Contribution à l'étude de l'impact de modifications structuro-fonctionnelles sur les performances de sécurité d'un système socio-technique : application au domaine ferroviaire

Abstract : Globalisation and increased competition entail more and more economical and legislative constraints. Companies have to struggle to face these constraints' complex nature by adapting and modifying the structural and functional aspects oftheir organisation. However, analyses oflarge-scale industrial disasters have shown that these "organisational adaptations" may weaken the systems' proficiency in terrns of safety. Thus, regarding hazardous industries, researchers and entrepreneurs call for methodologies and organisational criteria which would enable them to manage the interactions between "organisational aspects" and "safety". The point ofthis study of infrastructure of the French Railways was to: - Identify the links between "organisation" and "safety" in the field of railway transportation, drawing on internaI documents and semi-directive interviews with members of units in charge of "procedure design", "safety management" and "production/maintenance", - Develop standards and concepts providing managers with a global and generic picture enabling them to understand and characterize the way organisational aspects may influence their system's proficiency as regards safety. - Pinpoint the "organisational factors" and "mechanisms that generate organisational constraints" to drawa list of organisational criteria, those aspects beingcrucial to the introduction of the notion of "safety" into an organisation's reconception process.The framework of explanations and descriptions provided herein illustrates how organisational aspects may influence security capabilities. This line of attack offers bases for a methodology seeking to anticipate and prevent impacts of organisational changes on a system' s proficiency in terms of safety.
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Theses
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http://docnum.univ-lorraine.fr/prive/INPL_T_2004_DURIEZ_S.pdf
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https://hal.univ-lorraine.fr/tel-01750020
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Submitted on : Thursday, March 29, 2018 - 12:36:04 PM
Last modification on : Monday, April 16, 2018 - 10:41:06 AM

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Sylvain Duriez. Contribution à l'étude de l'impact de modifications structuro-fonctionnelles sur les performances de sécurité d'un système socio-technique : application au domaine ferroviaire. Autre. Institut National Polytechnique de Lorraine, 2004. Français. ⟨NNT : 2004INPL027N⟩. ⟨tel-01750020⟩

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