Search Results: 'Herrenknecht'

Experience on Porto – EPB follow-up
01 December, 2003
Following three major collapses during the construction of Line C of the Porto Light Metro, Portugal, a new integrated approach was adopted for both the design and construction phases. F Gaj, V Guglielmetti and P Grasso of Geodata, Italy, and G Giacomin of Transmetro, Portugal, re-live the innovative experience of "Plan for Advance of TBM (PAT)"

Filling the gap in packing requirements
01 October, 2003
Alex Lowson, Hatch Mott MacDonald's deputy engineering manager on the Arrowhead Tunnels Project in Southern California, describes his simple 'manual free' computer program that quickly and accurately determines tunnel segment packing requirements

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

London boom sets the scene for UC'03
01 September, 2003
Underground Construction 2003 is due to be held on the 24-25 September at the ExCeL conference and exhibition centre in London's docklands. At a time when tunnelling activity in London is at its peak, this year's event is set to outstrip the success of its predecessors

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

Small Bore & Pipejacking Products
01 August, 2003
The latest small bore and pipejacking products

Lining & Support Products - continued
01 August, 2003
The latest lining and support products - continued

Excavation Products - continued
01 August, 2003
The latest excavation products - continued

Excavation Products
01 August, 2003
The latest excavation products

Machine marathon at Guadarrama
01 July, 2003
The first of four 9.5m diameter hard rock TBMs went to work on the 28.3km long, Guadarrama rail tunnels in September 2002. Adrian Greeman, recently visited the site for T&TI and describes the challenges facing the machines on this marathon of a project

Tunnelling Industry Awards 2003
01 June, 2003

Two birds with one stone
01 May, 2003

A valid choice for comparison?
01 May, 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

TBM procurement using risk analysis
01 April, 2003
Prof. Dr-Ing Dr h c B Maidl of the Institute of Construction Technology, Tunnelling & Construction Management, University of Bochum, Germany and Dr-Ing D Handke of IMM Maidl + Maidl, Bochum, Germany, present a new strategy, using risk analysis, to manage the planning and selection of TBM design and illustrate this with two recent examples where this strategy was successfully used

Microtunnelling through hard rock
01 March, 2003