Behind every tunnel that connects cities or enables transportation across vast distances, there’s an incredible tunnel boring machine working tirelessly. Machines like the Florence TBM and the ...

The rollout of new narrow-reef boring technology, which has the potential to boost platinum group metal (PGM) grades, lower unit costs, enhance safety, and streamline downstream materials handling, ...

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

Tunnel boring machines (TBMs) prefer to chew rocks, not mud. Besides, they can't support the wet ground, so the tunnel walls are collapsing! TBMs work much better in rock tunnels. Try this ...

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in hard rock and struggling to move. The tunnel ...

KOLKATA: A giant tunnel boring machine (TBM), 90m long and weighing ... machines used to excavate tunnels through hard rock, wet or dry soil, or sand. The superior technology allows burrowing ...

The system, originally designed to carry rock debris generated when the tunnel boring machine works, has turned into a lifeline of sorts and will help remove around 10,000 cubic metres of rock and ...