トンネル⑧

1:00 PM - 1:10 PM JST(4:00 AM - 4:10 AM UTC)

[III-197] The formation factors of the large amount of water that appeared in the first road tunnel across the Yoro Mountains

*Ryohei Hagino¹, Kazuhiro Okada¹, Kento Ichiminami², Keisuke Hori², Takayuki Kuromusha² (1. Central Nippon Expressway Company Limited, 2. OKUMURA CORPORATION)

Keywords:

Mountain tunnel,Yoro Mountains,Ninose Pass,Large spring water area,Intrusive rock