Sheet piling is used if the groundwater horizon is too high at the site of the construction site, if space is limited or if vertical construction pit shoring is necessary due to the situation.
Construction pits must be watertight and low-deformation. For this purpose, steel sheet piles are inserted into the ground at the edge of the excavation pit using the pressing, vibrating or ramming method.
Sheet piling can also be used in difficult soil conditions, such as sand, gravel or cohesive soils. This also makes it possible to form deep excavations in the immediate vicinity of existing buildings.
methods are used for insertion:
Pressing process:
The pressing process is vibration-free and thus the most environmentally friendly process. The noise pollution here is also rather low. A sheet pile press inserts the sheet pile into the ground.
Vibration method:
The vibration method is low-vibration. Using high-frequency vibrators, sheet piles are inserted into the ground.
Pile driving:
If floors are unsuitable for pressing and vibrating methods, the pile driving method is used.
Due to the reusability and quick installation of sheet piling, they are economically very attractive as a form of excavation pit shoring.
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Image: Steel sheet pile - störfix (CC BY-SA 3.0)