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Results for "Drill and Blast tunnelling"

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    • Jørn Madsen

      Comment on "Comments"

      Drill & Blast tunnelling is far more harmful to the workers' lungs compared to the TBM tunnelling.

      • Lutz Genscher

        Comment on "Comments"

        GTA - Tunnel Enlargement Gantry 8400A (drill & blast) https://www.youtube.com/watch?v=UKk9E_4s-Zw

        • Keith Keloe

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

          • Lutz Genscher

            Comment on "item:object:river_object"

            I don't think Glasgow metro is going to enlarge its tunnels but since it was mentioned: Tunnel Enlargem...ing/tunnel-enlargement-gantry-tep-8400 It's got 2 models. 8400A for drill & blast and...

            • Jorrit Reinders

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              Absolutely right. TBM tunnelling is one of the techniques but it is not the only tunnelling technique. It is not one size fits all solution.

              • Robin McAuley

                Comment on "Discussion replies"

                Sorry I replied at the wrong place. I repeat here: You are right. Cost is not the only reason why you may want to go for non-TBM tunnelling. As you have pointed out there are some other important considerations in favour of conventional tunnelling.

                • Martin Sirzo

                  Comment on "World Tunnel Congress 2020 Kuala Lumpur - WTC2020"

                    Not Only Do Major Players In Tunnelling Race To Be A Sponsor For The World's Premier Event For Tunnelling Community, but World Tunnel C...Engineers, Malaysia and the International Tunnelling & Underground Space Assoc...

                  • Martin Sirzo

                    Comment on "World Tunnel Congress 2020 Kuala Lumpur - WTC2020"

                    In professional #networking, nothing beat...demic and technological developments in tunnelling, but it is also the best networking event in the tunnelling world! Do not let this opp...gineers, Malaysia and the International Tunnelling & Underground Space Assoc...

                    • Martin Sirzo

                      Comment on "A Great Moment of Tunnelling from way back: 1 December 1990 EUROTUNNEL Breakthrough!"

                      Dear @Ansh, channel tunnel geology may have been a drea...it does not change the fact that, it was a great tunnelling achievement. It is int...wed the chalk layer all the way. It was a grea tunnelling achievement all the way. Defi...

                      • Martin Sirzo

                        Comment on "World Tunnel Congress 2020 Kuala Lumpur - WTC2020"

                        In professional #networking, nothing beat...demic and technological developments in tunnelling, but it is also the best networking event in the tunnelling world! Do not let this opp...gineers, Malaysia and the International Tunnelling & Underground Space Assoc...