ASTM E2265-05
(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:E2265–05
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: combined—axial and shear loading applied
simultaneously (oblique loading).
1.1 This document provides standard terminology for an-
anchor loading: shear—load applied parallel to the surface of
chors and fasteners installed in structural members made of
the base material and perpendicular to the anchor’s longitu-
concrete or masonry.
dinal axis.
1.2 This terminology does not cover terms relating to the
anchor spacing—distance between anchors measured center-
mechanical properties of the materials used for fabricating
line to centerline.
anchors, nor does it cover their use.
attachment—structural element (fixture) external to the sur-
1.3 The terms are listed alphabetically. Compound terms
face of the base material, and which transmits loads to the
appear in the natural spoken order.
anchor.
2. Referenced Documents
base material—material in which anchor is installed, such as
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concrete or masonry.
2.1 ASTM Standards:
bond failure—failure mode characterized by loss of bond
E 488 Test Methods for Strength of Anchors in Concrete
either between the anchor and adhesive or between the
and Masonry Elements
adhesive and the base material.
E 631 Terminology of Building Constructions
cast-in-place anchor—anchor installed in formwork prior to
E 1190 Test Methods for Strength of Power-Actuated Fas-
placement of concrete.
teners Installed in Structural Members
characteristic value—the 5 % fractile (value with a 95 %
E 1512 TestMethodsforTestingAdhesive-BondedAnchors
probability of being exceeded, with a confidence of 90 %).
3. Terminology
clamping force—compression force transmitted to the base
material as a result of preload in the anchor.
adhesive-bonded anchor—anchor placed into a hole in the
concrete breakout failure—anchor failure mode character-
base material, and which derives its holding strength from a
ized by concrete cone failure or concrete edge failure.
chemical adhesive placed between the wall of the hole in the
connection—attachment of load-bearing element to concrete
base material and the embedded portion of the anchor.
or masonry base materials using anchors.
allowable load—capacity assigned to an anchor in accordance
critical edge distance—minimum anchor edge distance, mea-
with allowable-stress design procedures.
sured from the anchor centerline to the edge of the structural
anchor—cast-in-place or post-installed fastening device in-
member, at which the full anchor capacity can be obtained
stalled in the base material for the purpose of transferring
without concrete edge breakout failure or splitting failure.
loads to the base material.
critical spacing—minimum anchor spacing, measured center-
anchor loading: axial—load applied concentrically with the
line to centerline of the anchors, at which the full anchor
anchor longitudinal axis.
capacity can be obtained without influence from adjacent
anchor loading: bending—flexure induced in the anchor by
anchors.
application of a shear load at a distance from the surface of
cure time—the amount of time required for an adhesive
the base material.
anchor to develop its ultimate strength.
diamond core bit—non-percussion drill bit, usually utilizing a
hollow cylindrical pipe or tube with a diamond-impregnated
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This terminology is under the jurisdiction of ASTM Committee E06 on
matrix at the end that is used to drill in the base material.
Performance of Buildings and is the direct responsibility of Subcommittee E06.13
displacement—movement of anchor relative to the structural
on Structural Performance of Connections in Building Construction.
member. For tension tests, displacement is measured parallel
Current edition approved Mar. 1, 2005. Published March 2005. Originally
approved in 2003. Last previous approved in 2004 as E 2265 - 04.
to the anchor axis; for shear tests, displacement is measured
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
perpendicular to the anchor axis.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
displacement-controlled expansion anchor—a post-installed
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. anchor that derives its holding strength by expansion against
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