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Evaluation de l’auscultation des barrages pour sa valorisation dans les études de dangers

Abstract : This paper presents a study carried out by INERIS in 2013 [2] which aims to provide assessment criteria for monitoring systems and means of enhancing them in safety reports. Dam monitoring is a continuous process that aims to assess the evolution of risk during the life of the structure. It allows to maintain an acceptable level of risk by implementing appropriate actions if deviations are detected. It is a technical and organizational system involved in risk management. It could be perceived as a safety barrier; so far, it seems difficult to assess it as a barrier as defined by regulation related to Hazardous Installations and to integrate it in the safety study as an average probability of failure on demand. This paper aims to answer various questions: how to evaluate the performance of monitoring systems? Can monitoring systems be considered safety barriers within the meaning of the regulation? How to integrate monitoring systems in accident scenarios? After a global presentation of monitoring of hydraulic structures and its objectives, monitoring is placed in the context of the risk assessment. Various means of evaluation are presented and discussed. Evaluation criteria are proposed. The study deals with monitoring for long-term and short-term surveillance. In this paper, we present the main proposition on the evaluation of the monitoring systems for long-term surveillance within the framework of hazard studies.
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https://hal-ineris.archives-ouvertes.fr/ineris-01863122
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Submitted on : Tuesday, August 28, 2018 - 10:40:54 AM
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  • HAL Id : ineris-01863122, version 1

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François Masse, Thibault Balouin. Evaluation de l’auscultation des barrages pour sa valorisation dans les études de dangers. Colloque CFBR "Sûreté des barrages et enjeux", Nov 2016, Chambéry, France. pp.65-77. ⟨ineris-01863122⟩

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