Numerical Calculation of Fragility Curves for Probabilistic Seismic Risk Assessment

Abstract eng:
In nuclear engineering practice, fragility curves are often determined by means of margin factors, using the scaling method This approach allows for determining fragility curves in a very convenient way but makes strong simplifying hypothesis. This is why it can be interesting to directly propagate uncertainties by means of Monte Carlo simulation. In this paper, we will discuss statistical estimation of the parameters of fragility curves and present results obtained for a reactor coolant system of nuclear power plant.

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