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Nonlinear Analysis of the Hermetic Postament Safety during Technology Accident in the Nuclear Power Plant

Juraj Kralik
Transactions of the VSB - Technical University of Ostrava, Civil Engineering Series
2017, Volume 17, Issue 1, Pages 112-121
Doi: 10.1515/tvsb-2017-0013
This paper describes the nonlinear analysis of the nuclear power plant (NPP) postament safety under a high internal overpressure and temperature. The scenario of the hard accident in NPP and the methodology of the calculation of the safety of the technology segments are presented. The elasto - plastic behavior of steel material dependent on temperature was considered in software ANSYS. The safety analysis of the original and upgraded postament structure is described here.
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