This solution can be used in most ground conditions such as gravel, sand, silts, clay and low strength rock.
Continuous flight auger piles are a non-displacement technique. This means the soil excavated from the ground is brought to the surface and subsequently constructed using concrete/grout.
CFA piles are formed by drilling to the required design depth using a hollow stem continuous flight auger. This produces spoil arising from the bores. After reaching the required depths, concrete is pumped through the hollow stem. A reinforcing cage is then installed in the bore to form the pile.
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