• Tunnel boring machine - Wikipedia

    A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

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  • Roadheaders for Tunneling, Excavation, and more | Antraquip ...

    Antraquip roadheaders are powerful rock-cutting machines designed to excavate roadways and tunneling, including mining and railroad applications.

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  • EM 1110-2-2901 Tunnels and Shafts in Rock | Rock (Geology ...

    EM 1110-2-2901 Tunnels and Shafts in Rock - Ebook download as PDF File (.pdf), Text File (.txt) or read book online.

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