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Robbins' Rectangular TBM completes boring a hard rock tunnel in Mexico
Robbins announces that the rectangular tunnel boring machine, known as the MDM5000, has successfully bored a hard rock tunnel with flat invert in Fresnillo, Mexico.
cover tunnel photo by: Matt Brown from London, England / CC BY
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The Tunnel magazine had a comprehensive article over the rectangular TBM of Robbins. Published back in May though still current with more detailed information.
https://www.tunnel-online.info/en/artikel/tunnel_Rectangular_Rock_Mining_Machine_for_Flat_Invert_3692732.html
Rectangular Rock Mining Machine for Flat Invert - tunnel
www.tunnel-online.infoAs a practice-oriented, specialized technical journal, tunnel devotes itself to the planning and construction as well as research, technical equipment installation, maintenance and refurbishment of underground structures.