| 摘要 |
PROBLEM TO BE SOLVED: To enhance the subcriticality, heat removal properties, and shielding performance, of a spent fuel storage container when storing therein spent fuel assemblies without any channel box. SOLUTION: The spent fuel storage container includes a bottomed cylindrical trunk part 10 provided with a plurality of section parts for therein storing the spent fuel assemblies with the assemblies sectioned by ones, and is equipped with regulation members 30 disposed detachably in the section parts 22 for regulating the positions of the fuel assemblies 40 in the section parts 22. The regulation members 30 are each disposed along at least one inside wall in a section part 22. The position of each spent fuel assembly 40 in a section part 22 is brought close to an an inside wall on the opposite side of the inside wall on the side where a regulation member is disposed. COPYRIGHT: (C)2007,JPO&INPIT
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