Structural Engineering and Mechanics

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Seismic assessment and finite element modelling of glazed curtain walls

  • Caterino, Nicola (Department of Engineering, University of Naples "Parthenope") ;
  • Zoppo, Marta Del (Department of Engineering, University of Naples "Parthenope") ;
  • Maddaloni, Giuseppe (Department of Engineering, University of Benevento "Sannio") ;
  • Bonati, Antonio (Construction Technologies Institute, Italian National Research Council (CNR)) ;
  • Cavanna, Giovanni (Construction Technologies Institute, Italian National Research Council (CNR)) ;
  • Occhiuzzi, Antonio (Department of Engineering, University of Naples "Parthenope")
  • Received : 2016.03.04
  • Accepted : 2016.07.19
  • Published : 2017.01.10
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Abstract

Glazed curtain walls are façade systems frequently chosen in modern architecture for mid and high-rise buildings. From recent earthquakes surveys it is observed the large occurrence of non-structural components failure, such as storefronts and curtain walls, which causes sensitive economic losses and represents an hazard for occupants and pedestrians safety. In the present study, the behavior of curtain wall stick systems under seismic actions has been investigated through experimental in-plane racking tests conducted at the laboratory of the Construction Technologies Institute (ITC) of the Italian National Research Council (CNR) on two full-scale aluminium/glass curtain wall test units. A finite element model has been calibrated according to experimental results in order to simulate the behavior of such components under seismic excitation. The numerical model investigates the influence of the interaction between glass panels and aluminium frame, the gasket friction and the stiffness degradation of aluminium-to-glass connections due to the high deformation level on the curtain walls behavior. This study aims to give a practical support to researchers and/or professionals who intend to numerically predict the lateral behavior of similar façade systems, so as to avoid or reduce the need of performing expensive experimental tests.

Keywords

Acknowledgement

Supported by : University of Naples

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