Pile driving

We implement piling with our equipment and with the most suitable method.

The methods used include, for instance, excavation piles, CFA piles, large-diameter bored piles and different combinations of these. We use large-diameter piles in retaining wall structures and pile foundations.

We have been awarded the GeoTeko award in 2021 for the Jokeri Light Rail´s Viikinkaari impact pile driving.

YIT machines

Impact pile driving

In impact pile driving, the pile is driven into the ground by hitting the pile with a pile hammer, by means of vibration or by pushing the pile into the ground. The piles are driven until a dense soil layer or the rock surface. Impact piles are either reinforced concrete or steel pipe piles. Impact pile driving is a traditional, widely used piling method as it is a fast and certain method for soft and clayey areas and where the soil composition varies. Piling can be done without problems also in the winter when the soil is frozen. Steady, stationary foundation is the basis of sustainable construction.

Bored pile construction

Bored piles are steel pipes installed into the ground by means of boring. If necessary, concrete may be cast into the pipe and rebar used. The piles are mainly bored until the rock and, if necessary, they may be extended by means of welding or thread insert joints. Bored piles may be steel pipe piles, steel core piles or CSG piles.

Bored pile construction is particularly suitable when there are hard-to-penetrate fillings at the construction site, there are large point loads in the structures, the rock surface is heavily sloping, the piles must reach a certain level of penetration, the surrounding structures are sensitive to vibration, good positional accuracy is required and the piles are subject to tension (anchored bored piles).

We have a comprehensive fleet suitable for all types of bored pile driving ranging from the reinforcement of foundations to large-diameter piling.

Reinforced concrete piles

  • The piles are able to carry loads immediately after installation
  • The piles may be extended
  • No sinking
  • High load-bearing capacity
  • Penetration to the rock can be ensured using rock shoes

Steel pipe piles

  • Concrete is cast into the pipe using rebars
  • Small and large-diameter steel pipe piles
  • Can be extended by means of welding
  • Takes tensile strengths as well

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Please describe your matter in detail. You can also contact us directly at infra@yit.fi.

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