PROJECTSubway tunnels

Subway tunnels

Seoul Metro Line 9 Phase 4 Extension (C2)

Seoul Subway Line 8 Extension (Byeollae C6)

Seoul Subway Line 4 Extension (Jinjeop C3)

DX Line (Shinbundang) Northern Extension

Great Train Express (GTX) for Metropolitan Area

Seoul Subway Line 9 (C921)

Busan Subway Line 1 Extension (C4)

Seoul Subway Line 9 (C915)

Seoul Subway Line 9 (C917)
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Tunnels
Caverns
Soft soil engineering
Foundations & Slopes
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Underground Safety Evaluation
PROJECT
Subway tunnels
Railway tunnels
Road tunnels
Caverns
Soft soil engineering
Foundations
Underground safety Evaluation
Others
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