Search Results: 'Wirth'

Multiple methods for Uetliberg tunnel
01 November, 2002
The 4.4km long Uetliberg Tunnel, the key structure on Zurich's western bypass, is being constructed by an array of techniques. Daniel Marti and Stefan Maurhofer of the project consultant Amberg Engineering, Josef Bolliger, project leader for the Uetli JV and Otto Schnelli representing the client discuss progress

Sedrun shaft
01 November, 2002

30km Lesotho breakthrough
10 September, 2002

TBM challenge at Guadarrama
01 August, 2002

CTRL's section 2 tunnelling start
01 August, 2002

Herrenknecht Mixshield for Channel Tunnel Rail Link
01 May, 2002

Expert advice for Taiwan's PinGlin
01 May, 2002
Taiwan's Pinglin tunnel saga continues as contractors battle with faults, fractures and floods. Adrian Greeman describes the new measures taken in a project re-think, that is the result of recommendations given by a panel of expert tunnelling professionals

Barcelona's new backbone runs deep
01 March, 2002
Due to start in May, construction of the long-awaited Barcelona Metro Line 9 will connect with and cross all the city's existing metro and rail lines. Consultant, Nicola Della Valle currently working with Paymacotas of Spain, describes the challenges involved and how these objectives will be achieved with minimum surface disturbance through an innovative integrated station and tunnel solution.

January 2001 - 2002 News Review
01 February, 2002

Barcelona's record TBM?
01 February, 2002

European TBM giants join forces
11 January, 2002