ASTM A951-02

Standard Specification for Masonry Joint Reinforcement

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 units are to be regarded as the standard. The values given in parentheses are for information only.

General Information

• Status: Historical
• Publication Date: 09-Nov-2002
• ICS: 91.080.30 - Masonry
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.05 - Steel Reinforcement

Relations

• Replaces: ASTM A951-00 - Standard Specification for Masonry Joint Reinforcement
• Effective Date: 10-Nov-2002
• Replaced By: ASTM A951/A951M-06 - Standard Specification for Steel Wire for Masonry Joint Reinforcement
• Effective Date: 01-Sep-2006

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A 951 – 02
Standard Specification for
1
Masonry Joint Reinforcement
This standard is issued under the fixed designation A 951; 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 (e) indicates an editorial change since the last revision or reapproval.
A 82–_______, hot-dip galvanized to ASTM A 153 – _______, conform-
1. Scope*
ing to ASTM A 951 – _______.
1.1 This specification covers masonry joint reinforcement
fabricated from cold drawn steel wire. Joint reinforcement
4. Materials and Manufacture
consists of longitudinal wires welded to cross wires.
4.1 Wire used in the manufacture of masonry joint rein-
1.2 The values stated in inch-pound units are to be regarded
forcement shall be round and shaped and conform to the
as the standard. The values given in parentheses are for
applicable provisions of Specification A 82 or A 580, Type
information only.
304, except as modified herein.
4.2 Masonry joint reinforcement shall be assembled by
2. Referenced Documents
automaticmachinesorbyothersuitablemechanicalmeansthat
2.1 ASTM Standards:
will assure accurate spacing and alignment of all members of
A 82 Specification for Steel Wire, Plain, for Concrete Re-
the finished product.
2
inforcement
4.3 Longitudinal and cross wires shall be securely con-
A 153/A 153M Specification for Zinc Coating (Hot-Dip) on
nected at every intersection by an electric-resistance welding
3
Iron and Steel Hardware
processthatincludesbothfusionweldingtogetherwithapplied
A 185 SpecificationforSteelWeldedWireFabric,Plain,for
pressure to join the materials.
2
Concrete Reinforcement
4.4 Longitudinal wires shall be deformed. One set of two
A 496 Specification for Steel Wire, Deformed, for Concrete
deformations shall occur around the perimeter of the wire at a
2
Reinforcement
maximum spacing of 0.7 times the diameter or width of the
A 580/A 580M Specification for Stainless and Heat-
wire, but not less than eight sets per inch (25 mm) of length.
4
Resisting Steel Wire
NOTE 2—Wire used for joint reinforcement is knurled to form defor-
A 641/A 641M Specification for Zinc-Coated (Galvanized)
3
mations and as such it does not come under the deformation requirements
Carbon Steel Wire
in Specification A 496.
3. Ordering Information
5. Mechanical Requirements
3.1 Orders for material to this specification should include
5.1 Tensile Properties—Wire used in the fabrication of
the following information:
masonry joint reinforcement shall conform to the requirements
3.1.1 Quantity (linear feet) (metres),
of Table 1 based on nominal area of the wire.
3.1.2 Type (truss, ladder),
5.2 Tension Tests:
3.1.3 Width (nominal thickness of masonry wall),
5.2.1 Tension tests shall be made on individual wires cut
3.1.4 Wire size and wire specification,
from the finished product and tested either across or between
3.1.5 Finish (see Section 6),
the welds. No less than 50 % shall be across welds.
3.1.6 Packaging (see Section 12), and
5.2.2 Tension tests across a weld shall have the welded joint
3.1.7 ASTM designation number and year of issue.
located approximately at the center of the wire being tested.
NOTE 1—A typical ordering description is as follows:
5.2.3 Tensilestrengthshallbetheaverageoffourtestvalues
10 000 ft joint reinforcement, No. 8 standard (W1.7) truss, wire toASTM
determined by dividing the maximum test load by the specified
nominal cross-sectional area of the wire.
5.3 Reduction of Area—The ruptured section of the tensile
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
specimen is measured to determine this property.The measure-
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
A01.05 on Steel Reinforcement. ment shall be made only when rupture has occurred at a
Current edition approved Nov 10, 2002. Published June 2003. Originally
sufficient distance from the center of the weld to permit an
published as A 951 – 96. Last previous edition A 951 – 98 (2001).
accurate measurement of the fractured section. Additional
2
Annual Book of ASTM Standards, Vol 01.04.
3
testing is permitted when a suitable ruptured section is not
Annual Book of ASTM Standards, Vol 01.06.
4
Annual Book of ASTM Standards, Vol 01.03.
*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 ----------------------
A951–02
TABLE 1 Tension Test Requirements
7.3 Width—The width of joint reinforcement is defined as
Tensile strength, min, ksi (MPa) 80 the out-to-out distance of outside longitudinal wires. Width
(550)
1
shall not vary by more t
...