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The First Modern Tunnel Boring Machine
In 1952 James Robbins developed the first modern Tunnel Boring Machine for the Oahe Dam Project in South Dakota, USA. The machine used drag bits and dumbbell-shaped cutters to successfully excavate weak shale rock.
- Twin Robbins EPBs make milestones near Taj Mahal
- Long Haul TBM: Use of a Rebuilt Main Beam Machine at the DigIndy Tunnel System in Indianapolis, IN
- Evaluating TBM Design and Performance, 30 Years Apart: The Lesotho Highlands Water Tunnel, Phase 1 and Phase 2
- Overcoming Mountainous Geology at Nepal's Sunkoshi Marin Project
- Swift Robbins TBM breaks through 11 Months Early