Steel and Composite Structures

  • 제14권3호
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  • Pages.243-265
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  • 2013
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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

Distortional and local buckling of steel-concrete composite box-beam

  • Jiang, Lizhong (Department of Civil Engineering and Architecture, Central South University) ;
  • Qi, Jingjing (School of Civil Engineering, Hunan University of Science and Technology) ;
  • Scanlon, Andrew (Department of Civil and Environmental Engineering, Penn State University) ;
  • Sun, Linlin (Department of Civil Engineering and Architecture, Central South University)
  • 투고 : 2009.09.14
  • 심사 : 2012.12.13
  • 발행 : 2013.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

Distortional and local buckling are important factors that influences the bearing capacity of steel-concrete composite box-beam. Through theoretical analysis of distortional buckling forms, a stability analysis calculation model of composite box beam considering rotation of steel beam top flange is presented. The critical bending moment calculation formula of distortional buckling is established. In addition, mechanical behaviors of a steel beam web in the negative moment zone subjected separately to bending stress, shear stress and combined stress are investigated. Elastic buckling factors of steel web under different stress conditions are calculated. On the basis of local buckling analysis results, a limiting value for height-to thickness ratio of a steel web in the elastic stage is proposed. Numerical examples are presented to verify the proposed models.

키워드

참고문헌

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피인용 문헌

  1. Practical formulas towards distortional buckling failure analysis for steel-concrete composite beams vol.25, pp.18, 2016, https://doi.org/10.1002/tal.1297
  2. Refined nonlinear finite element modelling towards ultimate bending moment calculation for concrete composite beams under negative moment vol.116, 2017, https://doi.org/10.1016/j.tws.2017.02.011
  3. Analysis of corrugated steel web beam bridges using spatial grid modelling vol.18, pp.4, 2015, https://doi.org/10.12989/scs.2015.18.4.853
  4. Elastic Distortional Buckling Analysis of I-Steel Concrete Composite Beam Considering Shear Deformation vol.16, pp.08, 2016, https://doi.org/10.1142/S0219455415500455
  5. Analysis of behaviour for hollow/solid concrete-filled CHS steel beams vol.19, pp.2, 2015, https://doi.org/10.12989/scs.2015.19.2.293
  6. Distortional buckling calculation method of steel-concrete composite box beam in negative moment area vol.19, pp.5, 2015, https://doi.org/10.12989/scs.2015.19.5.1203
  7. Distortional buckling of I-steel concrete composite beams in negative moment area vol.20, pp.1, 2016, https://doi.org/10.12989/scs.2016.20.1.057
  8. Distortional Buckling Analysis of Steel-Concrete Composite Girders in Negative Moment Area vol.2014, 2014, https://doi.org/10.1155/2014/635617
  9. Investigation on the Structural Behavior of Shear Walls with Steel Truss Coupling Beams under Seismic Loading vol.2018, pp.1687-8442, 2018, https://doi.org/10.1155/2018/5602348
  10. Collapse of steel cantilever roof of tribune induced by snow loads vol.23, pp.3, 2013, https://doi.org/10.12989/scs.2017.23.3.273
  11. Distortional buckling of cold-formed lipped channel columns subjected to axial compression vol.23, pp.3, 2017, https://doi.org/10.12989/scs.2017.23.3.331
  12. Space grid analysis method in modelling shear lag of cable-stayed bridge with corrugated steel webs vol.24, pp.5, 2013, https://doi.org/10.12989/scs.2017.24.5.549
  13. Effect of residual stress and geometric imperfection on the strength of steel box girders vol.34, pp.3, 2013, https://doi.org/10.12989/scs.2020.34.3.423