Search Results: 'Hochtief'

Flying shield tunnelling' method comes to the UK
20 February, 2013
The construction of Thames Tunnel got off to a good start due to a new tunnel machine launch method developed by Hochtief, Crossrail announced recently. This is the first time that the technique, flying shield tunnelling, has been used in the UK, having previously been used in Cologne, Germany, in 2005.

A glowing report
23 October, 2012
The TAC directors provide an update for each region

Prague Metro’s return to TBMs
28 August, 2012
Ermin Stehlik and David Cyron of Czech contractor Metrostav give this detailed look at the extension to Prague’s Metro Line A and the return to TBM driven tunnels

European research project tunnel system completes
08 August, 2012
Excavation of a tunnel system for the XFEL European research facility in Hamburg, Germany, has completed successfully, when the AMELI TBM entered its last target shaft in June 2012. In three years time electron and x-ray light will be flowing from the project tunnel system, Herrenknecht announced late last week.

Crafting Cheves
17 May, 2012
Hochtief is constructing the Cheves hydro project, in Peru, which involves a range of tunnelling challenges, reports technical journalist Patrick Reynolds

Keller director Jimenez steps down
23 April, 2012

Bad Canstatt awarded to Alpine-Hochtief-W&F JV
04 April, 2012

Sweden on song
09 March, 2012
Håkan Stille professor emeritus in soil and rock mechanics at the Royal Institute of Technology (KTH), digs into what drives the Swedish tunnelling industry

Jacked box and structure techniques
26 December, 2011
Box jacking in its various forms provides a safe, reliable means of excavating beneath sensitive infrastructure. James Thomson, chairman of Jacked Structures, explores the options available

World’s longest structure jack
26 December, 2011
The world’s longest jacked structure forms a highway underpass beneath a road-rail crossing that sits on unreliable Thanet Sands. Alex Conacher reports from site

Herrenknecht supplies last Crossrail TBMs
22 September, 2011

Connaught phoenix for Crossrail
15 June, 2011
Crossrail has been revealing the Connaught Tunnel in London’s Docklands to representatives of the media and stakeholders prior to work beginning on its modification. The project design involves some unusual refurbishment methods to enlarge the existing tunnel and preserve some Victorian features as Maurice Jones reports

Copenhagen cut
13 April, 2011
Detailed planning is underway for major excavations and tunnelling works on the Cityringen metro line in Copenhagen. Report by Patrick Reynolds

Final Crossrail tunnelling contracts awarded
07 April, 2011

Spanish armada sinks competition
11 February, 2011

Hochtief fined over Glendoe fatality
13 January, 2011

The unforeseen struggle in the south
06 December, 2010
Unexpected squeezing, rockbursting and heat made the southern contracts exceptionally difficult testing both human and technical capabilities

Hochtief’s hydropower contract
03 December, 2010

Growth in Chile
10 November, 2010
Tunnelling activity is growing in Chile with key hydro, road and mining projects and combinations of equity and construction involvement by foreign firms. Report by Patrick Reynolds

Spending heads south
10 November, 2010
Mexico, Panama and Chile are seeing tunnelling for many of their infrastructure projects, and they’re not alone in the region, Nicole Robinson reports