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Estimation of seismic demand in tall buildings using mode-acceleration method

  • Farid GhorbaniEmail author
  • Behzad Shakouri
  • Saeed Rahimi Gendeshmin
Original Paper
  • 3 Downloads

Abstract

The current study presented a method to estimate seismic response of inter-story drift in tall buildings. Inter-story drift is obtained using combined mode-acceleration equations via modeling tall buildings through flexural and shear cantilever beams’ equations, and estimating dynamic components of tall buildings. In the provided equation to calculate seismic response of inter-story drift, it is necessary to know details of the building, which makes it easy and expedites the analysis. Inter-story drift of 10-, 15-, and 50-story buildings for three earthquake accelerograms was estimated using the provided equation, and via finite element software OPENSEES, the equation was verified. Results comparison showed that the equation provided a good approximation, which can be used instead of modeling, to calculate inter-story drift. In addition, the comparison between the calculated inter-story drift with those of the approximate method and finite element method showed that the mode-acceleration method was close to the accurate solution even using few modes.

Keywords

Tall building Inter-story drift Mode-acceleration method Flexural and Shear cantilever beam method 

Notes

Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringKN Toosi University of TechnologyTehranIran
  2. 2.Department of Civil EngineeringUrmia UniversityUrmiaIran
  3. 3.Department of Civil EngineeringUniversity of TabrizTabrizIran

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