Articles Tagged with ''Tunnel Boring''

Excavation has begun on Nashville’s Music City Loop, but unanswered questions fuel growing concern among local officials.

Consortium set to build 22 km of line connecting Paola and Cosenza in southern Italy.

A partial collapse in LA’s Clearwater Tunnel trapped 31 workers nearly 450 ft underground; all were rescued safely. Officials cite soft soil and “squeezing ground” as likely contributing factors.

As Mary the tunnel boring machine nears the home stretch of her round-trip beneath Hampton Roads harbor, another TBM has wrapped up its role in expanding another of the region’s historic bridge-tunnel complexes.

A design-build JV of Dragados USA, Vinci, Dodin Campenon Bernard and Flatiron Constructors is leading the $3.9-billion project, which will double capacity with two new 7,900-ft-long bored tunnels.

German-based TBM manufacturer is progressing on a challenging dig under the Elbe River estuary, and expects further tunnel work in the future as Germany prepares significant investments in infrastructure.

Construction is more than halfway complete on $3-billion worth of new lines in the Delhi region.

Brushy Creek Regional Utility Authority’s $450-million water treatment and raw water intake project will serve fast-growing cities near Austin.

The BART Silicon Valley Phase II Extension Project would add four stations along 6 miles.

As project director on London’s $1.2-billion Silvertown highway tunnel, Juan Angel Martinez Diaz successfully adopted hovercraft-like skates to rotate the job’s 39-ft-dia tunneling shield to drive both bores of the 0.9-mile crossing, saving critical time on the project’s tight schedule.