Structural Engineering and Mechanics

  • 제36권1호
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  • Pages.57-78
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  • 2010
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A reinforced concrete frame element with shear effect

  • Valipour, Hamid R. (School of Civil and Environmental Engineering, University of Technology) ;
  • Foster, Stephen J. (School of Civil and Environmental Engineering, The University of New South Wales)
  • 투고 : 2009.07.20
  • 심사 : 2010.04.30
  • 발행 : 2010.09.10
⟨ 이전 논문 다음 논문 ⟩

초록

A novel flexibility-based 1D element that captures the material nonlinearity and second order P-$\Delta$ effects within a reinforced concrete frame member is developed. The formulation is developed for 2D planar frames in the modified fiber element framework but can readily be extended to 3D cases. The nonlinear behavior of concrete including cracking and crushing is taken into account through a modified hypo-elastic model. A parabolic and a constant shear stress distribution are used at section level to couple the normal and tangential tractions at material level. The lack of objectivity due to softening of concrete is addressed and objectivity of the response at the material level is attained by using a technique derived from the crack band approach. Finally the efficiency and accuracy of the formulation is compared with experimental results and is demonstrated by some numerical examples.

키워드

참고문헌

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피인용 문헌

  1. Analysis of RC walls with a mixed formulation frame finite element vol.12, pp.4, 2013, https://doi.org/10.12989/cac.2013.12.4.519
  2. Numerical modelling of timber/timber–concrete composite frames with ductile jointed connection vol.19, pp.2, 2016, https://doi.org/10.1177/1369433215624600
  3. A simple strategy for constitutive modelling of timber vol.53, 2014, https://doi.org/10.1016/j.conbuildmat.2013.11.100