Steel and Composite Structures

  • 제35권5호
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  • Pages.701-715
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  • 2020
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Perforated TWCF steel beam-columns: European design alternatives

  • Baldassino, Nadia (Department of Civil, Environmental and Mechanical Engineering, Universita di Trento) ;
  • Bernardi, Martina (Department of Civil, Environmental and Mechanical Engineering, Universita di Trento) ;
  • Bernuzzi, Claudio (Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano) ;
  • Simoncelli, Marco (Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano)
  • 투고 : 2020.02.20
  • 심사 : 2020.05.15
  • 발행 : 2020.06.10
⟨ 이전 논문 다음 논문 ⟩

초록

Steel storage racks are lightweight structures, made of thin-walled cold-formed members, whose behaviour is remarkably influenced by local, distortional and overall buckling phenomena, frequently mutually combined. In addition, the need of an easy and rapid erection and reconfiguration of the skeleton frame usually entails the presence of regular perforations along the length of the vertical elements (uprights). Holes and slots strongly influence their behaviour, whose prediction is however of paramount importance to guarantee an efficient design and a safe use of racks. This paper focuses on the behaviour of isolated uprights subjected to both axial load and bending moments, differing for the cross-section geometry and for the regular perforation systems. According to the European standards for routine design, four alternatives to evaluate the bending moment-axial load resisting domains are shortly discussed and critically compared in terms of member load carrying capacity.

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참고문헌

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