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Bored pile walls

A bored pile wall is a bored screw pile wall produced in situ. For a soil-retaining wall, the piles are installed at 5 to 10 cm intervals.

For a soil- and water-retaining wall, the piles are installed with a casing and overlapping. We can also construct walls using  alternatives like cement-bentonite piles or grout injection columns.Depending on the application, all piles or only the secondary piles are reinforced with a central rod or steel section.The drilling depth, withdrawing rate, concrete pressure and concrete use of each pile are automatically registered during construction of the wall.All data can be presented in diagrams.

Application

Pile walls are used as construction pit walls in locations where vibrations and noise should be avoided. Using this technique, underground car parks and cellars can be constructed in densely populated areas without causing any significant nuisance to the surrounding area. Depending on the situation, pile walls, with the use of special tools on the auger, be constructed even with obstacles in the subsoil. In combination with a secondary wall, pile walls can also be used as fixed (cellar) walls. By constructing the pile wall along the edge of the future construction, it can also be used as a load-bearing element. By constructing the other foundation piles as bored screw piles, they can be made with the same or a second drillrig. This type of construction can also be used for deep excavations because of their large strength and stiffness, as a result of which there are fewer deformations than with traditional sheet piling. Pile walls can be used in all types of soil that occur in the Netherlands.

Ambient factors

  • Must be constructed at least 0.5 metres from an adjacent structure.
  • This clearance is needed for the equipment.
  • Vibration-free and low-noise.
  • Space utilisation can be easily organised.

Pros and Cons

  • This low-noise and vibration-free system can be used to make a buildingpit wall or foundation element.
  • It can be constructed a short distance from adjacent structures.
  • No soil relaxation or soil tensioning with the cased option.
  • Pile walls have an excellent strength to stiffness ratio.
  • Soil must be removed.
  • Final water-retaining properties cannot be guaranteed because of the many interconnections of the piles.

Applicated

Name of  project

Client

Nunspeet, Building pit Nestle GOOPL

Visser & Smit Bouw Regio Noord

Oosterhout, Construction pit MAKZ concrete factory

Van Hattum en Blankevoort

Bergambacht, Embankment reinforcement Bergambacht-Ammerstol-Schoonhoven

Waterauthority Schieland - Krimpenerwaard

Lekkerkerk, Riverbank reinforcement Nederlek

Waterauthority Schieland - Krimpenerwaard

Maastricht, Construction pit Lindenkruis

Hurks Bouwgroep Zuid

Heerlen, Construction pit Maankwartier North and South

Jongen  Bouwbedrijf

Rhenen, Construction pit Centrumplan

Ufkes Apeldoorn

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