Welcome back to WTC
03 August, 2022
The industry is on a countdown to meeting up again at ITA’s World Tunnelling Congress, held this year in Copenhagen, hosted by the Danish Society for Tunnels and Underground Works (DFTU). T&T offers a first preview
Research to reduce carbon in SCL
03 August, 2022
Research recently complete on low carbon sprayed concrete (LCSC), including work for HS2,is summarised by participants Chris Peaston of Peaston Concrete Consultancy, Chris Goodier, Sergio Cavalaro and Zhi Hu of Loughborough University, Michael Sataya of Arup, Stuart Manning of Shotcrete Services, and John Reddy of Ecocem
Sightline on sustainability
03 August, 2022
Alun Thomas, of All2plan Consulting, looks at ways sustainability could be achieved in tunnelling through innovation, such as permanent sprayed concrete linings (PSCL) and composite shell linings (CSL)
Low Carbon, High Ambition in Paris
03 August, 2022
Grand Paris Express is striding forward for tunnelling into a low carbon future using concrete tunnel segments on Lot 16.1, as described by Benoit de Rivaz of Bekaert
Low carbon for Silvertown
03 August, 2022
Silvertown road tunnel in London will use mostly fibre-reinforced concrete with GGBS for segmental lining, reports Patrick Reynolds
Going green at high-speed
03 August, 2022
Concrete use on UK’s HS2 rail project is speeding advances in construction sustainability. Report by Patrick Reynolds
Jinxiu Yan – Interview
24 June, 2022
The International Tunnelling and Underground Space Association (ITA) is the organisation that represents the tunnelling industry to the world. Its president since 2019 has been Jinxiu Yan. Here she speaks to Julian Champkin about her background, her role and her hopes for the ITA
Keeping hold of the natural balance
24 June, 2022
Careful groundwater management was vital to build Copenhagen’s metro and, elsewhere, dewatering is taking on more tunnelling challenges. Report by Patrick Reynolds
Strategies for dewatering
24 June, 2022
Dr Toby Roberts of WJ Group outlines the various dewatering strategies that are possible for cross passages, connection tunnels, caverns and adits
A new approach to tunneling
24 June, 2022
The complexity, cost and risk of tunnelling can be reduced by introducing radical new methods, writes Patrick Lane-Nott, Director of Engineering at hyperTunnel
Harding prize yields another worthy winner
24 June, 2022
Chris Barrett, a young civil engineer working with BAM Nuttall on Tideway’s Western Section C405 has won the British Tunnelling Society’s Harding Prize 2022 for his paper ‘The Planning and Construction of Main Line Tunnel B Connection Tunnel’ It is reproduced below by kind permission of the author
Update on Metro Projects in Europe and Asia
22 June, 2022
R Pandita and M Rehbock-Sander (both of Amberg Engineering) presented this paper at WTC2020 Malaysia and describe selected aspects of European and Asian metro projects, including geotechnics, construction, safety, ventilation and risk