Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Treatment and Disposal of Radioactive Waste and Radioactively Contaminated Waste

放射性廃棄物・放射性物質汚染廃棄物等の処理・処分（その7）

Thu. Sep 3, 2026 4:50 PM - 6:10 PM JST
Thu. Sep 3, 2026 7:50 AM - 9:10 AM UTC
Room 33, 3rd Floor, Building 3 (Hokkai-Gakuen University)
4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[CS12-45]Study on Construction Technology for Upper Internal Waterproofing Material in Low-Level Radioactive Waste Disposal Facilities - Part 1

*Masaki Kimura1, Yuuki Itou1, Neo Yamazaki1, Nobumitsu Takeuchi2, Masayoshi Fujita2 (1. JAPAN NUCLEAR FUEL LIMITED, 2. SHIMIZU CORPORATION)
5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[CS12-46]Study on Construction Technology for Upper Internal Waterproofing Material in Low-Level Radioactive Waste Disposal Facilities - Part 2

*Nobumitsu Takeuchi1, Masayoshi Fujita1, Yuuki Itou2, Masaki Kimura2, Neo Yamazaki2 (1. SHIMIZU CORPORATION, 2. JAPAN NUCLEAR FUEL LIMITED)
5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[CS12-47]Two Approaches to Evaluating the Macroscopic Hydraulic Conductivity of Engineered Soil

*Masayoshi Kuji1, Kazumasa ITOU1, Takashi WATANABE2 (1. Maeda Corporation, 2. KOZO KEIKAKU ENGINEERING Inc.)
5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[CS12-48]Study on the Quality Evaluation Method of Sand-Bentonite Mixed Soil: Assessment of the Validity of Converted Permeability Coefficients Using Alternative Indicators

*Yoshikatsu Yonemaru1, Ichizo Kobayashi1, Hiroshi Kobayashi1, Kunihiro Oyamada1, Kenji Ishii1, Yusuke Nakajima1, Masashi Ota2, Ryosuke Takano2, Satoshi Yoshida2, Koumei Ishiguro2 (1. KAJIMA Corporation, 2. JAPAN NUCLEAR FUEL LIMITED)
5:30 PM - 5:40 PM JST(8:30 AM - 8:40 AM UTC)

[CS12-49]Statistical evaluation method of coefficient of permeability

*Komei Ishiguro1, Masashi Ohta1, Tatsuhiro Mitsuke1, Ryosuke Takano1, Satoshi Yoshida1 (1. JNFL)
5:40 PM - 5:50 PM JST(8:40 AM - 8:50 AM UTC)

[CS12-50]Field Construction Tests on the Rainfall Resistance of Bentonite–Gravel–Sand Mixtures

*Ryo Kanamoto1, Ichizo Kobayashi1, Kenji Ishii1, Hiroshi Kobayashi1, Kunihiro Oyamada1, Yoshikatsu Yonemaru1, Masashi Oota2, Koumei Ishiguro2, Ryousuke Takano2, Satoshi Yoshida2 (1. Kajima Corporation, 2. Japan Nuclear Fuel Limited)
5:50 PM - 6:00 PM JST(8:50 AM - 9:00 AM UTC)

[CS12-51]Evaluation of the rainfall resistance of gravel- and sand-mixed bentonite soil

*Shota Yuasa1, Kenji Ishii1, Ichizo Kobayashi1 (1. Kajima Corporation)
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