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