Presentation Information
[VI-812]Case study of measurement campaign around a connection tunnel while excavating neaby second tube
*Tetsuya Ikeda1, Koujin Okazaki1, Osamu Suzuki1, Kenichi Fumimura1, Kazuo Sakai1, Kengo Sakai2 (1. TAISEI Corporation, 2. Central Nippon Expressway Company Limited)
Keywords:
mountain tunneling,Twin neighboring tunnel