19/01/2016
The tunnel boring machine was pushed using hydraulic jacks over a distance of 210 metres, 20 metres underground. To make the process more ...
13/01/2016
Apart from the tunnel, the project also involves construction of an approach road of 10.8 km with three vertical ventilation shafts, a snow gallery of 700 ...
13/01/2016
Engineers at the Robbins Company designed the first hard-rock tunnel-boring machine. Designing the machine's cutter head to ensure stability while ...
13/01/2016
Work on the tunnel is currently in it's first phase, mining. A tunnel boring machine or TBM given the Hawaiian name 'Pohakulani' pierces through ...
11/01/2016
They said unforeseen problems with the tunnel-boring machine, which created sinkholes and other complications, delayed construction by six months.
05/01/2016
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 ...
05/01/2016
“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, ...
31/12/2015
In Bend, Ore., local contractor Stadeli Boring & Tunneling had a unique set of circumstances for a new gravity sewer interceptor. The contractor had a ...
21/12/2015
Interested companies have the opportunity to obtain the specification documents until the day of the tender.
16/12/2015
Last weekend Seattle Tunnel Partners started filling the 120-foot-deep pit that was used to fix the broken tunnel boring machine named Bertha.
12/12/2015
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 ...
02/12/2015
... 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 ...
