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Aoyagi, Kazuhei; Ozaki, Yusuke; Hayano, Akira; Ono, Hirokazu; Tachi, Yukio
Nihon Genshiryoku Gakkai-Shi ATOMO
, 67(6), p.354 - 358, 2025/06
Japan Atomic Energy Agency launched the Horonobe International Project (HIP) utilizing the Horonobe Underground Research Laboratory. The main objectives of this project are to develop and demonstrate advanced technologies to be used in repository design, operation and closure and a realistic safety assessment in deep geological disposal, and to encourage and train the next generation of engineers and researchers. In this review, an overview of the HIP is presented.
M
ri, A.*; Mazurek, M.*; Ota, Kunio; Siitari-Kauppi, M.*; Eichinger, F.*; Leuenberger, M.*
Minerals (Internet), 11(10), p.1072_1 - 1072_17, 2021/10
Times Cited Count：4 Percentile：29.79(Geochemistry & Geophysics)Takayama, Yusuke; Sato, Toshinori; Onoe, Hironori; Iwatsuki, Teruki; Saegusa, Hiromitsu; Onuki, Kenji
Dai-43-Kai Gamban Rikigaku Ni Kansuru Shimpojiumu Koenshu (CD-ROM), p.313 - 318, 2015/01
In the Mizunami Underground Research Laboratory, groundwater recovery experiment is being conducted to construct the method to understand the transition of geological environment due to groundwater recovery at the -500m access and research gallery-north. As a part of this experiment, backfill test is planned using drilling pits filled with artificial materials (clay and concrete) to evaluate the influence on the surrounding rock mass due to the interaction of rock and artificial materials. In this study, numerical simulation of the backfill test has been carried out to predict the qualitative hydro-mechanical behavior.
Naruse, Yuji; Matsuda, Yuji;
Fusion Engineering and Design, 12, p.293 - 317, 1990/00
Times Cited Count：78 Percentile：98.19(Nuclear Science & Technology)no abstracts in English
Nishiwaki, Takafumi*; Ogawa, Koji*; Aoki, Kazuhiro; Yoshida, Takumi
no journal, ,
Various physical and mechanical tests were performed on shallow borehole cores (
30 m) taken from the activated Shionohira and the non-activated Kuruma faults associated with the April 2011 Fukushima-ken Hamadori earthquake. The results showed (1) low strength constants and elastic constants for the fault damage zone samples compared to the host rocks; (2) different physical properties for fault gouge, fault breccia, and Cataclasite of the fault damage zone; and (3) for fault gouge, the importance of considering the stress factor on the fault plane. Data accumulation from various fault damage zones is needed to gain better understanding of the physical properties of the fault damage zone.
