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Results for "rectangular tunnel excavation"

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    • Martin Sirzo

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

      Although the area cut is rectangular, the cutting is still done circularly though. OK that is not surprising. But I don't get it. The small cutting heads do not cover the whole surface. Or is it me missing something?

      • Erdem Mertoğlu

        Comment on "UYAK 2023 - 5th International Underground Excavations Symposium and Exhibition"

        Due to the earthquake, the UYAK 2023 - 5th International Underground Excavations Symposium and Excavation event will be held on 5,6,7 June 2023 instead of in March

        • Paul K. Madsen

          Comment on "RETC2019 - Rapid Excavation and Tunneling Conference 2019"

          Watch out with unofficial sites claiming to let you download the proceedings for the Rapid Excavation and Tunneling Conference 2019. In recent...

          • 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.

              • Kris Lubcek

                Comment on "item:object:river_object"

                More opposition to Stonehenge tunnel... https://www.salisburyjournal.co.uk/news/18181487.stonehenge-alliance-calls-a303-tunnel-scrapped-open-letter-government/

                • Lutz Genscher

                  Comment on "item:object:river_object"

                  Looking back the Cologne tunnel sinking, can you blame the Bundestag administrators?...een damaged by the construction of the underground tunnel. https://www.tagesspiegel....einigung-im-streit-zwischen-bahn-und-bundestag-s21-tunnel-rue...

                  • M. Demir

                    Comment on "item:object:river_object"

                    Newspapers say train cars split into 2 before they pass through Marmaray tunnel in İstanbul. Marmaray is an immersed tunnel. They did not want whole train cause weight risk.

                    • 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"

                        This prufrock thing pure vaporware. Elon Musk has no experience in mechanical engineering yet alone in tunnel boring machines. You may hire...weak this and that on a Lovat TBM. But inventing a tunnel bor...

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