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(12)

Thu. Sep 11, 2025 11:10 AM - 12:30 PM JST
Thu. Sep 11, 2025 2:10 AM - 3:30 AM UTC
E305
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-307]Design of the Equipment Room in the Shield Tunnel for the Sapporo Section, Sasson Tunnel, Hokkaido Shinkansen

*Kento Inada1, Atsushi Suzuki1, Takahisa Ando2, Kyohei Ueda2 (1. Japan Railway Construction, Transport and Technology Agency, 2. OBAYASHI CORPORATION)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-308]Management plan for plasticity and fluidity of mud in the chamber and face pressure in 17.68m-diameter large-cross-section mud-pressure shield

*Yuki Ito1, Satoshi Nakamura1, Yosuke Shimo2, Nobuhiko Oka2, Tsubasa Nishikawa2 (1. Shimz-Takenakadoboku-Toa JV, 2. est Nippon Expressway Company Limited Kansai branch Shinmeishin Osaka Higashi Office)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[VI-309]Excavated soil volume control plan for large-diameter mud pressure shield of Φ17.68m

*Taiga Yokoyama1, Hokuto Iida1, Yosuke Shimo2, Nobuhiko Oka2, Tsubasa Nishikawa2 (1. Shimizu・TakenakaDoboku・Toua JV, 2. West Nippon Expressway Company Limited, Kansai Branch Shin-Meishin Osaka East Office)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[VI-310]Study of surfacing countermeasures for work efficiency in shield tunnels

*Hinata Ishii1, Keisuke Doi1, Kenji Obara1, Yoshimasa Kyoya2, Masanori Ota2, Hiroshi Kawashima2 (1. Metropolitan Expressway Co., Ltd., 2. TAISEI CORPORATION)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[VI-311]Study on the fundamental properties of primary lining concrete for SENS during construction

*Daisuke Komatsu1, Tomishige Hiraishi1, Yosuke Toma2, Hiroomi Iida3 (1. Kumagai Gumi Co.,Ltd., 2. Japan Railway Construction, Transport and Technology Agency, 3. Japan Society of Railway Engineering for Construction)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[VI-312]Study on the hardening process of primary lining concrete for SENS during construction

*Tomishige Hiraishi1, Disuke Komatsu1, Yousuke Toma2, Hiroomi Iida3 (1. Kumagai Gumi Co.,Ltd, 2. Jpan Railway Construction,Transport and Technology Agency, 3. Japan Society Of Railway Engineering For Construction (JREC))
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[VI-313]Report on innovations related to construction using design and construction for high-speed construction of small-diameter shield works.

*Nobutada Miyamoto1, Tadashi Yoshizawa2, Yurie Tanida2 (1. Joint Venture of Shimizu,Takenaka,Iwata,Sakata, 2. Shimizu Corporation)
12:20 PM - 12:30 PM JST(3:20 AM - 3:30 AM UTC)

[VI-314]Fundamental study of foamed mud for mud shield tunneling method

*Yuya Obayashi1, ISSEI SATO1, Naoko Shimmoto1, Hideki NAGATANI1 (1. Kajima Corporation)
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