Tunnel boring machine

Deutsch: Eine Tunnelbohrmaschine (TBM) ist eine Maschine, welche zum Bau von Tunneln eingesetzt wird.

English: Tunnel boring machines (TBM) are used to excavate tunnels with a circular cross section through a variety of geologies.

Machines

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  Part of a tunnel boring machine on a low-loading truck after its operation in Cologne, "Nord-Süd-Bahn" (subway)

Models

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  Model of the machine used for the Alaskan Way Viaduct replacement tunnel (Seattle)