Member stability of stainless steel welded I-section beam-columns

Lu Yang, Menghan Zhao, Leroy Gardner, Keyang Ning, Jie Wang

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A comprehensive experimental and numerical study is presented into the behaviour of stainless steel welded I-section beams-columns. Twenty test specimens were fabricated from grade 304 (EN 1.4301) austenitic and grade 2205 (EN 1.4406) duplex stainless steel plates – ten were tested under major axis bending plus compression and ten under minor axis bending plus compression. Material tensile coupon tests and geometric imperfection measurements were also conducted. Numerical models were developed, calibrated against the test results and subsequently employed in parametric studies considering a wider range of specimen geometries. Based on the obtained test and numerical results, the accuracy and reliability of existing design rules given in EN 1993-1-4 and AISC DG 27, as well as recent proposals, were assessed.
Original languageEnglish
Pages (from-to)33-45
Number of pages13
JournalJournal of Constructional Steel Research
Early online date9 Jan 2019
Publication statusPublished - 1 Apr 2019


  • Beam-columns
  • Flexural buckling
  • Numerical study
  • Stainless steel
  • Welded I-section

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Metals and Alloys


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