Effect Of Residual Stresses On The Buckling Behaviour Of Glass Beams

J. Belis & R. Van Impe, Ghent University,Technology
A. Piras, Cagliari University

Glass beams can be used as a primary structural component in buildings. For various reasons, designers can decide to use heat-strengthened or toughened glass for one or more layers of a laminated beam.

The thermal treatment that has been applied to these glass types causes relatively high residual stresses in the glass. It is well known that the tensile strength of glass can be improved considerably this way. The effect of the toughening process on the buckling behaviour of glass beams, however, is not very well known.

The first authors have pointed out the importance of lateral torsional buckling on previous occasions. In this contribution the effect of residual stresses on the buckling load is shown and explained. Finally, it is made clear how this effect should be dealt with in the design process of glass beams.

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The Authors

	Dr. Jan Belis dr. ir.-arch./Assistant Professor Ghent University - LMO Jan Belis holds a degree in civil engineering/architecture and a PhD degree in structural engineering from Ghent University, Belgium. Since 2006, he is assistant professor at the same institute. His r... Read more
	Mr. Andrea Piras Student Cagliari University Read more