Search Results: 'Wirth'

Sedrun - Gotthard's toughest challenge
01 November, 2004
Planning to drive sections of the world's long-est tunnel from its centre point, 2500m underground in variable, squeezing ground, was indeed a challenge. However, using a combi-nation of mining and civil tunnelling methods, it is a challenge that many manufacturers have been lining up to meet with innovative equipment, reports Maurice Jones

Wirth gets a grip on Turkey
01 October, 2004

Canadian hydro tunnel's 2005 start
01 October, 2004

Iran's Qumrud tunnel forges on
01 October, 2004

Wirth's Turkish delight
13 September, 2004

Qumrud off to good start
13 September, 2004

Shiraz gets ready
01 September, 2004

Shiraz TBM commissioning
15 August, 2004

New Shiraz growth
01 July, 2004

Ready to go on San Francisco
01 July, 2004

And 15 years ago
01 July, 2004

High altitude tunnelling in Iran
01 May, 2004

Finale for CTRL London Tunnels
01 April, 2004

Challenges building the Zuckerberg II
01 March, 2004
Construction of the 2.7km long Zuckerberg II Tunnel through unforeseen ground conditions tested the construction team to the full. Dipl. Ing Thomas Walliser and Dipl. Ing Matthias Lindner-Spegele, of the tunnelling division of contractor Ed Züblin AG, describe events and talk about the tunnel's innovative lining methodology

World's biggest breakthrough
01 February, 2004

London Tunnels breakthrough
01 January, 2004