Spent fuel pool (SFP) stores fuel assemblies removed from the reactor over the years. SFP and its accident mitigation measures may fail simultaneously at the time of the earthquake, which may cause serious accident consequences. This paper uses probabilistic safety assessment (PSA) method to quantitatively evaluate the risk of SFP for a CPR1000 unit caused by seismic events. Quantitative analysis results show that seismic events' risk is the highest in all internal events and external events for SFP. In order to reduce the risk of SFP, more attention should be paid to improve seismic capacity or reduce the common failure for systems and components associated with SFP under the earthquake situation.
Risk Analysis of Spent Fuel Pool Caused by Seismic Events
Manuscript received October 31, 2017; final manuscript received May 13, 2018; published online September 10, 2018. Assoc. Editor: Jovica R. Riznic.
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Wang, M., Lin, M., and Wang, J. (September 10, 2018). "Risk Analysis of Spent Fuel Pool Caused by Seismic Events." ASME. ASME J of Nuclear Rad Sci. October 2018; 4(4): 041012. https://doi.org/10.1115/1.4040367
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