Wick drains / PVDs and earthquake drains
Technique
Wick drains / PVDs and earthquake drains Wick drains, also known as Prefabricated Vertical Drains (PVD) are prefabricated geotextile filter-wrapped plastic strips with moulded channels. These act as…
/expertise/techniques/wick-drains-pvds-and-earthquake-drains
Rigid inclusions
Technique
Rigid inclusions Rigid inclusions are a ground improvement method using high deformation modulus columns constructed through compressible soils to reduce settlement and increase bearing capacity.…
/expertise/techniques/rigid-inclusions
Dynamic compaction and replacement
Technique
Dynamic compaction and replacement Dynamic compaction involves the controlled impact of a crane hoisted weight, of between typically 10-30 tonnes, falling in a pre-determined grid pattern to improve…
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Rapid Impact Compaction (RIC)
Technique
Rapid Impact Compaction (RIC) Rapid Impact Compaction densifies shallow, granular soils, using a hydraulic hammer, which repeatedly strikes an impact plate on the ground surface. Rapid impact…
/expertise/techniques/rapid-impact-compaction-ric
Rock / fissure grouting
Technique
Rock / fissure grouting Rock grouting is normally done in fissured rock to reduce the flow of water along the joints and discontinuities in the rock. Rock fissure grouting Common uses Reduce…
/expertise/techniques/rock-fissure-grouting
Compaction grouting
Technique
Compaction grouting Low mobility (compaction) grouting involves the injection of a low slump, mortar grout to densify loose, granular soils and stabilise subsurface voids or sinkholes. Compaction…
/expertise/techniques/compaction-grouting
Mine infill or cavity grouting
Technique
Mine infill or cavity grouting Mine or cavity grouting generally uses a low strength cement based grout to fill large natural or man- made voids. Cavity fill grouting Common uses Single or multi-seam…
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Driven precast piles
Technique
Driven precast piles Driven precast piles are deep foundation elements installed using impact or vibration hammers to a design depth or resistance. Keller have developed the design and manufacturing…
/expertise/techniques/driven-precast-piles
Franki piles
Technique
Franki piles Franki Piles, also known as enlarged based driven cast in-situ piles, are cast-in-place elements constructed using a drop weight (hammer) and temporary casing. They can provide high…
/expertise/techniques/franki-piles
Ductile iron piles
Technique
Ductile iron piles Ductile piles are a deep foundation method using the displacement technique with prefabricated piles made of ductile cast iron available in 118 mm and 170 mm diameters with…
/expertise/techniques/ductile-iron-piles
Micropiles
Technique
Micropiles Micropiles, also known as minipiles, are small-diameter drilled piles. Micropiles offer a cost-effective and efficient means to overcome a variety of foundation construction challenges.…
/expertise/techniques/micropiles
Bored piles
Technique
Bored piles Bored piles are high-capacity, cast-in-place elements constructed using a conventional kelly bar and auger system. Whether installed as individual foundation elements, in a pile cap group…
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Cased bored piles
Technique
Cased bored piles Bored piles are an effective product with many applications in foundation and civil engineering. Temporary and permanent steel casings are used for a number of engineering reasons.…
/expertise/techniques/cased-bored-piles
Secant piled walls
Technique
Secant piled walls Secant piled walls are a form of embedded retaining wall and can be designed as cantilevered or propped for greater excavation depths. These techniques form a continuous barrier to…
/expertise/techniques/secant-piled-walls
Industrial
Market
Industrial Keller designs and constructs cost-effective build or design-build geotechnical solutions for the industrial and manufacturing sector. Photo for industrial sector Sector challenges we can…
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Power
Market
Power Keller has wide experience of provide the energy sector with cost-effective solutions to ground problems. Photo from Wilpinjong Mine Sector challenges we can solve Whether for bio, fossil,…
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Institutional / public
Market
Institutional / public Keller can provide solutions for the full range of institutional structures including government and military, education, healthcare, and sports and entertainment. Photo…
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Remediation
Solution
Remediation Increasing land shortage is driving a need to use more brownfield and marginal land often requiring groundwater and soil remediation to reduce contaminants. Keller is the ideal partner…
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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…
/expertise/solutions/slope-stabilisation
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…
/expertise/solutions/bearing-capacity-settlement-control