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Behavior of Facilities Under Explosive Loading Due to Malevolent Acts

[+] Author Affiliations
B. Autrusson, D. Brochard

Institut de Radioprotection et de Sûreté Nucléaire, Fontenay-aux-Roses Cedex, France

Paper No. PVP2003-1828, pp. 149-156; 8 pages
  • ASME 2003 Pressure Vessels and Piping Conference
  • Problems Involving Thermal Hydraulics, Liquid Sloshing, and Extreme Loads on Structures
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-1695-8
  • Copyright © 2003 by ASME


As required in the French regulations, the behavior of the nuclear fuel reprocessing or fabrication plants and nuclear power plants must be assessed for a set of various normal and accidental situations including explosions due to operation hazards or malevolent acts. In this last case, the assessment gathers both safety and security aspects and lead to undertake studies accounting for loads due either to an explosion resulting from an aggression with a large amount of explosive or to an attack with a High Energy Density Device as a conical shaped charge. In order to provide the Authority with elements of appreciation and in support of the expertise of the studies performed by the operators, the Institut de Radioprotection et de Sûreté Nucléaire (IRSN) has initiated a program including experiments and development of numerical models concerning the evaluation of the consequences of such aggression in terms of mechanical damage to the plants and radiological release in the environment. The French approach for assessing the consequences of malevolent acts is based on a sensitivity study aiming at determining the critical components, followed by a vulnerability study for assessing the behavior of the facilities, depending on the type of weapons chosen in compliance with the threats. So for introduction, this approach will be briefly recall. The paper will focus on the technical tools to perform the vulnerability study in the case of an aggression by explosion.

Copyright © 2003 by ASME
Topics: Explosives



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