Search Results: 'Amec'

Performance of fibres for concrete
01 September, 2003
John Greenhalgh, technical sales representative for Bekaert Building Products UK, describes various types of fibre reinforcement available for underground construction and how the various characteristics of these fibres affect concrete performance

Flying ahead at Terminal 5
01 September, 2003
As part of Heathrow Airport's new Terminal 5 project, numerous underground works are required, including a Storm Water Outfall Tunnel, a service tunnel under the A3044, and extensions to the Piccadilly Line and Heathrow Express. Peter Clarke, planning manager, and Selby Thacker, production leader, for the Morgan Vinci JV, and Ian Williams, BAA project leader, describe the bored tunnel works currently in progress

Anchorage testing and monitoring
01 September, 2003
M Chappell and BH Jackson of Amec, Dr A Starkey, of the University of Aberdeen, describe the latest developments in GRANIT, the new non-destructive non invasive testing system designed to assess anchor integrity.

The ART of success under Heathrow
01 September, 2003
Exactly one year after tunnelling commenced on the 1.3km long twin-bore Airside Road Tunnel (ART) project, under the UK's busiest airport taxi-ways, breakthrough was successfully achieved. Ian Williams, BAA project leader, and Selby Thacker, production leader for the Morgan Vinci JV, describe the challenges met during the project

Creating a 'safety culture'
01 June, 2003

Breakthrough technology on CTRL
01 April, 2003
Last month, CTRL's 'C320 - Thames Tunnels' TBM broke through into the Thurrock reception chamber, on the north side of the River Thames in the UK, using a new technique involving the use of glass-fibre bars (GFRP) instead of steel reinforcement for construction of the diaphragm headwalls. Jürgen Mielenz, temporary works manager for the contractor, the Hochtief/Murphy JV, describes the methods employed