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.