Japan Society of Civil Engineers 2026 Annual Meeting
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Presentation Information

9:00 AM - 9:10 AM JST(12:00 AM - 12:10 AM UTC)

[VI-101]Construction Study at Tunnel Portal in Steeply Sloped and Uneven Terrain

*Daisuke Kobayashi1, Ishida Takumi1, Akita Tetsushi3, Nagao Yuki3, Kikuchi Jun3, Oya Koudai2, Fukuda Tsuyoshi2 (1. Central Nippon Expressway Company Limited, 2. SHIMIZU CORPORATION, 3. Shimizu-Toa JV)

Keywords:

Tunnel entrance,Tilted terrain,Drift excavation,Plan change

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