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Journal Articles

Long-term alteration of bentonite; For safety evaluation of deep geological disposal

Tanaka, Tadao; Sakamoto, Yoshifumi; Yamaguchi, Tetsuji; Takazawa, Mayumi; Akai, Masanobu; Negishi, Kumi; Iida, Yoshihisa; Nakayama, Shinichi

JAERI-Conf 2005-007, p.105 - 110, 2005/08

https://jopss.jaea.go.jp/pdfdata/JAERI-Conf-2005-007.pdf

Highly alkaline environments induced by cementitious materials in radioactive waste repositories are likely to dissolve and to alter montmorillonite, the main constituent of bentonite buffer materials. For the prediction of the long-term variations in permeability of compacted sand-bentonite mixtures, long-term alteration of bentonite should be quantified based on information accumulated by using the compacted or powdered bentonite materials, with batch experiments or column experiments. In this study, we summarize distinctive information obtained from various experimental systems, and propose functional and effective integration of experimental approaches to prediction of bentonite alteration.

JAEA Reports

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PNC TJ1308 95-002, 628 Pages, 1995/02

PNC-TJ1308-95-002.pdf:30.0MB

None

Oral presentation

Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station, 41; Determination of degradation acceleration on solidified body by efflorescence test

Sato, Junya; Kuramochi, Ryo*; Shimizu, Koki; Matsumoto, Saori; Taniguchi, Takumi; Kuroki, Ryoichiro; Osugi, Takeshi

no journal, ,

no abstracts in English

Oral presentation

Research on intermediate depth disposal of wastes from reactor core internals etc.

Yamaguchi, Tetsuji

no journal, ,

no abstracts in English

Oral presentation

Research and development on preceding processing methods for contaminated water management waste at Fukushima Daiichi Nuclear Power Station, 49; Evaluation of long-term alteration and acceleration of crystalline phase transformation of room temperature treated materials by efflorescence test

Matsumoto, Saori; Kuramochi, Ryo*; Shimizu, Koki; Sato, Junya; Taniguchi, Takumi; Kuroki, Ryoichiro; Okada, Takashi; Yoshida, Yukihiko; Osugi, Takeshi

no journal, ,

no abstracts in English