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

Not going viral
23 October, 2020
Many feared the outbreak of Covid-19 would wreak havoc on the tunnelling sector so how has it fared during the coronavirus pandemic? Perhaps not as disastrously as feared. Julian Champkin investigates
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Two-Way Tunnelling in Seoul 23 October, 2020 Great Train Express (GTX) is a proposed high-speed commuter line with shared infrastructure that will connect new towns around the greater Seoul Metropolitan Area with the capital. It is the first project in Korea to use a large-bore TBM. Dr Warren Wangryul Jee, chairman and tunnel project manager of GTS-Korea, reports
Up the junction, round the bend 23 October, 2020 While pushing a preformed portal box through an excavation has been done before, a Network Rail project demands that it be done on a curve – and that hugely increases the complexity. Julian Champkin reports
Extending the Tamoios highway 23 October, 2020 Located mostly in Brazilian rainforest, the Tamoios highway and tunnel project is of critical importance to the Brazilian economy. It was the subject of the BTSYM talk in September given by project director Pedro Soares dos Anjos. Report by Divik Bandopadhyaya of London Bridge Associates
Automation, AI and the future of tunneling 23 October, 2020 Modern, mechanised tunnelling methods have had an enormous economic, environmental and cultural impact globally. To sustain long-term growth in tunnelling operations, industry and academia are researching new technologies to better handle challenging conditions. Among these, automation and artificial intelligence have an essential and promising role in the future of underground construction.
Groundwater control for tunnel cross passages 23 October, 2020 Dr Martin Preene of Preene Groundwater Consulting looks at the construction of cross passages and the various techniques for groundwater control and ground treatment
Silent Sentinels on watch in The Hague 22 September, 2020 Challenging municipal requirements were met using advanced instrumentation to provide accurate geomonitoring of road tunnels in the Netherlands
Innovation in wireless remote condition monitoring 22 September, 2020 Simon Brightwell and Markus Rennen of Senceive explain how wireless remote condition-monitoring can provide early warning of a wide variety of subterranean changes in tunnels and so help drive subsequent data-based decisions
Mexico’s Megatunnel 22 September, 2020 It is the world’s largest sewage project and has faced issues which mega projects of this nature usually face in terms of geology, delivery and budget. But T&T’s Julian Champkin finds that Mexico City’s Emisor Oriente is a triumph nevertheless
Connecting HS2 at Euston 22 September, 2020 Work on the UK’s new HS2 high-speed rail line is on track. Emma Hale and Christoph Eberle of Mott MacDonald describe one of the line’s first underground structures to be built in London
Improving Shotcrete’s Green Credentials 22 September, 2020 Sprayed concrete has been used for many years. Yet like all concrete, it has environmental drawbacks. Julian Champkin spoke with Dr Alun Thomas on ways to improve the carbon footprint of shotcrete tunnels
Tunnelling Under Live Loads 21 September, 2020 Tunnel and Underpass Projects beneath live railroads and highways are among the most sensitive and complicated underground projects in terms of design, construction, monitoring and, most importantly, safety. However, a good number of projects in this category have enough cover (preferably a minimum of a half to one tunnel diameter) to allow conventional tunnelling techniques to be implemented without any major risk to the travelling public.
Building tunnels in the 19th century 21 September, 2020 In June, Peter Harris, Director Tunnels and Civil Engineering COWI UK, gave to an online BTS audience a fascinating and scholarly presentation on how the Victorians built their tunnels. Ivor Thomas reports