3D animation TBM S574 "Martina" (eng)

Showing how the huge EPBM S574 "Martina" works. Excavation diameter: 15.62 m (equivalent to a five-storey building) Overall length: 130 m Excavation area: 192 m2 Thrust: 39,485 T Total weight: 4500 T Total installed power: 18 MW Annual energy consumption: approx. 62,000,000 kWh For further information: http://www.totospa.it/