Structural Engineering and Mechanics

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Multi-spring model for 3-dimensional analysis of RC members

  • Li, Kang-Ning (Department of Civil Engineering, National University of Singapore) ;
  • Otani, Shunsuke (Department of Architecture, the University of Tokyo)
  • Published : 1993.10.25
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Abstract

A practical multi-spring model is proposed for a nonlinear analysis of reinforced concrete members, especially columns, taking into account the interaction of axial load and bi-directional bending moment. The parameters of the model are determined on the basis of material properties and section geometry. The axial force-moment interaction curve of reinforced concrete sections predicted by the model was shown to agree well with those obtained by the flexural analysis utilizing realistic stress-strain relations of materials. The reliability of the model was also examined with respect to the test of reinforced concrete columns subjected to varying axial load and bi-directional lateral load reversals. The analytical results agreed well with the experiment.

Keywords

References

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