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Construction / Boring / Transportation in the United States / Transport / Metro Tunneling Group / Earth pressure balance / Tunnels / Tunnel boring machine / Tunnel


TUNNELING PROCESS FACT SHEET (Left and above)This is the tunnel boring machine (TBM) that has been designed specifically for the geotechnical conditions under Government Cut. It is as high as a
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Document Date: 2011-11-09 16:27:12


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