Dynamic compaction
Technique
Dynamic compaction Dynamic Compaction is a ground improvement technique that densifies granular materials by using a drop weight and it is applicable to both saturated and unsaturated soils. The…
/expertise/techniques/dynamic-compaction
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
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
Cavity / bulk / mine fill grouting
Technique
Cavity / bulk / mine fill grouting Bulk filling generally uses a cement/pulverised fuel ash (PFA) mix to suit site conditions with compressive strengths in the order of 1.0 N/mm2. The mixes may…
/expertise/techniques/cavity-bulk-mine-fill-grouting
Driven precast piles
Technique
Driven precast piles Driven piles are deep foundation elements installed using impact or vibration hammers to a design depth or resistance. Driven precast piles illustration Common uses Can be used…
/expertise/techniques/driven-precast-piles
Micropiles
Technique
Micropiles Micropiles, also known as minipiles,  are a deep foundation element constructed using high-strength, small-diameter steel casing and/or threaded bars or simply constructed as small…
/expertise/techniques/micropiles
Bored piles
Technique
Bored piles Bored piles are a very effective, state-of-the-art construction element with many applications in foundation and civil engineering. Bored piles illustration Common uses As heavy…
/expertise/techniques/bored-piles
Bored piles / drilled shafts - cased
Technique
Bored piles / drilled shafts - cased Bored piles are a very effective, state-of-the-art construction element with many applications in foundation and civil engineering. Temporary and permeant steel…
/expertise/techniques/bored-piles-drilled-shafts-cased
Secant pile walls
Technique
Secant pile walls A secant pile wall consists of overlapping (secant) piles to form structural or cutoff walls and achieve the required water tightness. The design can incorporate steel bar or beams…
/expertise/techniques/secant-pile-walls
Vibro concrete columns
Technique
Vibro concrete columns This technique involves construction of concrete columns with a bottom-feed, down-hole vibratory probe to transfer loads through weak strata to a firm underlying stratum. Vibro…
/expertise/techniques/vibro-concrete-columns
Industrial
Market
Industrial Keller designs and constructs cost-effective build or design-build geotechnical solutions for the industrial and manufacturing sector. Al Zour Sector challenges we can solve Our effective…
/expertise/markets/industrial
Power
Market
Power Keller has wide experience of providing the energy sector with cost-effective solutions for over 45 years throughout the Middle East. Sumed Egypt Sector challenges we can solve Whether for bio…
/expertise/markets/power
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. Doha Metro…
/expertise/markets/institutional-public
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…
/expertise/solutions/remediation
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
Ground improvement
Solution
Ground improvement 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 or putting in…
/expertise/solutions/ground-improvement
Code of conduct
Content page
Code of conduct We are known and respected for our high standards of fairness, integrity and honesty in our relations with our employees, customers, suppliers, competitors and the community. As this…
/how-we-work/code-conduct
Values
Content page
Values Our values are what we have judged as most important to how we want to work: Employees on site discussing project Integrity We always behave with integrity towards our customers, colleagues…
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Quality
Content page
Quality We ensure that we deliver consistently high performance and continuously improve to meet our customer's needs. 5S in action at Keller We do this by: Making all employees and stakeholders…
/how-we-work/quality
Learning and development
Content page
Learning and development We invest in our people’s professional and personal development and provide a challenging environment for them to exercise their skills. Learning and development Providing…
/careers/learning-and-development