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This paper describes the engineering steps taken in order to investigate the potential of glass sandwich elements, made of 2 glass skins separated by a glass core in the form of spacers, as a way to create planar elements with a high stiffness to weight ratio, reducing material consumption in structural glazing applications. The aim is to explore and evaluate the optical quality and the structural performance of those elements. In this research, 7 core topologies are explored in order to define which parameters influence the behaviour of a sandwich structure made completely with glass. From those topologies, one is chosen to be explored further. The said topology is optimised to make the panels more efficient in terms of stiffness and weight reduction. In order to determine the structural behaviour (strength, stiffness, failure modes) of the elements, 4-point bending tests are conducted on 9 specimens in total. Finally, in order to define the aesthetical and structural requirements of such a project, the replacement of the glass floors of the Acropolis Museum in Athens in Greece is used as a case study. The knowledge acquired through this process is used to optimise the panels of the new glass floors taking also into account other parameters related to transparent flooring e.g. optical quality, psychological factors, anti-slip resistance etc
Original languageEnglish
Title of host publicationProceedings of the Challenging Glass Conference 6 (CGC 6)
Subtitle of host publicationInternational Conference on the Architectural and Structural Application of Glass
EditorsChristian Louter, Freek Bos, Jan Belis, Fred Veer, Rob Nijsse
PublisherDelft University of Technology
Number of pages20
ISBN (Electronic)978-94-6366-044-0
Publication statusPublished - 2018
EventChallenging Glass 6: International Conference on the Architectural and Structural Application of Glass - TU Delft, Delft, Netherlands
Duration: 17 May 201818 May 2018
Conference number: 6


ConferenceChallenging Glass 6
Abbreviated titleCGC
OtherChallenging Glass is an international bi-annual conference that aims at gathering world class designers, engineers, researchers and industry partners to discuss on the architectural and structural use of glass.
Internet address

    Research areas

  • Glass, Sandwich structures, Stiffness, weight reduction, core topologies, glass structure, glass sandwich

ID: 51448116