Tunnel boring machines (TBMs) are very picky about the rocks they chew through. This is why geologists must monitor the rock at the head of every tunnel. On good days, TBMs can bore through rock at a ...

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 technique ...

Linghang, better known as the world’s largest-diameter high-speed railway shield tunneling machine, crossed the 6.2-mile (10,000-meter) tunneling milestone on Tuesday, as reported by the China Media ...

Right after the tunnel was completed, The Boring Company decided to transport the massive machinery to its next digging site. The firm shared photos of the transport on X, showing that the Prufrock-3 ...

Contractors cannot afford to get the sequence wrong as they truck large pieces of equipment through tunnels to two large caverns beneath the city’s inner west.