China: World first rectangular pipe jacking TBM (built by CREG) for hard rock breaks through
Developed and manufactured by China Railway Engineering Equipment Group (CREG), the TBM, known as CREC 1112, has an ex...wide and 7.57m high. https://www.newcivilengineer.com/latest/world-first-rectangula...Reply on topic: CREG TBM: How World's Largest Rectangular TBM Nanhu Achieved its Breakthrough
How are the segments with rectangular TBM built tunnels?Brenner Base Tunnel: 'BBT SE terminates the subcontractor ARGE H51'
...website (yet). ARGE H51 was responsible for tunnelling between Pfons and the Italian...rail-tunnel-project/ Markings (rectangular box) made on original image...to show ARGE H51's responsible area for tunnellingReply on topic: Robbins Rectangular Tunnel Boring Machine is operational in Mexico
https://im-mining.com/2021/09/02/robbins-accelerates-fresnillo-development-mdm-rectangular-tunnel-boring-machine/Reply on topic: Robbins Rectangular Tunnel Boring Machine is operational in Mexico
https://im-mining.com/2021/09/02/robbins-accelerates-fresnillo-development-mdm-rectangular-tunnel-boring-machine/
cover tunnel photo by: Matt Brown from London, England / CC BY
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