ASTM D2523-13
(Practice)Standard Practice for Testing Load-Strain Properties of Roofing Membranes
Standard Practice for Testing Load-Strain Properties of Roofing Membranes
SIGNIFICANCE AND USE
4.1 This practice is designed to aid those interested in the engineering properties of roofing membranes.
4.2 The data obtained will not permit prediction of the service life of a membrane under field conditions. The data will provide a basis for study of the mechanical properties of the membrane. Note that if strain rates, specimen dimensions, initial clear distance between clamps, or temperatures and moisture contents are varied, the data may not be strictly comparable.
SCOPE
1.1 This practice is a guide for determining the load-strain properties of roofing membranes and their components at various temperatures. Test specimens may be prepared in the laboratory or cut from samples obtained in the field.
1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units 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
Relations
Buy Standard
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D2523 −13
Standard Practice for
1
Testing Load-Strain Properties of Roofing Membranes
This standard is issued under the fixed designation D2523; 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 provide a basis for study of the mechanical properties of the
membrane. Note that if strain rates, specimen dimensions,
1.1 This practice is a guide for determining the load-strain
initial clear distance between clamps, or temperatures and
properties of roofing membranes and their components at
moisture contents are varied, the data may not be strictly
various temperatures. Test specimens may be prepared in the
comparable.
laboratory or cut from samples obtained in the field.
5. Sampling
1.2 The values stated in SI units are to be regarded as the
standard. The inch-pound units given in parentheses are for
5.1 Take field membrane sample at least 100 by 250 mm (4
information only.
by 10 in.) in accordance with good roofing practices. In cases
where field-applied aggregate is in place, remove it with a
1.3 This standard does not purport to address all of the
scraper such as a heated putty knife.
safety concerns, if any, associated with its use. It is the
5.1.1 Samplethoseareasofthemembranethatareexpected
responsibility of the user of this standard to establish appro-
to represent the extremes in load/strain characteristics.
priate safety and health practices and determine the applica-
5.1.2 At least one sample is required for each test tempera-
bility of regulatory limitations prior to use.
ture at which it is desired to determine load/strain properties.
2. Referenced Documents
5.2 Prepare laboratory samples at least 200 by 300 mm (8
2
2.1 ASTM Standards:
by 12 in.) in strict accordance with the roofing specification
D95Test Method for Water in Petroleum Products and
being tested. Observe all cautions specified, such as not
Bituminous Materials by Distillation
overheating the bitumen. Do not oven condition any of the
D412TestMethodsforVulcanizedRubberandThermoplas-
components or the final sample.
tic Elastomers—Tension
5.2.1 Select those areas of the membrane that are expected
E178Practice for Dealing With Outlying Observations
to represent the extremes in load-strain characteristics. Prepare
at least one sample of each type for each proposed test
3. Terminology
temperature. If there is any doubt about these areas, include all
possible variations. The samples must be uniform in cross
3.1 Definitions of Terms Specific to This Standard:
3.1.1 roofing membrane—that part of the roofing system section.
5.2.2 Select materials at random when possible. Compo-
whoseprimaryfunctionistoexcludewater;itdoesnotinclude
field-applied aggregate. nents should be conditioned at 50 6 5% relative humidity and
25 6 2.5°C (77 6 4.5°F) for 24 h prior to constructing
4. Significance and Use
samples.
5.2.3 The quantity of material in any layer should be within
4.1 This practice is designed to aid those interested in the
610%, and the entire sample should be within 65% of the
engineering properties of roofing membranes.
quantities specified.
4.2 The data obtained will not permit prediction of the
servicelifeofamembraneunderfieldconditions.Thedatawill
6. Test Specimens
6.1 Condition the samples at room temperature at 50 65%
relative humidity for a minimum of 16 h for non-solvent-
1
ThispracticeisunderthejurisdictionofASTMCommitteeD08onRoofingand
Waterproofing and is the direct responsibility of Subcommittee D08.20 on Roofing containing membranes, and until constant mass has been
Membrane Systems.
reached for solvent-containing membranes.
Current edition approved June 15, 2013. Published July 2013. Originally
6.2 Die-cut three tension test specimens from each sample.
approved in 1966. Last previous edition approved in 2006 as D2523–00 (2006).
DOI: 10.1520/D2523-13.
Theshapeofthespecimensformembraneswithlessthan50%
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ultimate elongation is shown in Fig. 1. Where the membrane
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
hasanultimateelongationgreaterthan50%,useDieCofTest
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Methods D412.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D2523−13
7.5 Usearateofelongationof500mm/min(20in./min)for
membranes whose ultimate elongation exceeds 50%.
7.6 Measure the elongation of dumbbell specimens as the
change in distance between refere
...
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: D2523 − 00 (Reapproved 2006) D2523 − 13
Standard Practice for
1
Testing Load-Strain Properties of Roofing Membranes
This standard is issued under the fixed designation D2523; 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 practice is a guide for determining the load-strain properties of roofing membranes and their components at various
temperatures. Test specimens may be prepared in the laboratory or cut from samples obtained in the field.
1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D95 Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers—Tension
E178 Practice for Dealing With Outlying Observations
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 roofing membrane—that part of the roofing system whose primary function is to exclude water; it does not include
field-applied aggregate.
4. Significance and Use
4.1 This practice is designed to aid those interested in the engineering properties of roofing membranes.
4.2 The data obtained will not permit prediction of the service life of a membrane under field conditions. The data will provide
a basis for study of the mechanical properties of the membrane. Note that if strain rates, specimen dimensions, initial clear distance
between clamps, or temperatures and moisture contents are varied, the data may not be strictly comparable.
5. Sampling
5.1 Take field membrane sample at least 100 by 250 mm (4 by 10 in.) in accordance with good roofing practices. In cases where
field-applied aggregate is in place, remove it with a scraper such as a heated putty knife.
5.1.1 Sample those areas of the membrane that are expected to represent the extremes in load/strain characteristics.
5.1.2 At least one sample is required for each test temperature at which it is desired to determine load/strain properties.
5.2 Prepare laboratory samples at least 100200 by 250300 mm (4(8 by 1012 in.) in strict accordance with the roofing
specification being tested. Observe all cautions specified, such as not overheating the bitumen. Do not oven condition any of the
components or the final sample.
5.2.1 Select those areas of the membrane that are expected to represent the extremes in load-strain characteristics. Prepare at
least one sample of each type for each proposed test temperature. If there is any doubt about these areas, include all possible
variations. The samples must be uniform in cross section.
1
This practice is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.20 on Roofing
Membrane Systems.
Current edition approved May 1, 2006June 15, 2013. Published May 2006July 2013. Originally approved in 1966. Last previous edition approved in 20002006 as
D2523 – 00.D2523 – 00 (2006). DOI: 10.1520/D2523-00R06.10.1520/D2523-13.
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D2523 − 13
5.2.2 Select materials at random when possible. Components should be conditioned at 50 6 5 % relative humidity and 25 6
2.5°C (77 6 4.5°F) for 24 h prior to constructing samples.
5.2.3 The quantity of material in any layer should be within 610 %, and the entire sample should be within 65 % of the
quantities specified.
6. Test Specimens
6.1 Condition the samples at room temperature at 50 6 5 % relative humidity for a minimum of 16 h for non-solvent-containing
membranes, and until constant mass has been reached for solvent-containing membranes
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.