TBM

Interesting facts

With a diameter of 17.63 meters, a length of 120 meters, and weighing 4,850 tons, the largest tunnel boring machine in the world recognized by Guinness excavated an underwater tunnel in Hong Kong 50 meters below the sea and impressed engineers by reducing its own shield to 14 meters inside the tunnel without needing to return to the surface.

Valdemar Medeiros 16/05/2026 at 20:56

Máquinas conhecidas como tatuzões escavam túneis de metrô com precisão, instalam anéis de concreto e avançam até 15 metros por dia no subsolo.

Interesting facts

Bringing Life to The Subterranean World, ‘Monster’ Machine Capable of Moving 15 Meters Per Day Underground Installs Concrete Rings and Digs Tunnels with Robotic Arms and Rock-Crushing Blades.

Alisson Ficher 19/01/2026 at 18:31

Gigante de aço com 13.000 toneladas escava túneis sob metrópoles sem causar tremores — veja como funciona a TBM, a tuneladora que age como um tatu mecânico

Interesting facts

The 13,000-Ton Steel Machine That Digs Tunnels Under Metropolises Without Causing Tremors — See How the TBM, the Tunnel Boring Machine That Acts Like a “Mechanical Armadillo,” Works

Valdemar Medeiros 24/05/2025 at 21:58