Crossrail: “TBM First” Strategy for Lot C300/410 and permanent Shotcrete Lining Support

Driving operations for the Crossrail tunnel
sections with a total length of 42 km were successfully concluded in London in June 2015. Eight tunnel boring machines (TBMs) were used over a period of more than three years. Activities are now focused on furnishing the running tunnels and completing the stations. The following report provides an insight into the western TBM tunnel section (C300), building the Bond Street and Tottenham Court Road underground stations (C410) as well as Farringdon Station (C435). It follows on from the article published in tunnel issue 2/2013.

Project Overview

The BFK joint venture (BAM Nuttall – Ferrovial – Kier) was commissioned to undertake the Crossrail C300/410 project in mid-2010 using a special proposal. This section, shown in blue in Fig. 1, passes through the centre of London from Paddington in the west to the City of London with Farringdon. It undertunnels one of the world’s most expensive residential areas passing under Hyde Park and many extraordinary historic buildings located on Oxford Street.

Towards this end, the purely mechanized Lot C300 (two running tunnels with cross-passages) was combined with Lot C410 Bond...

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