CONSTRUCTION OF URBAN TUNNEL BY OPEN TYPE SHIELD TUNNELLING AND NATM
都市トンネルを半機械式オープンシールドとNATMで施工する

Masatoshi OHNISHI, Shunichi SASANO, Eiji KAWAKAMI, Takahiro WATANABE
1995 Proceedings of Tunnel Engineering, JSCE  
This paper introduces the application of NATM to urban area, which was launched diag-
doi:10.11532/journalte1991.5.337 fatcat:kccxogpiobap7ewmjviqi62h4a