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Isobe, Hiroshi;
Journal of Nuclear Science and Technology, 32(4), p.372 - 373, 1995/04
Times Cited Count：0 Percentile：0.41(Nuclear Science & Technology)no abstracts in English
Isobe, Hiroshi;
Genshiryoku Kogyo, 41(5), p.68 - 72, 1995/00
no abstracts in English
Watanabe, Yusuke; Hayashida, Kazuki; Murakami, Hiroaki; Iwatsuki, Teruki
no journal, ,
In the geological disposal project of high-level radioactive waste, a disposal facility will be constructed in depths deeper than 300 m. In this study, the simulated experimental tunnel was constructed in the granite of 500 m depth at Mizunami Underground Research Laboratory, and the hydrochemical process after the tunnel closure was observed.
Yamazaki, Kazutoshi*; Takao, Hajime*; Kikuchi, Takahiro*; Kuriki, Yoshiro*; Kobayashi, Masato*; Kawakubo, Masahiro*; Shirase, Mitsuyasu*; Iwata, Yumiko*; Tochigi, Yoshikatsu*; Nakayama, Gen*; et al.
no journal, ,
Among factors affecting the corrosion behavior of carbon steel overpack, in order to consider materials (size) and realistic environmental factors which are difficult to reproduce in the laboratory scale test, engineering scale tests in the underground environment were carried out. A mock-up test of the same scale was also carried out on the ground with the aim of controlling and evaluating factors that govern the corrosion phenomenon. As a result of the test for about 3 years, there was no big difference between the average corrosion amount and the maximum corrosion amount of the simulated overpack base metal and the welded part. On the other hand, unlike the laboratory scale test, localization of corrosion due to the adhesion between the buffer material and the simulated overpack was also confirmed during the initial transient period.
Amano, Yuki; Beppu, Hikari*; Sato, Tomofumi*; Mochizuki, Akihito; Thomas, B. C.*; Banfield, J. F.*
no journal, ,
