Structural Engineering and Mechanics

  • 제24권4호
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  • Pages.463-478
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  • 2006
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Feasibility study for blind-bolted connections to concrete-filled circular steel tubular columns

  • Goldsworthy, H.M. (Department of Civil and Environmental Engineering, University of Melbourne) ;
  • Gardner, A.P. (Department of Civil and Environmental Engineering, University of Melbourne)
  • 투고 : 2005.12.20
  • 심사 : 2006.05.18
  • 발행 : 2006.11.10
⟨ 이전 논문 다음 논문 ⟩

초록

The design of structural frameworks for buildings is constantly evolving and is dependent on regional issues such as loading and constructability. One of the most promising recent developments for low to medium rise construction in terms of efficiency of construction, robustness and aesthetic appearance utilises concrete-filled steel tubular sections as the columns in a moment-resisting frame. These are coupled to rigid or semi-rigid connections to composite steel-concrete beams. This paper includes the results of a pilot experimental programme leading towards the development of economical, reliable connections that are easily constructed for this type of frame. The connections must provide the requisite strength, stiffness and ductility to suit gravity loading conditions as well as gravity combined with the governing lateral wind or earthquake loading. The aim is to develop connections that are stiffer, less expensive and easier to construct than those in current use. A proposed fabricated T-stub connection is to be used to connect the beam flanges and the column. These T-stubs are connected to the column using "blind bolts" with extensions, allowing installation from the outside of the tube. In general, the use of the extensions results in a dramatic increase in the strength and stiffness of the T-stub to column connection in tension, since the load is shared between membrane action in the tube wall and the anchorage of the bolts through the extensions into the concrete.

키워드

참고문헌

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피인용 문헌

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