ASTM E1080-85

RHeprUodducedL!3Y GLOBAL ENGINEERING OOCUMENTS
5 n er rcense With ASTM
'
~fer;P,ht AStmerican !,ociety For Testing And Materials
eac reet, Phrladelph,a, Pennsylvania 19103
~mt, Designation: E 1080 - 85
AMERICAN SOCIETY FOR TESTING AND MATERIALS
1916 Race St., Philadelphia, Pa. 19103
Reprinled from the Annual Book of ASTM Standards, Copyright ASTM
11 nol hsted rn the current combined index, will appear in the next edition.
Standard Practice for
STATIC LOAD TESTING OF WOOD-FRAMED TRUSS
1
ASSEMBLIES
This standard _is issued under the fixed_ designation E I 080; the _n_umber immediately following the designation indicates the year of
ongmal adoption_ or. m the ~ase of revmon: the year of last rev1s1on. A number m parentheses indicates the year of last reapproval.
A superscnpt epsilon (,) md1cates an ed1tonal change smce the last revision or reapproval.
I. Scope are defined in Terminology E 63 I.
3.2 Descriptions of Terms Specific to This
1.1 This practice is intended for use in the
Standard:
testing of wood-truss assemblies fabricated from
3.2.1 truss-a coplanar system of structural
dimension lumber. other wood-based materials.
elements joined together at their ends, usually to
or composite trusses of metal and wood. Trusses
construct a series of triangles that form a stable
covered by this practice are generally used in
beam-like framework.
residential. light commercial, and agricultural
3.2.2 static load-a load or series ofloads that
construction. Either proof tests or tests to de­
are supported by or are applied to a structure so
struction may be conducted.
gradually that forces caused by change in mo­
1.2 Limitations-The use of this practice is
mentum of the load and structural elements can
not meant to be a substitute for good engineering
be neglected and all parts of the system at any
design and judgment, nor is it intended that this
instant are essentially in equilibrium.
practice be used for routine quality control test­
ing.
4. Summary of Practice
1.3 This standard may involve ha::.ardous ma­
4.1 This practice outlines the procedures to be
terials, operations, and equipment. This standard
followed in the selection and static l~ad testing
does not purport to address al/ q(the sq/ety prob­
of trussed rafters and similar roof and floor
lems associated with its use. It is the responsibil­
trusses fabricated from dimension lumber, lami­
ity the user of"this standard to establish appropri­
nated veneer lumber, similar wood-based mate­
ate safety and health practices and determine the
rials, or a combination of these materials includ­
applicability 1?f"regulatory limitations prior to use.
ing those with nonwood elements. The procedure
For specific hazard statements, see Section 6.
tells what to do. It does not tell the testing agency
how it is to be done. This leaves the selection of
2. Referenced Documents
the text fixture and loading medium to the dis­
2.1 ASTM Standards:
cretion of the testing agency. Materials selection,
D 2016 Test Methods for Moisture Content of
sampling, conditioning, fabrication, test proce­
2
Wood
dures, and report requirements are covered.
E J 96 Practice for Gravity Load Testing of
4.2 The following two types of tests may be
3
Floors and Flat Roofs
conducted using this practice:
E 575 Practice for Reporting Data from Struc­
4.2. I Proo( Tests-A proof test is frequently
tural Tests of Building Constructions, Ele­
ments, Connections, and Assemblies-'
' This practiee is under the jurisdiction of ASTM Commillee
E-6 on Performance of Building Constructions and is 1he direct
E 631 Terminology of Building Construc­
responsihility ,,f Suh,:mnmillce E06.1 I on Horizontal and Ver­
tions1
tical StructurL'S.
Current edition ap1mwed 0.:1. 25. 1985. Published June
1986.
3. Terminology
: .l11111111/ Book o(.-tST.\/ Standard,. Vol 04.09.
3.1 D('.(initions-Terms used in this practice · .-l11111wl /Jt1ok t1/ .-!SHI S1andard1·, Vol 04.07.

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E 1080
7. I. I New Designs-Trusses should be typical
made to provide assurance that the truss will
support a stated load or to determine the defor­ of intended production configuration and gen­
mations and structural response under a specified erally of the most critical span, load condition,
loading. design, and materials anticipated in service if the
4.2.2 Test to Failure-In testing to failure, tests are to be used to qualify a "family" of trusses
using the same sizes, species, and grades of lum­
more detailed information such as ultimate load
carrying capacity, total load-deflection history, ber. Trusses fabricated for test as part of a re­
search program may not necessarily be repre­
yield point, connection performance, factor of
safety, etc., is generally desired. sentative of anticipated production trusses.
4.2.3 If desired, either type of test may be 7 .1.2 Commerciall_v Produced Trusses­
extended to include a determination
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