Continuous flight auger (CFA) piles are a quick and economical bored pile solution suitable for most ground conditions and construction projects. It is also one of the quietest forms of piling methods which is virtually vibration-free. An ideal solution for projects in urban locations where noise levels need to be kept to a minimum.
WHAT THEY’RE USED FOR
This solution can be used in most ground conditions such as gravel, sand, silts, clay and low strength rock.
Continuous flight auger piles use the replacement technique, commonly known as a bored pile. 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.
WHY USE CFA Piles?
Quick and economical
Wide range of design capacities
Purpose built in-house rigs
Range of auger sizes available
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