From Old to Bold: Revitalizing a Double-Shield Hard Rock TBM | CEGC Equip
Robbins Double Shield: Black River Breakthrough
Mix Shield Tunnel Boring Machine (TBM)
Robbins OD 7,1 m Double Shield TBM for Hard Rock
Legacy Way - Assembly of TBM Annabell
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Last Updated: September 6, 2026
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Summary
Continuous tunnelling at maximum speed. Animation of a boring cycle of the Learn more about the Sunkoshi Marin Diversion Multipurpose Project (SMDMP) in this in-depth video featuring a record-setting ... Witness the power of engineering excellence! The "Jinfeng" See the breakthrough of a Robbins 7 m This video takes through the explanation tunneling by Mix For Sales in very Good Condition, Robbins OD 7,1 m