Category: Videos
SBUs in Action: Mixed Ground SBU-M in Pennsylvania
View a Robbins Motorized Small Boring Unit (SBU-M) successfully excavating mixed ground conditions in Clairton, Pennsylvania for contractor Capitol Tunneling, Inc.
Robbins EPBs in Action: Chengdu Metro
Soft clay soil, an array of boulders, and sharp turns have each added an extra layer of difficulty on the Chengdu Metro Line 2 project. Custom-engineered with active articulation systems, the two Robbins 6.3m EPBs have been carving their paths at speeds up to 180 meters per week.
Robbins EPB TBM Cutterheads
This video describes custom cutterhead design for Robbins soft ground tunnel boring machines, known as Earth Pressure Balance Machines.
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- Encountering Caverns in France: TBM Tunneling in Karst Conditions
- 48 Fault Zones and 26 Bar Pressure: Boring Turkey's Gerede Water Transmission Tunnel
- High-Speed Tunneling in the Himalayas: Over 1,200 Meters a Month at Bheri Babai