Advances in Computational Design

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An approach to a novel modelling of structural reinforced glass beams in modern material components

  • Foti, Dora (Department of Sciences of Civil Engineering and Architecture, Polytechnic University of Bari) ;
  • Carnimeo, Leonarda (Department of Electrical & Information Engineering, Polytechnic University of Bari) ;
  • Lerna, Michela (Department of Sciences of Civil Engineering and Architecture, Polytechnic University of Bari) ;
  • Sabba, Maria Francesca (Department of Sciences of Civil Engineering and Architecture, Polytechnic University of Bari)
  • Received : 2021.05.07
  • Accepted : 2021.12.08
  • Published : 2022.07.25
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Abstract

In modern buildings, glass is considered a structurally unsafe material due to its brittleness and unpredictable failure behavior. The possible use of structural glass elements (i.e., floors, beams and columns) is generally prevented by its poor tensile strength and a frequent occurrence of brittle failures. In this study an innovative modelling based on an equivalent thickness concept of laminated glass beam reinforced with FRP (Fiber Reinforced Polymer) composite material and of glass plates punched is presented. In particular, the novel numerical modelling applied to an embedding Carbon FRP-rod in the interlayer of a laminated structural glass beam is considered in order to increase both its failure strength, together with its post-failure strength and ductility. The proposed equivalent modelling of different specimens enables us to carefully evaluate the effects of this reinforcement. Both the responses of the reinforced beam and un-reinforced one are evaluated, and the corresponding results are compared and discussed. A novel equivalent modelling for reinforced glass beams using FRP composites is presented for FEM analyses in modern material components and proved estimations of the expected performance are provided. Moreover, the new suggested numerical analysis is also applied to laminated glass plates with wide holes at both ends for the technological reasons necessary to connect a glass beam to a structure. Obtained results are compared with an integer specimen. Experimental considerations are reported.

Keywords

Acknowledgement

The research described in this paper was financially supported by University Research Funds (FRA 2016): "Experimental study of reinforced concrete sections subjected to shear-torsion stresses following an innovative formulation".

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