Category: Tunnel boring machine
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Video | TBM Elizabeth completes HS2’s final Birmingham tunnel
Jules Arlaud, BBV’s tunnelling director, said: “Today is a historic moment for Balfour Beatty Vinci, as TBM Elizabeth completes her three-and-a-half-mile journey in Washwood Heath. This is BBV’s fourth and final TBM breakthrough, delivered by our expert tunnelling team who’ve worked around the clock over 19 months to arrive at this point. View the original article…
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Video | 3D model shows how HS2 used ‘reception can’ method for TBM breakthrough
A 3D model created using computer-generated imagery software shows how a 2,050-tonne tunnel boring machine (TBM) broke through into an underground reception can. This was then filled with foam concrete and the 4,217th concrete tunnel ring installed to complete the 8km stretch of Northolt Tunnel in London. View the original article and our Inspiration here
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Video | HS2 lifts 850t tunnel boring machine using gantry crane
HS2 has removed a huge tunnel boring machine (TBM) after completing an 8km drive from West Ruislip to Green Park Way, West London. The TBM, named Sushila, weighs 850 tonnes and was lifted in one piece using a 750-tonne gantry crane. Its cuttterhead spans 9.48m in diameter. During its journey from October 2022 until December 2024,…