Search Results: 'Long Island Rail Road'

Invisible options
21 June, 2013
As urban infrastructure moves underground, SEM has proved to be a very flexible tool to construct complex underground structures. With blasting restrictions in many cities, roadheaders are providing reasonable production rates combined with low noise and vibration levels. Enrique Fernandez and Alejandro Sanz, both of Dragados, and Juergen Laubbichler of Dr. Sauer & Partners, explain why the industry should consider SEM in urban environments.

Go West
07 June, 2013
The market for megaprojects moves to the West Coast as tunnelling wraps up on most New York Subway drives, Nicole Robinson reports.