Excavation support
Solution
Excavation support During construction it is often necessary to form a stable excavation and to ensure that any associated movement will not damage neighbouring structures or utilities.  Keller…
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Marine structures
Solution
Marine structures Keller offers a full range of services for the marine construction market. This includes the design and construction of new ports, jetties and quays as well as the extension and…
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Heave control
Solution
Heave control When wet soils swell and can’t expand downwards or sideways, the soil rises up and exposes the upper surface, effectively the opposite of subsidence. While displacement may be…
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Re-levelling structures
Solution
Re-levelling structures Subsidence, the gradual downward movement of a building or structure, can result in damage to buildings.  Keller can apply re-levelling techniques to bring buildings back to…
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Monitoring
Solution
Monitoring If a construction project needs to monitor structural or ground movement or environmental properties like temperature, noise or vibration, Keller can design and install an instrumentation…
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Remediation
Solution
Remediation At Keller, we offer cost-effective and environmentally-beneficial soil remediation solutions to reduce contaminants to levels which are suitable for use without environmental risks or…
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Slope stabilisation
Solution
Slope stabilisation Slope stabilisation is often required to retain soil in a natural, unstable slope or in man-made excavations. Keller draws on its extensive experience with the full range of…
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Bearing capacity / settlement control
Solution
Bearing capacity / settlement control Soils often need treating to support the weight of a building or to withstand the loads imposed by a piece of infrastructure. This can mean improving the ground…
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Lower carbon solutions
Solution
Lower carbon solutions At Keller, we can offer a number of lower carbon products to help clients reduce the carbon footprint of their projects. We also offer measurement and offsetting. Challenges we…
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Reducing waste and materials
Solution
Reducing waste and materials Some ground improvement techniques, like piling and grouting, create spoil which, as it has to be removed from site, adds to cost. Keller offers innovative solutions to…
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Liquefaction mitigation
Solution
Liquefaction mitigation Liquefaction is a common problem in earthquake-prone areas where soils lose strength due to the ground motion and behave like a viscous liquid, damaging overlying structures.…
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Seepage control
Solution
Seepage control 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…
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Heavy foundations
Solution
Heavy foundations Weak, compressible soils may require structural elements, specifically heavy foundations, that transfer loads through to underlying competent soils or rock.  Whether an open site or…
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Underpinning
Solution
Underpinning Underpinning provides additional support to existing foundations that are unable to safely support existing or future loads. Keller can provide the optimal repair or solution to…
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Containment
Solution
Containment It is often desirable to prevent the migration of contamination in the ground, or to prevent seepage from a dam or levee.  Keller has a wide range of techniques that can be adapted to…
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Mine stabilisation / void filling
Solution
Mine stabilisation / void filling Unstable ground can cause instability both in the temporary and permanent case. We have a range of solutions that can be deployed to strengthen the soils. Keller…
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Sinkhole / Karst stabilisation
Solution
Sinkhole / Karst stabilisation Whether natural or man-made soils sometimes present voids that may create sinkholes. Depending on the situation, and the quality of the soils, various techniques can be…
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Tunnelling
Solution
Tunnelling Tunnelling projects require a variety of solutions to make them safe to construct whilst minimising the impact on the surrounding infrastructure. As well as providing mitigating solutions…
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