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    • Roberto Calvi

      Comment on "item:object:river_object"

      This explains what happened at Genoa's Bertè tunnel Italy's Tunnels violate the European Union Directive 2004/54 for Safety of Tunnels https://tunnelcontact.com/discussion/view/10093/italys-tunnels-violate-the-european-union-directive-200454-for-safety-of-tunnels

      • André Tarry

        Comment on "item:object:river_object"

        I think the title can be deceiving. The tunnel system Albarradón de Ecatepec was built by the European invaders, but the paintings found in the tunnels were painted by natives worked in the construction of the tunnels.

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      Blogs

        • Sinan A.

          WTC2023 ANTALYA: Vote for the World Tunnel Congress 2023 to be held in a Tunnelling Country!

          ...emicians & Tunnel Suppliers! Turkey is a Country With Dozens Of Tunnels Currently Being Build and has a Tunnel Construction Potential for Many More Tunnels! ANTALYA is not only attra...

          • Billy Gundry

            Tunnel Training

            ...lt each year. The majority of tunnels are used for transport and ut...ut some man made, and natural tunnels are also found under construc...associated with incidents in tunnels and underground structures (s...ned to ensure safe working in tunnels under construction. Both prov...

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            • Paul K. Madsen

              Ryfast

                Ryfast is a chain of subsea tunnels in the southwest of Norway. Ryfast tunnels connects Stavanger (the fourth largest city in...the other side of the Boknafjord. Ryfast consists of two tunnels: Ryfylke Tunnel: It lie...

              • Robin McAuley

                Conventional Tunnelling versus Mechanized Tunnelling

                ...be prepared for additional days lost before the operation). Conventional Tunnelling is, in general, still accepted as the effective method for tunnels shorter than 4 kilometers in...

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                • Lutz Genscher

                  ...billion euros across Austria in the safety of tunnels on motorways and expressways...gic accident... Across Austria, more than 80 tunnels have been completely renovate...lly upgraded. Software raises the alarm. Some tunnels can now almost hear. The soun...

                  • Kris Lubcek

                    Startup aims a network of underground tunnels that could deliver more than 600 million packages a year in London alone. https://www.dailymail.co.uk/sciencetech/article-7689241/British-company-plans-network-underground-tunnels-transport-millions-parcels.html #hyperloop

                  • +94 more Wall posts

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                    • Sebastião Silveira

                      Sebastião Silveira

                      Tags: tunnels, underground structures, construction methods

                      • Paul K. Madsen

                        RETC2019 - Rapid Excavation and Tunneling Conference 2019

                          RETC 2019 Every two years, industry leaders and practitioners from around the world gather at the Rapid Excavation and Tunneling Conference (RETC), the authoritative program for the tunneling profession, to learn about the most recent advances and breakthroughs in this unique field. ...

                        Tags: RETC 2019, RETC2019, For over 20 years, RETC chicago, RETC Tunneling, tunneling, tunnel, tunnels, USA

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                      cover tunnel photo by: Matt Brown from London, England / CC BY

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