In situ testing
SCPTU rig
Designing
Technologies
Microblasting
Dynamic replacement
Jet Grouting
Pipe roofing
Vibro-Replacement and Grouted stone columns (VSS)
Vibroflotation
Continuous Flight Auger (CFA) piles
Soil displacement piles
Deep Soil Mixing (DSM)
Slurry walls
Our offer
Used for intermediate founding of buildings and civil engineering structures, as well as for pilings.
Applied to all kinds of soil.
The method consists in forming of a reinforced concrete pile in the ground by drilling and grouting. First, a hole is drilled in the ground by means of a screw auger (continuous flight auger), which displaces the soil laterally. When the design depth is reached the auger is gradually withdrawn while the hole is filled with concrete mixture injected under pressure. This prevents material rarefaction on the side surface of the pile and ensures a better contact of the surface with the surrounding soil. The grouting mixture is fed through a rotary head and the hollow steam of the auger. When the hole is filled the pile reinforcement is vibration driven into it. Continuous monitoring of the auger penetration, pressure and flow of the concrete mixture, auger pullback rate, rotary head speed and mast inclination ensure full control of the quality of formed piles (their continuity and diameter).
The effect
- Piles with standard diameters ranging from 0.4 to 0.8 m and oversized diameters between 1.0 and 1.2 m.
- Pile lengths up to 30 m.
- Medium and high load-bearing capacity.
- Quick construction in comparison to traditional drilled piles.
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