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    • Alan Limbach

      Comment on "item:object:river_object"

      Donnie the Tunnel Boring Machine, behind some people. https://www.trenchlessinternational.com/2019/12/17/boring-begins-on-coxwell-bypass-tunnel/ #Coxwell

      • Dave Anderson

        Comment on "Discussion replies"

        ...Elon Musk has no experience in mechanical engineering yet alone in tunnel boring machines. You may hire some e...le and get them tweak this and that on a Lovat TBM. But inventing a tunnel boring machine 10 times faster than...

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        • 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
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            • LS@boreastunnelling.com

              BoreasTunnelling

              Dear fellow tunnellers, if you or your worldwide TUNNEL project needs a team or only one e...zontal directional drilling, micro tunneling (MTBM), NATM, and drill &a...he full range of positions to your tunneling project, at any worldwide...p; W/A +66 81 963 1982 LS@Boreastunnel...

              • LS@boreastunnelling.com

                BoreasTunnelling

                Dear fellow tunnellers, if you or your worldwide TUNNEL project needs a team or only one e...zontal directional drilling, micro tunneling (MTBM), NATM, and drill &a...he full range of positions to your tunneling project, at any worldwide...p; W/A +66 81 963 1982 LS@Boreastunnel...

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                • Valentino As-il

                  Site photos

                  Photos taken at site during my carer as tunnel engineer

                  • LS@boreastunnelling.com

                    BOREASTUNNELLING

                    Dear fellow tunnellers, if you or your worldwide TUNNEL project needs a team or only one e...zontal directional drilling, micro tunneling (MTBM), NATM, and drill &a...he full range of positions to your tunneling project, at any worldwide...p; W/A +66 81 963 1982 LS@Boreastunnel...

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                  • TunnelContact.com

                    Inviting your colleagues & friends to TunnelContact.com

                      TunnelContact.com is a networking community exclusively for the tunnel and underground space professionals. To protect this focus, TunnelContact.com is an invitation-o...le to invite other colleagues or friends to Tunnel...

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                    • Ansh Chaturvedi

                      The tunnel boring machine for Pune metro tunnel arrives from China https://www.hindustantimes.com/pune-news/tunnel-boring-machines-arrive-in-pune-tunnelling-work-to-begin-next-month-at-agriculture-college/story-iCzlayFvPIiEsmnIHyDdII.html #MaharashtraMetroRailCorporation #MahaMetro

                      • Paul K. Madsen

                        "Ulrikke" keeps boring away deep in the first railway tunnel in Norway being built with a Tunnel Boring Machine. Bane NOR took over the project...in contractor is Skanske Strabag JV. https://www.ba.no/tunnel/samferdsel/jernbane/ulriken-t...

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                        • Martin Sirzo

                          TBM Producers List

                          Alphabetical List of Tunnel Boring Machine Producers. (Main TBM Manufacturers). CRCHI (China)  CREG (China) China Railway Engineering Equipment Group Co. Ltd. is owned by China Railway Group Limited (company use “CREC” for short of 'China Railway Engineering Corporati...

                          Tags: Tunnel Boring Machine manufacturers, Tunnel Boring Machine suppliers, TBM, tunnel, tunnel boring, tunnelling, TBMs, tuneling