[PDF] Top 20 Seismic Analysis and Evaluation of Spent Fuel Dry Cask Storage Systems

... The soil profile data indicate that this site has a soft soil foundation° Since the seismic input amplification was found to be rather sensitive to the choice of [r] ... See full document

... Spent fuel racks are important facilities to store the spent fuel in nuclear power plant (NPP), which are Seismic Category I ...All spent fuel racks are free standing in ... See full document

... production, fuel and material irradiation test, neutron beam application, and neutron activation ...The spent fuel storage racks and modules have been designed to store the spent ... See full document

... and seismic analysis guidance in EPRI NP-6041 (EPRI, ...the fuel pool structure would be precluded by the successful completion of the EPRI NP-6041 (EPRI, 1991) structural ...the seismic ... See full document

... of spent fuel storage? Will there be a shift toward consolidated storage and or longer-term storage? And if so, NRC will need to be in a position to review such ...which fuel ... See full document

... The wave speed assumed based on the testing of cores extracted from the canisters did not provide a good fit for the data. It appeared that the surface cracking observed in some of the core tests have propagated to the ... See full document

... most dry storage facilities for spent fuel, storage casks are freestanding on a concrete ...the cask and the pad may be induced during earthquakes, leading to stability ...the ... See full document

... the seismic behavior of the free-standing vertical cylindrical cask (VCC), which is widely used in existing dry storage facilities, are ...equilibrium analysis of the cask is ... See full document

... stability analysis is needed for licensing DSCs, given that NRC requires to demonstrate that the fuel is easily retrievable, and satisfy three performance objectives: i) fuel-rod integrity, ii) ... See full document

... the cask is exposed to drying for the entire period of 40 years assuming that the outside relative humidity remains at 50% ...the fuel basket on the ...the analysis. The entire cask structure ... See full document

... a seismic structural qualification of the Independent Spent Fuel Storage Installation (ISFSI) pads at nuclear power plants, an integral step to this analysis is conducting the ... See full document

... slope analysis can be for a failure surface that is plane, circular, or ...the analysis of the casks and the ISFSI structure to use the spectra and time histories in the three orthogonal ...geotechnical ... See full document

... reactor spent fuel and other radioactive materials associated with the spent fuel to be stored at an independent spent fuel storage installation, using a free-standing ... See full document

... the cask in the lateral direction lies within the resonant band of the response spectrum, higher amplification could occur at the centre of gravity (CG) of the ...The seismic stability of the DCSS is based ... See full document

... The spent fuel bundles from Pressurised Heavy Water Reactors (PHWRs) are stored under water in spent fuel storage facilities in stacks of 20 to 30 trays inside the water depth of 6-7 ... See full document

... Dry storage casks (DSCs) store spent fuel rods from nuclear power ...of cask assembly geometric arrangement and fuel rod and canister ...high seismic regions may slide ... See full document

... the seismic behavior of spent fuel dry cask storage systems (DCSS) for the Office of Nuclear Regulatory Research of the ...Independent Spent Fuel ... See full document

... concrete storage cask is represented in Fig ...the storage cask is 154 tons including the canister and fuels of ...the cask body are ...a fuel basket for holding 24 PWR ... See full document

... new dry storage cask to store 24 PWR spent fuel assemblies for at-reactor or away-from-reactor interim storage ...The storage cask is designed to be in compliance ... See full document

... the seismic shear forces at the lower ends of the legs and the friction between the legs and the supporting ...to seismic loads at the legs in any direction is smaller than the friction due to the ... See full document