Auger Cast Piles are a deep foundation element installed by rotating a continuously flighted hollow stem auger into the soil to a specified depth. Concrete or grout is pumped under pressure through the hollow shaft as the auger is slowly withdrawn. Auger rotation is always kept clockwise to promote migration of soil up the auger flight to ensure a continuous uncontaminated concrete or grout column. The resulting concrete or grout column cures and forms an auger cast pile. Reinforcing can be installed while the concrete or grout is still fluid to aid in lateral and tension design forces as required. Augercast pile diameter's range from 12" to 24" (2" increments). Larger elements of 30", 36" and 42" have also been installed.
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