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Soil displacement piles

  • US 10,458,090 B2
  • Filed: 11/08/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 02/03/2016
  • Status: Active Grant
First Claim
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1. A soil displacement assembly forming a portion of a pile that is intended to be driven into soil and remain in the soil to support a structural load, the soil displacement assembly comprising:

  • an upper helical plate having a central opening defining an inner edge portion, and an outer edge portion;

    a lower helical plate having a central opening defining an inner edge portion, and an outer edge portion, the lower helical plate being independent of the upper helical plate and spaced a predefined distance from the upper helical plate along a longitudinal axis of the soil displacement assembly such that the upper and lower helical plates do not overlap; and

    at least one curved soil displacement plate having a first edge portion attached to the upper helical plate and a second edge portion attached to the lower helical plate such that a convex surface of the at least one curved soil displacement plate forming a soil contacting surface extends from the inner edge portions of the upper helical plate and the lower helical plate to the outer edge portions of the upper helical plate and the lower helical plate, and is oriented to contact soil when the soil displacement assembly is driven into the soil to displace the soil from the inner edge portions of the upper helical plate and the lower helical plate toward the outer edge portions of the upper helical plate and the lower helical plate so as to create a cavity in the soil.

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