Contrast of a Probabilistic Design Model for Laminated Glass Plates

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As other ceramic materials, glass presents a brittle behaviour and a broad scatter of strength results, due to the random distribution of micro-cracks on its surface. On the other hand, the specific properties of glass and Polyvinyl Butyral (PVB) are combined in laminated glass, resulting in a viscoelastic behaviour for the whole assembly. In this paper, a probabilistic design model is proposed for laminated glass plates of annealed and tempered glass, taking into account the time-dependent properties of the PVB interlayer and the glass characterization by means of a three-parameter Weibull cumulative distribution function of critical stresses. To validate the model proposed, an experimental programme was carried out using laminated glazing of 1.4 m x 1.4 m, varying the kind of glass, thickness and boundary conditions.

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Periodical:

Materials Science Forum (Volumes 730-732)

Edited by:

Ana Maria Pires Pinto and António Sérgio Pouzada

Pages:

501-506

Citation:

M. J. Lamela et al., "Contrast of a Probabilistic Design Model for Laminated Glass Plates", Materials Science Forum, Vols. 730-732, pp. 501-506, 2013

Online since:

November 2012

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$38.00

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