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(11)

Thu. Sep 11, 2025 9:30 AM - 10:50 AM JST
Thu. Sep 11, 2025 12:30 AM - 1:50 AM UTC
E305
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[VI-299]Application of 3D FEM Analysis to Thrust Frame Design in Large-Diameter Shield Tunneling

*Kenji Matsumoto1, Kentaro Nango1, Ryunosuke Kashima1 (1. Shimizu Corporation)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[VI-300]Impact on the curved section of the construction of a large-cross-section, high proximity parallel shield tunnel

*Ayumi Manabe1, Yasuhiro Asa1, Kosuke Saito1, Noriyuki Yamada1, Seiji Kawai2, Takumi Otani2 (1. TAISEI CORPORATION, 2. East Nippon Expressway Company Limited)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[VI-301]Segment design of a large-section, 17.6m-diameter tunnel with multiple parallel shield tunnels

*Naohiro Onozuka1, Kenitirou Irita1, Katutoyo Yasui1, Yousuke Shimo2, Nobuhiko Oka2, Tsubasa Nishikawa2, Ryunosuke Kashima3 (1. Shimizu-Takenakacivil engineering&construction-Toa joint venture, 2. West Nippon Expressway Company Limited, 3. Shimizu corporation)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[VI-302]Case of segment buckling in small diameter slurry shield

*Genki Hasegawa1, Satoshi Murase2, Daisuke Simohara2, Tetsuji Oshima1, Yoshitsugu Hino1, Aoi Tatsuya1 (1. OBAYASHI CORPORATION, 2. OSAKA GAS NETWORK)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[VI-303]An attempt to estimate segment stresses from the internal deformation of shield tunnel

*Naomichi Kiyama1, Yasuhiro Asa1, Atsushi Tanaka1, Jun Ito1, Nobuyasu Tatsuzawa2, Rie Kumano2, Satoko Shinoda2 (1. TAISEI CORPORATION, 2. TOKYO METROPOLITAN GOVERNMENT)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[VI-304]Engineering Study on Optimization of Stress Relaxation Testing for Shield Tunnel Segment with Sealing Material under High Water Pressure

*Naoyuki Oshida1, Takashi Miura1, Keisuke Iwanaga1, Syogo Nomura1, Susumu Shibao1 (1. Central Japan Railway Company)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[VI-305]Analysis of the Mechanism of Stress Relaxation for Shield Tunnel Segment with Sealing Material under High Water Pressure

*Takashi Miura1, Naoyuki Oshida1, Keisuke Iwanaga1, Syogo Nomura1, Susumu Shibao1, Shigeki Kinoshita2 (1. Central Japan Railway Company, 2. Okumura Corporation)
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

[VI-306]Full-scale experiment of waterproof structure between boxes in the Harmonica method

*Shigeo Nishio1, Kazuo Takamizawa1, Tutomu Taniguchi1 (1. TAISEI corporation)
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