Until now French approach for RPV PTS assessment is based on at least 40 years lifetime. This lifetime has been taken into account at each step of the the RPV life: first early in the design, then at each periodic safety demonstration by including the surveillance program, the national and international feedback and R&D results. All of them confirm that all the 3-loop French RPV fulfill the existing criteria for at least 40 years of operation. In order to evaluate their capability to operate for 60 years, an Engineering and Research and Development program has been recently established and engaged by EDF. This large program of activities between all of divisions of EDF is focused on the different fields involved in the risk of fast rupture of the irradiated core vessel. The main purposes of this programme are: • the research of specific data corresponding to a long lifetime of about 60 years; • the studies of new methods to improve the demonstration including several themes such as fluence evaluation, determination of fracture toughness, structural integrity assessment including probabilistic approach, definition of transients; • the evaluation of mitigation methods. This paper contains first a description of what was done at each RPV PTS assessment and an overview of the present program.
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ASME/JSME 2004 Pressure Vessels and Piping Conference
July 25–29, 2004
San Diego, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4682-2
PROCEEDINGS PAPER
French R&D Program for RPV Aging Management
H. Churier-Bossennec,
H. Churier-Bossennec
EDF Industry, Villeurbanne Cedex, France
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D. Moinereau,
D. Moinereau
EDF Industry, Moret sur Loing, France
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P. Todeschini,
P. Todeschini
EDF Industry, Moret sur Loing, France
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C. Faidy,
C. Faidy
EDF Industry, Villeurbanne Cedex, France
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G. Bezdikian
G. Bezdikian
EDF Generation and Trading Nuclear Power Plant Operations, Saint Denis Cedex, France
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H. Churier-Bossennec
EDF Industry, Villeurbanne Cedex, France
D. Moinereau
EDF Industry, Moret sur Loing, France
P. Todeschini
EDF Industry, Moret sur Loing, France
C. Faidy
EDF Industry, Villeurbanne Cedex, France
G. Bezdikian
EDF Generation and Trading Nuclear Power Plant Operations, Saint Denis Cedex, France
Paper No:
PVP2004-2976, pp. 127-132; 6 pages
Published Online:
August 12, 2008
Citation
Churier-Bossennec, H, Moinereau, D, Todeschini, P, Faidy, C, & Bezdikian, G. "French R&D Program for RPV Aging Management." Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference. Aging Management and License Renewal. San Diego, California, USA. July 25–29, 2004. pp. 127-132. ASME. https://doi.org/10.1115/PVP2004-2976
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