Pioneering Underground Technologies km of tunnels, shafts, and galleries have been created at the St. Gotthard REFERENCES T UNNELLING REFERENCES EXPLORAT ION REFERENCES MINING CASE ST UDIES Doha Metro Gotthard Base Tunnel Crossrail London Metro Guangzhou Road Tunnels in Shanghai Nant de Drance Pipeline North-South-Route Pearl-River-Delta Gotthard Base Tunnel 4 Gripper TBMs for a wonder of the world ________________ With mechanized tunnelling tech

Join for free to read