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OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs
OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs

OEM CFA Continuous Flight Auger With Rock Head for Pile Foundation Rotary Drilling rigs

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Continuous Flight Auger (CFA) Piling is the quietest form of piling and is a fast and

very economical technique.

CFA piles are constructed by drilling a continuous flight hollow stem auger into the ground to a specified depth. The fact that the hollow stem auger provides support to the excavated shaft at all times during the drilling process precludes the need for temporary casings or drilling fluids.

Once the pile toe level is achieved, a high performance concrete is pumped through the hollow stem to then fill the cavity as the auger is extracted.

At the completion of the concreting, the steel reinforcement cage is installed into the fluid concrete. While initially developed to cater for sites with weak and sandy materials beneath the water table, today CFA piles are a very popular foundation type due to their instrumentation control, low vibration nature and depth/torque capability.












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