A giant Indian-made tunnel boring machine has arrived in Kolkata ... TBMs are earth pressure balance (EPB) machines used to excavate tunnels through hard rock, wet or dry soil, or sand.

The world's largest earth pressure balance (EPB) double shield hybrid tunnel boring machine, or TBM, was officially rolled ...

The broken parts of the huge Tunnel Boring Machine (TBM) which were obstructing excavation at the 'D1, D2' spots were being removed, an official statement said. The muck inside the tunnel was ...

The world's largest earth pressure balance (EPB) double shield hybrid tunnel boring machine, or TBM, is officially rolled off the production line for the first time in Changsha, Hunan province ...

Telangana SLBC tunnel collapse ... parts of the tunnel boring machine (TBM) from now on involves high level of risk and challenge, being posed by the large amount of muck in the last 50 to ...

KOLKATA: A giant tunnel boring machine (TBM), 90m long and weighing ... TBMs are earth pressure balance (EPB) machines used to excavate tunnels through hard rock, wet or dry soil, or sand.

For first three days, muck makes it impossible for anyone to go in. 1,500-tonne tunnel boring machine broken, parts weighing hundreds of tonnes pushed back some 100 metres. 634 personnel from 27 ...

It runs almost till the tail end of the tunnel boring machine (TBM ... The belt would be useful in shifting the muck and other debris out of the tunnel with ease. Ten days after the partial ...

In a statement, District Collector B. Santhosh said the broken parts of the Tunnel Boring Machine, which were blocking excavation at the D1 and D2 spot where human presence was found, are being ...