Structural Engineering and Mechanics

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Seismic vulnerability evaluation of a 32-story reinforced concrete building

  • Memari, A.M. (Department of Civil and Environmental Engineering, The Pennsylvania State University) ;
  • Motlagh, A.R. Yazdani (International Institute for Earthquake Engineering and Seismology) ;
  • Akhtari, M. (International Institute for Earthquake Engineering and Seismology) ;
  • Scanlon, A. (The Pennsylvania State University) ;
  • Ashtiany, M. Ghafory (International Institute for Earthquake Engineering and Seismology)
  • Published : 1999.01.25
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Abstract

Seismic evaluation of a 32-story reinforced concrete framed tube building is performed by checking damageability, safety, and toughness limit states. The evaluation is based on Standard 2800 (Iranian seismic code) which recommends equivalent lateral static force, modal superposition, or time history dynamic analysis methods to be applied. A three dimensional linearly elastic model checked by ambient vibration test results is used for the evaluation. Accelerograms of three earthquakes as well as linearly elastic design response spectra are used for dynamic analysis. Damageability is checked by considering story drift ratios. Safety is evaluated by comparing demands and capacities at the story and element force levels. Finally, toughness is studied in terms of curvature ductility of members. The paper explains the methodology selected and various aspects in detail.

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References

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