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Recent Developments of RCC-MR Code for High Temperature Reactor and ITER Projects

[+] Author Affiliations
Claude Escaravage, Dominique Bonne, Odile Gelineau

AREVA NP, Inc., Lyon, France

Morello Sperandio

Secretary of AFCEN RCC-MR Committee, Lyon, France

Bernard Drubay

CEA-Saclay, Gif-sur-Yvette, France

Paper No. PVP2008-61527, pp. 631-635; 5 pages
  • ASME 2008 Pressure Vessels and Piping Conference
  • Volume 1: Codes and Standards
  • Chicago, Illinois, USA, July 27–31, 2008
  • Conference Sponsors: Pressure Vessels and Piping
  • ISBN: 978-0-7918-4824-1 | eISBN: 0-7918-3828-5
  • Copyright © 2008 by ASME


The fourth edition of the RCC-MR code has been issued in French and English versions on October 2007 by AFCEN (Association Française pour les règles de Conception et de Construction des Matériels des Chaudières Electro-nucléaires). It is the result of an important work by Areva NP and CEA to develop and improve design and construction rules of the previous edition. The objective of this paper is to emphasize the progress achieved from the last version dated 2002 such as: • Enlargement of the scope of the code to be applicable not only to high temperature structures but also to the ITER vacuum vessel. • Adaptation of the code to the European standardization, making use of the Harmonized European Standards. • Improvement of the creep-fatigue rules for shells and pipes. • Development of the “class 2 box” structures directly applicable to the ITER vacuum vessel. • Introduction of a specific appendix dealing with specific fabrication requirements of the ITER vacuum vessel. • Extension of the scope of subsections devoted to bolts. • Development of the chapter on laser welding. • Introduction of requirements in line with the new European Pressure Equipment decree and its French declination to nuclear equipment (ESPN) which is mandatory for a French site construction.

Copyright © 2008 by ASME



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