Features
Our editorial board comprises a specialist group of leading industry figures who, in conjunction with the TUNNELS editorial team, identify the main drivers of the industry helping to produce regular, thought provoking opinion pieces on the latest issues, challenges and developments.Latest Tunnels Feature
Panos Spyridis, engineer and professor of fastening and assembly technologies at the Technical University of Dortmund, Germany, clarifies various aspects of the design, specification and...
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Delivering Selina
Shannon O’Keeffe, Senior Tunnel Agent for Costain Engineering looks at the complex logistics that were initiated to ensure the successful delivery of a TBM to a Thameside site for the boring of Tideway (Eastern Section)
Florence and Cecilia set off
HS2 is the largest transport infrastructure project in Europe. Julian Champkin had a lightening tour of the Chiltern Tunnel portal to see the first of the ten TBMs that will work on the project’s 51km twin-tunnels
Factory for Fehmarn
Main construction has started at Fehmarn for the world’s longest immersed tube tunnel. Report by Patrick Reynolds
All-In-One Survey Solution Drives Efficiencies, Accuracies During Construction
Like others in the infrastructure construction space, tunnel contractors are under increasing pressure to deliver projects faster to meet the needs of growing communities. History has shown that speed, accuracy and above all safety in these highly complex endeavors can only be achieved with help from technology, for both surveyors and contractors.
Groundwater control for tunnelling projects
Dr Martin Preene discusses the various dewatering techniques that are available for tunnels and shafts where uncontrolled groundwater ingress could cause disruption and increase costs
Seeing the invisible
Dr Andrius Rimsa, Loxus Consulting and Mikko Simola of Loxus 3D Tunnel inspections discuss the inspection and maintenance of flooded rock tunnels using ROVs with 3D sonar
Forensic delay analysis for dispute resolution
Dimitrios Tousiakis, delay expert and Director of HKA Dubai, looks at applying Linear Scheduling Methodology tools to simplify forensic delay analysis for dispute resolution
Crossing the roads
The Hampton Roads Bridge-Tunnel expansion scheme will bring new life to the most congested route in Virginia. Julian Champkin reports
A tunnel for mining
At the British Tunnelling Society’s monthly talk in February, Craig Sewell and Jason Fawcett, both of Strabag, presented the North Yorkshire Polyhalite Project Mineral Transport System. Andrew Hindmarch was the rapporteur
Geothermal energy from safe rock zones
Writing for the Swiss Federal Office of Energy, Dr Benedikt Vogel looks at recent research aimed at enabling better and more efficient methods of extracting geothermal energy
Mining for success
This issue contains the proceedings of the BTS online talk on the Anglo American Woodsmith mine in North Yorkshire, England. As well as producing a valuable fertiliser (polyhalite), the project is also an impressive application of tunnelling in a ‘mining’ setting.
Defying the quakes
Reconstructing an existing dam and building new intakes, outtakes and spillway form part of an ambitious 10-year programme in the drought-hit and earthquake-prone Santa Clara Valley, California. George Demetri reports
