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Soil displacement screw pile with lost tip
Construction sequence
1. Positioning of the tube with lost tip on the ground level.
2. The tube is screwed into the soil using a pull-down force.
3. During screwing in, the soil is horizontally displaced.
4. Once the required installation depth is reached, reinforcement is placed into the steel tube.
5. Casting of concrete through the tube
6. Withdrawal of the tube by means of oscillation. The tip is lost.
7. After concreting, additional head reinforcement can be placed into the freshly poured concrete if required.
8. Completion of the pile and moving the piling rig to the next pile.
Possibility to execute the pile with injection of grout
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Fields of application
Almost all soil profiles including moderately to densely packed layers of sand thanks to increased penetration.
Urban environments and industrial projects
Behaves like a soil displacement pile resulting in the development of high allowable bearing capacities.
Environmental impact
Vibration-free execution
Low-noise execution
Minimal removal of soil
A stable, dry and flat work platform is required
Technical details
Shaft diameters range from 300 to 560 mm
Tip diameters range from 450 to 750 mm (up to 950 mm with conditions)
Length dependent on the piling rig used: up to 35 m
Piles installed to accommodate compression or tension loads.
Maximum bearing capacity up to 3000 kN (in compression)
Inclined piles up to a maximum gradient of 1/3
Possibility to execute the pile with injection of grout
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