ASTM E564-06
(Practice)Standard Practice for Static Load Test for Shear Resistance of Framed Walls for Buildings
Standard Practice for Static Load Test for Shear Resistance of Framed Walls for Buildings
SCOPE
1.1 This practice describes methods for evaluating the shear capacity of a typical section of a framed wall, supported on a rigid foundation and having load applied in the plane of the wall along the edge opposite the rigid support and in a direction parallel to it. The objective is to provide a determination of the shear stiffness and strength of any structural light-frame wall configuration to be used as a shear-wall on a rigid support.
1.2 LimitationsThis practice is not intended to be used as a basis for classifying sheathing shear capacity or as an evaluation of combined flexure and shear resulting from the wall being loaded on a flexible foundation.
1.2.1 The effect of sheathing variations is assessed by holding all other variables constant. Permitted variations in framing configuration and boundary conditions, however, require accurate documentation of the test setup to validate across-study comparisons of sheathing contribution to wall shear capacity.
A wall tested on a flexible foundation is evaluated by comparing shear stiffness and strength results to those of an identical wall tested on a rigid foundation, following this practice. However, no methods are given for the measurement of wall bending displacements or assessment of stress distribution resulting from foundation flexure. Any extrapolation of wall racking behavior from the foundation conditions specified by this practice to flexible conditions shall be done with the support of a comparative test on a representative foundation.
1.3 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.
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Designation: E564 − 06
StandardPractice for
Static Load Test for Shear Resistance of Framed Walls for
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Buildings
This standard is issued under the fixed designation E564; 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 2. Referenced Documents
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1.1 Thispracticedescribesmethodsforevaluatingtheshear 2.1 ASTM Standards:
capacity of a typical section of a framed wall, supported on a E4Practices for Force Verification of Testing Machines
rigid foundation and having load applied in the plane of the E575Practice for Reporting Data from Structural Tests of
wallalongtheedgeoppositetherigidsupportandinadirection Building Constructions, Elements, Connections, and As-
parallel to it.The objective is to provide a determination of the semblies
shear stiffness and strength of any structural light-frame wall E631Terminology of Building Constructions
configuration to be used as a shear-wall on a rigid support.
3. Terminology
1.2 Limitations—This practice is not intended to be used as
3.1 For definitions of terms used in this standard, see
a basis for classifying sheathing shear capacity or as an
Terminology E631.
evaluation of combined flexure and shear resulting from the
3.2 Definitions of Terms Specific to This Standard: Defini-
wall being loaded on a flexible foundation.
tions:
1.2.1 The effect of sheathing variations is assessed by
3.2.1 racking—when applied to shear walls, refers to the
holding all other variables constant. Permitted variations in
tendency for a wall frame to distort from rectangular to
framing configuration and boundary conditions, however, re-
rhomboid under the action of an in-plane force applied parallel
quire accurate documentation of the test setup to validate
to the wall length.
across-study comparisons of sheathing contribution to wall
shear capacity.
3.2.2 shear wall—structural subassembly that acts as a
cantilever/diaphragm to transfer horizontal building loads to
NOTE 1—A wall tested on a flexible foundation is evaluated by
the foundation in the form of horizontal shear and an overturn-
comparing shear stiffness and strength results to those of an identical wall
testedonarigidfoundation,followingthispractice.However,nomethods
ing moment.
are given for the measurement of wall bending displacements or assess-
3.2.3 uplift—the vertical displacement measured at the
mentofstressdistributionresultingfromfoundationflexure.Anyextrapo-
loaded end stud with respect to the test apparatus.
lation of wall racking behavior from the foundation conditions specified
by this practice to flexible conditions shall be done with the support of a
3.3 Symbols:
comparative test on a representative foundation.
3.3.1 a—height of cantilevered shear wall, in metres (feet).
1.3 This standard does not purport to address all of the
3.3.2 b—length of cantilevered shear wall, in metres (feet).
safety concerns, if any, associated with its use. It is the
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responsibility of the user of this standard to establish appro- 3.3.3 C—initial length of the diagonal =a 1b , in metres
(feet).
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3.3.4 δ—diagonal elongation, in millimetres (inches).
3.3.5 ∆—totalhorizontaldisplacementofthetopofthewall
measured with respect to the test apparatus, in millimetres
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This practice is under the jurisdiction of ASTM Committee E06 on Perfor-
mance of Buildings and is the direct responsibility of Subcommittee E06.11 on
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Horizontal andVertical Structures/Structural Performance of Completed Structures. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Jan. 15, 2006. Published January 2006. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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approved in 1976. Last previous edition approved in 2000 as E564–00 . DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E0564-06. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E564 − 06
(inches). This value includes effects due to panel rotation, done by application of relevant gravity or other loadings
translation, and shear. simultaneously with the racking loads. The bottom of the
assembly shall be attached to the test base with anchorage
3.3.6 G'—global shear stiffness of the assembly, includes
connections simulating those that will be used in service. Load
rotation and translational displacements as well as diaphragm
distribution
...
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