Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル(7)

Fri. Sep 12, 2025 11:10 AM - 12:30 PM JST
Fri. Sep 12, 2025 2:10 AM - 3:30 AM UTC
225
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-1273]Construction of auxiliary excavation work in the ground where existing support piles remain in the tunnel section

*Kanae Kojima1, Yuzo Sagara1, Naoki Kandou1, Tomofumi Yokoyama2, Yuki Tsukamoto2 (1. SHIMIZU CORPORATION, 2. East Nippon Expressway Company Limited)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-1274]Mitigation of Settlement in JR Railroad Through the Long-Length Pipe-Proof Method

*Seiichiro Okubo1, Goto Ryota1, Fukuda Tsuyoshi2, Shirai Takahiro2, Yamada Takeshi3, Takahashi Tamio3 (1. Shimizu Miyasaka Morikawa Joint Venture, 2. Shimizu Corporation, 3. Hokkaido Regional Development Bureau)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[VI-1275]Results of mountain tunnel construction under the railway

*Shuta Wakasa1, Fumiyuki Maruko1, Shinichi Nakao2, Yuuta Morishita2, Takahito Funahashi3 (1. East Japan Railway Company, 2. TEKKEN KAJIMA Joint Venture, 3. TEKKEN CORPORATION)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[VI-1276]Planning of Long Pipe Roof Method Beneath Railway Tracks

*Rifu Sasaki1, SHINICHI NAKAO1, FUMIYUKI MARUKO2, KENTA MIZUHASHI1, SHOUMA HARA1, KOUICHI FUJIO1, RYOU KANAMOTO1, NOBUHIKO YAMADA1,3 (1. TEKKEN KAJIMA Joint Venture, 2. East japan Railway Company, 3. TEKKEN CORPORATION Civil engineering Office)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[VI-1277]Track record of pipe roof construction in unconsolidated mountainous terrain with many loose stones under railway

*Fumiyuki Maruko1, Shinichi Nakao2, Rifu Sasaki2 (1. JReast, 2. TEKKEN・KASHIMA joint venture)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[VI-1278]Application of Sprayed Concrete with Blast Furnace Cement Type B in Mountain Tunnels in Cold Regions

*Shinichi Nakao1, YUUKI SUGIHARA1, SYUUTA WAKASA2, KEISUKE IWAKI1, KEIICHI NISHIWAKI1, HONGSHENG CHE1, TAKAHITO FUNAHASHI1 (1. TEKKEN CORPORATION, 2. East Japan Railway Company)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[VI-1279]A study on the design and construction of mountain tunnels with special cross sections

*Hiroyuki Yamada1, Yuzou Moriyama1, Keigo Kimura1 (1. Konoike Construction Co., Ltd.)
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