ASTM E1300 – 12AE1 PDF

E − A The probability of breakages for Lite No. 1 and Lite Pb2 = e No. 2 for the load carried by each are as follows: A Conclusion— The. ASTM E – 12ae1. Standard Practice for Determining Load Resistance of Glass in Buildings. Active Standard ASTM E | Developed by Subcommittee: . Edition: 12ae1 (). Superseded by: ASTM E Check Published. Number of pages: Price: NOK 1 ,00 (excl. VAT) NOK 1 ,00 (with VAT).

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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.

A number in parentheses indicates the year of last reapproval. Click here to download full list of books. This maximum calculated stress must be less than the maximum allowable stress. Determine if the skylight will support a 6. To convert, multiply the LR by the factor in Table X4. The glass thickness used for calculating load sharing factors for short duration loads is the sum of the thickness of glass of the 2 plies in accordance with Table 1.

The values given in parentheses are for mathematical conversions to inch-pound units that are provided for information only and are not considered standard. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.

Two different effective laminate thickness values are determined for a specific case: The factor for all IG units is: Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work.

NOTE 2—Values are approximated.

E – 12ae1 – Free Download PDF

The NFL is thus found to be 2. In addition, considerations set forth in building codes along with criteria presented in safety glazing standards and site specific concerns may control the ultimate glass type and thickness selection.

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Land Use and Development. Copyright Compu-tecture, Inc. The beam is fixed along one long edge cantilever and is subjected to a line load, Asym, of 0. Determination and Report of Procedures.

ASTM E – 12ae1 Standard Practice for Determining Load Resistance of Glass in Buildings

This practice assumes that 1 the supported glass edges asfm 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. This practice shall not apply to other applications including, but not limited to, balustrades, glass floor panels, aquariums, structural glass members, and glass shelves.

Duration Factor 3s 10 s 60 s 10 min 60 min 12 h 24 h 1 week 1 month 30 days 1 year beyond 1 year 1.

Appendix X1 provides additional procedures to determine maximum lateral deflection for glass simply supported on four sides. The forced constant amplitude, fixed frequency tension oscillation test specified in Table 1 and Fig. Glass may be manufactured thicker than those minimums. For aspect ratios greater than 5, use 5. For insulating glass units, this practice only applies to insulating glass units with four-sided edge support. E Standard Guide for Thermocouple Verification.

The final thickness and type of glass selected also depends upon a variety of other factors see 5. This practice shall not apply to other applications including, but not limited to, balustrades, glass floor panels, aquariums, structural glass members, and glass shelves.

These minimum glass thicknesses are presented in Table 4. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password. This practice shall not apply to other applications including, but not limited to, balustrades, glass floor panels, aquariums, structural glass members, and glass shelves.

The greater the shear resistances, the more effectively the two glass plies couple and resist deformation under loading.

E 1300 – 12ae1

Summary of Practice 4. Rigorous engineering analysis that accounts for the geometrically nonlinear performance of glass lites, glass surface condition, residual surface compression, surface area under stress, geometry, support conditions, load type and duration, and other relevant parameters can result in other type factors.

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The load sharing is then based on the individual ply thicknesses of the LG. This leaves a short term duration LR for the IG unit of: The specified design load shall be used for this calculation. Permission rights to photocopy the standard may also be secured from the ASTM website www.

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. These flaw parameters represent the surface strength of weathered window glass that has undergone in-service conditions for approximately 20 years. Minimum Thickness, mm in. Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.

Will this window glass support a 1.

The information in this practice applies only to polyvinyl butyral PVB interlayer or those interlayers that demonstrate equivalency according to Appendix X8. The specified design load shall be used for this calculation.

E Terminology of Building Constructions. The NFL charts were developed using aetm failure prediction model for glass 4, 5.

In addition, considerations set forth in building codes along with criteria presented in safety glazing standards and site specific concerns may control the ultimate glass type and thickness selection. Substituting into Eq X9. Use Vallabhan and Wstm 1 for alternate method. The values given in parentheses are for mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

Long Duration Load 30 days. These factors include but are not limited to:

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