ASTM F2248 PDF

Document Center Inc. Glass plies used to construct laminated glass are recommended to be either annealed or heat strengthened glass. As a minimum, insulating glass shall use laminated glass for the inboard protected side lite. The width of glazing tape shall be at least equal to two times but not more than four times the thickness designation of the glass to which it adheres. The width of silicone or glazing tape is referred to as bite and is shown and discussed in Guide C

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More F Scope 1. Glass plies used to construct laminated glass are recommended to be either annealed or heat strengthened glass.

As a minimum, insulating glass shall use laminated glass for the inboard protected side lite. The width of glazing tape shall be at least equal to two times but not more than four times the thickness designation of the glass to which it adheres. The width of silicone or glazing tape is referred to as bite and is shown and discussed in Guide C The system shall be designed to ensure that the glazing fails prior to the framing system that supports the glazing and its attachment to the structural framing system.

The fasteners that attach the framing system that supports the glazing to the structural framing system shall be designed to resist a uniform load acting on the blast resistant glazing that has a magnitude of at least: 1. Blast testing has shown that use of fully tempered glass plies, when fractured during a blast event, have poorer post blast performance than annealled or heat strengthened glass plies.

Laminated glass fabricated with fully tempered glass plies has a tendency to leave the supporting glazing system frame after fracture whereas laminated glass fabricated with annealed or heat strengthened glass plies will remain in the frame and absorb remaining load through tensile membrane behavior.

Use of the annealed or heat strengthened glass plies will also reduce the amount of load transferred into the structure. Values given in parentheses are for information only. 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.

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ASTM F2248

Akinora Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. ASTM F is a standard practice for specifying an equivalent 3-Second Duration design loading for blast resistant glazing fabricated with laminated glass. Historical Version s — view previous versions of standard. Blast testing has shown astmm use of fully tempered glass plies, when fractured during a blast event, have poorer post blast performance than annealled or heat strengthened glass plies.

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More F Scope 1. Glass plies used to construct laminated glass are recommended to be either annealed or heat strengthened glass. This analytical method for glazing should be used with caution for glazing panels larger than 1. As a minimum, insulating glass shall use laminated glass for the inboard protected side lite.

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