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Evaluating external coatings as a tool for safer freeform glass structures

Jan Belis (UGent) , Bram De Cleen (UGent) , Frank Verwimp (UGent) , Didier Delincé (UGent) and Rudy Van Impe (UGent)
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Abstract
Looking at the shapes of glass bottles, drinking glasses, chemical flasks, etc., it is clear that the technology exists to melt and fuse certain glass types into astonishing shapes. Transforming this technology to the scale of building components would create an innovative tool with a high architectural potential. However, in construction industry such techniques are still in an experimental stage. In spite of several small successes that have been accomplished with e.g. the welding of glass for building applications [1], [2], a fundamental safety problem still needs to be soved: fused or welded glass is monolithic and brittle. Traditional laminating techniques cannot be used for several reasons, e.g. because polymer interlayers will burn or desintegrate when exposed to temperatures needed for glass fusing or welding. Consequently, this contribution will focus on external coatings, mostly polymers, which can be applied at the outer surface of a monolithic glass structure. The purpose of the coatings is to form a safety film, which prevents shattering of the glass pieces and/or ensures a certain level of post-breakage strength and stiffness. A limited number of selected products will be tested experimentally on small test specimens, illustrating some of the potentials and limits of this technology in architectural freeform glass applications.
Keywords
freeform design, glass structures, coating, structural safety, failure mechanisms, glass column.

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MLA
Belis, Jan, Bram De Cleen, Frank Verwimp, et al. “Evaluating External Coatings as a Tool for Safer Freeform Glass Structures.” International Association for Shell and Spatial Structures (IASS) Symposium, Proceedings. Ed. Alberto Domingo & Carlos Lázaro. Valencia, Spain: Universidad Politécnica de Valencia, 2009. 860–866. Print.
APA
Belis, Jan, De Cleen, B., Verwimp, F., Delincé, D., & Van Impe, R. (2009). Evaluating external coatings as a tool for safer freeform glass structures. In A. Domingo & C. Lázaro (Eds.), International Association for Shell and Spatial Structures (IASS) symposium, Proceedings (pp. 860–866). Presented at the International Association for Shell and Spatial Structures (IASS) symposium : Evolution and trends in design, analysis and construction of shell and spatial structures, Valencia, Spain: Universidad Politécnica de Valencia.
Chicago author-date
Belis, Jan, Bram De Cleen, Frank Verwimp, Didier Delincé, and Rudy Van Impe. 2009. “Evaluating External Coatings as a Tool for Safer Freeform Glass Structures.” In International Association for Shell and Spatial Structures (IASS) Symposium, Proceedings, ed. Alberto Domingo and Carlos Lázaro, 860–866. Valencia, Spain: Universidad Politécnica de Valencia.
Chicago author-date (all authors)
Belis, Jan, Bram De Cleen, Frank Verwimp, Didier Delincé, and Rudy Van Impe. 2009. “Evaluating External Coatings as a Tool for Safer Freeform Glass Structures.” In International Association for Shell and Spatial Structures (IASS) Symposium, Proceedings, ed. Alberto Domingo and Carlos Lázaro, 860–866. Valencia, Spain: Universidad Politécnica de Valencia.
Vancouver
1.
Belis J, De Cleen B, Verwimp F, Delincé D, Van Impe R. Evaluating external coatings as a tool for safer freeform glass structures. In: Domingo A, Lázaro C, editors. International Association for Shell and Spatial Structures (IASS) symposium, Proceedings. Valencia, Spain: Universidad Politécnica de Valencia; 2009. p. 860–6.
IEEE
[1]
J. Belis, B. De Cleen, F. Verwimp, D. Delincé, and R. Van Impe, “Evaluating external coatings as a tool for safer freeform glass structures,” in International Association for Shell and Spatial Structures (IASS) symposium, Proceedings, Valencia, Spain, 2009, pp. 860–866.
@inproceedings{763946,
  abstract     = {{Looking at the shapes of glass bottles, drinking glasses, chemical flasks, etc., it is clear that the technology exists to melt and fuse certain glass types into astonishing shapes. Transforming this technology to the scale of building components would create an innovative tool with a high architectural potential.
However, in construction industry such techniques are still in an experimental stage. In spite of several small successes that have been accomplished with e.g. the welding of glass for building applications [1], [2], a fundamental safety problem still needs to be soved: fused or welded glass is monolithic and brittle. Traditional laminating techniques cannot be used for several reasons, e.g. because polymer interlayers will burn or desintegrate when exposed to temperatures needed for glass fusing or welding.
Consequently, this contribution will focus on external coatings, mostly polymers, which can be applied at the outer surface of a monolithic glass structure. The purpose of the coatings is to form a safety film, which prevents shattering of the glass pieces and/or ensures a certain level of post-breakage strength and stiffness. A limited number of selected products will be tested experimentally on small test specimens, illustrating some of the potentials and limits of this technology in architectural freeform glass applications.}},
  author       = {{Belis, Jan and De Cleen, Bram and Verwimp, Frank and Delincé, Didier and Van Impe, Rudy}},
  booktitle    = {{International Association for Shell and Spatial Structures (IASS) symposium, Proceedings}},
  editor       = {{Domingo, Alberto and Lázaro, Carlos}},
  isbn         = {{978-84-8363-461-5}},
  keywords     = {{freeform design,glass structures,coating,structural safety,failure mechanisms,glass column.}},
  language     = {{eng}},
  location     = {{Valencia, Spain}},
  pages        = {{860--866}},
  publisher    = {{Universidad Politécnica de Valencia}},
  title        = {{Evaluating external coatings as a tool for safer freeform glass structures}},
  year         = {{2009}},
}