Pfahlgründungen
Pfahlgründungen

Pile foundations

Application

With pile foundations, effects from structures are transferred to lower lying soil layers that can bear loads. If required, base and shaft grouting can be carried out in order to increase the bearing capacity. We carry out the following:

  • bored piles according to DIN EN 1536
  • continuous flight auger piles (CFA) according to DIN EN 1536
  • displacement piles according to DIN EN 12699
Function

With these pile foundation types, the pile loads (tensile and compressive forces) are transferred to the load-bearing soil with peak pressure and surface friction, whereby the toe resistance and skin friction  shares vary depending on the pile system. It is also possible the reinforced piles are able to absorb horizontal loads, depending on the pile diameter and the geological situation. Higher horizontal loads can be absorbed by inclined piles (diagonal piles) that are bound together to form "pile support structures".

Advantages

Benefits of pile foundations

  • high load bearing capacities
  • can be variably carried out with regard to the diameter and depth

Information for design and execution

With bored piles and continuous flight auger piles according to DIN EN 1536, the corresponding soil volume is raised by the drilling tool before it is subsequently disposed of. If the raised amount of soil is to be minimised (e.g. in the event of contamination), the use of displacement piles according to DIN EN 12699 is recommended as the soil is not raised, but displaced to the side.