Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル(4)

Thu. Sep 11, 2025 3:10 PM - 4:30 PM JST
Thu. Sep 11, 2025 6:10 AM - 7:30 AM UTC
225
3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[VI-621]The shortening of construction periods for mountain tunnel heaving countermeasures
-Study of invert thinning and flattening based on analysis-

*Anna Murayama1, Sota Kawasaki1, Riku Mukai1, Yuta Nakagawa1, Yasuyuki Ichisawa1, Mitio Takasima1, Minoru Tarui2, Dong Hexiang3 (1. Okumura Corporation, 2. Geo Solution Co., Ltd.., 3. Bekaert Japan Co., Ltd..)
3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[VI-622]Effects of Variations in Some Parameters of Mountain Tunnels on the Suppression of Bulging-induced Uplift

*Masatsugu Sorimachi1, Makoto Yasuhara1, Takashi Kawamoto1, Keisuke Shimamoto2, Yuki Nakata2, Junichi Sakaguchi3 (1. Central Japan Railway Company, 2. Railway Technical Research Institute, 3. HRC Research Institute)
3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[VI-623]Field Application and Verification of Invert Construction Monitoring System

*Daiki Shimoji1, Tadayuki Hosoi1, Tsuyoshi Osaka1, Keishi Takahashi1 (1. TODA CORPORATION)
3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[VI-624]A study of construction methods based on the selection results of invert piers in Shinkansen construction

*Kohei Yamamoto1, Ryo Kashiwagi1 (1. Japan Railway Construction, Transport and Technology Agency)
3:50 PM - 4:00 PM JST(6:50 AM - 7:00 AM UTC)

[VI-625]Application of Auxiliary Methods in Fragile Mountain Areas

*Kota Kimoto1, Manabu Yamashita2, Tsuyoshi Fukuda1, Sho Yamamoto1 (1. Shimizu Corporation, 2. West Nippon Expressway Company Limited)
4:00 PM - 4:10 PM JST(7:00 AM - 7:10 AM UTC)

[VI-626]Construction of inner winding reinforcement in a tunnel in service

*Takuya Yamamoto1, Yoshikatsu Maeda1, Takumi Ishitsuka2, Daisuke Deguchi2 (1. West Nippon Expressway Company Limited, 2. Obayashi Corporation)
4:10 PM - 4:20 PM JST(7:10 AM - 7:20 AM UTC)

[VI-627]Develop of small diamater lightweight steel pipes in auxiliary method of mountain construction and report on field demonstration test results.

*Kota Yasunaga1, Yoshimichi Asai1, Jun Agata2, Motonori Kameyama3 (1. Katecs Corporation, 2. Nippon Steels Corporation, 3. Kameyama Corporation)
4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[VI-628]Development of a reusable container system and verification of reduction of environmental impact in auxiliary methods for NATM

*Toshikazu Hosomi1, Koji Yasuda1, Masao Kusumoto1, Youhei Yamaguchi2, Naoki Ikushima2, Hideaki Mikami2 (1. Katecs Corporation, 2. Toda Corporation)
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