ASTM E2265-04a
(Terminology)Standard Terminology for Anchors and Fasteners in Concrete and Masonry
Standard Terminology for Anchors and Fasteners in Concrete and Masonry
SCOPE
1.1 This document provides standard terminology for anchors and fasteners installed in structural members made of concrete or masonry.
1.2 This terminology does not cover terms relating to the mechanical properties of the materials used for fabricating anchors, nor does it cover their use.
1.3 The terms are listed alphabetically. Compound terms appear in the natural spoken order.
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An American National Standard
Designation:E2265–04a
Standard Terminology for
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Anchors and Fasteners in Concrete and Masonry
This standard is issued under the fixed designation E 2265; 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.
1. Scope anchor loading: shear—load applied parallel to the surface of
the base material and perpendicular to the anchor’s longitu-
1.1 This document provides standard terminology for an-
dinal axis.
chors and fasteners installed in structural members made of
anchor spacing—distance between anchors measured center-
concrete or masonry.
line to centerline.
1.2 This terminology does not cover terms relating to the
attachment—structural element (fixture) external to the sur-
mechanical properties of the materials used for fabricating
face of the base material, and which transmits loads to the
anchors, nor does it cover their use.
anchor.
1.3 The terms are listed alphabetically. Compound terms
base material—material in which anchor is installed, such as
appear in the natural spoken order.
concrete or masonry.
2. Referenced Documents
bond failure—failure mode characterized by loss of bond
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either between the anchor and adhesive or between the
2.1 ASTM Standards:
adhesive and the base material.
E 488 Test Methods for Strength of Anchors in Concrete
cast-in-place anchor—anchor installed in formwork prior to
and Masonry Elements
placement of concrete.
E 631 Terminology of Building Constructions
characteristic value—the 5 % fractile (value with a 95 %
E 1190 Test Methods for Strength of Power-Actuated Fas-
probability of being exceeded, with a confidence of 90 %).
teners Installed in Structural Members
clamping force—compression force transmitted to the base
E 1512 TestMethodsforTestingAdhesive-BondedAnchors
material as a result of preload in the anchor.
3. Terminology
connection—attachment of load-bearing element to concrete
or masonry base materials using anchors.
adhesive-bonded anchor—anchor placed into a hole in the
critical edge distance—minimum anchor edge distance, mea-
base material, and which derives its holding strength from a
sured from the anchor centerline to the edge of the structural
chemical adhesive placed between the wall of the hole in the
member, at which the full anchor capacity can be obtained
base material and the embedded portion of the anchor.
without concrete edge breakout failure or splitting failure.
anchor—cast-in-place or post-installed fastening device in-
critical spacing—minimum anchor spacing, measured center-
stalled in the base material for the purpose of transferring
line to centerline of the anchors, at which the full anchor
loads to the base material.
capacity can be obtained without influence from adjacent
anchor loading: axial—load applied concentrically with the
anchors.
anchor longitudinal axis.
cure time—the amount of time required for an adhesive
anchor loading: bending—flexure induced in the anchor by
anchor to develop its ultimate strength.
application of a shear load at a distance from the surface of
diamond core bit—non-percussion drill bit, usually utilizing a
the base material.
hollow cylindrical pipe or tube with a diamond-impregnated
anchor loading: combined—axial and shear loading applied
matrix at the end that is used to drill in the base material.
simultaneously (oblique loading).
displacement—movement of anchor relative to the structural
member. For tension tests, displacement is measured parallel
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to the anchor axis; for shear tests, displacement is measured
This terminology is under the jurisdiction of ASTM Committee E06 on
Performance of Buildings and is the direct responsibility of Subcommittee E06.13
perpendicular to the anchor axis.
on Structural Performance of Connections in Building Construction.
displacement-controlled expansion anchor—a post-installed
Current edition approved Sept. 1, 2004. Published September 2004. Originally
anchor that derives its holding strength by expansion against
approved in 2003. Last previous approved in 2004 as E 2265 – 04.
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the side of the drilled hole through movement of an internal
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
plug in the sleeve or through movement of the sleeve over an
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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E2265–04a
expansion element
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