トンネル (3)

[III-157] Analytical study on mechanical effect and applicability of vertical pre-reinforcement

*Tomohisa Amemiya¹, Kosuke Kawata¹, Nobuharu Isago¹, Kazuo Nishimura¹, Hiromichi Shiroma² (1. Tokyo Metropolitan University, 2. West Nippon Expressway Sogo Service Okinawa Company)

Keywords:mountain tunnel, auxiliary method, vertical pre-reinforcement method, numerical analysis, finite difference method