Displacement & Ground Improvement Piling

Over the last 12 years CLL has progressively explored, developed and implemented several ground improvement techniques...
Olivier Piles
An Olivier pile is a patented drilled displacement pile made of concrete or reinforced concrete with a screw-shaped shaft
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Wick Drains
Ground Improvement
Over the last 12 years CLL has progressively explored, developed and implemented several ground improvement techniques. CLL trialled and
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Geopier
RAPS, GRAPs, GP3 RAPs, Geopier came to Christchurch in 2011 with their proprietary patented techniques with the aim of
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Rammed Aggregate Piers (RAP)
A Rammed Aggregate Pier (RAP) is an intermediate foundation system which provides superior support capacity, increased bearing capacity and
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Rigid inclusions
Rigid inclusions are ground improvement elements used to transfer loads through weak compressible soils, to deeper underlying competent soils.
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Displacement Piling and Ground Improvement
Full displacement technology has been developed in Europe. There are several versions for this process, some which partially displace
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Secant Walls
CLL have been constructing secant walls for 12 years. Secant walls are needed under specific conditions where soft saturated
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Compensation grouting
Compensation grouting is a type of repair, a way of lifting a structure. It is an active technique, which
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Permeation grouting
Permeation grouting is a complex technique which can involve the use of various grades of cement with and without
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