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Probabilistic and Deterministic Approach of Seismic Hazard Assessment ? Comparison and Discussion of Results

Citace: DEMJANČUKOVÁ, K. Probabilistic and Deterministic Approach of Seismic Hazard Assessment ? Comparison and Discussion of Results. In ENC2012 Transactions. Brussels: European Nuclear Society, 2012. s. 20-26. ISBN: 978-92-95064-14-0
Druh: STAŤ VE SBORNÍKU
Jazyk publikace: eng
Anglický název: Probabilistic and Deterministic Approach of Seismic Hazard Assessment ? Comparison and Discussion of Results
Rok vydání: 2012
Místo konání: Brussels
Název zdroje: European Nuclear Society
Autoři: Ing. Kateřina Demjančuková
Abstrakt EN: The seismic hazard assessment of the selected locality for new nuclear facility is one of the essential steps of the process of seismic safety ensuring. Both of the approaches used in practice for seismic hazard assessment, i.e. deterministic and probabilistic, bring certain advantages but with regard to last Fukushima accident there are also questions for discussion. Deterministic method is more conservative, and therefore, forms the basis of design and licensing standards, the probabilistic one is used mainly for inspection and it is used for finding the realistic seismic hazard value determined by the deterministic approach, certainly from economic reasons. The paper describes both, the deterministic and the probabilistic approaches of seismic hazard assessment with a demonstration of example for the locality in the West of the Czech Republic. The approaches used for nuclear facilities were recommended by the IAEA. Attention is especially paid to the interpretation of the results and to the explanation of use of different statistic characteristic, e.g. mean value, median, median + ?, with comments and references to the IAEA standards, the US standards and standards used in other countries for important facilities. The discussion is concentrated to the problem of extreme events involvement into the seismic hazard assessment process.
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