The HRBT Expansion Project reached a significant milestone on Jan. 14 as the final piece of Mary the Tunnel Boring Machine's ...
DC Water took a major step Tuesday in the Potomac River Tunnel Project, lowering the cutterhead for ‘Mary,’ the tunnel boring ...
Here's how Chinese engineers rescued a failed tunnel boring machine by guiding a second one to meet it under a river.
In rendezvous beneath the Yangtze River, a multimillion-dollar tunnel boring machine meets its stalled twin with just 2mm of ...
Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first mile of the $16 billion Gateway Tunnel through the rocky Palisades.
Abstract: Detecting horizontal gauge deviations on railroad tracks is critical for ensuring operational safety and enabling cost-effective maintenance planning. Traditional approaches rely on ...