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    • Paolo Kerguel

      Richard James Robbins

        Richard James Robbins (1933 - 2019) (Born: 1933 - Di...ing. He was the son of James Robbins, the inventor of the rock Tunn...ndemental technologies as large diameter disc cutters and Double Shield TBM...

      • Robin McAuley

        Conventional Tunnelling versus Mechanized Tunnelling

          Why choose Mechanized Tunnelling over...ing process. Particularly the shield Tunnel Boring Machines provi...ground unexpectedly turns to rocky ground, you can easily employ...e suitable for excavating the rock. In...the conditions etc. But if a double shield Tu...

        • Robin McAuley

          How much does a Tunnel Boring Machine (TBM) cost?

          This is a general guide for how much a Tunnel Borin...f the exponential increase in the technological com...ng Machines are produced for various geological c...be. For example the cost of a single shield...you'd better use an Earth Pressure Balance (E...