Search Results: 'Alpine'

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

Designing Sydney's Lane Cove Tunnel
01 November, 2004
The 3.6km long twin-tube Lane Cove Tunnel in Sydney, New South Wales is scheduled to open in 2007. Here, Jim Rozek, project design director for Parsons Brinckerhoff, describes the current status of the project and details how the local geology has affected the tunnel design

Upgrading a legacy - the Frejus rail tunnel
01 November, 2004
In order to facilitate the increase in trans-Alpine freight, the historic Frejus rail tunnel is currently being upgraded to accommodate larger rolling stock. Piergiorgio Grasso, Moreno Pescara, Federico Valdemarin and Darren Page from Geodata SpA, Italy, describe the geotechnical, structural and tunnelling works currently being carried out to achieve this

Back-to-back quality!
01 September, 2004

In the footsteps of Peter the Great
01 May, 2004
In January 2002, T&TI reported on the ambitious plans to reconnect Line 1 of the St Petersburg Metro. Silvano Maccan and Piergiorgio Grasso, of Geodata SpA, Italy, and Nikolai Kulagin and Constantin Bezrodniy, of Lenmetroguiprotrans, Russia, report on the difficult challenges overcome on this project, which is due to see train services recommence in May 2004

Cross City's driven tunnel design
01 February, 2004
The US$530M Cross City Tunnel is one of the most complex and challenging infrastructure projects undertaken in Sydney, Australia, with underground railway lines, building basements and services to be negotiated. Anaiele Tarua, senior engineer (Driven Tunnels), and Alex James, design interfaces coordinator, with CW-DC Pty Ltd, describe the driven tunnel design for the project