RADIOACTIVE CONTAMINATED MATERIAL STORAGE FACILITY AND CONSTRUCTION METHOD THEREOF

PROBLEM TO BE SOLVED: To provide a storage facility for storing safely and in a large quantity a radioactive contaminated material composed of a surface layer soil, debris, sludge, a burned ash or the like in a region which are contaminated by radioactive fine particles quickly at a low cost.SOLUTIO...

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Hauptverfasser:	WATANABE SEIJI, ABUKAWA HARUO, NOMURA NOBUAKI, YASUOKA HIRONORI, SEKI KATSUTERU
Format:	Patent
Sprache:	eng
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a storage facility for storing safely and in a large quantity a radioactive contaminated material composed of a surface layer soil, debris, sludge, a burned ash or the like in a region which are contaminated by radioactive fine particles quickly at a low cost.SOLUTION: The storage facility includes: a domy structure formed by connecting corrugated steel plates; a base supporting the domy structure; and a wall-partition structure provided with an interval from the domy structure inside the domy structure. The wall-partition structure is composed of a wall-like body surrounding a prescribed area of the interior of the domy structure. The domy structure is composed of a combination of hyperbolic sheets formed by bending the corrugated steel plates at a prescribed curvature in a longitudinal direction. A radiation shield material may be interposed between the domy structure and the wall-partition structure.