Tensile behaviour of asymmetric bolted square hollow section column splices

Rui Yan*, Haohui Xin, Milan Veljkovic, Luís Simões Da Silva

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

26 Downloads (Pure)

Abstract

In traditional end plate column splices, bolts are placed double symmetrically on the four sides of square hollow sections (SHS). In order to reduce the required gap between the façade and the column, the end plate could be flushed on one or two sides of SHS for the column along the façade or at the corner of a building, respectively. However, the analytical solution (Component method) for the traditional column splice is not applicable in this case. This paper addresses the tensile behaviour of asymmetric column splices, where a cover plate is used on the end plate flushed side. Columns are dominantly loaded in compression and bending, but to verify the component's interaction, the column splices are tested in tension in this paper. The tensile behaviour is investigated through the experiment, the finite element (FE) analysis, and the component method. Eight tensile tests were conducted. The FE model is validated against the experiment. A bi-linear model is employed to characterise the column splice yield resistance, which shows a good agreement with the ultimate resistance of the FE model using a constitutive model without strain hardening. The effective length measured from the FE model is approximately two times that calculated by equations. Using the measured effective length, the component method predicts the characterised yield resistance well (average 13% lower). In comparison, the resistance is underestimated by 35% on average if the calculated effective length is used.

Original languageEnglish
Article number111014
Number of pages18
JournalThin-Walled Structures
Volume190
DOIs
Publication statusPublished - 2023

Keywords

  • Asymmetric column splices
  • Bolted connection
  • Component method
  • Square hollow section
  • Yield line

Fingerprint

Dive into the research topics of 'Tensile behaviour of asymmetric bolted square hollow section column splices'. Together they form a unique fingerprint.

Cite this