Search Results: 'National Grid'

Pumping Below
24 June, 2015
Rising interest in pumped storage hydropower in the US could see more large underground excavations in coming decades. Report by Patrick Reynolds.

On the radar
24 June, 2015
Ground penetrating radar was used to investigate pavement settling in the Cumberland Gap mountain tunnel. Roger Roberts, senior software engineer for Geophysical Survey Systems, Inc, working with engineers at the Kentucky Transportation Center at the University of Kentucky, explains the research.

Are we there yet?
29 January, 2015
Moving materials to a jobsite in the centre of a major city or hauling TBM components up steep mountainous routes has its challenges, which can affect a project’s cost and timescale. Rhian Owen investigates the increasing importance of an effective logistics system from the beginning.