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    • 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 times some sites appeared,...

      • 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? "They are afraid that they will be swallowed up by the underground like the Colo...

              • 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

                • 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.

                  • 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 some experienced people and get t...

                    • Carlos Kirschner

                      Comment on "item:object:river_object"

                      Berlin S21 Tunnel Construction: According to the Berliner Morgenpost, the Deutsche Bahn and the Bundestag administration have agreed on a route for the second construction p...

                      • Alan Limbach

                        Comment on "item:object:river_object"

                        Highway 99 tunnel contractor will appeal last week’s court loss over #Bertha’s breakdown. Seattle Tunnel Partners (STP) consortium member Tutor Perini Corp.,...