Disassembly of JT-60 tokamak device and ancillary facilities for JT-60 tokamak
岡野 文範; 市毛 尚志; 三代 康彦; 神永 敦嗣; 笹島 唯之; 西山 友和; 柳生 純一; 石毛 洋一; 鈴木 宏章; 小室 健一; 逆井 章; 池田 佳隆
Okano, Fuminori; Ichige, Hisashi; Miyo, Yasuhiko; Kaminaga, Atsushi; Sasajima, Tadayuki; Nishiyama, Tomokazu; Yagyu, Junichi; Ishige, Yoichi; Suzuki, Hiroaki; Komuro, Kenichi; Sakasai, Akira; Ikeda, Yoshitaka
The disassembly of JT-60 tokamak device and its peripheral equipments, where the total weight was about 5400 tons, started in 2009 and accomplished in October 2012. This disassembly was required process for JT-60SA project, which is the Satellite Tokamak project under Japan-EU international corroboration to modify the JT-60 to the superconducting tokamak. This work was the first experience of disassembling a large radioactive fusion device based on Radiation Hazard Prevention Act in Japan. The cutting was one of the main problems in this disassembly, such as to cut the wielded parts together with toroidal field coils, and to cut the vacuum vessel into two. After solving these problems, the disassembly completed without disaster and accident. This report presents the outline of the JT-60 disassembly, especially tokamak device and ancillary facilities for tokamak device.
使用言語 : Japanese
報告書番号 : JAEA-Technology 2014-003
ページ数 : 125 Pages
発行年月 : 2014/03
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登録番号 : TN20140003
抄録集掲載番号 : 42000407
Accesses  (From Jun. 2, 2014)
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