- Location
Daegok Station ~ Gimpo Airport ~ Sosa Station, Korea
- Description
- Total L = 18,450m
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Tunnel L = 15,370m
- Earthworks L = 3,080m
- 2 existing stations, 3 new stations
- Technical Issues
- Application of the EPB (Earth Pressure Balance) shield TBM for tunneling underneath the Han river considering the high water level and complex ground conditions
- Changing the spacing between connecting tunnels, which is used emergency passage, to improve the safety through the evacuation simulation
- Design of the tunnel station considering user's accessibility and constructability
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