トンネル④

2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[III-168] A study of the relationship between the shape of the cross-section of mountain tunnels and cracking of the tunnels crown in the longitudinal direction.

*Akane Fujiwara Fujiwara¹, Manabu Sawamura¹, Tomohiro FUJITA¹ (1. National Institute for Land and Infrastructure Management)

Keywords:

mountain tunnels,tunnels crown,inspection,cracking,the shape of the cross-section