Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

地盤改良(3)

Fri. Sep 12, 2025 1:30 PM - 2:50 PM JST
Fri. Sep 12, 2025 4:30 AM - 5:50 AM UTC
231
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[VI-1319]Frost heave suppression plan for controlling frost heave in large cross-section, large depth, and large-scale freezing

*Hiroshi Ogura1, Nobuyasu Tatsuzawa2, Rie Kumano2, Satoko Shinoda2, Atsushi Tanaka3, Zyun Itou3, Kazuo Yoneda3, Yoshitaka kii4, Kazutaka Tomida1 (1. Seiken Corporation, 2. Tokyo Metropolitan Government, 3. Taisei Corporation, 4. Kajima Corporation)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[VI-1320]Methods and Results of Operation and Management of Artificial ground freezing method in large cross-section, deep depth, large-scale freezing

*Rintaro Igarashi1, Ogura Hiroshi1, Tomida Kazutaka1, Tatsuzawa Nobuyasu2, Kumano Rie2, Shinoda Satoko2, Tanaka Atsushi3, Itou Zyun3, Yoneda Kazuo3, Kii Yoshitaka4 (1. Seiken Corporation, 2. Tokyo Metropolitan Government, 3. Taisei Corporation, 4. Kajima Corporation)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[VI-1321]Prediction of Freeze-up and Actual Freeze-up Effects in Deep and Large-Scale Freezes

*Yusei Yumisashi1, Tanaka Atushi1, Tatuzawa Nobuyasu2, Kumano Rie2, Shinoda Satoko2, Ogura Hiroshi3, Tomita Kazutaka3 (1. TAISEI CORPORATION, 2. Tokyo Metropolitan Government, 3. Seiken Corporation)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[VI-1322]Performance of Large-Diameter Slurry Shield Tunneling in Frozen Ground

*Komaki Tashiro1, Nobuyasu Tatsuzawa2, Rie Kumano2, Satoko Shinoda2, Atsushi Tanaka3, Kazuo Yoneda3, Jun Itou3, Yoshitaka Kii1 (1. Kajima Corporation, 2. Tokyo Metropolitan Government, 3. Taisei Corporation)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[VI-1323]Results of frozen soil cutting using water jet method in large section slurry shield

*Shogo Yagi1, Nobuyasu Tatsuzawa2, Rie Kumano2, Satoko Shinoda2, Atsushi Tanaka1, Jun Ito1 (1. Taisei Corporation, 2. Tokyo Metropolitan Government)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[VI-1324]Ground freezing method for large scale shield tunneling
Insulation methods for bit replacement work (Part 1: Detailed plan)

Nobuyasu Tatsuzawa1, Rie Kumano1, Satoko Shinoda1, Atsushi Tanaka2, Zyun Itou2, Kazuo Yoneda2, Yoshitaka Kii2, *Katsuyoshi Kobayashi3 (1. Tokyo Metropolitan Government, 2. Taisei Corporation, 3. Kajima Corporation)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[VI-1325]Insulation methods during bit replacement work using ground freezing method in large diameter shield (Part 2: Verification of insulation effect)

*Fumiki Momose1, Issei Sato1, Hideki Nagatani1, Yoshitaka Kii1, Komaki Tashiro1, Nobuyasu Tatsuzawa2, Rie Kumano2, Satoko Shinoda2, Takeshi Mori3, Susumu Kamei3, Akira Kai3, Shinya Kudo3, Motoki Ichihara3, Ryuichi Nagaoka3 (1. Kajima Corporation, 2. Tokyo Metropolitan Government, 3. Hoshin Co., Ltd.)
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