Latest from Tunnels and Tunnelling


Snowy 2.0 project reaches new milestone
06 December, 2021 A second tunnel boring machine has been commissioned for Australia’s Snowy 2.0 pumped storage power plant following the conclusion of a special ceremony in the Snowy Mountains attended by the Prime Minister and other politicians.
  • Hudson Tunnel gets green light for construction
    With the US Army Corps Of Engineers having issued the Section 404/10 permit to NJ Transit and Amtrak, the US$12.3bn Hudson Tunnel Project has cleared its final bureaucratic hurdle and is allowed to proceed to full construction.


BTS launches Harding prize for 2022
29 November, 2021 Young tunnel engineers can raise their profile and make their work visible to the civil engineering community by entering the Harding Prize, named after the founder chairman of the Society, Sir Harold Harding
  • Dewatering London
    Dr Toby Roberts, chairman of WJ Group, gave the BTS lecture online in September 2021 on the range of dewatering strategies used to manage groundwater for underground construction in the London Basin. Reported by Mehdi Hosseini of London Bridge Associates
  • Underground in Moscow
    Moscow is constructing new metro lines at a rapid pace to better accommodate the city’s seven million passengers daily who use it. Julian Champkin spoke with Anna Merkulova, engineer and CEO of the Mosproekt-3 group of companies about the expansion programme
  • Low carbon concrete for shaft and tunnel linings
    Low-carbon concretes are a welcome development but should be carefully used as some cases could see longer setting times, slower strength development and even increased embodied carbon, writes Charles Allen of OTB Concrete