Local buckling of aluminium and steel plates with multiple holes

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Abstract

This paper considers local buckling of perforated square aluminium plates. Plates of various slenderness with simply supported edges and subjected to uniaxial compression are studied using the finite element method. Different perforation patterns are investigated, from a single circular hole to 25 circular holes distributed over the plate. A number of aluminium alloys are considered and compared to steel grade A36. Results show that the resistance of the plates containing a single central cut-out is higher than that of plates with more holes and of equal total cut-out size. A further refinement beyond 5 holes does not influence the resistance.
Original languageEnglish
Pages (from-to)132-141
JournalThin-Walled Structures
Volume99
Issue number1
DOIs
Publication statusPublished - 2016

Keywords

  • Local buckling
  • Pierced plates
  • aluminium perforated plates
  • Steel plates with holes
  • parametric investigation
  • compression loading

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