Structural Engineering and Mechanics

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Dynamic stiffness formulations for harmonic response of infilled frames

  • Bozyigit, Baran (Department of Civil Engineering, Dokuz Eylul University) ;
  • Yesilcea, Yusuf (Department of Civil Engineering, Dokuz Eylul University)
  • Received : 2018.05.01
  • Accepted : 2018.08.17
  • Published : 2018.10.25
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Abstract

In this paper, harmonic responses of infilled multi-storey frames are obtained by using a single variable shear deformation theory (SVSDT) and dynamic stiffness formulations. Two different planar frame models are used which are fully infilled and soft storey. The infill walls are modeled by using equivalent diagonal strut approach. Firstly, free vibration analyses of bare frame and infilled frames are performed. The calculated natural frequencies are tabulated with finite element solution results. Then, harmonic response curves (HRCs) of frame models are plotted for different infill wall thickness values. All of the results are presented comparatively with Timoshenko beam theory results to reveal the effectiveness of SVSDT which considers the parabolic shear stress distribution along the frame member cross-sections.

Keywords

References

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