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Driven pile
Construction sequence
1. Implantation of the pile and positioning of the tube sealed with a watertight, lost steel bottom plate
2. Top-driving the temporary steel tube into the soil with a hydraulic or Diesel hammer
3. After reaching the required installation depth, driving is stopped and reinforcement is inserted.
4. Filling of the tube with plastic concrete.
In this chart, concreting is done by means of a concrete transfer bucket ('cufa') fixed on the steel tube. Other means may be used.
5. Withdrawal of the steel tube
6. Finished driven cast-in-place pile.
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Fields of application
• High compressive and tensile loads as well as important horizontal loads
• Full displacement of the soil
• Foundations for industrial premises
• Foundations for civil and infrastructure works
Environmental impact
• No spoil because no extraction of soil – no removal of soil from the job site
• A pile driving permit is requested
• Causes hindrance due to vibrations
• Causes noise pollution
• A stable, dry and flat work platform is required
Technical specifications
• Diameters of tubes from 356 up to 609 mm
• Standard length of pile up to 32 m
• Inclined piles with a maximum inclination up to 1:3
• Maximum allowable bearing capacity of 2.275 kN
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