[VI] シールドトンネル(4) | Japan Society of Civil Engineers 2025 Annual Meeting

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Session Details

Oral PresentationSection VI

シールドトンネル(4)

Thu. Sep 11, 2025 3:10 PM - 4:30 PM JST
Thu. Sep 11, 2025 6:10 AM - 7:30 AM UTC

E205

3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[VI-267]Change over time for properties of foam and foam-mixed soil

*Kenta Okamoto¹, Noritaka Sakamoto¹, Makoto Kozawa¹, Yuuki Ookubo¹, Yui Sera¹ (1. PENTA-OCEAN CONSTRUCTION)

3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[VI-268]Assessment methods for flowabilities of foam-mixed soil under pressure condition

*Yui Sera¹, Noritaka Sakamoto¹, Makoto Kozawa¹, Kenta Okamoto¹, Yuuki Ookubo¹ (1. PENTA-OCEAN CONSTRUCTION)

3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[VI-269]Test of foam-mixed soil by shield machine model and assessment

*Hayato Kamioka¹, Noritaka Sakamoto¹, Noboru Inoashi¹, Makoto Kozawa¹, Takahiro Takiguchi¹, Kenta Okamoto¹, Yuuki Ookubo¹, Yui Sera¹, Masaya Hara¹ (1. PENTA-OCEAN CONSTRUCTION)

3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[VI-270]Confirmation of back-fill grouting performance for application to high water pressure shield construction

*Satoshi Abe¹, Minao Maruyama¹, Shinji Takigawa², Naoki Hirahara², Kazuho Kuroki³, Tatsumi Kasai³, Chiaki Watanabe⁴, Shinichi Terasawa⁵, Ryouichi Shimizu⁶ (1. KAJIMA Corporation, 2. TAC Corporation, 3. FUSOH Steel Tubes Corporation, 4. Ftechno Corporation, 5. TAICO Trading Corporation, 6. IHI Building Materials Corporation)

3:50 PM - 4:00 PM JST(6:50 AM - 7:00 AM UTC)

[VI-271]Proposal of initial strength estimation method by simple strength measuring instrument for shield backfill injection materials.

*Sugina Mori¹, Tomoya Yoshida¹, Nobuyasu Yoshida¹, Shinji Takigawa¹, Tomohiro Shiotani² (1. TAC Corporation, 2. GRI Foundation)

4:00 PM - 4:10 PM JST(7:00 AM - 7:10 AM UTC)

[VI-272]Development of environmentally friendly backfill grouting material using biochar

*Chihiro Koeda¹, Makoto Nakai¹, Toshihiko Miura¹, Shoko Yashio¹, Akira Shimmura¹, Tomoya Yoshida², Nobuyasu Yoshida² (1. OBAYASHI CORPORATION, 2. TAC CORPORATION)

4:10 PM - 4:20 PM JST(7:10 AM - 7:20 AM UTC)

[VI-273]Development of environmentally friendly single-component filler material using biochar

*Alireza Afshani¹, Makoto Nakai¹, Toshihiko Miura¹, Shouko Yashio¹, Akira Shimmura¹, Yasuhiro Sakai¹, Tomoya Yoshida², Nobuyasu Yoshida² (1. Obayashi Corporation, 2. TAC Corporation)

4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[VI-274]Development of environmentally friendly shield backfill injection material that significantly reduces CO₂ emissions

*Shota Kondo¹, Yasushi MorIta¹, Shigeyoshi Miyahara¹, Masahiro Ozeki¹, Takahumi Meguro¹, Kiyohiro Nagaoka², Jon Suzuki², Hiroki Fukushima², Go Hirayama³ (1. Taisei Corporation, 2. Bensun Engineering Corporation, 3. Ube Material Industries, Ltd.)

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