Search Results: 'Parsons Brinckerhoff'

Cable guy
10 October, 2013
A new cable tunnel has gone seemingly without a hitch in the Willesden/harlesden neighbourhoods of North London. Alex Conacher tours the site with Murphy’s tunnelling project manager Keith Pollard.

Blast Security and Protection
20 June, 2013
The security of tunnels against potential detonated explosions from within and outside the tunnel structure is a main challenge facing to owners and operators of tunnel systems, particularly those used for vehicle or rail traffic. This paper by Sunghoon Choi of Parsons Brinckerhoff USA introduces a design practice recently developed for protecting underground structures from explosion in the US.

Blast Protection Design
27 February, 2013
The security of tunnels against potential detonated explosions from within and outside the tunnel structure is a main challenge facing to owners and operators of tunnel systems, particularly those used for vehicle or rail traffic. This paper by Sunghoon Choi of Parsons Brinckerhoff USA introduces a design practice recently developed for protecting underground structures from explosion in USA

Northern Exposure
19 February, 2013
While Seattle is known for its grey drizzly days, the climate for tunnelling is all blue skies. Sound Transit will bid another major tunnelling contract for its regional mass transit system this March, Nicole Robinson reports