Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル（覆工・吹付）(2)

Thu. Sep 11, 2025 11:10 AM - 12:30 PM JST
Thu. Sep 11, 2025 2:10 AM - 3:30 AM UTC
223
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-533]10.5m flow experiment using medium flowable concrete for tunnel lining

*Hideaki Nishiura1, Rin Mori2, Kazuhiro Nakamura2, Masahiro Ito1, Yoshitaka Shitozawa1, Kuniaki Sakurai1 (1. OBAYASHI CORPORATION, 2. West Nippon Expressway Co., Ltd)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-534]A study on the quality control methods for high-flow concrete used for tunneling that is manufactured by fluidized on site

*Hinako ROPPONGI Roppongi1, Shuji Matsumoto1, Hiroyuki Hino1, Ayumi Ido1, Ryoichi Ashizawa1, Yasunari Tezuka1, Kentaro Maruyama2 (1. KAJIMA corporation, 2. Central Nippon Expressway Company Limited)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[VI-535]Construction record of fully automated lining construction system using on-site fluidized lining concrete

*Hiroyuki Hino1, Ayumi Ido1, Tomoya Suezaki1, Yasunari Tezuka1, Syuji Matsumoto1, Hinako Roppongi1, Kentaro Maruyama2 (1. KAJIMA CORPORATION, 2. Central Nippon Expressway Company Limited)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[VI-536]Advancements Toward Automation and High-Quality Construction of Semi-self Compacting Concrete Linings

*Kenta Kondo1, Hideaki Nishiura1, Tomohiro Nishimura1, Tomohiro Tanaka1, Ryota Tanaka1, Tsutomu Azuma1 (1. OBAYASHI CORPORATION)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[VI-537]Construction of lining concrete using medium flow concrete and shortening of construction period

*Go Araki1, Kouichi Kimura1 (1. maedakennsetukougyou)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[VI-538]Fundamental study on high flow concrete with reduced cement content by increasing air content

*Aya Nishizawa1, Kuniaki Sakurai1, Hideaki Nishiura1 (1. Obayashi Corporation)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[VI-539]Productivity Improvement of Tunnel Lining using Low-Carbon Self-Compacting Concrete

*Hiromitsu Koyama2, Yoshihiko Yukawa1, Shinya Kitagawa2, Koichi Nakatani2, Shosuke Fujiwara2, Takeshi Aizaki3, Yasuhisa Hayashi3, Tadashi Kurose4, Kazuki Nakahara4, Toshiki Yoshibe5 (1. Chugoku Regional Development Bureau, MLIT, 2. SATO KOGYO CO., LTD., 3. GIFU INDUSTRY CO., LTD., 4. Namacon Nagato Co., Ltd., 5. Chugoku Koatsu Concrete Industries Co., Ltd.)
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