Steel and Composite Structures

  • 제16권3호
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  • Pages.305-323
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  • 2014
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Simulations of PEC columns with equivalent steel section under gravity loading

  • Begum, Mahbuba (Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET)) ;
  • Ghosh, Debaroti (Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET))
  • 투고 : 2012.09.21
  • 심사 : 2013.10.30
  • 발행 : 2014.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents numerical simulations of partially encased composite columns (PEC) with equivalent steel sections. The composite section of PEC column consists of thin walled welded H- shaped steel section with transverse links provided at regular intervals between the flanges. Concrete is poured in the space between the flanges and the web plate. Most of the structural analysis and design software do not handle such composite members due to highly nonlinear material behavior of concrete as well as due to the complex interfacial behaviour of steel and concrete. In this paper an attempt has been made to replace the steel concrete composite section by an equivalent steel section which can be easily incorporated in the design and analysis software. The methodology used for the formulation of the equivalent steel section is described briefly in the paper. Finite element analysis is conducted using the equivalent steel section of partially encased composite columns tested under concentric gravity loading. The reference test columns are obtained from the literature, encompassing a variety of geometric and material properties. The finite element simulations of the composite columns with equivalent steel sections are found to predict the experimental behaviour of partially encased composite columns with very good accuracy.

키워드

참고문헌

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피인용 문헌

  1. Structural behavior of partially encased composite columns under axial loads vol.20, pp.6, 2016, https://doi.org/10.12989/scs.2016.20.6.1305
  2. Effect of local small diameter stud connectors on behavior of partially encased composite beams vol.20, pp.2, 2016, https://doi.org/10.12989/scs.2016.20.2.251
  3. Equalizing Octagonal PEC Columns with Steel Columns: Experimental and Theoretical Study vol.23, pp.3, 2018, https://doi.org/10.1061/(ASCE)SC.1943-5576.0000375