Bulletin of Earthquake Engineering

, Volume 8, Issue 2, pp 387–400 | Cite as

Seismic response of nonstructural components in case of nonlinear structures based on floor response spectra method

  • Marcelo OropezaEmail author
  • Pascale Favez
  • Pierino Lestuzzi
Original Research Paper


This paper investigates the response of nonstructural components in the presence of nonlinear behavior of the primary structure using floor response spectra method (FRS). The effect of several parameters such as initial natural frequency of the primary structure, natural frequency of the nonstructural components (subsystem), strength reduction factor and hysteretic model have been studied. A database of 164 registered ground acceleration time histories from the European Strong-Motion Database is used. Results are presented in terms of amplification factor and resonance factor. Amplification factor quantifies the effect of inelastic deformations of the primary structure on subsystem response. Resonance factor quantifies the variation of the subsystem response considering the primary structure acceleration. Obtained results differed from precedent studies, particularly for higher primary structure periods. Values of amplification factor are improved. Obtained results of resonance factor highlight an underestimation of peak values according to current design codes such as Eurocode 8. Therefore a new formulation is proposed.


Nonlinear seismic behavior Nonstructural components Floor response spectra Resonance factor Amplification factor Nonlinear time history analysis Hysteretic model Recorded earthquake ground motions 


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Marcelo Oropeza
    • 1
    Email author
  • Pascale Favez
    • 1
  • Pierino Lestuzzi
    • 1
  1. 1.IIC-Civil Engineering Institute, EPFL-École Polytechnique Fédérale de LausanneENAC-IIC-ENAC Bâtiment GCLausanneSwitzerland

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