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Development of Pore Water Pressure in the Vicinity of SCL Tunnels in London Clay – Liverpool Street Station

Accurate ground water monitoring is vital during tunnel excavation in soft soils, not only for the stability of the excavation itself, but also for...

In-tunnel depressurisation for SCL tunnels at Whitechapel and Liverpool Street stations

The platform and pedestrian tunnels for the Crossrail Stations at Whitechapel and Liverpool Street have been constructed using Sprayed Concrete Lin...

Tunnelling out of a drift filled hollow under Moorgate

A suspected and previously unknown Drift Filled Hollow (DFH) was tentatively identified during the site investigation works for the Crossrail proje...