Continuous Flight Auger

by | Nov 5, 2014 | CFA, Techniques

Instal­la­tion process CFA piles are formed by drilling a con­tin­u­ous flight auger into the ground. The sides of the hole are sup­port­ed at all times by the soil-filled auger, elim­i­nat­ing the need for tem­po­rary cas­ing or ben­tonite slur­ry. Upon reach­ing the...