HS2 has launched the last of four tunnel boring machines (TBM) to build the Northolt Tunnel. The TBM, called Anne, will bore 3.4 miles from Ealing’s Victoria Road to Greenpark Way in... Read more »
The final section of a £1 billion tunnel has been completed under south London, when a tunnel boring machine (TBM) emerged into the Eltham substation. TBM breakthrough (c) National Grid The 11km... Read more »
The diameter of the TBM measures 11.91m – equivalent of almost three double decker buses – dwarfing other recent tunnelling machines. First machine pieces have begun to arrive on site from maker Herrenknecht’s... Read more »
