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Driven precast piles
Technique

Driven piles are deep foundation elements installed using impact or vibration hammers to a design depth or resistance.

/en/expertise/techniques/driven-precast-piles
Ductile iron piles
Technique

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 different wall thickness.

/en/expertise/techniques/ductile-iron-piles
Micropiles
Technique

Micropiles, also known as minipiles, pin piles, needle piles, and root piles, are a deep foundation element constructed using high-strength, small-diameter steel casing and/or threaded bars.

/en/expertise/techniques/micropiles
Bored piles / drilled shafts - open hole
Technique

Bored piles are a very effective, state-of-the-art construction element with many applications in foundation and civil engineering.

/en/expertise/techniques/bored-piles-drilled-shafts-open-hole
Bored piles / drilled shafts - cased
Technique

Bored piles are a very effective, state-of-the-art construction element with many applications in foundation and civil engineering. Temporary and permeant steel casings are used for a number of engineering reasons.

/en/expertise/techniques/bored-piles-drilled-shafts-cased
Secant pile walls
Technique

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 for reinforcement and anchors can provide additional lateral support, if needed.

/en/expertise/techniques/secant-pile-walls
Dynamic replacement
Technique

Dynamic replacement is a variation on dynamic compaction and uses the energy of a falling weight to drive large diameter granular columns into cohesionless soils and fills.

/en/expertise/techniques/dynamic-replacement
INSER piles
Technique

The INSER® pile or screw-in moulded pile is moulded into the ground, inserted using a delivery tool, without soil extraction. It is inserted (without vibration) using a specific auger that penetrates into the ground by a lateral displacement effect of the ground. Unlike the traditional auger…

/en/expertise/techniques/inser-piles
Induction Hydraulique®
Technique

Induction Hydraulique® combines the horizontal vibrations generated by the vibrator and the lateral delivery of the soil to obtain an optimal compaction of the soil. In the case of an insulated substitution block, the lateral discharge of the material compacted by Induction Hydraulique®…

/en/expertise/techniques/induction-hydrauliquer
Third generation piles Type 3
Technique

The 3TER® hollow auger pile is a new generation continuous flight auger pile, operated using a specific work group to ensure a better quality of concreting when the auger train is raised. This improvement is achieved by the action of a rotating telescopic dip tube (TER) at the bottom of the…

/en/expertise/techniques/third-generation-piles-type-3
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