Search Results: 'Alpine'

Tunnelling into the future
01 December, 1999
Professor Dr-Ing. Alfred Haack, Executive Board Member of STUVA, President of the International Tunnelling Association, assesses the future of underground construction. The 'fourth dimension' holds possibilities that have not, as yet, been recognised but which will become crucial for our ultimate survival.

Rail replacement in Channel Tunnel
01 December, 1999

Underground expertise at Hagerbach
01 December, 1999

MetroWest finale
01 November, 1999

Thoroughbred development
15 October, 1999
Roadheaders are frequently referred to as versatile workhorses, which implies that they are examples of utility equipment rather than an important method of tunnel excavation. Technical Journalist Maurice Jones highlights their virtues and points out that, while such machines constitute a maturing technology, efforts are continuing to increase their applications and productivity.

Road tunnel design and fire life safety
15 October, 1999
The tragic fires in the Mont Blanc and Tauern tunnels have highlighted the issue of fire life safety in tunnels. John Day, Senior Project Manager, Electrowatt Engineering, Zurich, designs ventilation systems for Swiss road tunnels and is responsible for all Electrowatt's road tunnel ventilation activities abroad. He examines the implications of these fires for road tunnel design and for existing structures, emphasising the need for a culture of safety among all those involved.

Tunnelling for the 2001 world skiing championship
14 October, 1999
NATM has been used to construct the 1743m long Wolfsgruben Tunnel at St Anton, part of the east-west Austrian rail link across the Arlberg Mountain. Dipl. Ing. Fitl of Stuag describes how excavation has been carried out in difficult ground for opening in time for the 2001 world skiing championship

Diversity breeds innovation
14 October, 1999

Schulwald railway tunnel breakthrough
16 September, 1999