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[III-160] EVALUATION OF DEFORMATION PHENOMENA IN SERVICE TUNNEL AND PILOT TUNEL OF THE SEIKAN TUNNEL BY NUMERICAL ANALYSIS

*MICHIAKI IMAIZUMI¹, YASHIRO KAZUHIDE¹, YUITI KOBARAKOBARA², HIROYUKI SHINNO³ (1. Railway Technical Reserch Institute, 2. Japan Railway Construction, Transport and Technology Agency, 3. Geoscience Research Laboratory)

Keywords:undersea tunnel, maintenance, numerical analysis, earth pressure