Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference

SIGNIFICANCE AND USE
5.1 This test method is a standard procedure for determining structural performance under uniform static air pressure difference. This typically is intended to represent the effects of a wind load on exterior building surface elements. The actual loading on building surfaces is quite complex, varying with wind direction, time, height above ground, building shape, terrain, surrounding structures, and other factors. The resistance of many windows, curtain walls, and door assemblies to wind loading is also complex and depends on the complete history of load, magnitude, duration, and repetition. These factors are discussed in ASCE/SEI 7 and in the literature (1-8).5  
5.2 Design wind velocities are selected for particular geographic locations and probabilities of occurrence based on data from wind velocity maps such as are provided in ASCE/SEI 7. These wind velocities are translated into uniform static air pressure differences and durations acting inward and outward. Complexities of wind pressures, as related to building design, wind intensity versus duration, frequency of occurrence, and other factors must be considered. Superimposed on sustained winds are gusting winds which, for short periods of time from a fraction of a second to a few seconds, are capable of moving at considerably higher velocities than the sustained winds. The analytical procedures in ASCE/SEI 7, wind tunnel studies, computer simulations, and model analyses are helpful in determining the appropriate design wind loads on exterior surface elements of buildings. Generally, wind load durations obtained from ASCE/SEI 7 are 2 s to 10 s and are dependent upon the specific time reference employed in determining the pressure coefficients.  
5.3 Some materials have strength or deflection characteristics that are time dependent. Therefore, the duration of the applied test load may have a significant impact on the performance of materials used in the test specimen. The most common examples of materials with...
SCOPE
1.1 This test method describes the determination of the structural performance of exterior windows, doors, skylights, and curtain walls under uniform static air pressure differences, using a test chamber. This test method is applicable to curtain wall assemblies including, but not limited to, metal, glass, masonry, and stone components.2  
1.2 This test method is intended only for evaluating the structural performance associated with the specified test specimen and not the structural performance of adjacent construction.  
1.3 The proper use of this test method requires a knowledge of the principles of pressure and deflection measurement.  
1.4 This test method describes the apparatus and the procedure to be used for applying uniformly distributed test loads to a specimen.  
1.4.1 Procedure A (see 11.2) shall be used when a load-deflection curve is not required.  
1.4.2 Procedure B (see 11.3) shall be used when a load-deflection curve is required.  
1.5 The text of this standard references notes and footnotes which provide explanatory materials. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.7 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. For specific hazard statements, see Section 7.  
1.8 This international standard was developed in accordance with int...

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14-Oct-2021
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ASTM E330/E330M-14(2021) - Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference
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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: E330/E330M − 14 (Reapproved 2021)
Standard Test Method for
Structural Performance of Exterior Windows, Doors,
Skylights and Curtain Walls by Uniform Static Air Pressure
1
Difference
This standard is issued under the fixed designation E330/E330M; 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 U.S. Department of Defense.
1. Scope used independently of the other, and values from the two
systems shall not be combined.
1.1 This test method describes the determination of the
1.7 This standard does not purport to address all of the
structural performance of exterior windows, doors, skylights,
safety concerns, if any, associated with its use. It is the
and curtain walls under uniform static air pressure differences,
responsibility of the user of this standard to establish appro-
using a test chamber. This test method is applicable to curtain
priate safety, health, and environmental practices and deter-
wall assemblies including, but not limited to, metal, glass,
2
mine the applicability of regulatory limitations prior to use.
masonry, and stone components.
For specific hazard statements, see Section 7.
1.2 This test method is intended only for evaluating the
1.8 This international standard was developed in accor-
structural performance associated with the specified test speci-
dance with internationally recognized principles on standard-
men and not the structural performance of adjacent construc-
ization established in the Decision on Principles for the
tion.
Development of International Standards, Guides and Recom-
1.3 The proper use of this test method requires a knowledge
mendations issued by the World Trade Organization Technical
of the principles of pressure and deflection measurement. Barriers to Trade (TBT) Committee.
1.4 This test method describes the apparatus and the proce-
2. Referenced Documents
dure to be used for applying uniformly distributed test loads to
3
2.1 ASTM Standards:
a specimen.
E631 Terminology of Building Constructions
1.4.1 Procedure A (see 11.2) shall be used when a load-
E997 Test Method for Evaluating Glass Breakage Probabil-
deflection curve is not required.
ity Under the Influence of Uniform Static Loads by Proof
1.4.2 Procedure B (see 11.3) shall be used when a load-
Load Testing
deflection curve is required.
E998 Test Method for Structural Performance of Architec-
1.5 The text of this standard references notes and footnotes
tural Glass Products Under the Influence of Uniform
which provide explanatory materials. These notes and foot-
Static Loads
notes (excluding those in tables and figures) shall not be
E1233/E1233M Test Method for Structural Performance of
considered as requirements of the standard.
ExteriorWindows,Doors,Skylights,andCurtainWallsby
Cyclic Air Pressure Differential
1.6 The values stated in either SI units or inch-pound units
E1300 Practice for Determining Load Resistance of Glass in
are to be regarded separately as standard. The values stated in
Buildings
each system are not necessarily exact equivalents; therefore, to
E1886 Test Method for Performance of Exterior Windows,
ensure conformance with the standard, each system shall be
Curtain Walls, Doors, and Impact Protective Systems
Impacted by Missile(s) and Exposed to Cyclic Pressure
Differentials
1
This test method is under the jurisdiction of ASTM Committee E06 on
E1996 Specification for Performance of Exterior Windows,
Performance of Buildings and is the direct responsibility of Subcommittee E06.51
Curtain Walls, Doors, and Impact Protective Systems
on Performance of Windows, Doors, Skylights and Curtain Walls.
Current edition approved Oct. 15, 2021. Published October 2021. Originally
approved in 1967. Last previous edition approved in 2014 as E330/E330M – 14.
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DOI: 10.1520/E0330_E0330M–14R21. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
2
Additional information on curtain wall assemblies can be obtained from the contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Fenestration & Glazing Industry Alliance (FGIA), 1900 E Golf Rd, Suite 1250 Standards volume information, refer to the standard’s Document Summary page on
Schaumburg, IL 60173, https://www.fgiaonline.org/. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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