Search Results: 'Vinci'

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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

Northern exposure
27 September, 2019
A round-up of tunnel work in the Nordic Forum

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

Compressibe Corners
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

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

French Revolution
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

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’

Nordic Neighbors
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

Troubled waters
13 July, 2016
The Tideway Tunnel, a major new sewer that will help tackle the problem of overfl ows from the capital's Victorian sewers, has caused controversy since its initial proposal. Rhian Owen looks at the lengthy site selection process that was undertaken and the scope of work that lies ahead to bring this project to completion.

Achievements and Aspirations
08 June, 2016
Last month saw a changing of the guard at the BTS, with Roger Bridge handing the Chairman’s baton over to Mark Leggett. They spoke to Sally Spencer about achievements thus far and plans for the future

Meeting the challenge
14 March, 2016
A small engineering company in Essex is making a big contribution to Europe’s largest infrastructure project, Crossrail. Sally Spencer Reports.

Eastern expanse
29 October, 2015
Construction for metro projects, with events such as the World Cup on the horizon, is driving the demand for tunnelling Qatar. Other cities in the Middle East are also investing in infrastructure development, growing the market for tunnelling across the region. Keren Falwell reports.

Smooth as silk
26 March, 2014
The Croix Rousse Tunnel rehabilitation and expansion project in Lyon, France had a number of technical considerations to overcome. This article is drawn from material provided by Vinci

Extreme Immersion Design
04 December, 2013
The Second Coen Tunnel must survive severe loadings during the usage phase: 16m of water in the middle of the North Sea Canal and 8m of soil at the banks. The determining design scenarios were the sea transport of two days and possible impact by a sunken ship. This article goes into the general immersed tube principle and the construction and transport phases. The usage phase will be covered in the next article, to be published in an upcoming issue of Tunnels

Qatari coup
23 August, 2013
Qatar is preparing to set new records in tunnelling with 26 tBms simultaneously boring 59km of twin bore tunnels creating the first phase of the vital doha metro. technical journalist Bernadette Ballantyne reports

Harding Prize 2013
19 July, 2013
This year’s BTS Harding Prize was awarded to David Clayton of Morgan Sindall for his paper on the TBM crossing at the Lee Tunnel conection shaft. This is part one of his paper.