2026 Annual Meeting
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Session Details

Oral presentationV. Nuclear Fuel Cycle and Nuclear Materials : 505-2 Waste Disposal and Its Environmental Aspects

[2B01-06]Bentonite

Thu. Mar 12, 2026 9:35 AM - 11:15 AM JST
Thu. Mar 12, 2026 12:35 AM - 2:15 AM UTC
Room B(Kumamoto-jo Hall 4F Conference RoomA2)
Chair:Atsuo YAMADA(HAZAMA ANDO)
9:35 AM - 9:50 AM JST(12:35 AM - 12:50 AM UTC)

[2B01]Bayesian estimation method for evaluating the macroscopic permeability coefficient of bentonite layers

*Ryo Nakabayashi1, Yasutaka Watanabe1, Shingo Yokoyama1, Daisuke Sugiyama1 (1. CRIEPI)
9:50 AM - 10:05 AM JST(12:50 AM - 1:05 AM UTC)

[2B02]Influences of Supersaturated Silicic Acid on Aggregation of Bentonite Colloid

*Ryota Sugiki1, Tsugumi Seki1, Taiji Chida1 (1. Tohoku Univ.)
10:05 AM - 10:20 AM JST(1:05 AM - 1:20 AM UTC)

[2B03]Analytical Evaluation of the Effect of Sulfate Leaching from Waste Forms on Bentonite Permeability and Consideration of the Mechanism

*Tatsuo Saito1 (1. JAEA Radioactive Wastes Disposal Center)
10:20 AM - 10:35 AM JST(1:20 AM - 1:35 AM UTC)

[2B04]Prediction of hydraulic conductivity in compacted bentonite considering basal spacing

*Tatsuya Kijima1, Takuma Sawaguchi2 (1. Nuclear Regulation Authority, 2. Japan Atomic Energy Agency)
10:35 AM - 10:50 AM JST(1:35 AM - 1:50 AM UTC)

[2B05]Development of ultra-trace analysis technology for radwaste and fuel debris analysis(7)Long-term migration behavior of Pu and Np in bentonite

*Kazuya Idemitsu1, Yasuyuki Shikamori1, Dai Nakano1 (1. Tohoku University)
10:50 AM - 11:05 AM JST(1:50 AM - 2:05 AM UTC)

[2B06]Diffusion behaviors of Cu2+ ,Na+ and HTO in montmorilloniteEffect of charge compensation on diffusivities.

*Yuta Konno1, Kanata Kato1, Tamostu Kozaki1, Naoko Watanabe1, Yuka Morinaga1 (1. Hokkaido Univ.)
11:05 AM - 11:15 AM JST(2:05 AM - 2:15 AM UTC)

Time reserved for Chair

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