Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル(8)

Fri. Sep 12, 2025 1:30 PM - 2:50 PM JST
Fri. Sep 12, 2025 4:30 AM - 5:50 AM UTC
225
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[VI-1280]Tunnel excavation under a private house in a low soil cover section

*Shintaro Yoshida1, Masahi Hashimoto1, Yuya Ezaki2 (1. MAEDA CORPORATION, 2. Ministry of Land,Infrastructure and Transport Hyogo National Highway Office Sumoto Maintenance Branch Office)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[VI-1281]Report on adjacent construction of Otaru City waterworks facilities directly under the river in a small soil-covered area

*Yota Hikichi1 (1. tokyu construction)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[VI-1282]Construction Considerations for Tunnels Beneath Cut Slopes with Collapse History

*Daisuke Kobayashi1, Keisuke Masuda1, Takumi Ishida1, Tsuyoshi Fukuda2, Hirotaka Umeyama2, Syunsuke Kitagawa2, Akita Tetsushi3, Kikuchi Jun3, Nagao Yuki3 (1. Central Nippon Expressway Company Limited, 2. SHIMIZU CORPORATION, 3. Shimizu-Toa JV)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[VI-1283]Consideration of construction of a tunnel in a section covered with small soil that crosses a stream

*Yuki Nagao1, Daisuke Kobayashi2, Jun Kikuchi1, Tetsushi Akita1, Tsuyoshi Fukuda3, Keisuke Masuda2, Takumi Ishida2 (1. Shimizu-Toa JV, 2. Central Nippon Expressway Company Limited, 3. SHIMIZU CORPORATION)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[VI-1284]Construction Report on the Tunnel Portal in Fragile, Shallow Overburden Ground

*Yudai Shigemoto1, Ryohei Hase1, Dota Awaji1, Ryoichi Asaumi1, Kenichi Adachi1, Michinari Nakano2, Yoshihiro Otsubo2 (1. SHIMIZU CORPORATION, 2. Kobayashi Civil Engineering Office, Miyazaki Prefecture)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[VI-1285]Construction of a mountain tunnel using the ground replacement method in diluvial formation intersected by the tunnel

*Taro Takanami1, Satoshi Hayashi1, Naoki Kandou1, Tomofumi Yokoyama2, Yuki Tsukamoto2 (1. Shimizu corporation, 2. East Nippon Expressway Company Limited)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[VI-1286]Breakthrough of Advanced Pilot Tunnels and Investigation of Pilot Roads Using 3D Models in Steep Slopes

*Haruki Ito1, Mikio Takahashi1, Takahito Funahashi1, Kazuyuki Chiba1, Takuma Matsumoto1, Seji Ichinose1, Yoshinori Nunozaki2 (1. Tekken Corporation, 2. MLIT)
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[VI-1287]Construction method for entrance of tunnel using pilot tunneling

*Naoki Kakegawa1, Yuto Togawa1, Masahiko Momiyama1, Ryohei Saito1 (1. HAZAMA ANDO CORPORATION)
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