Today on Tunnels & Tunnelling International
Bond street models
Congested Bond Street Station at the heart of London's Underground is one of the key challenges for an upgrade project. Ali Nasekhian, Thomas Schwind and Stefan Pinter of Dr Sauer explain 3D...
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Practical modelling
This paper attempts to offer practical information and disclose significant aspects of numerical simulations in tunnelling based on the authors' experiences in research and applications on a wide...
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Lining ups the ante
To supply the thousands of segments that will line Toronto's newest light rail project, Munro. has expanded its manufacturing facility and process. Theresa Erskine of Munro reports on the project.
Read moreLATEST NEWS
Preferred bidders unveiled for the first three Jakarta Metro tunnel contracts
Three of five tunneling contracts for the 9.2km underground section of Jakarta's 15.2km first phase of the North-South metro line have been awarded. A JV of Shimizu, Obayashi, Wijaya Karya and Jaya Construction has won two of the contracts and the third contract goes to Sumitomo-Mitsui Construction JV.
Three of five tunneling contracts for the 9.2km underground section of Jakarta's 15.2km first phase of the North-South metro line have been awarded. A JV of Shimizu, Obayashi, Wijaya Karya and Jaya Construction has won two of the contracts and the third contract goes to Sumitomo-Mitsui Construction JV.
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Oslo subway contract awarded
Skanska has won a NOK 357M (USD 61M) subway contract in Oslo, Norway.
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Ilford Yard stabling project awarded
The contract for the Ilford Yard stabling project has been awarded.
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Government HS2 tunnel rethink involves tunnel extension
The Government has revised its High Speed 2 rail line route and developed an option involving extending a proposed tunnel under the East Midlands Airport. Britain's HS2 network could be extended to enable plans for a major development next to the airport to progress, transport secretary, Patrick McLoughlin, announced.
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Design contract awarded for Norwegian road tunnel
Sweco has been selected by Statens vegvesen to design one of Norway's longest tunnels, located in the Telemark region, it was announced earlier this month. The value of the contract is nearly SEK 40M (USD 6M). Planning and design work will begin immediately and the finished road is expected to open for traffic in 2018.
LATEST FEATURES
In the January BTS meeting, technical and risk manager Andreas Raedle, construction manager Jörg Steppuhn and site manager Felix Lenzen, all of Hochtief Solutions, presented on the Norra Laenken road tunnel project in Stockholm, Sweden. This article gives an overview of both the design and construction for the Lot NL 35project, including the pre-grouting works, the drill and blast operations and a new concept for inner lining
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Geneva Convention
The international tunnelling community heads to the Lake Geneva shoreline as the World Tunnel Congress enters Switzerland's metropolitan heart
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Bond street models
Congested Bond Street Station at the heart of London's Underground is one of the key challenges for an upgrade project. Ali Nasekhian, Thomas Schwind and Stefan Pinter of Dr Sauer explain 3D modelling for the project
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Practical modelling
This paper attempts to offer practical information and disclose significant aspects of numerical simulations in tunnelling based on the authors' experiences in research and applications on a wide range of projects in and outside the UK. authors Panos Spyridis of dr. Sauer, Angelos Gakis of dr. Sauer and Anmol Bedi of imperial college london explore
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Lining innovation at Marche-Umbria
Italy's Quadrilatero Marche-Umbria project is benefitting from a new tunnel lining system reinforced by tubular arches. Pietro Lunardi, Fabrizio Romozzi, Andrea Simonini, Dino Bonadies, Cesare Avignone and Carla Luigina Zenti describe the application, installation and safety aspects of this new system
BLOGS
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An open letter to the U.S. Congress
Dear elected officials, or the interns who open their mail, while I have no direct affiliation with the organisers, I’m going to go out on a limb, here, and invite you to RETC, the Rapid Excavation Technology Conference, which is being held in your neighbourhood this June. I’m sure they won’t mind.
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A cost of price
The UK has been hit by a supply chain scandal in the past month that seems unrivalled in recent years. One of the most regulated industries has spectacularly failed. British and European consumers have been eating horsemeat disguised as beef. This scandal offers a warning on price driven markets. The introduction of horsemeat into beef products has affected the lowest price readymade meals. Opportunists in the supply chain delivered cheap ‘beef’ to undercut competition.
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Rock Me Amadeus
NATM is a frequently misunderstood approach to tunnelling. Its de¬ nition, its use and its advantages are often the subject of debate. In this issue of Tunnels, Austrian Society for Geomechanics (OeGG) president Wulf Schubert attempts to tackle the issue.
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Show, don't tell
The National Center for Education Statistics recently released results for US students on the Trends in International Mathematics and Science Study (TIMSS), a program testing maths and science every couple years at grades four and eight over the past decade and a half.
LATEST EVENTS
WTC 2013, Geneva, Switzerland
World Tunnel Congress at International Conference Centre. Organised by Swiss Tunnelling Society.
World Tunnel Congress at International Conference Centre. Organised by Swiss Tunnelling Society.
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Rapid Excavation & Tunneling Conf (RETC), Washington DC, US
Marriott Wardman Park. Organised by the SME - Society for Mining, Metallurgy & Exploration. DEADLINE for conference paper abstracts 30 June 2012.
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