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    • Paul K. Madsen

      Ryfast

        Ryfast is a chain of subsea tunnels in the southwest of Norway. Ryfast tunnels connects Stavanger (the fourth largest c...the Boknafjord. Ryfast consists of two tunnels: Ryfylke Tunnel: It li...for traffic on 30 December 2019, Ryfylke Tunnel is t...

      • Robin McAuley
        • Paolo Kerguel

          Richard James Robbins

            Richard James Robbins (1933 - 2019) (Born: 1933 - D...t;, as he has been known to the tunnelling world was actually born into tunnelling. He was the son of James...nd technology powerhouse in TBM tunnelling. He has been the presiden...6 foreign patents in mechanized tunnel exca...

          • Robin McAuley

            Conventional Tunnelling versus Mechanized Tunnelling

              Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice versa? When to use Tunnel Boring Machine tunnelling method? When to use Drill...definitions. Conventional Tunnelling Refers to creation of...ommon example of Conventional Tunnelling is the 'Drill and Bla...

            • Robin McAuley

              Y-Parts

              Y-Parts is the collective term used for the spare parts used on a Tunnel Boring Machine's (TBM) Cutter Head. These are the parts which are worn most and need replacement most often during a boring operation.

              • Robin McAuley

                Tunnel Boring Machine Definitions

                WARNING Under construction. Incomplete content   Y-Parts

                • Robin McAuley

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

                  This is a general guide for how much a Tunnel Boring Machine (TBM) costs. TBM...eter complex TBMs. The cost of a tunnel boring machine (TBM) basicall...tag. An often quoted rule for a Tunnel Boring Machine is; it costs U...housands/meter. TBM Type Tunnel Bori...

                  • Robin McAuley

                    What is the difference between welding, soldering and brazing

                      Soldering: Soldering is used to join two or more pieces of similar or...rious methods for melting the brazing material. In tunnel machinery industry, for Y-Par...bility is still a quality! Having said this; in tunnel mach...

                    • Robin McAuley

                      Buying Advice for Bichak-Cutters

                      WARNING UNDER CONSTRUCTION. Bichak Cutters ("knives" or "scrapers") are cutters used for b...e different game. Therefore, ask the producer their reference sites. Which tunnel cons...