to mixtures such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of 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.  
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.

  • Standard
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  • Standard
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    English language
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