Efficient inelastic fiber frame element and consistent damping model for seismic time-history analyses

Pierre Jehel 1, * Adnan Ibrahimbegovic 2 Pierre Léger 3
* Corresponding author
1 MSSMat - Laboratoire de mécanique des sols, structures et matériaux
2 LMT - Laboratoire de Mécanique et Technologie
3 Département de Génie Civil - École Polytechnique de Montréal
Abstract : This paper deals with modeling reinforced concrete (RC) frame structure in seismic motion with inelastic time- history analyses. Such analyses require the definition of an inelastic structural model - that is capable of dissipating part of the imparted seismic energy - and additional damping is generally added, e.g. Rayleigh damping. This additional damping has to be consistent with the inelastic structural model: it has to account for energy dissipation mechanisms not otherwise explicitly modeled. A consistent damping model is presented in this paper and the simulation of a 2D RC frame tested on a shaking table is performed with this latter damping model. Results are then used as a baseline to assess the consistency of another more common Rayleigh damping model.
Keywords : Inelastic time-history analyses Frame structures Fiber element Reinforced concrete Energy dissipation Consistent additional damping
Document type :
Conference papers
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https://hal-ecp.archives-ouvertes.fr/hal-00730666
Contributor : Pierre Jehel <>
Submitted on : Monday, September 10, 2012 - 6:03:18 PM
Last modification on : Friday, May 17, 2019 - 1:23:11 AM

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  • HAL Id : hal-00730666, version 1

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EC-PARIS | ENS-CACHAN | UPMC | MSSMAT | SORBONNE-UNIVERSITE

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Pierre Jehel, Adnan Ibrahimbegovic, Pierre Léger. Efficient inelastic fiber frame element and consistent damping model for seismic time-history analyses. 15th World Conference on Earthquake Engineering (WCEE 2012), Sep 2012, Lisbon, Portugal. pp.Abstract No. 1167. ⟨hal-00730666⟩

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