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Jo, Mayumi*; Motoshima, Takayuki*; Iso, Sachie*; Shirase, Mitsuyasu*; Kobayashi, Masato*; Nakayama, Masashi
no journal, ,
Radioactive waste needs to be managed responsibly even after the waste is transported to the final disposal site. Reversibility and retrievability are also required in high level radioactive waste disposal project. From the viewpoint of the technical feasibility of the retrievability, the development of a technology for removing the bentonite backfilling material surrounding the PEM without damaging the PEM is expected. In this paper, we selected the mechanical removal technology using the auger method and verified the feasibility of selected technology in Horonobe URL, depth of 350 meters.
Goke, Mitsuo*; Okihara, Mitsunobu*; Toguri, Satohito*; Matsui, Hiroya; Ozaki, Yusuke; Mochizuki, Akihito; Maemura, Tsuneyuki*; Ito, Ryo*
no journal, ,
The report summarized the overview and the results of mechanical simulation about a case study for long term changing of the geological environment around a drift in Horonobe URL.
Ito, Ryo*; Maemura, Tsuneyuki*; Matsui, Hiroya; Ozaki, Yusuke; Mochizuki, Akihito; Goke, Mitsuo*; Okihara, Mitsunobu*; Toguri, Satohito*
no journal, ,
The report summarized the hydrological simulation about a case study for long term changing of the geological environment around a drift in Horonobe URL.