Search Results: 'Caterpillar'

Croatian tunnels on schedule
01 December, 2002

Tunnelling through Tanzania
01 December, 2002
The Lower Kihansi Hydropower Project in Tanzania was the first project in the world to adopt a water head as high as 850m in an unlined pressure tunnel. A Halvorsen, senior geologist and J Lindemark, project manager for NORPLAN and F X Saidi, director of projects for TANESCO describe the project and, in particular, the hydrological behaviour of the rock mass along the pressurised tunnel

CAT builds new facility in UK
16 October, 2002

Sweden's Bothnia Line
01 October, 2002
The Bothnia Line is Sweden's largest infrastructure project for 50 years, where tunnelling accounts for 20% of the US$1.2bn, 190km, route. Three out of the four tunnels let, have been completed, while the remaining 11 tunnel contracts are still in bidding stage. Editor, Tris Thomas, recently visited the Stranneberg Tunnel, which demands the use of jet grouting and ground freezing techniques