Major civil engineering schemes often involve working below the water table. Controlling or preventing water seepage is vital to allow construction to proceed. Keller has a range of techniques to deploy to provide effective cut-offs and to seal joints and fissures in the ground or below ground structures.
Related techniques
Earth retention
Grouting
Related projects
Institutional/public
National Gallery
The National Gallery in Trafalgar Square, is one of London's most iconic buildings and is a major tourist attraction. It underwent a £41m renovation to coincide with its bicentenary in 2024.
Infrastructure
New Cross shaft
Keller was called in to reduce the permeability of the chalk in a shaft which was to be a starter pit for a new power cable tunnel beneath the River Thames.
Infrastructure
Beckton STW Shaft Construction
Extensive work is being carried out to upgrade London's ageing sewage network.
Infrastructure
Crossrail C300/C410
Crossrail is the largest construction project in Europe. It involves the construction of 42km of twin underground railway tunnels and 10 new stations across 40 construction sites.
Related techniques
Earth retention
Grouting
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