- Tunnel
Tsukuba Express Kotobuki Tunnel
| Orderer | Japan Railway Construction, Transport and Technology Agency |
|---|---|
| Completion | 2003 |
| Structure and scale | Slurry type shield method, outer diameter: φ10.2m; finishing internal diameter: φ9.2m; tunnel length: 1,230m |
| Location | Tokyo Metropolis |
| Application | Railway tunnel |
A double-track cross section railway tunnel was constructed using the slurry type shield method for a 1,230m section between Shin-Okachimachi Station and Asakusa Station on the Tsukuba Express (about 58km) train line.