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Méthodologie pour l'actualisation de la magnitude d'un séisme historique

Abstract : This work proposes a framework for the reevaluation of the intensity based on probabilistic method and structural analysis. The method developed in this work allows for an update of the magnitude of historical earthquakes based on structural fragility functions and comparison to the damage observed in situ. The goal of this work is to assess the feasibility of the approach initially proposed by (Ryu, Kim, & Baker, 2009) to characterize fragile structures. The Bayesian updating procedure allows for accounting for uncertainty related to the structural response, ground motion and site parameters. In order to assess the vulnerability of a large set of existing buildings a global methodology has been developed in the present work. After defining class of typology, a method used to analyze the nonlinear response of old masonry structures, in the context of low to moderate seismicity, is proposed. For the Bayesian updating, a modeling strategy tailored on the non linear analysis of large scale masonry building has been developed for the study within a probabilistic frame. MOTS-CLÉS : archéoseismicité, maçonnerie, endommagement
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https://hal.archives-ouvertes.fr/hal-02512020
Contributor : Sophie Capdevielle <>
Submitted on : Thursday, March 19, 2020 - 11:44:26 AM
Last modification on : Thursday, July 2, 2020 - 5:46:05 PM
Long-term archiving on: : Saturday, June 20, 2020 - 2:09:37 PM

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  • HAL Id : hal-02512020, version 1

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Alessandro Stocchi, Cédric Giry, Irmela Zentner, Emmanuelle Nayman, Sophie Capdevielle, et al.. Méthodologie pour l'actualisation de la magnitude d'un séisme historique. 10ème Colloque National AFPS 2019, Sep 2019, Strasbourg, France. ⟨hal-02512020⟩

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