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Etude de sensibilité sur la réponse d'un bâtiment réacteur enfonce par rapport à différentes conditions de souplesse de la fondation

A. Frau 1, 2, * F. Wang 1, 2
* Corresponding author
2 EMSI - Laboratoire d'Etudes de Mécanique Sismique
SEMT - Service d'Etudes Mécaniques et Thermiques : DEN/DM2S/SEMT
Abstract : The behaviour of embedded structures is already known in the Soil-Structure Interaction (SSI) field. Several studies have shown the attenuation effect on the system response and the modification of the foundation input motion due to kinematic interaction. In general, one of the most important hypotheses is to consider the system foundation as rigid. In France, nuclear power plants are often founded on shallow configurations. Moreover, regarding the size of this kind of structures, this assumption seems to be appropriate. However, under certain conditions, the stiffness of the foundation (in particular the basemat) could strongly influence the system response. In order to study the response of a soil-structure system for different embedded configurations under several foundation stiffness assumptions, a parametrical study has been carried out.
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A. Frau, F. Wang. Etude de sensibilité sur la réponse d'un bâtiment réacteur enfonce par rapport à différentes conditions de souplesse de la fondation. Colloque Nationale AFPS 2015, Nov 2015, Paris, France. ⟨cea-02491632⟩

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