Latest from Tunnels and Tunnelling
The following article by Bob Ibell, founder and director of London Bridge Associates, is based on a past Harding Lecture and has been updated by the author in celebration of the BTS 50th AnniversaryRead more
Researchers may have come up with a technique that could have far-reaching consequences for the extraction of metals from deep underground – and with minimal environmental impact.
NSW planning Australia’s longest road tunnel
Australia’s state government of New South Wales (NSW) is looking at constructing the country’s longest road tunnel to run under the Blue Mountains between Lithgow and Katoomba.
Implenia to build world’s deepest metro station
Swiss construction company Implenia has signed a contract with Stockholm Region for the construction of a new subway station and associated tunnels at Sofia in the Swedish capital. The order is worth around US$85m.
BTS-Warwick soft-ground CPD course is online 15-17 June
Knowledge and concepts required by engineers to undertake tunnel design in soft ground are key areas covered by a new online CPD course devised by the British Tunnelling Society (BTS) and Warwick University.
Final breakthrough on Copenhagen M4 line
The final tunnelling breakthrough on the construction of Copenhagen’s M4 Sydhavn metro extension occurred recently when TBM Olivia holed through at Havneholmen station.
Martin Knights FREng, former ITA President, compares the functions and fortunes over the past 50-odd years of the British Tunnelling Society and the International Tunnelling Association
Tunnel vision or visual twins
Barry Bassnett, founder of Astrea and Richpix, describes a new, relatively straightforward method of capturing asset condition using photographs without the need to resort to point clouds
A most ambitious conservation project
Detractors of the Stonehenge Tunnel might be surprised to see it defended by a pillar of the conservation community. But Prof Tim Darvill argues that the tunnel is a well-researched tool of conservation using state-of-the-art approaches
Bernice Alaniz, Gretchen Baisa and Ronak Naik of VTA and John Caulfield VTA consultant discuss the proposed extension to California’s Bay Area Rapid Transit (BART) regional rail system
AI and Machine Learning
Best use of artificial intelligence in tunnels will need data strategies plus experienced oversight, writes Patrick Reynolds