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ASTM A951/A951M-06

(Specification)

Standard Specification for Steel Wire for Masonry Joint Reinforcement

Standard Specification for Steel Wire for Masonry Joint Reinforcement

ABSTRACT
Specification covers masonry joint reinforcements fabricated from cold-drawn steel wires. It specifies that joint reinforcement consists of longitudinal wires welded to cross wires. Wire used in the manufacture of masonry joint reinforcement shall be round. Masonry joint reinforcement shall then be assembled by automatic machines or by other suitable mechanical means that will assure accurate spacing and alignment of all members of the finished product. Longitudinal and cross wires shall be securely connected at every intersection by an electric-resistance welding process and then it shall be deformed. Tension, weld shear strength, and bend tests shall be performed on the samples. When corrosion protection of joint reinforcement has been provided, it shall be either zinc coated mill or hot-dip galvanized.
SCOPE
1.1 This specification covers masonry joint reinforcement fabricated from cold-drawn steel wire. Joint reinforcement consists of longitudinal wires welded to cross wires.
1.2 The values stated in inch-pound or SI units are to be regarded as standard. Within the text the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values may result in nonconformance with the specification.

General Information

Status
Historical
Publication Date
31-Aug-2006
ICS
91.080.30 - Masonry
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.05 - Steel Reinforcement
Current Stage
Ref Project

Relations

Replaces
ASTM A951-02 - Standard Specification for Masonry Joint Reinforcement
Effective Date
01-Sep-2006
Replaced By
ASTM A951/A951M-11 - Standard Specification for Steel Wire for Masonry Joint Reinforcement
Effective Date
01-Oct-2011

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ASTM A951/A951M-06 - Standard Specification for Steel Wire for Masonry Joint ReinforcementASTM A951/A951M-06 - Standard Specification for Steel Wire for Masonry Joint Reinforcement
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ASTM A951/A951M-06 - Standard Specification for Steel Wire for Masonry Joint Reinforcement
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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: A951/A951M – 06
Standard Specification for
1
Steel Wire for Masonry Joint Reinforcement
This standard is issued under the fixed designationA951/A951M; 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* 3.1.4 Wire size and wire specification,
3.1.5 Finish (see Section 6),
1.1 This specification covers masonry joint reinforcement
3.1.6 Packaging (see Section 12), and
fabricated from cold-drawn steel wire. Joint reinforcement
3.1.7 ASTM designation number and year of issue.
consists of longitudinal wires welded to cross wires.
1.2 The values stated in inch-pound or SI units are to be
4. Materials and Manufacture
regarded as standard. Within the text the inch-pound units are
4.1 Wire used in the manufacture of masonry joint rein-
shown in brackets. The values stated in each system are not
forcement shall be round and shaped and conform to the
exact equivalents; therefore, each system must be used inde-
applicable provisions of Specification A82/A82M or A580/
pendently of the other. Combining values may result in
A580M, Type 304, except as modified herein.
nonconformance with the specification.
4.2 Masonry joint reinforcement shall be assembled by
2. Referenced Documents automaticmachinesorbyothersuitablemechanicalmeansthat
2
will assure accurate spacing and alignment of all members of
2.1 ASTM Standards:
the finished product.
A82/A82M SpecificationforSteelWire,Plain,forConcrete
4.3 Longitudinal and cross wires shall be securely con-
Reinforcement
nected at every intersection by an electric-resistance welding
A152 Specification for Wrought Iron Rivets and Rivet
3
processthatincludesbothfusionweldingtogetherwithapplied
Rounds
pressure to join the materials.
A185/A185M Specification for Steel Welded Wire Rein-
4.4 Longitudinal wires shall be deformed. One set of two
forcement, Plain, for Concrete
deformations shall occur around the perimeter of the wire at a
A496/A496M Specification for Steel Wire, Deformed, for
maximum spacing of 0.7 times the diameter or width of the
Concrete Reinforcement
wire, but not less than eight sets per 25 mm [1 in.] of length.
A580/A580M Specification for Stainless Steel Wire
A641/A641M Specification for Zinc−Coated (Galvanized)
NOTE 1—Wire used for joint reinforcement is knurled to form defor-
Carbon Steel Wire
mations and as such it does not come under the deformation requirements
in Specification A496/A496M.
3. Ordering Information
5. Mechanical Requirements
3.1 It shall be the responsibility of the purchaser to specify
5.1 Tensile Properties—Wire used in the fabrication of
all requirements that are necessary for the manufacture and
masonry joint reinforcement shall conform to the requirements
deliveryofthewireunderthisspecification.Suchrequirements
of Table 1 based on nominal area of the wire.
to be considered include, but are not limited to, the following:
5.2 Tension Tests:
3.1.1 Quantity (metres [linear feet]),
5.2.1 Tension tests shall be made on individual wires cut
3.1.2 Type (truss, ladder),
from the finished product and tested either across or between
3.1.3 Width (nominal thickness of masonry wall),
the welds. No less than 50% shall be across welds.
5.2.2 Tensiontestsacrossaweldshallhavetheweldedjoint
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
located approximately at the center of the wire being tested.
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
5.2.3 Tensilestrengthshallbetheaverageoffourtestvalues
A01.05 on Steel Reinforcement.
Current edition approved Sept. 1, 2006. Published September 2006. Originally determinedbydividingthemaximumtestloadbythespecified
approved in 1996. Last previous edition approved in 2002 as A951–02. DOI:
nominal cross-sectional area of the wire.
10.1520/A0951_A0951M-06.
5.3 Reduction of Area—The ruptured section of the tensile
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
specimenismeasuredtodeterminethisproperty.Themeasure-
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
ment shall be made only when rupture has occurred at a
the ASTM website.
sufficient distance from the center of the weld to permit an
3
Withdrawn. The last approved version of this historical standard is referenced
on www.astm.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.
1

