ASTM D5516-18
(Test Method)Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
SIGNIFICANCE AND USE
5.1 The flexural properties evaluated by this test method are intended to provide any one or all of the following:
5.1.1 Data on the comparative effects of fire-retardant chemical formulations and environmental conditions on the flexural properties of plywood.
5.1.2 Data for use in developing modification factors for the allowable design properties of treated plywood when exposed to elevated temperatures and humidities.
5.1.3 Data comparing variables, such as other plywood species and dimensions.
5.2 Results obtained from tests conducted and analyzed in accordance with the procedures of this test method are suitable for use with other information to establish recommended roof sheathing spans for fire-retardant treated plywood.
Note 1: Temperatures lower than the test temperature specified in this test method and the cumulative effects of the elevated temperatures and humidity exposures expected to be encountered in service should be taken into account when recommended roof sheathing spans are established.
Note 2: Practice D6305 can be used to extend the laboratory strength data obtained by this test method to design value recommendations. The test data determined by this test method are used to develop adjustment factors for fire-retardant treatments to apply to untreated plywood design values. The test data are used in conjunction with climate models and other factors.
SCOPE
1.1 This test method is designed to determine the effect of exposure to high temperatures and humidities on the flexure properties of fire-retardant treated softwood plywood. In this test method, plywood is exposed to a temperature of 77°C (170°F).
1.2 The purpose of the test method is to compare the flexural properties of fire-retardant treated plywood relative to untreated plywood. The results of tests conducted in accordance with this test method provide a reference point for estimating strength temperature relationships. This test method is intended to provide an accelerated test at elevated temperatures and controlled humidities of plywood sheathing treated with the same chemical formulation(s) and processing conditions as plywood used commercially.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D5516 − 18
Standard Test Method for
Evaluating the Flexural Properties of Fire-Retardant Treated
1
Softwood Plywood Exposed to Elevated Temperatures
This standard is issued under the fixed designation D5516; 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.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This test method is designed to determine the effect of
exposure to high temperatures and humidities on the flexure
2. Referenced Documents
properties of fire-retardant treated softwood plywood. In this
2
2.1 ASTM Standards:
test method, plywood is exposed to a temperature of 77°C
D9 Terminology Relating to Wood and Wood-Based Prod-
(170°F).
ucts
1.2 The purpose of the test method is to compare the
D1165 Nomenclature of Commercial Hardwoods and Soft-
flexural properties of fire-retardant treated plywood relative to
woods
untreated plywood. The results of tests conducted in accor-
D2915 Practice for Sampling and Data-Analysis for Struc-
dance with this test method provide a reference point for
tural Wood and Wood-Based Products
estimating strength temperature relationships.This test method
D3043 Test Methods for Structural Panels in Flexure
is intended to provide an accelerated test at elevated tempera-
D4933 Guide for Moisture Conditioning of Wood and
tures and controlled humidities of plywood sheathing treated
Wood-Based Materials
with the same chemical formulation(s) and processing condi-
D6305 Practice for Calculating Bending Strength Design
tions as plywood used commercially.
Adjustment Factors for Fire-Retardant-Treated Plywood
Roof Sheathing
1.3 The values stated in SI units are to be regarded as
E84 Test Method for Surface Burning Characteristics of
standard. The values given in parentheses are mathematical
Building Materials
conversions to inch-pound units that are provided for informa-
E176 Terminology of Fire Standards
tion only and are not considered standard.
E2768 Test Method for Extended Duration Surface Burning
1.4 This standard does not purport to address all of the
CharacteristicsofBuildingMaterials(30minTunnelTest)
safety concerns, if any, associated with its use. It is the
2.2 Other Standards:
responsibility of the user of this standard to establish appro-
AWPA C-27 Plywood-Fire Retardant Treatment by Pressure
priate safety, health, and environmental practices and deter-
3
Processes
mine the applicability of regulatory limitations prior to use.
