Structural Engineering and Mechanics

  • 제10권4호
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  • Pages.371-392
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  • 2000
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Pseudo plastic zone analysis of steel frame structures comprising non-compact sections

  • Avery, P. (Physical Infrastructure Centre, School of Civil Engineering, Queensland University of Technology) ;
  • Mahendran, M. (Physical Infrastructure Centre, School of Civil Engineering, Queensland University of Technology)
  • 발행 : 2000.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

Application of "advanced analysis" methods suitable for non-linear analysis and design of steel frame structures permits direct and accurate determination of ultimate system strengths, without resort to simplified elastic methods of analysis and semi-empirical specification equations. However, the application of advanced analysis methods has previously been restricted to steel frames comprising only compact sections that are not influenced by the effects of local buckling. A concentrated plasticity method suitable for practical advanced analysis of steel frame structures comprising non-compact sections is presented in this paper. The pseudo plastic zone method implicitly accounts for the effects of gradual cross-sectional yielding, longitudinal spread of plasticity, initial geometric imperfections, residual stresses, and local buckling. The accuracy and precision of the method for the analysis of steel frames comprising non-compact sections is established by comparison with a comprehensive range of analytical benchmark frame solutions. The pseudo plastic zone method is shown to be more accurate and precise than the conventional individual member design methods based on elastic analysis and specification equations.

키워드

참고문헌

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피인용 문헌

  1. Reliability-based integrated design of steel portal frames with tapered members vol.26, pp.2, 2004, https://doi.org/10.1016/j.strusafe.2003.02.001
  2. A second-order inelastic model for steel frames of tapered members with slender web vol.25, pp.8, 2003, https://doi.org/10.1016/S0141-0296(03)00043-9
  3. Advanced Analysis of Steel Frame Structures Comprising Non-Compact Sections vol.94-96, pp.1662-7482, 2011, https://doi.org/10.4028/www.scientific.net/AMM.94-96.205