#underground construction

Gotthard Tunnel Boring Machine Breaks Through Alpine Rock at 32 Metres a Day

Thames Power Tunnel: Giant TBM Starts Digging Under the River

Chinese Engineers Execute Unprecedented Underground Rescue of $50 Million Tunnel Boring Machine.

Automated Metro Engineering: Dublin MetroLink Advances with International Consortium Bid

HS2 Completes Complex Extraction of Tunnel Boring Machine After Underground Journey