Steel and Composite Structures

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Characterization of the main component of equal width welded I-beam-to-RHS-column connections

  • Lopez-Colina, Carlos (Department of Construction and Manufacturing Engineering, University of Oviedo) ;
  • Serrano, Miguel A. (Department of Construction and Manufacturing Engineering, University of Oviedo) ;
  • Lozano, Miguel (Department of Construction and Manufacturing Engineering, University of Oviedo) ;
  • Gayarre, Fernando L. (Department of Construction and Manufacturing Engineering, University of Oviedo) ;
  • Suarez, Jesus M. (Department of Construction and Manufacturing Engineering, University of Oviedo) ;
  • Wilkinson, Tim (School of Civil Engineering, University of Sydney)
  • Received : 2018.11.15
  • Accepted : 2019.07.23
  • Published : 2019.08.10
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Abstract

The present paper tries to contribute fill the gap of application of the component method to tubular connections. For this purpose, one typical joint configuration in which just one component can be considered as active has been studied. These joints were selected as symmetrically loaded welded connections in which the beam width was the same as the column width. This focused the study on the component 'side walls of rectangular hollow sections (RHS) in tension/compression'. It should be one of the main components to be considered in welded unstiffened joints between I beams and RHS columns. Many experimental tests on double-sided I-beam-to-RHS-column joint with a width ratio 1 have been carried out by the authors and a finite element (FE) model was validated with their results. Then, some different analytical approaches for the component stiffness and strength have been assessed. Finally, the stiffness proposals have been compared with some FE simulations on I-beam-to-RHS-column joints. This work finally proposes the most adequate equations that were found for the stiffness and strength characterization of the component 'side walls of RHS in tension/compression' to be applied in a further unified global proposal for the application of the component method to RHS.

Keywords

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