Search Results: 'Tamrock'

Picking favourites
26 December, 2017
Sandvik’s vice-president for tunnelling drills Pekka Nieminen shares his career highlights, from complex rock in Switzerland to computerised drilling jumbos in South Korea

TAC Awards 2016
10 January, 2017
The Tunnelling Association of Canada (TAC) presents its annual awards each fall to recognise the deserving individuals and projects in the Canadian tunnelling sectors. The 2016 awards were presented on October 17 in OTtawa. Congratulations to all of this year’s winners

Face lift
25 June, 2015
Manitoba Hydro embarked on a programme to construct a new seven bay, gated spillway to replace its existing facilities. Boro Lukajic, an independent consultant, and Brian Peter of KGS Group Consulting Engineers, describe the project, now successfully completed.

Romaine Diversion
18 December, 2014
To build a dam for the La Romaine project in Quebec, a joint venture of EBC-Neilson needed to build a river. Donald Proulx, vice president of heavy civil works and mines, business development proposals, for EBC Inc, based in Quebec reports

Forming a Solution
27 June, 2014
Ben Roberds and Eric Gemin of Redpath describe the top heading and bench excavation method for the Waneta Expansion Project, and the challenges and benefits of using a self-advancing tunnel form on a 17 per cent slope.

The Italian jobs
11 February, 2011
Tunnelling is booming in Italy, with four major projects under construction and a further eight at the tender, design or financing stage. John McKenna reports

Deep down and squeezed tight at Sedrun
06 December, 2010
South African gold mine shafts, German coal seams, World War U-boat construction and Swiss mountain railways all helped on the difficult Sedrun section

Devil’s Slide diversion drive
23 March, 2010
A bypass tunnel on the scenic California coast is well advanced to avoid the Devil’s Slide landslide area on the famous scenic Highway One route, reports Adrian Greeman

Hindhead hit
27 October, 2008
The A3 Hindhead twin bore tunnels, under construction in England, are taking forward the development of permanent SCL. Report and photos by contributing editor Patrick Reynolds

Bribane’s quiet achiever nears end
23 September, 2008
Tunnelling successfully under a heritage-listed jail was one of several interesting challenges for Brisbane’s Boggo Road Busway Alliance (BRBA). Gavin Bradford, project manager for Stage Two of the Alliance, describes the project to date

Servicing Helsinki’s ‘Underground City’
08 April, 2008
A long-term strategy for the future development of Helsinki’s ‘Underground City’ includes a new service tunnel network, which is currently being constructed to remove commercial supply traffic from the surface of the historic city centre. Deputy editor, Amanda Foley, recently visited one of the contracts on the project

A Matter of Stability
26 July, 2007
There is a vast array of methods and materials now available to control ground stability, or to combat instability and collapses. Technical journalist Maurice Jones looks at some of the latest approaches

Monster tunnelling at Glendoe
16 April, 2007
At the March British Tunnelling Society meeting, members from the client, consultant and contractor gave an exhaustive presentation on one of the UK’s largest tunnelling projects

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

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

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