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    • Dave Anderson

      Comment on "Discussion replies"

      ' thanks to the Japanese engineers' contributions to tunnel boring machine technology'? Are you serious? The last time I checked it was the USA a.k.a Robbins, who invented TBM and took it further than anyone else.

      • Hans Turekl

        Comment on "RETC2023 - Rapid Excavation and Tunneling Conference 2023"

        This is the real World Tunnel Congress. Unlike the other one, this is not a purely academic one but the one with real experiences and real applications of technology.

        • Paolo Kerguel

          Comment on "Discussion replies"

          ...r radical things like 10 times faster boring tunnel boring machine. Then again...e did not come up with innovations in rocket technology, such as reusable rockets, Bo...now everybody is talking about the hyperloop technology, we owe it to Elon Musk. I am...

          • RL

            Comment on "Comments"

            Also because this whole thing seems off ... it is based on the idea of tunnel construction for individual m...-radar/theboringcompany/ . But regardless what exactly they use the technology for, again, the idea of only...

            • Keith Keloe

              Comment on "Discussion replies"

              I think there are still strong business and technical cases for keeping to use Drill & Blast technology. Please check out the TBM article link.

              • Paolo Kerguel

                Comment on "Comments"

                Indeed Robbins invented the TBM. And then stopped right there. What innovation worth...hink of any. And for the Japanese, they made tremendous innovations in slurry technology field and also in big diamete...

                • Santiago Morales

                  Comment on "The first RECTANGULAR Tunnel Boring Machine (TBM)!"

                  The Chinese are coming and they are coming the big way. Herrenknecht dominance is only temporary. Chinese companes now also produce technology. In a decade or two, there wi...

                  • Gianluca Gallota

                    Comment on "item:object:river_object"

                    Tunnel Widening Case *****   #Palmieri Tunnel Widening Machines in operation - #Montedomini Tunnel https://www.youtube.com/watch?v=vGrXSAIAfBE #Italia  

                    • Steve McMillan

                      Comment on "Discussion replies"

                      Hi Lutz. You are confusing CityRailLink with the CentralInterceptor project. The former is 12 meter transport tunnel whereas the latter is a 5.45m waste water tunnel. In any case, knowing your preferences, you will be glad to hear that it is 2-0 for Herrenknecht.

                      • Ercan Başar

                        Comment on "Discussion replies"

                        ...layı anlar gibi oldum. https://tunnelcontact.com/discussion/view/92...l! I read this https://tunnelcontact.com/discussion/view/9242/ba...ts in İzmir Narlıdere metro tunnel? It is certain some fiber seller fo...ermak. What other untested technology Gülermak may use in İzmir? T...