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A simplified method for evaluation of seismic displacement of reinforced concrete frame buildings

A simplified method for evaluation of seismic displacement of reinforced concrete frame buildings Current seismic design requirements specify lateral displacement or story drift limits to be compared with calculated results from structural analysis. The lateral displacements for different types of buildings are usually predicted through commercial structural software, which takes much computational time at the beginning of the structural design. In this research, a simplified equation is proposed to calculate lateral displacements of buildings under lateral loads with different distributions. The equation is developed to quickly predict the elastic and inelastic building displacements during preliminary design of new buildings or seismic assessment of existing buildings without performing expensive dynamic time history analyses using software. The proposed method is based on elastic beam theory and is compared with similar ASCE (American Society of Civil Engineers) 7–10 procedures. The accuracy of the proposed method is validated by the elastic and inelastic analysis using 2-D (two dimensional) and 3-D (three dimensional) frame buildings. Additionally, the equation is used to determine inelastic story displacements of ordinary, intermediate and special moment frames, and coefficient used to compute the inelastic story displacement according to the proposed equation are recommended in this study. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Structural Integrity and Maintenance Taylor & Francis

A simplified method for evaluation of seismic displacement of reinforced concrete frame buildings

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A simplified method for evaluation of seismic displacement of reinforced concrete frame buildings

Abstract

Current seismic design requirements specify lateral displacement or story drift limits to be compared with calculated results from structural analysis. The lateral displacements for different types of buildings are usually predicted through commercial structural software, which takes much computational time at the beginning of the structural design. In this research, a simplified equation is proposed to calculate lateral displacements of buildings under lateral loads with different...
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Publisher
Taylor & Francis
Copyright
© 2019 Korea Institute for Structural Maintenance and Inspection
ISSN
2470-5322
eISSN
2470-5314
DOI
10.1080/24705314.2019.1603190
Publisher site
See Article on Publisher Site

Abstract

Current seismic design requirements specify lateral displacement or story drift limits to be compared with calculated results from structural analysis. The lateral displacements for different types of buildings are usually predicted through commercial structural software, which takes much computational time at the beginning of the structural design. In this research, a simplified equation is proposed to calculate lateral displacements of buildings under lateral loads with different distributions. The equation is developed to quickly predict the elastic and inelastic building displacements during preliminary design of new buildings or seismic assessment of existing buildings without performing expensive dynamic time history analyses using software. The proposed method is based on elastic beam theory and is compared with similar ASCE (American Society of Civil Engineers) 7–10 procedures. The accuracy of the proposed method is validated by the elastic and inelastic analysis using 2-D (two dimensional) and 3-D (three dimensional) frame buildings. Additionally, the equation is used to determine inelastic story displacements of ordinary, intermediate and special moment frames, and coefficient used to compute the inelastic story displacement according to the proposed equation are recommended in this study.

Journal

Journal of Structural Integrity and Maintenance – Taylor & Francis

Published: Apr 3, 2019

Keywords: Lateral displacement; reinforced concrete; frame building; story drift; seismic analysis

References

  • A displacement-based seismic design method with damage control for RC buildings
  • Evaluating the reliability of using the deflection amplification factor to estimate design displacements with accidental torsion effects
  • Theoretical stress-strain model for confined concrete
  • Development of a simplified displacement-based procedure for the seismic design and assessment of RC frame structures
  • Seismic behavior and modeling of reinforced concrete building columns
  • Capacity design considerations for RC frame-wall structures
  • Quantifying seismic design criteria for concrete buildings
  • Lateral displacement of reinforced concrete frame buildings