RESEARCH ARTICLE


Nonlinear Performance of Extended Stiffened End Plate Bolted Beam-to-column Joints Subjected to Column Removal



Roberto Tartaglia*, Mario D’Aniello
Department of Structures for Engineering and Architecture, University of Naples Federico II, Napoli, Italy


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Creative Commons License
© 2017 Tartaglia and D’Aniello

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Structures for Engineering and Architecture, University of Naples Federico II, Napoli, Italy; Tel: +7390812538917; E-mail: roberto.tartaglia@unina.it


Abstract

This paper presents a numerical study on the behavior of extended stiffened end plate bolted beam-to-column joints subjected to sudden column removal. To this aim, finite element analyses, validated against experimental tests available from literature, were carried out to investigate the response of the joints under catenary action. The influence of additional bolt rows, generally ineffective in case of design for pure bending response, was also examined and some practical design implications have been drawn up from the parametric study.

Keywords: Bolted beam-to-column joints, Catenary action, Progressive collapse, Finite element model, Failure mode, Inelastic response.