AWPA U1 Use Category System: User Specification for
1.5 This international standard was developed in accor-
3
Treated Wood
dance with internationally recognized principles on standard-
NFPA 703 Standard for Fire Retardant Impregnated Wood
ization established in the Decision on Principles for the
4
and Fire Retardant Coatings for Building Materials
Development of International Standards, Guides and Recom-
2
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
1
This test method is under the jurisdiction of ASTM Committee D07 on Wood Standards volume information, refer to the standard’s Document Summary page on
and is the direct responsibility of Subcommittee D07.07 on Fire Performance of the ASTM website.
3
Wood. Available from American Wood Protection Association (AWPA), P.O. Box
Current edition approved June 1, 2018. Published August 2018. Originally 361784, Birmingham, AL 35236-1784, http://www.awpa.com.
4
approved in 1991 as ES 20 – 91. Last previous edition approved in 2017 as Available from National Fire Protection Association (NFPA), 1 Batterymarch
D5516 – 17. DOI: 10.1520/D5516-18. Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5516 − 18
5
test data determined by this test method are used to develop adjustment
Voluntary Product Standard PS1 Structural Plywood
factors for fire-retardant treatments to apply to untreated plywood design
Voluntary Product Standard PS2 Performance Standard for
values. The test data are used in conjunction with climate models and
5
Wood-Based Structural Use Panels
other factors.
3. Terminology
6. Test Specimens
3.1 Definitions—Definitions used in this test method are in
6.1 Material Selection:
accordance with Terminologie
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D5516 − 17 D5516 − 18
Standard Test Method for
Evaluating the Flexural Properties of Fire-Retardant Treated
1
Softwood Plywood Exposed to Elevated Temperatures
This standard is issued under the fixed designation D5516; 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.
1. Scope
1.1 This test method is designed to determine the effect of exposure to high temperatures and humidities on the flexure
properties of fire-retardant treated softwood plywood. In this test method, plywood is exposed to a temperature of 77°C (170°F).
1.2 The purpose of the test method is to compare the flexural properties of fire-retardant treated plywood relative to untreated
plywood. The results of tests conducted in accordance with this test method provide a reference point for estimating strength
temperature relationships. This test method is intended to provide an accelerated test at elevated temperatures and controlled
humidities of plywood sheathing treated with the same chemical formulation(s) and processing conditions as plywood used
commercially.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions
to inch-pound units that are provided for information only and are not considered standard.
1.4 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D9 Terminology Relating to Wood and Wood-Based Products
D1165 Nomenclature of Commercial Hardwoods and Softwoods
D2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products
D3043 Test Methods for Structural Panels in Flexure
D4933 Guide for Moisture Conditioning of Wood and Wood-Based Materials
D6305 Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood Roof
Sheathing
E84 Test Method for Surface Burning Characteristics of Building Materials
E176 Terminology of Fire Standards
E2768 Test Method for Extended Duration Surface Burning Characteristics of Building Materials (30 min Tunnel Test)
2.2 Other Standards:
3
AWPA C-27 Plywood-Fire Retardant Treatment by Pressure Processes
3
AWPA U1 Use Category System: User Specification for Treated Wood
4
NFPA 703 Standard for Fire Retardant Impregnated Wood and Fire Retardant Coatings for Building Materials
1
This test method is under the jurisdiction of ASTM Committee D07 on Wood and is the direct responsibility of Subcommittee D07.07 on Fire Performance of Wood.
Current edition approved April 15, 2017June 1, 2018. Published June 2017August 2018. Originally approved in 1991 as ES 20 – 91. Last previous edition approved in
20092017 as D5516 – 09.D5516 – 17. DOI: 10.1520/D5516-17.10.1520/D5516-18.
2
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Wood Protection Association (AWPA), P.O. Box 361784, Birmingham, AL 35236-1784, http://www.awpa.com.
4
Available from National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D5516 − 18
5
PS 1Voluntary Product Standard U.S. Product Standard for PS1 Structural Plywood
5
PS 2Voluntary Product Standard U.S. ProductPS2 Performance Standard for Wood-Based Structural Use Panels
3. Terminology
3.1 Definitions—Definitions used in this test method are in accordance with Terminologies D9 and E176 and Nomenclature
D1165.
3.2
...
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