Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Poster PresentationRadioactive Waste Treatment/Disposal

放射性廃棄物の処理・処分(4)

Fri. Sep 12, 2025 1:00 PM - 2:20 PM JST
Fri. Sep 12, 2025 4:00 AM - 5:20 AM UTC
Wo

[12PM1-Wo-01]Development of construction technologies for backfill in geological disposal:(1)Basic policy of research and development and block emplacement method

*Takayuki Abe1, Masahiro Kawakubo1, Osamu Taira1 (1. Radioactive Waste Management Funding and Research Center)

[12PM1-Wo-03]Development of construction techniques for backfill materials in geological disposal (Part 2) Block Method -Study on the method and procedure for placing blocks of backfill material-

*Kazutoshi Yamazaki1, Takayuki Abe2, Osamu Taira2, Makoto Ono3, Sachie Iso3, Hajime Takao1, Kazuhito Niwase1, Futashi Utsuno1 (1. JGC JAPAN CORPORATION, 2. Radioactive Waste Management Funding and Research Center, 3. TAISEI CORPORATION)

[12PM1-Wo-05]Development of construction techniques for backfill materials in geological disposal (Part 3)Experimental study on self-sealing properties for backfill blocks

*Sachie Iso1, Makoto Ono1, Takayuki Abe2, Hirohito Kikuchi2, Osamu Taira2 (1. Taisei Corporation, 2. Radioactive Waste Management Funding and Research Center)

[12PM1-Wo-07]Development of construction technologies for backfill in geological disposal: (Part 4) Monitoring Technology -Quantitative evaluation of swelling process-

*Hisayuki Watanabe1, Kazumasa Koga1, Toshihiro Sakaki2, Hirokazu Fujii3, Takayuki Abe4, Masahiro Kawakubo4, Ryo Yasuda4 (1. Obayashi Corporation, 2. ESE Consulting LLC, 3. LAZOC Incorporated, 4. Radioactive Waste Management Funding and Research Center)

[12PM1-Wo-09]Development of construction technologies for backfill in geological disposal:(Part 5) Screw Feeder Method -Filling tests using the screw feeder method-

*Motoki Moriiwa1, Sumio Nyunoya1, Hisayuki Watanabe1, Ryosuke Takamatsu1, Takuo Mori1, Takayuki Abe2, Masahiro Kawakubo2, Takashi Jintoku2 (1. Obayashi Corporation, 2. Radioactive Waste Management Funding and Research Center)

[12PM1-Wo-11]Development of construction technologies for backfill in geological disposal:(No.6) Slope compaction method. - Construction test for the upper part of the tunnel -

*Ayumu Ito1, Hikaru Oguri1, Atsuo Yamada1, Masakazu Chijimatsu1, Takayuki Abe2, Hirokazu Nagasawa2 (1. Hazama Ando Corporation, 2. Radioactive Waste Management Funding and Research Center)

[12PM1-Wo-13]Experimental evaluation of thermal responses of a heated fiber-optic cable installed near a shotcrete wall

*Toshihiro Sakaki1, Berrak Firat Lüthi2 (1. ESE Consulting LLC, 2. Nagra)

[12PM1-Wo-15]Laboratory demonstration of a spatial TDR method for monitoring water level during tunnel flooding

*Hirokazu Fujii1, Toshihiro Sakaki2, Masao Uyama3, Kazumasa Koga3 (1. LAZOC Incorporated, 2. ESE Consulting LLC, 3. Obayashi Corporation)
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