ASTM E761-92(2005)
(Test Method)Standard Test Method for Compressive Strength of Sprayed Fire-Resistive Material Applied to Structural Members
Standard Test Method for Compressive Strength of Sprayed Fire-Resistive Material Applied to Structural Members
SIGNIFICANCE AND USE
The intent of this test method is to determine properties of direct-applied SFRM that may be used to provide an indication of serviceability. Satisfactory performance of fire-resistive material applied to structural members and assemblies depends upon its ability while in place to withstand the various influences that may occur during the life of the structure, as well as upon its satisfactory performance under fire tests.
This test method measures the compressive strength of SFRM and is a measure of the resistance to deformation under a compressive load. It is an indication of the ability of SFRM to remain in place and resist removal during anticipated service conditions.
SCOPE
1.1 This test method covers a procedure for measuring the compressive strength of sprayed fire-resistive material (SFRM) applied to a rigid substrate. These fire-resistive materials include sprayed fibrous and cementitious materials applied directly in contact with these structural members. The test method is applicable to laboratory procedure.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:E761–92 (Reapproved 2005)
Standard Test Method for
Compressive Strength of Sprayed Fire-Resistive Material
Applied to Structural Members
This standard is issued under the fixed designation E761; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope E119 Test Methods for Fire Tests of Building Construction
and Materials
1.1 This test method covers a procedure for measuring the
E605 Test Methods for Thickness and Density of Sprayed
compressive strength of sprayed fire-resistive material (SFRM)
Fire-Resistive Material (SFRM) Applied to Structural
applied to a rigid substrate. These fire-resistive materials
Members
include sprayed fibrous and cementitious materials applied
directly in contact with these structural members. The test
3. Summary of Test Method
method is applicable to laboratory procedure.
3.1 The compressive strength of SFRM applied to a steel
1.2 The values stated in SI units are to be regarded as the
sheet is determined by applying a crushing load normal to the
standard. The values given in parentheses are for information
surface of the specimen. This test method measures the stress
only.
at 10 % deformation or at failure, whichever is smaller.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Significance and Use
responsibility of the user of this standard to establish appro-
4.1 The intent of this test method is to determine properties
priate safety and health practices and determine the applica-
of direct-applied SFRM that may be used to provide an
bility of regulatory limitations prior to use.
indication of serviceability. Satisfactory performance of fire-
2. Referenced Documents resistive material applied to structural members and assemblies
2 depends upon its ability while in place to withstand the various
2.1 ASTM Standards:
influences that may occur during the life of the structure, as
D2092 Guide for Preparation of Zinc-Coated (Galvanized)
3 well as upon its satisfactory performance under fire tests.
Steel Surfaces for Painting
4.2 This test method measures the compressive strength of
E84 Test Method for Surface Burning Characteristics of
SFRM and is a measure of the resistance to deformation under
Building Materials
a compressive load. It is an indication of the ability of SFRM
to remain in place and resist removal during anticipated service
conditions.
This test method is under the jurisdiction of ASTM Committee E06 on
Performance of Buildings and is the direct responsibility of Subcommittee E06.21
5. Apparatus
on Serviceability.
Current edition approved May 1, 2005. Published May 2005. Originally
5.1 Testing Machine—Any form of standard hydraulic or
approved in 1980. Last previous edition approved in 2000 as E761 – 92 (2000).
mechanical compression testing machine accurate to 0.005 kg
DOI: 10.1520/E0761-92R05.
(0.01 lb) and 0.25 mm (0.001 in.).
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
5.2 Spherical Bearing Block Assembly, having a plane
Standards volume information, refer to the standard’s Document Summary page on
bearing surface of 150 mm (6 in.) square. The upper bearing
the ASTM website.
shall be a spherically seated, hardened metal block firmly
Withdrawn. The last approved version of this historical standard is referenced
on www.astm.org. attached at the center of the upper head of the machine. The
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E761–92 (2005)
center of the sphere shall lie at the center of the surface held in 7.4 Testing may be performed after it has been determined
its spherical seat, but shall be free to turn in any direction, and that the specimen has reached constant weight.
its perimeter shall have at least 6-mm ( ⁄4-in.) clearance from
7.5 Where necessary, even the surface of the specimen at
the head to allow for specimens whose bearing surfaces are not
two areas 150 mm (6 in.) square at opposite ends of the
exactly parallel (see Fig. 1).
specimen with an appropriate capping material such as poly-
5.3 Drying Oven, capable of maintaining temperature and
urethane, epoxy, polyester, or other similar materials. The top
...
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