Search Results: 'Tamrock'

Excavation nearly finished at Herradura
21 October, 2005

Sung Bo say breakages go in Korea
23 August, 2005

Eagle's Nest falls behind in HK
10 December, 2004

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

Drilling for speed on Korea's new HSR
01 October, 2004
As part of the Republic of Korea's Seoul-Busan high-speed rail project, contractor Tae-A Construction is tunnelling through a mountainous ridge to complete an important link on Phase 2 of the project. The 2020m-long, double-track Songseun Tunnel is one of two on this section, and will emerge in a spectacular fashion half-way up a valley side, to continue in an elevated section. Technical journalist, Maurice Jones, recently visited this example of continuing Korean infrastructure development

Eagle's Nest
01 July, 2004

Ready to go on San Francisco
01 July, 2004

And 15 years ago
01 July, 2004

Shotcrete extremes at Kárahnjúkar
01 March, 2004

The evil staircase – Kakia Skala
01 October, 2003
Karstic voids, fractures, limited access and steep slopes have posed serious construction challenges on an 8km set of tunnels for a new railway line and the new Athens-Corinth motorway. Technical journalist, Adrian Greeman, recently visited the project

Back on track at Vietnam's Hai Van Tunnel
01 October, 2003
After early problems getting the tunnel works underway, progress on the Hai Van tunnel in central Vietnam is now on schedule for breakthrough in October and opening at the start of 2005. Resident engineer for the South Tunnel Section Nigel Butterfield, of the Louis Berger Group, reports on the current status on site

Final design for Helsinki tunnels
01 July, 2003

Blasting into the 21st century
01 July, 2003
The tunnelling environment is continually evolving towards higher demands for quality, environmental responsibility and economy in operation. Pekka Nieminen of Sandvik Tamrock Corp discusses how some of the latest technologies and methods have provided tools that develop the drill and blast method

Tall machines for a tall order
01 May, 2003

Large scale NATM in São Paulo
01 March, 2003
Gerson Rodrigues de Castro and Lia Marina Knapp, engineers for client, DERSA (Desenvolvimento Rodoviário S.A.) - Highway Development Company, Government of the State of São Paulo, describe the construction of the largest NATM tunnels built in Brazil to date

Norway's urban drill and blast
20 February, 2003

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

Swedish tunnel start
15 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