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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

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

First trains through delft
24 May, 2016
The construction of a four-track railway tunnel in Delft in the Netherlands has reached an important milestone. From March 2015, trains have been running on two tracks through the tunnel and station. The 2.3km-long tunnel runs through the historical city center and replaces a fly-over, which caused major nuisance due to noise and vibrations. This article addresses a brief history and description of the project, some main design risks (safety, vibrations, pressure waves, building damage control), the geological and geohydrological conditions and the construction methods

To market
06 November, 2014
The Mexican government is working with the private sector to boost infrastructure development across all sectors. Investment in rail infrastructure over the next four years will further expand the market for tunnelling work in Mexico. Although companies in the US and Canada have already been supplying projects to construct the capital’s metro and sewer system among other development.

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

Speeding freight under Antwerp docks
21 July, 2011
In the highest value current construction project in Belgium an international public-private-partnership (PPP) consortium is building an important rail link to the west of Antwerp to handle the booming freight traffic to and from the port. The work includes tunnelling under waterways in tricky, soft-ground conditions and utilising an existing, but unused tunnel. Maurice Jones reports from Antwerp