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A good dose of fibre
11 June, 2020
Steel fibre-reinforced concrete and its historic use in metro tunnels was the subject of discussion at a seminar hosted by steel-fibre maker Bekaert. Paola De Pascali reports
Finally back on track
11 June, 2020
HS2 has at last been given the green light, following the notice to proceed which is enabling four joint ventures to finalise their designs. Julian Champkin reports
Lifting from below
27 April, 2020
While the use of cranes underground may be limited, when they are used, specific adaptations are often required. Ian Vallely spoke to tunnelling experts about their requirements, and crane companies who’ve met these demands
Thames Tideway excavation halfway complete
21 February, 2020
Great Britain – London’s new ‘super sewer’ half excavated. The TBMs boring the Thames Tideway project are 12.5km through the 25km-long, 7m-diameter project. As well as the main tunnel, a 1km-long, 3m-diameter connection tunnel is also currently under construction in Wandsworth at the western end of the project.
27 September, 2019
A round-up of tunnel work in the Nordic Forum
Link Alliance awarded City Rail Link TBM tunnels contract
31 July, 2019
New Zealand – The Auckland City Rail Link main design construction contract (C3) was awarded in July. The NZD 1.7bn (USD 1.12bn) tender was scooped by the Link Alliance, a joint venture of Vinci Construction Grands Projets, Downer NZm Soletanche Bachy, WSP Opus, Aecom and Tonkin & Taylor.
Under the sea
04 June, 2019
Paola De Pascali spoke with Henrik Christensen, Femern technical director to explore logistics and dredging challenges behind the Fehmarnbelt tunnel
The grand Renaissance
04 June, 2019
The tunnelling sector is booming in France after some dark years. Paola De Pascali met Michel Deffayet, the chair of the French Tunnelling Society (AFTES)
The big conversion
12 April, 2019
Paola De Pascali spoke with Florent Detraux, tunnel construction manager at Vinci Construction Grand Projets, about the conversion of an NFM TBM to use Herrenknecht Variable Density technology on the third metro line Phase 4A in Cairo
HRBT team to build Virginia extension
18 February, 2019
US – Virginia governor Ralph Northam announced February 15 that the Commonwealth of Virginia has selected Hampton Roads Connector Partners, a design-build team, to deliver the Hampton Roads Bridge-Tunnel (HRBT) Expansion Project. The fixed price (USD 3.3bn) and fixed completion date (November 1, 2025) contract is expected to be executed in April.
20 December, 2018
Following reader requests, Alex Conacher visits the VIP-Polymers manufacturing base near Cambridge, UK to learn why a Cast-in gasket’s corners needs to be compressible, not ‘soft’, no matter what specifications currently say
Bessac to supply safety gallery TBM
09 August, 2018
France – Bessac is going to supply a TBM to Vinci (Chantiers Modernes Construction) to construct a safety gallery for a rail tunnel in Meudon, west Paris. The machine, a 4.4m EPBM, will be delivered in September.
Combining Two Soft Ground TBM Technologies
27 March, 2018
The development of Herrenknecht’s Variable Density TBM is detailed by Karin Bäppler, head of geotechnics and consulting for traffic tunnelling; Frédéric Battistoni, division manager for traffic tunnelling and Werner Burger, manager of the design division - traffic tunneling
RATP awards contract on future Line 14
23 February, 2018
The consortium led by Vinci Construction (Dodin Campenon Bernard, lead company; Vinci Construction France; Vinci Construction Grands Projets and Botte Fondations), together with Spie batignolles (Spie batignolles Génie Civil and Spie batignolles Fondations), has been awarded a major contract as part of the Grand Paris Express programme.
06 February, 2018
Automation of the steering and piloting for TBMs using a system developed by Vinci Construction engineers in the 1980s is continuing to deliver benefits. Bernadette Ballantyne reports
Kier and Eiffage pick up Carillion HS2 work
31 January, 2018
Great Britain - Following the total collapse of one of Britain’s largest contractors, Carillion, Kier and Eiffage have picked up its HS2 work. The companies, which were in joint venture with Carillion to deliver GBP 1.4bn of projects in the HS2 programme, confirm that they are offering employment to the 51 Carillion employees including apprentices, currently working on the HS2 joint venture.
HS2 Phase One Stage One winners announced
17 July, 2017
Great Britain - The High Speed Two project has announced the winning bidders to construct the first stage of the first phase of the project, which is split into three ‘Areas’.
Dear green place
29 May, 2017
It is the morning after Burns Night and Tunnels and Tunnelling visits the Costain-Vinci Construction Grands Projets joint venture working on the Shieldhall Strategic Tunnel project in Glasgow for client, Scottish Water. One of the main purposes is to stop the disfiguring floods in the city whose name in broken Gaelic means ‘dear green place’
Shieldhall construction halfway complete
10 May, 2017
Great Britain - Work on Glasgow’s Shieldhall project is halfway complete, according to Scottish Water. In an announcement in early May, the client said that the milestone was reached as the TBM passed under Pollok Park. The project will be the longest wastewater tunnel in Scotland when complete.
03 November, 2016
The ITA’s Nordic Forum provides an opportunity for canada and other nations to exchange information. Tunnels & Tunnelling looks at projects underway in the region