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Theses

Methodologie pour l’analyse de la robustesse des plans de secours industriels

Abstract : The objective of this research thesis is to develop a methodology for the analysis of robustness of industrial emergency plans. Failures can occur when these plans are put into action; they can result to deteriorated operating conditions for these systems. Existing emergency plan analysis approaches do not allow for a structured analysis of the emergency response mechanism. The methodology developed in this research project is based on a structuro-functional and generic formalization of industrial emergency plans, which describes both the functions of the plans and the resources necessary for accomplishing them. Furthermore, lessons learned through the analysis of 159 industrial accidents and 61 internal and external industrial emergency plan exercises have led to the identification of failures that may occur during the use of industrial emergency plans for emergency response. The model that was developed and the information obtained through experience feedback result in a structured analysis of failures of these plans. This robustness analysis is based on the failure risk assessment of the plan’s functions. The failure probability is estimated through assessment questions and the plan’s functions and resources fault trees. The failure severity of each function is determined by using the facility’s hazard study and by applying the maximum damage rule. The failure criticality of each function is hence obtained, and the plan’s criticality results from the aggregation of the criticalities of the plan’s functions. The approach followed is hence based on a failure risk analysis, which in turn is built upon lessons learned and the critical analysis of the plan’s model. This methodology therefore constitutes a toolbox that can be used both for the analysis of existing plans and the development of emergency response mechanism.
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  • HAL Id : tel-00669712, version 1

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Georgio Marios Karagiannis. Methodologie pour l’analyse de la robustesse des plans de secours industriels. Autre. Ecole Nationale Supérieure des Mines de Saint-Etienne, 2010. Français. ⟨NNT : 2010EMSE0590⟩. ⟨tel-00669712⟩

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