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Results for "The Robbins company"

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    • Adrian Olmex

      Readlist: The Science Behind Tunnel Boring Machines

      Hi, While browsing I came across this short but -i think- a very well written article. I think it is a great read. It has interestingly wide coverage -especially when you consider how short the article is-. Especially o get you interested in sysmic prediction systems. By the way, the articl...

      Tags: sysmic prediction systems, use of sysmic prediction systems in tunneling, The Robbins company, Robbins TBM, Delaware Aqueduct, Robbins Nora, Nora Stanton Blatch Deforest Barney

      • Adrian Olmex

        Robbins TBMs *really* rock!

        The Robbins company has uploaded on Flickr some great photos of rock tunneling. Beautiful. It shows tunnels bored by Robbins TBM. But unfortunately they have disabled downloading. So I can not upload them here at tunnelcontact.com You must see these great photos at breathtaking rock formati...

        Tags: The Robbins company, tunnel rocks, rock photos.rock images

        • Adrian Olmex

          Robbins TBM bores the longest rock tunnel ever by a Double Shield TBM under 2.5 m (8.2 ft) in diameter.

          n August 2019, a small diameter Double Shield TBM made a big impact. The 2.46 m (8.07 ft) diameter Robbins machine completed 3,475 m (11,400 ft) of boring with no intermediate access, making it the longest rock tunnel ever bored by a Double Shield TBM under 2.5 m (8.2 ft) in diameter. The ...

          Tags: Robbins, The Robbins Company

          • Adrian Olmex

            Texas Mettle: ROBBINS TBM and Team are Making Progress and Overcoming Challenges at Mill Creek

            The 38.1 ft diameter Robbins Main Beam TBM, the largest hard rock TBM ever used on U.S. soil for boring tunnels, doing a great job for the contractor, Southland/Mole JV,  at Mill Creek Drainage Relief Tunnel in Dallas, Texas. Excellent piece to read. https://tunnelingonline.com/texas-m...

            Tags: The Robbins Company

            • Adrian Olmex

              Robbins main beam breaks through Ohio River Tunnel

              Crews celebrated as a 6.7m (22-foot) diameter Robbins Main Beam TBM broke through the Ohio River Tunnel. https://www.khl.com/international-construction/robbins-main-beam-breaks-through-ohio-river-tunnel/146542.article

              Tags: The Robbins Company