The U.S. Department of Energy recently completed seismic testing on a pair of full-scale dry storage systems for spent nuclear fuel.
The data will be used to better understand the potential impacts earthquakes have on fuel that is safely and securely stored at more than 70 reactors sites in the United States.
Researchers conducted tests at the University of California San Diego using a specialized outdoor shake table to simulate various seismic events.
The test included a full-scale vertical cask weighing 125 tons and a 111-ton horizontal storage system. Both were equipped with dummy fuel assemblies and more than 240 sensors to collect data on roughly 40 different seismic simulations.
The data will be used to evaluate the impacts of potential seismic events on spent nuclear fuel cladding and inform the design and licensing of future spent nuclear fuel storage systems.
It will also help improve current practices and ensure the safe, efficient, and sustainable management of the nation’s spent nuclear fuel.
The demonstration was funded by the U.S. Department of Energy to support the development of robust, science-based solutions for the management of the nation’s spent nuclear fuel.
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