ASTM E1300-03

Standard Practice for Determining Load Resistance of Glass in Buildings

SCOPE
1.1 This practice describes procedures to determine the load resistance of specified glass types, including combinations of glass types used in a sealed insulating glass unit, exposed to a uniform lateral load of short or long duration, for a specified probability of breakage.
1.2 This practice applies to vertical and sloped glazing in buildings for which the specified design loads consist of wind load, snow load and self-weight with a total combined magnitude less than or equal to 10 kPa (210 psf). This practice shall not apply to other applications including, but not limited to, balustrades, glass floor panels, aquariums, structural glass members and glass shelves.
1.3 This practice applies only to monolithic, laminated, or insulating glass constructions of rectangular shape with continuous lateral support along one, two, three or four edges. This practice assumes that (1) the supported glass edges for two, three and four sided support conditions are simply supported and free to slip in plane (2) glass supported on two sides acts as a simply supported beam, and (3) glass supported on one side acts as a cantilever.
1.4 This practice does not apply to any form of wired, patterned, etched, sandblasted, drilled, notched or grooved glass with surface and edge treatments that alter the glass strength.
1.5 This practice addresses only the determination of the resistance of glass to uniform lateral loads. The final thickness and type of glass selected also depends upon a variety of other factors (see 5.3).
1.6 Charts in this practice provide a means to determine approximate maximum lateral glass deflection. Appendix X1 and Appendix X2 provide additional procedures to determine maximum lateral deflection for glass simply supported on four sides. Appendix X3 presents a procedure to compute approximate probability of breakage for annealed monolithic glass lites simply supported on four sides.
1.7 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. For conversion of quantities in various systems of measurements to SI units refer to SI 10.
1.8 lists the key variables used in calculating the mandatory type factors in and comments on their conservative values.
1.9 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

• Status: Historical
• Publication Date: 09-Apr-2003
• ICS: 81.040.30 - Glass products
• Technical Committee: E06 - Performance of Buildings
• Drafting Committee: E06.51 - Performance of Windows, Doors, Skylights and Curtain Walls

Relations

• Replaces: ASTM E1300-02 - Standard Practice for Determining Load Resistance of Glass in Buildings
• Effective Date: 10-Apr-2003
• Replaced By: ASTM E1300-04 - Standard Practice for Determining Load Resistance of Glass in Buildings
• Effective Date: 01-Jul-2004
• Referred By: ASTM E1233/E1233M-14(2021) - Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights, and Curtain Walls by Cyclic Air Pressure Differential
• Effective Date: 10-Apr-2003
• Referred By: ASTM C1401-23 - Standard Guide for Structural Sealant Glazing
• Effective Date: 10-Apr-2003
• Referred By: ASTM C1048-18 - Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass
• Effective Date: 10-Apr-2003
• Referred By: 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
• Effective Date: 10-Apr-2003
• Referred By: ASTM E2461-22 - Standard Practice for Determining the Thickness of Glass in Airport Traffic Control Tower Cabs
• Effective Date: 10-Apr-2003
• Referred By: ASTM F2248-19 - Standard Practice for Specifying an Equivalent 3-Second Duration Design Loading for Blast Resistant Glazing Fabricated with Laminated Glass
• Effective Date: 10-Apr-2003
• Referred By: ASTM E997-15(2021) - Standard Test Method for Evaluating Glass Breakage Probability Under the Influence of Uniform Static Loads by Proof Load Testing
• Effective Date: 10-Apr-2003

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
An American National Standard
Designation: E 1300 – 03
Standard Practice for
1
Determining Load Resistance of Glass in Buildings
This standard is issued under the fixed designation E 1300; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope only. For conversion of quantities in various systems of
measurements to SI units refer to SI 10.
1.1 This practice describes procedures to determine the load
1.8 Appendix X4 lists the key variables used in calculating
resistance of specified glass types, including combinations of
the mandatory type factors in Tables 1-3 and comments on
glass types used in a sealed insulating glass unit, exposed to a
their conservative values.
uniform lateral load of short or long duration, for a specified
1.9 This standard does not purport to address all of the
probability of breakage.
safety concerns, if any, associated with its use. It is the
1.2 This practice applies to vertical and sloped glazing in
responsibility of the user of this standard to establish appro-
buildings for which the specified design loads consist of wind
priate safety and health practices and determine the applica-
load, snow load and self-weight with a total combined magni-
bility of regulatory limitations prior to use.
tude less than or equal to 10 kPa (210 psf). This practice shall
not apply to other applications including, but not limited to,
2. Referenced Documents
balustrades, glass floor panels, aquariums, structural glass
2.1 ASTM Standards:
members and glass shelves.
2
C 1036 Specification for Flat Glass
1.3 This practice applies only to monolithic, laminated, or
C 1048 Specification for Heat-Treated Flat Glass-Kind HS,
insulating glass constructions of rectangular shape with con-
2
Kind FT Coated and Uncoated Glass
tinuous lateral support along one, two, three or four edges. This
C 1172 Specification for Laminated Architectural Flat
practice assumes that (1) the supported glass edges for two,
2
Glass
three and four sided support conditions are simply supported
3
E 631 Terminology of Building Constructions
and free to slip in plane (2) glass supported on two sides acts
SI 10 Practice for Use of the International System of Units
as a simply supported beam, and (3) glass supported on one
4
(SI) (the Modernized Metric System)
side acts as a cantilever.
1.4 This practice does not apply to any form of wired,
3. Terminology
patterned, etched, sandblasted, drilled, notched or grooved
3.1 Definitions:
glass with surface and edge treatments that alter the glass
3.1.1 Refer to Terminology E 631 for additional terms used
strength.
in this practice.
1.5 This practice addresses only the determination of the
3.2 Definitions of Terms Specific to This Standard:
resistance of glass to uniform lateral loads. The final thickness
3.2.1 aspect ratio (AR), n—for glass simply supported on
and type of glass selected also depends upon a variety of other
four sides, the ratio of the long dimension of the glass to the
factors (see 5.3).
short dimension of the glass is always equal to or greater than
1.6 Charts in this practice provide a means to determine
1.0. For glass simply supported on three sides, the ratio of the
approximate maximum lateral glass deflection. Appendix X1
length of one of the supported edges perpendicular to the free
and Appendix X2 provide additional procedures to determine
edge, to the length of the free edge, is equal to or greater than
maximum lateral deflection for glass simply supported on four
0.5.
sides. Appendix X3 presents a procedure to compute approxi-
3.2.2 glass breakage, n—the fracture of any lite or ply in
mate probability of breakage for annealed monolithic glass
monolithic, laminated, or insulating glass.
lites simply supported on four sides.
3.2.3 Glass Thickness:
1.7 The values stated in SI units are to be regarded as the
3.2.3.1 thickness designation for monolithic glass, n—a
standard. The values given in parentheses are for information
term that defines a designated thickness for monolithic glass as
specified in Table 4 and Specification C 1036.
1
This practice is under the jurisdiction of ASTM Committee E06 on Perfor-
mance of Buildings and is the direct responsibility of Subcommittee E06.51 on
2
Component Performance of Windows, Curtain Walls, and Doors. Annual Book of ASTM Standards, Vol 15.02.
3
Current edition approved April 10, 2003. Published June 2003. Originally Annual Book of ASTM Standards, Vol 04.11.
4
approved in 1989. Last previous edition approved in 2002 as E 1300 – 02. Annual Book of ASTM Standards, Vol 14.02.
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