Steel and Composite Structures

  • 제50권5호
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  • Pages.499-513
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  • 2024
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

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Tests and numerical analysis on octagonal concrete-filled double skinned steel tubular short columns under axial compression

  • Manigandan R (Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University)
  • 투고 : 2022.04.28
  • 심사 : 2023.10.05
  • 발행 : 2024.03.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper describes the experimental and numerical investigations of octagonal Concrete-Filled Double Skinned Steel Tube (CFDST) short columns under the influence of various internal sizes of the circular and square steel tubes, with constant cross-sectional dimensions of the external octagonal steel tube under concentric loading. The non-linear finite element analysis of octagonal CFDST columns was executed using the ABAQUS to forecast and compare the axial compression behavior influenced by the various sizes of internal circular and square steel tubes. The study shows that the axial compressive strength and ductility of octagonal CFDST columns were significantly influenced by various internal dimensions of the circular and square steel tubes with the strengths of constituent materials.

키워드

과제정보

The authors would like to thank workshop operator Ramesh Das for his technical cooperation in performing the tests.

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