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2）

Wed. Sep 2, 2026 11:00 AM - 12:20 PM JST
Wed. Sep 2, 2026 2:00 AM - 3:20 AM UTC
Room 33, 3rd Floor, Building 3 (Hokkai-Gakuen University)
11:00 AM - 11:10 AM JST(2:00 AM - 2:10 AM UTC)

[CS12-09]Development of Borehole Sealing Technology(Part1) -Hydraulic Conductivity of Sealing Material(Bentonite Pellets)-

*Kenji Ishii1, Akihiro Matsumoto1, Yusuke Nakajima1, Michitaka Okamoto1, Ichizo Kobayashi1, Shoji Seno1, Kazuki Sasaki2, Takahisa Endo2, Takanori Kunimaru2 (1. KAJIMA CORPORATION, 2. Nuclear Waste Management Organization of Japan)
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[CS12-10]Development of Borehole Sealing Technology (Part 2):
Simulated Emplacement Test of Bentonite Pellets

*Yusuke Nakajima1, Akihiro Matsumoto1, Kenji Ishii1, Michitaka Okamoto1, Ichizo Kobayashi1, Shoji Seno1, Kazuki Sasaki2, Takahisa Endo2, Takanori Kunimaru2 (1. KAJIMA CORPORATION, 2. Nuclear Waste Management Organization of Japan)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[CS12-11]Research on Swelling Inhibition and Emission Improvement by Coating Bentonite Pellets

*Takanobu Sakamoto1, Mitsunobu Okihara1, Nemoto Hiroshi1, Nakashima Hitoshi1, Akira Saito1, Yoshiaki Takahashi2, Takahisa Endo2, Hiroyuki Sai2 (1. SHIMIZU CORPORATION, 2. Nuclear Waste Management Organization of Japan)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[CS12-12]EDZ Evaluation Technique for Rock Mass Surrounding Cavities Using Borehole Loading Test

*Shohei Kawakubo1, Takeshi Kato2, Hodaka Aizawa2, Hirokazu Ohno3 (1. HAZAMA ANDO CORPORATION, 2. Kawasaki Geological Engineering Co., Ltd., 3. Japan Atomic Energy Agency)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[CS12-13]Influence of fractures on borehole temperature variations during temperature logging with pumping

*Haruki Goutani1, shinya tachibana1, yusuke takayama1, masayuki ishibashi2 (1. Kobe University, 2. kajima corporation)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[CS12-14]Accuracy Verification of Fracture Aperture Calculation through Coordinate System Unification and Image Alignment of Elevation Maps

*Natsuki Koga1, Riku Ito1, Shinichiro Nakashima1 (1. Yamaguchi University)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[CS12-15]Validation of a Technique for Automated Fracture Orientation Evaluation Using Point Cloud Data

*Masayuki Ishibashi1, Hayato Tobe1, Keisuke Kurihara1, Desmy HALIM1 (1. KAJIMA Corporation)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[CS12-16]Prediction of Shaft Lining Concrete Placement Volume Using Point Cloud Data

*Keisuke Yagi1, Satoru Sanoki2, Akira Hayano3 (1. Taisei Corporation, 2. Geo-Science Laboratory, 3. Japan Atomic Energy Agency)
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