Mary’s job is done. On Wednesday, the tunnel-boring machine known as Mary, responsible for digging the two new tunnels for the Hampton Roads Bridge-Tunnel expansion, completed the second and final leg ...
The flexible Bucyrus-Ruth model HU Dredger is shown in travel position. An operator hand cranks the steering adjustment of the remote crawler on the Ruth Dredger. The Ruth Dredger was a unique ...
Mini excavators in the 6-metric-ton size class and below have continued to gain in popularity, fielding big-machine features and comforts without sacrificing their unique position as “specialized ...
Mary, the enormous drill doing the bulk of the heavy lifting in the Hampton Roads Bridge-Tunnel Expansion Project, began boring the second tunnel Thursday after a six-month break. She finished digging ...