China has developed its largest tunnel-boring machine, Jianghai, with a 54.4-feet diameter and 30% increased tunneling ...

CHANGSHA, Oct. 31 (Xinhua) -- China's self-developed tunnel boring machine with the biggest diameter has been rolled off the production line on Thursday. The machine, with a maximum excavation ...

A photo taken on Feb 26, 2024, shows the tunnel boring machine Yongzhou at an industrial park of China Railway Construction ...

Phillip Birch operates earth-cutting equipment in a tiny space more than 40 metres below the surface of the Fraser River. To ...

German mechanised tunnelling major Herrenknecht, which was at the centre of a recent conversation between Commerce Minister ...

In an unexpected exchange on a Delhi Metro ride, Commerce Minister Piyush Goyal informed Germany’s Vice Chancellor Robert ...

A subterranean water pipeline passing under the Fraser River aims to secure Metro Vancouver's water supply, even after a ...

CHANGSHA -- China's self-developed tunnel boring machine with the biggest diameter has been rolled off the production line on Thursday. The machine, with a maximum excavation diameter of 16.64 ...

San Francisco-based tunnel boring startup Petra has shut down after failing to raise new funding. Here's what happened. A San Francisco startup that was developing tunnel boring technology has ...