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Specification covers masonry joint reinforcements fabricated from cold-drawn steel wires. It specifies that joint reinforcement consists of longitudinal wires welded to cross wires. Wire used in the manufacture of masonry joint reinforcement shall be round. Masonry joint reinforcement shall then be assembled by automatic machines or by other suitable mechanical means that will assure accurate spacing and alignment of all members of the finished product. Longitudinal and cross wires shall be securely connected at every intersection by an electric-resistance welding process and then it shall be deformed. Tension, weld shear strength, and bend tests shall be performed on the samples. When corrosion protection of joint reinforcement has been provided, it shall be either zinc coated mill or hot-dip galvanized.
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1.1 This practice is intended to provide accepted procedures to designers and installers of cement-based adhered masonry veneer in residential and commercial construction. This information is meant to complement the specific installation instructions provided by manufacturers of cement-based adhered masonry veneers and recognized building codes, but is not meant to replace them. This practice does not address installation methods or techniques for all materials in the building envelope. This practice covers the installation of cement-based adhered masonry veneer units for application as adhered veneer to exterior and interior walls, columns, landscape structures and other structures suitable to receive adhered veneer. The units included in this practice are manufactured to meet the requirements of Specification C1670/C1670M or C1877. This practice is limited to the installation of units. This practice does not cover all flashing or moisture management requirements. Refer to the applicable building code and project documents for additional flashing and moisture management requirements.
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4.1 Masonry specimens are sometimes removed as part of an assessment of the condition of masonry construction. Such specimens are commonly prepared for shipment to a laboratory where the specimens are assessed with visual techniques, petrographic techniques, or standard test methods. The process of selecting, removing, and shipping the specimens can have an effect on test results. This practice provides procedures for selecting, removing, and shipping masonry specimens removed from existing construction.  
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ASTM C1531-22(Test Method)
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5.1 This test method provides a means of evaluating the horizontal in-plane shear behavior of mortar joints in existing unreinforced masonry assemblies (see Note 2).
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FIG. 1 Test Setup—Method A  
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FIG. 2 Test Setup—Method B  
1.1.3 Method C (with Flatjack Applying Horizontal Load)—For determining mortar joint shear strength index using an estimate of the normal compressive stress at the location of the test site, as shown in Fig. 3. Horizontal displacement of the test unit is generally not measured during this procedure.
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Standard Specification for Steel Wire for Masonry Joint Reinforcement

ABSTRACT
Specification covers masonry joint reinforcements fabricated from cold-drawn steel wires. It specifies that joint reinforcement consists of longitudinal wires welded to cross wires. Wire used in the manufacture of masonry joint reinforcement shall be round. Masonry joint reinforcement shall then be assembled by automatic machines or by other suitable mechanical means that will assure accurate spacing and alignment of all members of the finished product. Longitudinal and cross wires shall be securely connected at every intersection by an electric-resistance welding process and then it shall be deformed. Tension, weld shear strength, and bend tests shall be performed on the samples. When corrosion protection of joint reinforcement has been provided, it shall be either zinc coated mill or hot-dip galvanized.
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Standard Test Method for Evaluation of Water Leakage Performance of Masonry Wall Drainage Systems

SIGNIFICANCE AND USE
5.1 This test method is suitable for use on walls to determine the ability of masonry wall drainage systems to collect water penetrating the exterior wythe and to direct this water back to the exterior surface of the exterior wythe. Removal of a portion of the interior wall finishes is desirable to observe leakage into backup walls. Even with removal of interior finishes, in many cases it is not practical to observe surfaces behind spandrel beams, columns, or other obstructions. Potential areas where leakage may occur but that are not visible during the test shall be considered when interpreting the results of the test and shall be recorded in the report.  
5.2 This test method is suitable for use on mock-up walls to determine the performance of masonry wall drainage systems.  
5.3 This test method is suitable for evaluating the effectiveness of flashing repairs.
SCOPE
1.1 This test method describes a standard procedure for determining the ability of masonry wall drainage systems to collect water that penetrates the exterior masonry wythe during rainstorms and to direct this water back to the exterior surface of the wall.  
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1.3 This test method is not applicable to masonry barrier walls or other masonry walls that are designed without drainage zones behind the exterior wythe.  
1.4 This test method covers the application of the testing using either inch-pound or SI units. The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound 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 nonconformance with the standard.  
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Standard Test Method for Field Determination of Water Penetration of Masonry Wall Surfaces

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4.2 Excessive water penetration of masonry may degrade masonry wall performance with respect to thermal conductivity, durability, efflorescence, staining, corrosion of embedded metal items, and water leakage.  
4.3 This test may be used to measure the rate of surface water penetration for in-situ masonry and field mockups. Common applications of this method have been comparison of water penetration rates of walls before and after repairs, and testing the efficacy of coatings. Alternative procedures are also provided to simulate the effect of local climatology on water penetration of masonry wall surfaces.  
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