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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 i...

      • Robin McAuley
        • Paolo Kerguel

          Richard James Robbins

          ..., as he has been known to the tunnelling world was actually born into tunnelling. He was the son of James...r of the rock Tunnel Boring Machines and the founder of The R...technology powerhouse in TBM tunnelling. He has been the presiden...foreign patents in mechanized tunnel e...

          • 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 Dril...: see How long does it take a Tunnel Boring Machine to be manufactured and deliver...ter head of a Tunnel Boring Machine to...

            • 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 prices al...omplex TBMs. The cost of a tunnel boring machine (TBM) basicall...An often quoted rule for a Tunnel Boring Machine is; it costs US$1 million for...ds/meter. TBM Type Tunnel B...

                  • Robin McAuley

                    What is the difference between welding, soldering and brazing

                      Soldering: Soldering is used to join two or more piec...or melting the brazing material. In tunnel machinery industry, for Y-Parts the m...es? For example, does the welding machine create a consistent heat? Is t...a quality! Having said this; in tunnel machinery...

                    • Robin McAuley

                      Buying Advice for Bichak-Cutters

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