Structural Analysis of the KSC-28 Storable Transport Cask

Abstract

The KSC-28 cask has been developed for storage and transportation of spent fuels by KAERI Korea. This paper describes the structural evaluation of KSC-28 cask for impact accidents. Since this cask contains large amount of spent fuels, the structural analysis of the large cask considered carefully the complex internal structure and the influence of spent fuels' inertia effect. The structural analyses were carried out using LS-DYNA3Dcode for various impact conditions. The impact forces, stresses, and deformations were evaluated for each impact condition. The results demonstrate that the KSC-28 cask maintains its structural integrity sufficiently for impact accidents.