Tag: TBMs
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In pictures | HS2 lifts 880t tunnel boring machine after 5km journey
Photos released by HS2 show how contractors lifted a giant tunnel boring machine (TBM) using a gantry on Saturday (26 July) following the completion of its 5.5km journey across west London. The TBM was lifted using a gantry crane (Image: HS2) The 880-tonne TBM with a 9.11m diameter cutterhead excavated 775,000 tonnes of London Clay…