Faire avancer la sûreté nucléaire

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Interrogations to learn from the Fukushima accident



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​International Conference on Human and Organizational Aspects of Assuring Nuclear Safety – Exploring 30 Years of Safety Culture / AIEA, 26 février 2016

Type de document > *Congrès/colloque

Mots clés >

Unité de recherche > IRSN/PSN-SRDS/SFOHREX/LSHS

Auteurs > GISQUET Elsa

Date de publication > 26/02/2016


On March 11, 2011, an earthquake in eastern Japan caused the reactors in operation at the Fukushima Daiichi nuclear power plant (NPP) to trip. The emergency generators started and then suddenly failed following the tsunami. The cooling water injection system no longer worked. Suddenly plunged into total darkness, the operators had to manage the accident.
Starting from the official reports and testimonies on the Fukushima accident, IRSN has conducted a survey "Human and Organizational Factors Perspective on the Fukushima Nuclear Accident".

Four years after the accident, however, as more witness accounts become available, IRSN feels useful to return to the human and organizational response to the accident inside the NPP itself. To what extent can the participants act and coordinate their actions when faced with such a dramatic situation? To what degree did their actions contribute to the disaster?
Rather than looking at the causes of the accident, this study examines the unfolding of the crisis, particularly in the most urgent early stages, and draws lessons for safety culture from the decisions and actions of key actors.