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    • 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 "Discussion replies"

        ...nd that he delivers. If he did not come up with innovations in rocket technology, such as reusable rockets, Bo...M industry anno 2020. If now everybody is talking about the hyperloop technology, we owe it to Elon Musk. I am...

        • 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 "Comments"

              ...Robbins achieve since 60s last century? The sad fact is, I cannot think of any. And for the Japanese, they made tremendous innovations in slurry technology field and also in big diamete...

              • RL

                Comment on "Comments"

                ...port - this article puts it very good: https://blog.worldsensing.com/trend-radar/theboringcompany/ . But regardless what exactly they use the technology for, again, the idea of only...

                • 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 will be no Herr...

                  • Ercan Başar

                    Comment on "Discussion replies"

                    ...investigate. If necessary must penalize Gülermak. If necessary take tunnel contraction away from Gülermak. What other untested technology Gülermak may use in İzmir? T...