Edge-Strengthening of Structural Glass with Protective Coatings

Abstract:

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In modern buildings, glass is increasingly used as a load-carrying material in structural components, such as glass beams. For glass beams especially the edge strength of glass is important. However, the strength of glass is not a material constant but depends on various parameters, which makes glass, amongst other things, a challenging building material. One of the parameters influencing glass strength is the combination of humidity and stress, which may cause stress corrosion. The aim of the current study is to limit the effect of humidity at the glass edge. This is done by the application of a protective coating. In this exploratory study several coating solutions are tested applying the coating at the edge of glass specimens. These specimens are then subjected to in-plane four-point bending tests to determine their failure strength. The effects of the coatings on the edge strength are analyzed using the failure strength data from the bending tests. The results indicate that only one of the tested coatings has an effect on the glass edge strength.

Info:

Periodical:

Key Engineering Materials (Volumes 488-489)

Edited by:

Z. Tonković and M.H. Aliabadi

Pages:

331-334

DOI:

10.4028/www.scientific.net/KEM.488-489.331

Citation:

M. Lindqvist et al., "Edge-Strengthening of Structural Glass with Protective Coatings", Key Engineering Materials, Vols. 488-489, pp. 331-334, 2012

Online since:

September 2011

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Price:

$35.00

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