Latest from Tunnels and Tunnelling
Keeping hold of the natural balance
Careful groundwater management was vital to build Copenhagen’s metro and, elsewhere, dewatering is taking on more tunnelling challenges. Report by Patrick Reynolds.
Read more
Strategies for dewatering
Dr Toby Roberts of WJ Group outlines the various dewatering strategies that are possible for cross passages, connection tunnels, caverns and adits.
Read more
A new approach to tunneling
The complexity, cost and risk of tunnelling can be reduced by introducing radical new methods, writes Patrick Lane-Nott, Director of Engineering at hyperTunnel.
Read moreLATEST NEWS
National High-Speed Rail Corporation Ltd (NHSRCL) is inviting bids for the construction of a 21km tunnel, including India’s first undersea tunnel, for the Mumbai-Ahmedabad bullet train project.
-
HS2 TBM cutterhead transported to start second bore
The giant cutterhead for HS2’s Long Itchington Wood Tunnel TBM has been transported back to its starting point, ready for its second bore.
-
Seattle TBM breakdown not covered by insurance
Insurance companies do not have to reimburse Washington State for its costs during the two years the new Highway 99 tunnel was delayed because of the TBM’s breakdown during construction, the Washington State Supreme Court has ruled.
-
Tunnelling starts under NZ harbour
Tunnelling under Auckland’s Manukau Harbour has commenced for the city’s Central Interceptor wastewater system.
-
Ferrovial and Vinci JV preferred bidders for Ontario line
A consortium led by Ferrovial Construction and Vinci Construction Grands Projets has been selected to build the stations and tunnels for the southern section of a new rapid transit line in Toronto.
LATEST FEATURES
Prof Arnold Dix has just been elected as new ITA President. Shortly beforehand, in T&T’s preview of WTC 2022, he described his proposed plans to accelerate a practical mission on sustainability in tunnelling – to include moves on procurement, contract conditions and metrics.
-
Kate Cooksey Interview
Kate Cooksey has completed one of the most unusual and challenges periods for any chair of the BTS. With much success achieved despite the trying times, she talks about the journey with Julian Champkin
-
‘Mrs Vera’ ventures forth
Robbins’ TBM ‘Mrs Vera’ was launched earlier this year to complete a tunnelling challenge in karstic limestone below St Louis, Missouri
-
Refurb rules in NY
Safety upgrade work has been completed on the Hugh L Carey and Queens Midtown tunnels in New York
-
Sound signals improve road tunnel evacuation
Norwegian researchers undertook sound signal studies to improve evacuation safety in road tunnels. Abridged report of paper by Tronstad, T.V., Jenssen, G.D., Moscoco, C., Södersten, C, of SINTEF, and Zaikonnikov, E. of Norphonic AS
