Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 6, 2015
Patent Application Number
13269595
Date Filed
October 9, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed in this specification is a method and apparatus for placing an auger grouted displacement pile or helical pile in soil. The pile has an elongated shaft with at least one lateral compaction protrusion which establishes a regular bore diameter in the supporting medium. The pile also has a helical blade configured to move the pile into the supporting medium. The bottom of the shaft includes means for forming irregularities in the bore diameter after compaction by the lateral compaction protrusion. The bore is filled with grout while leaving the pile in the soil.
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