Search Results: 'National Grid'

Achievements and Aspirations
08 June, 2016
Last month saw a changing of the guard at the BTS, with Roger Bridge handing the Chairman’s baton over to Mark Leggett. They spoke to Sally Spencer about achievements thus far and plans for the future

First trains through delft
24 May, 2016
The construction of a four-track railway tunnel in Delft in the Netherlands has reached an important milestone. From March 2015, trains have been running on two tracks through the tunnel and station. The 2.3km-long tunnel runs through the historical city center and replaces a fly-over, which caused major nuisance due to noise and vibrations. This article addresses a brief history and description of the project, some main design risks (safety, vibrations, pressure waves, building damage control), the geological and geohydrological conditions and the construction methods