Rail Vikas Nigam Ltd (RVNL) is making significant strides in the Rishikesh-Karanprayag rail line project, achieving ...

After multiple delays, including a 9-month delay involving a century-old anchor, the Chesapeake Bay Bridge-Tunnel (CBBT) expansion achieved a major milestone as its tunnel boring machine reached ...

Gaur told PTI that the 9.69-m diameter Cabrera tunnel in Spain was built by a Double Shield tunnel boring machine at an average rate of 423 metres per month while the 14.58-km tunnel between ...

On a flat, windswept green plain north of Hamburg in the state of Schleswig-Holstein, Germany, a Herrenknecht tunnel boring machine is now 200 meters deep into burrowing under the Elbe River estuary.

At the mouth of every tunnel there is a small shrine to Saint Barbara, the patron saint of miners. To get to the boring ...

The world’s largest tunnel boring machine (TBM), used to bore a mega tunnel for the M-30 motorway in Madrid ... Three Alimak hoists were used for vertical transportation of men and materials during ...

Gaur said on Tuesday that the 9.69-metre diameter Cabrera tunnel in Spain was built by a Double Shield tunnel boring machine (TBM) at an average rate of 423 metres per month while the 14.58-km tunnel ...

NANJING, April 9 (Xinhua) -- China on Wednesday deployed a giant self-developed tunnel boring machine (TBM) for the construction of the world's longest underwater highway TBM tunnel. The new machine, ...