How to install nuclear fuel storage rack, nuclear fuel storage rack, and how to manufacture nuclear fuel storage rack

摘要

PROBLEM TO BE SOLVED: To reduce stress related to a rack structural member in a free standing type. SOLUTION: An outer frame 11B surrounding the nuclear fuel to be stored, a base 11A to which the lower end of the outer frame 11B is attached to support the lower end of the nuclear fuel, and an underwater floor of a storage pit 101 attached to the bottom surface of the base 11A. It includes a leg portion 11D mounted on the surface 101a, and a collision member 13 having an outer protruding portion 13A protruding outward from the outer frame 11B from the base 11A. [Selection diagram] Fig. 3