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Onuma, Yuichi; Ishida, Takuya; Sakata, Ikuma*; Kodaira, Akira*; Sakai, Jun*; Oba, Seiichiro*; Kanno, Masaru; Saito, Takashi; Kinase, Muneyuki*; Ishitsuka, Etsuo
JAEA-Technology 2008-078, 39 Pages, 2008/12
Decommissioning of the water loop irradiation facility polluted by fission products and cruds was studied, and the reasonable waste classification occurring by the decommissioning was also studied. A out-pile equipment of the irradiation loop facility installed in JMTR is considered as a decommissioning object. Measurement of ambient dose rate in the out-pile facility and evaluation of the deposited radionuclide concentration in the cooling pipe were carried. In result, it was clear that the significant radionuclide is Co, and that occurred waste can classify as the shallow-ground trench disposal level, clearance level, non-radioactive waste. Furthermore, through the investigation of the cutting method for minimizing secondary waste generation, plumbing cutting machine with preventing scattering function was developed by trial manufactured cutter that surrounds the cutting pipe by box.
Matsubayashi, Masahito; Tsuruno, Akira; Kodaira, Tsuneo; *
Nuclear Instruments and Methods in Physics Research A, 377, p.107 - 110, 1996/00
Times Cited Count:14 Percentile:74.12(Instruments & Instrumentation)no abstracts in English
Kodaira, Tsuneo; Tsuruno, Akira; Matsubayashi, Masahito
Genshiryoku Kogyo, 41(2), p.29 - 36, 1995/00
no abstracts in English
Tsuruno, Akira; Matsubayashi, Masahito; Kodaira, Tsuneo; *
Proc. of 2nd Int. Topical Meeting on Neutron Radiography System Design and Characterization, 0, p.288 - 289, 1995/00
no abstracts in English
Matsubayashi, Masahito; Tsuruno, Akira; Ichikawa, Hiroki; Kodaira, Tsuneo; Shirai, Eiji
Proceedings of 4th Asian Symposium on Research Reactors (ASRR-4), p.192 - 197, 1993/00
no abstracts in English
Takahashi, Hidetake; ; Hoshi, Michio; Funahashi, Satoru; Tsuruno, Akira; Kodaira, Tsuneo
Enerugi Rebyu, 11(10), p.4 - 30, 1991/09
no abstracts in English