Reinforced Shotcrete with Bar Diameters up to 32mm

The Crossrail project in London is currently the largest infrastructure project in Europe. The contract C510 comprises the construction of two underground stations in sprayed concrete lining (SCL), Liverpool Street and Whitechapel. Based on the absolute priority of health and safety during all const [...]

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Sub-surface dewatering for an inclined SCL tunnel

The Crossrail station at Liverpool Street, London required the downward construction of a 37m long by 6m diameter inclined ventilation tunnel using sprayed concrete lining (SCL) techniques. The tunnel penetrated into water bearing channel sands present in the Lambeth Group below the London Clay. Thi [...]

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