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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 four...Boknafjord. Ryfast consists of two tunnels: Ryfylke Tunnel: It li...r traffic on 30 December 2019, Ryfylke Tunnel is the World's longest an...

      • Robin McAuley
        • Paolo Kerguel

          Richard James Robbins

          ...bins", as he has been known to the tunnelling world was actually born into tunnelling. He was the son of James...leader and technology powerhouse in TBM tunnelling. He has been the presiden...ts and 56 foreign patents in mechanized tunnel excavation.Those include such...

          • Robin McAuley

            Conventional Tunnelling versus Mechanized Tunnelling

            ...bsp; 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?

                  ...is a general guide for how much a Tunnel Boring Machine (TBM) costs....er complex TBMs. The cost of a tunnel boring machine (TBM) basicall...ag. An often quoted rule for a Tunnel Boring Machine is; it costs U...usands/meter. TBM Type Tunnel Boring Machines are produced...

                  • Robin McAuley

                    What is the difference between welding, soldering and brazing

                    ...tals. There are various methods for melting the brazing material. In tunnel machinery industry, for Y-Par...consistent! Predictability is still a quality! Having said this; in tunnel machinery industry, as far as...

                    • Robin McAuley

                      Buying Advice for Bichak-Cutters

                      ...utters. Bichak Cutters require welding and soldering and it is a whole different game. Therefore, ask the producer their reference sites. Which tunnel construction sites have they...