Effect of fillet welds on T-joints with thin-walled chords.
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Date
2018
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Abstract
Tubular joints with thin-walled sections could have a wide range of applications in the construction industry, possibly
providing light structures with high structural efficiency. However, current design prescriptions do not recommend
their use and more studies are needed to attest their viability. In this context, the effect of the size of fillet welds on
cold-formed T-joints consisting of thin-walled rectangular hollow section chords and circular hollow section braces
under axial compression loading was analysed. Experimental and numerical analyses were conducted and the results
were compared with current design prescriptions. Three experiments were performed, with different weld sizes, in a
machine that provided displacement-controlled testing with data acquisition from strain gauges and displacement
transducers. Finite-element models were developed to replicate the general experimental setup and the results
showed good correlation with the experimental data, indicating that the size of the weld influences joint resistance.
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PEREIRA, D. J. R. et al. Effect of fillet welds on T-joints with thin-walled chords. Proceedings of Ice - Structures and Buildings, v. 172, n. 4, p. 301-312, abr. 2019. Disponível em: <https://www.icevirtuallibrary.com/doi/10.1680/jstbu.18.00043>. Acesso em: 13 fev. 2019.