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    • Paolo Kerguel

      Richard James Robbins

        Richard James Robbins (1933 - 2019) (Born: 1933 - Died: 30 May 2019 - Seattle, USA) Dic...nnelling. He was the son of James Robbins, the inventor of th...he Robbins Company. When James Robbins was killed in a pla...nd technology powerhouse in TBM tunnelling. He has been the p...

      • Robin McAuley

        TBM Y-Parts sourcing: Should you buy your TBM Cutters from TBM Manufacturer or from Independent Manufacturers?

        Incomplete content Y-Parts, the commonly referred for the TBM cutters, collectors, support parts etc used on TBM cutter heads can be sourced e...facturers. Do Y-Parts of TBM Manufacturers Perform Better...Parts of the good independent manufacturers. In general, it i...

        • Robin McAuley

          Buying Advice for Bichak-Cutters

          ...rs used for boring in soft to medium ground. Basically they are me...o the digging. Different TBM manufacturers use different n...ing on the surfaces which are most likely to have contact wit...the bichak-knives for your TBM brand and model. You are basi...

          • Robin McAuley

            What is the difference between welding, soldering and brazing

            ...dering is used to join two or more pieces of similar or dissimilar metals to e...her. An example of dissimilar metals for soldering to each ot...d` to each other by melting a material called "solder&qu...solder (the "glue" metal) have lower melting point...

            • 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

                Conventional Tunnelling versus Mechanized Tunnelling

                  Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice...sa? When to use Tunnel Boring Machine tunnelling method? When...First let's go over some definitions. Conventional...olves relatively high rate of manual work, Conventional Tunne...

                • Robin McAuley
                  • Robin McAuley

                    Tunnel Boring Machine Definitions

                    WARNING Under construction. Incomplete content   Y-Parts

                    • Paul K. Madsen

                      Ryfast

                      ...the other side of the fjord. On the day of opening for traffic on 30 December 2019, Ryfylke Tunnel is the World's longest and deepest sub-sea tunnel. The tunnel is 14,300 meters long and at its deepest...

                      • Robin McAuley

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

                        ...is is a general guide for how much a Tunnel Boring Machine (TBM) costs. TBM pri...s always change, but basics remain constant: The parameters t...the understanding of the parameters that determine the price...ou can't leave its procurement to a last moment. Remember...