They said unforeseen problems with the tunnel-boring machine, which created sinkholes and other complications, delayed construction by six months.
Workers stand on top of the tunnel-boring machine Bertha, looking down at the exposed ring-shaped cutter drive that will be lifted out and repaired, on ...
“Besides a tunnel length spanning 14.08 km, the project also involves construction of a 10.8-km approach road with three vertical ventilation shafts, ...
In Bend, Ore., local contractor Stadeli Boring & Tunneling had a unique set of circumstances for a new gravity sewer interceptor. The contractor had a ...
Interested companies have the opportunity to obtain the specification documents until the day of the tender.
Last weekend Seattle Tunnel Partners started filling the 120-foot-deep pit that was used to fix the broken tunnel boring machine named Bertha.
The 4.6-km-long, 6.8-m-diameter Tunnel Boring Machine (TBM) Tunnel at Intake No. 3 is the deepest sub-aqueous tunnel in the world. Arup worked ...
... short film illustrating the difference that the removal of the A303 and the construction of a tunnel of at least 2.9km long could make to the Stonehenge ...
A tunnel boring machine (TBM) cannot begin work on a new project until it has been given a name, according to tunnelling tradition. This is practised ...
“Chinese investors are keenly interested in the construction of Cherno More motorway, the construction of the tunnel under the Shipka Peak as well as ...
The tunnel boring machine for the SkyTrain Evergreen Line has been operating around the clock with no issues since it restarted in mid-September ...
The second of two enormous tunnel boring machines churning their way between Bella Vista and Epping to create the new Sydney Metro Northwest ...
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