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This paper will provide an overview of the state of the art of the use of fibre reinforced concrete in tunnelling. The major applications for fibres are for the reinforcement of sprayed concrete and pre‐cast concrete segmental linings, but fibre reinforcement is also increasingly used for other applications such as trackbed/trackslab and minor precast concrete elements such as cable ducts, drip shields,...
This paper will focus on the use of fibre reinforced concrete on the Crossrail project in the UK. Crossrail (now named The Elizabeth Line) is a new railway running from West to East under the centre of London. This railway runs for approximately 14 km underground and five of the new stations were constructed with permanent sprayed concrete linings. Fibre reinforced concrete played a prominent role...
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