Postbreakage Behavior of Heat Strengthened Laminated Glass under Wind Effects
Publication: Journal of Structural Engineering
Volume 119, Issue 2
Abstract
Results of a full‐scale experimental investigation into the postbreakage behavior of heat‐strengthened laminated glass subjected to windstorm effects are presented. Two different interlayer constructions and two different glazing configurations are examined. The two interlayer constructions are a PVB polymer and a PVB/PET/PBV composite polymer. The two glazing configurations are a conventional dry glazed system and an unconventional system with a silicone anchor bead. Two test criteria are established that relate to effects of a severe windstorm. The first criterion addresses impact with windborne debris; the second defines a wind‐load spectrum that represents a severe windstorm of a 4‐hr duration. Three principal findings are presented. First, the ability of heat strengthened laminated glass to reject small missile impacts with small probabilities of breaking the inner glass ply is established. Second, heat‐strengthened laminated glass with the silicone anchor bead performed significantly better than similar glass in a dry‐glazed system. Finally, the heat‐strengthened laminated glass with the PVB/PET/PVB composite interlayer performs significantly better than similar glass with PVB interlayer.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 119 • Issue 2 • February 1993
Pages: 454 - 467
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Jul 19, 1991
Published online: Feb 1, 1993
Published in print: Feb 1993
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