Search Results: 'Alpine'

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Down the road
10 October, 2013
Roadheaders, the underdog of the tunnelling industry, have secured their place as a economical and variable excavation tool, ideal for short drives and changing ground. Technical journalist Rhian Owen examines the principles.

LTA re-awards DTL2 works following insolvency
04 September, 2013
The Singapore Land Transport Authority (LTA) has appointed McConnell Dowell South East Asia (SEA) Private Limited and SK E&C (Singapore) to complete construction works for three Downtown Line 2 (DTL2) stations following the insolvency of the earlier contractor Alpine Bau GmbH, which was awarded the contract for design and construction of the stations in September 2009, LTA announced recently.

Prague Metro
05 April, 2013
Ermin Stehlik and Vaclav Soukup of Metrostav are presenting the keynote talk‚ 'Prague Metro construction – past, present and future' at UC Prague 2013. This comprehensive three-part article covers Prague Metro construction from its beginnings in 1966 up to the present and into future plans. Early construction covered in this, the first part, was affected by the political situation, with the start of construction based on imported Soviet technologies.

Rohtang praying for rock
17 January, 2013
The Rohtang Pass tunnel in India’s northern Jammu & Kashmir region is an ambitious project to provide year-round access to a remote group of communities. The Strabag- Afcons JV has hit woeful ground conditions and braved the worst the Himalayas can throw at it as work on this infrastructure lifeline slowly progresses. Alex Conacher speaks to Peter Reichenspurner, Strabag’s technical area manager for Asia and Africa, tunnelling division

Opportunity rocks
27 December, 2012
Hong Kong develops into the main base of operations for the Asia Pacific, while Singapore strives to become to hottest destination for professionals, and both scrap for skilled labour. Alex Conacher speaks to three expats

GRP bolting: Application and performance
23 November, 2012
Pete Ferreira of Minova RSA argues the case of glass fibre reinforced plastic rockbolts, and call for more research to be done on tunnelling applications

Korean Connections
17 October, 2012
Following a drive worthy of any alpine highway, and a respectful shuffling-off of shoes in favour of the site office sandals, Alex Conacher speaks to Young Sam Kim, site manager for contractor Samho

KoralmTunnel main drive ready to roll
29 August, 2012
Alex Conacher speaks to Wolfgang Lehner, general manager of Strabag’s tunnel department, as NATM tunnelling on the second Koralm tunnel lot comes to an end and preparations begin for the main TBM drives

Delhi digs
19 June, 2012
With a metropolitan population of over 16 million, a failed foray into privatised bus services and cars choking up one of the densest road networks in India, need for a metro has never been more pronounced. Alex Conacher interviews designer Mohan Gupta and Delhi Metro Rail Corporation spokesman Anuj Dayal to get the jewel of India’s infrastructure crown into perspective

Shortlisted bidders for Bank Station announced
10 May, 2012

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

Crossrail fit-out shortlist
04 April, 2012

Boom to meet needs
26 December, 2011
The economies of Latin American countries are bucking the global trend and are the strongest they have been for many years. Nicole Robinson and Maurice Jones highlight some market factors and important projects in this increasingly important region for tunneling

Pinglu’s pipe
10 November, 2011
The latest stage of the Yellow River Diversion Project in China, was undertaken by a single TBM on a long drive through difficult ground conditions, reports Patrick Reynolds

Brenner push
19 October, 2011
Excavation and procurement are advancing at the Brenner Base Tunnel with the third exploratory tube contract due to be awarded shortly and planning continuing for the main bores in the Alps. Report by Patrick Reynolds

Brenner bash signals working resolve
03 May, 2011

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

Singapore sting
13 April, 2011
TBM firms on new metro projects in Singapore are being asked to provide performance bonds direct to the client that can be called on in the event of a dispute during construction, regardless of who is at fault. John McKenna reports

Powering up at Linthal-Limmern
14 March, 2011
The topography of alpine and similar mountainous areas presents both many challenges and opportunities for tunnelling engineers. Whereas the current focus has naturally been on rail base-tunnels, the business of constructing and expanding hydropower facilities continues apace. Maurice Jones summarises recent developments at the Linthal-Limmern hydropower complex

Finishing Gotthard
14 March, 2011
Work is getting into full swing on the 15.4km long Ceneri tunnel that completes the Gotthard high-speed railway axis in Switzerland. Adrian Greeman visited the site