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Oto, Tsutomu; Asano, Norikazu; Kawamata, Takanori; Yanai, Tomohiro; Nishimura, Arashi; Araki, Daisuke; Otsuka, Kaoru; Takabe, Yugo; Otsuka, Noriaki; Kojima, Keidai; et al.
JAEA-Review 2020-018, 66 Pages, 2020/11
A collapse event of the cooling tower of secondary cooling system in the JMTR (Japan Materials Testing Reactor) was caused by the strong wind of Typhoon No.15 on September 9, 2019. The cause of the collapse of the cooling tower was investigated and analyzed. As the result, it was identified that four causes occurred in combination. Thus, the soundness of the cooling tower of Utility Cooling Loop (UCL cooling tower), which is a wooden cooling tower installed at the same period as the cooling tower of secondary cooling system, was investigated. The items of soundness survey are to grasp the operation conditions of the UCL cooling tower, to confirm the degradation of structural materials, the inspection items and inspection status of the UCL cooling tower, and to investigate the past meteorological data. As the results of soundness survey of the UCL cooling tower, the improvement of inspection items of the UCL cooling tower was carried out and the replacement and repair of the structural materials of the UCL cooling tower were planned for safe maintenance and management of this facility. And the renewal plan of new cooling tower was created to replace the existing UCL cooling tower. This report is summarized the soundness survey of the UCL cooling tower.
Nakano, Takafumi; Sato, Fuminori; Shirozu, Hidetomo; Nakanishi, Ryuji; Fukuda, Kazuhito; Tachibana, Ikuya
Nihon Genshiryoku Gakkai-Shi ATOMO, 57(1), p.14 - 20, 2015/01
no abstracts in English
Yamazaki, Toshihiko; Uryu, Mitsuru; Nakanishi, Ryuji; Kawai, Nobuyasu*; Hashimura, Hirohiko*
Nihon Kenchiku Gakkai 2005-Nendo Taikai Gakujutsu Koen Kogaishu, p.847 - 848, 2005/09
None
Nakanishi, Ryuji; Uryu, Mitsuru; Yamazaki, Toshihiko
Nihon Kenchiku Gakkai 2005-Nendo Taikai Gakujutsu Koen Kogaishu, p.757 - 758, 2005/09
None
Nakanishi, Ryuji; Yamazaki, Toshihiko; Uryu, Mitsuru; Nagano, Masayuki*; Takemura, Masayuki*
no journal, ,
no abstracts in English
Nagano, Masayuki*; Takemura, Masayuki*; Uryu, Mitsuru; Yamazaki, Toshihiko; Nakanishi, Ryuji
no journal, ,
no abstracts in English
Nakanishi, Ryuji; Yamazaki, Toshihiko; Uryu, Mitsuru; Endo, Manabu*; Imazuka, Yoshikatsu*; Yoshida, Shinichi*
no journal, ,
no abstracts in English
Nakanishi, Ryuji; Yamazaki, Toshihiko; Uryu, Mitsuru; Endo, Manabu*; Imazuka, Yoshikatsu*; Yoshida, Shinichi*
no journal, ,
no abstracts in English
Kirita, Fumio; Uryu, Mitsuru; Yamazaki, Toshihiko; Nakanishi, Ryuji
no journal, ,
no abstracts in English
Kirita, Fumio; Uryu, Mitsuru; Yamazaki, Toshihiko; Nakanishi, Ryuji
no journal, ,
no abstracts in English
Kirita, Fumio; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Nakanishi, Ryuji; Kojima, Keidai
no journal, ,
no abstracts in English
Nakanishi, Ryuji; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Kirita, Fumio; Kojima, Keidai
no journal, ,
no abstracts in English
Hashimura, Hirohiko; Uryu, Mitsuru; Yamazaki, Toshihiko; Nakanishi, Ryuji; Kirita, Fumio; Kojima, Keidai
no journal, ,
no abstracts in English
Kirita, Fumio; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Nakanishi, Ryuji; Kojima, Keidai
no journal, ,
no abstracts in English
Osugi, Takeshi; Nakashio, Nobuyuki; Mimura, Ryuji; Nonaka, Kazuharu; Nakanishi, Yoshiki; Okoshi, Minoru; Tokizawa, Takayuki; Nakayama, Shinichi; Kimura, Takeshi*
no journal, ,
To reduce volume of wastes that consisted of plants and soil generated from decontamination works on farmland, we have produced a pilot-scale pyrolysis furnace by rotary kiln type and had some heat-treatment tests. In this reports, we shows some results of the tests on two kinds of paddy soils in Iitate-village.
Hashimura, Hirohiko; Uryu, Mitsuru; Yamazaki, Toshihiko; Nakanishi, Ryuji; Kirita, Fumio; Kojima, Keidai
no journal, ,
no abstracts in English
Kirita, Fumio; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Nakanishi, Ryuji; Kojima, Keidai
no journal, ,
no abstracts in English
Kojima, Keidai; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Nakanishi, Ryuji; Kirita, Fumio
no journal, ,
no abstracts in English
Nakanishi, Ryuji; Uryu, Mitsuru; Yamazaki, Toshihiko; Hashimura, Hirohiko; Kirita, Fumio; Kojima, Keidai
no journal, ,
no abstracts in English
Uryu, Mitsuru; Kirita, Fumio; Yamazaki, Toshihiko; Hashimura, Hirohiko; Nakanishi, Ryuji; Kojima, Keidai
no journal, ,
no abstracts in English