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Radiation Protection Dosimetry 2005 116(1-4):671-674; doi:10.1093/rpd/nci234
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© The Author 2005. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Fuzzy–probabilistic model for risk assessment of radioactive material railway transportation

M. Avramenko1,*, V. Bolyatko2 and V. Kosterev2

1 Russian Federal Nuclear Centre—VNIITF, P.O. Box 245, Snezhinsk, 456770, Russia
2 Moscow Engineering Physics Institute, 31 Kashirskoe Shosse, Moscow, 115409, Russia

* Corresponding author: m.i.avramenko{at}vniitf.ru

Transportation of radioactive materials is obviously accompanied by a certain risk. A model for risk assessment of emergency situations and terrorist attacks may be useful for choosing possible routes and for comparing the various defence strategies. In particular, risk assessment is crucial for safe transportation of excess weapons-grade plutonium arising from the removal of plutonium from military employment. A fuzzy–probabilistic model for risk assessment of railway transportation has been developed taking into account the different natures of risk-affecting parameters (probabilistic and not probabilistic but fuzzy). Fuzzy set theory methods as well as standard methods of probability theory have been used for quantitative risk assessment. Information-preserving transformations are applied to realise the correct aggregation of probabilistic and fuzzy parameters. Estimations have also been made of the inhalation doses resulting from possible accidents during plutonium transportation. The obtained data show the scale of possible consequences that may arise from plutonium transportation accidents.


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