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Earthquake Engineering and Engineering Vibration

, Volume 17, Issue 4, pp 821–834 | Cite as

Finite element modeling assumptions impact on seismic response demands of MRF-buildings

  • Shehata E Abdel Raheem
  • Ahmed K Abdel Zaher
  • Ahmed MA Taha
Article
  • 22 Downloads

Abstract

Recent seismic events have raised concerns over the safety and vulnerability of reinforced concrete moment resisting frame “RC-MRF” buildings. The seismic response of such buildings is greatly dependent on the computational tools used and the inherent assumptions in the modelling process. Thus, it is essential to investigate the sensitivity of the response demands to the corresponding modelling assumption. Many parameters and assumptions are justified to generate effective structural finite element (FE) models of buildings to simulate lateral behaviour and evaluate seismic design demands. As such, the present study focuses on the development of reliable FE models with various levels of refinement. The effects of the FE modelling assumptions on the seismic response demands on the design of buildings are investigated. the predictive ability of a FE model is tied to the accuracy of numerical analysis; a numerical analysis is performed for a series of symmetric buildings in active seismic zones. The results of the seismic response demands are presented in a comparative format to confirm drift and strength limits requirements. A proposed model is formulated based on a simplified modeling approach, where the most refined model is used to calibrate the simplified model.

Keywords

RC-MRF buildings design codes provisions seismic design finite element modeling modeling assumptions response demands 

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Notes

Acknowledgement

The financial support by Scientific Research Deanship, Taibah University Grant no. 6363/436 is gratefully acknowledged.

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Copyright information

© Institute of Engineering Mechanics, China Earthquake Administration and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Shehata E Abdel Raheem
    • 1
    • 2
  • Ahmed K Abdel Zaher
    • 1
    • 2
  • Ahmed MA Taha
    • 1
  1. 1.Civil Engineering Department, Engineering CollegeTaibah UniversityMadinahSaudi Arabia
  2. 2.Civil Engineering Department, Faculty of EngineeringAssiut UniversityAssiutEgypt

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