The Dame Whina Cooper tunnel boring machine weighs 910 tonnes is 130m long and has a diameter of 7.15m. It cost €7.15M, with shipping costing an additional €0.6 ...
The Dame Whina Cooper tunnel boring machine weighs 910 tonnes is 130m long and has a diameter of 7.15m. It cost €7.15M, with shipping costing an additional €0.6
10 giant TBMs will excavate new tunnels on the first phase of the high speed railway between London and the West Midlands.
A tunnel boring machine (TBM) is the machine used to excavate tunnels. TBMs can bore through a variety of ground conditions, from hard rock to sand.
From the design and stabilization of the cutterhead to the rapid removal of muck, we know what it takes to manufacture the most efficient tunneling machines.
A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock,
Bertha was a 57.5-foot-diameter (17.5 m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT)