The tunnel boring machine, named Kalvarayan, completed its 867-metre journey between Ayanavaram and Perambur stations, surfacing at the Perambur south shaft. CHENNAI: CMRL achieved a milestone in ...

A giant HS2 boring machine has broken through to complete the first section of a 3.5-mile tunnel on the route's approach into Birmingham. The 125-metre long, 1,600-tonne machine, named Mary Ann by the ...

A giant HS2 boring machine has broken through to complete the first section of a three and-a-half mile (5.6km) tunnel on the route's approach into Birmingham. The 125m (137yd) long, 1,600-tonne ...

Chennai Metro Rail’s tunnel boring machine Thamirabarani will reach the Kilpauk Medical College (KMC) station by September this year. A part of corridor 3 of the 118.9-km phase II project ...

"The tunnel boring machine (TBM) named 'Shakti' was about five km inside the tunnel when it encountered a gush of water from all directions at the rate of around 1,500 litres per minute," Rakesh ...

Chennai Metro Rail’s tunnel boring machine (TBM) Pelican has encountered a minor glitch. As a result, tunnelling between Panagal Park and Kodambakkam has hit a pause in one of the tunnels.

Tunnel Boring Machine (TBM) named 'Disha' achieved a major breakthrough on Thursday by completing a vital segment of the underground tunnel for Metro Line 7A. The milestone was celebrated in the ...

has achieved the first Tunnel Boring Machine (TBM) breakthrough of Tunnel-8, the longest transportation railway tunnel in India, as part of the ambitious 125-km Rishikesh–Karnaprayag Broad Gauge ...

“After classes, we were spending a lot of free time at that makerspace receiving the parts orders, as well, putting those parts together, welding them together, assembling different parts of the ...

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 ...

"The tunnel boring machine is a multimillion-dollar piece of equipment, custom-made," Prendergast said. "It comes totally unassembled with big parts, but you assemble it and put it down in the ...