Pile foundations for supporting power transmission towers

  • US 10,443,207 B2
  • Filed: 08/02/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 03/28/2014
  • Status: Active Grant
First Claim
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1. A pile foundation for supporting horizontal and vertical loads in substrates susceptible to frost heaving, the pile foundation comprising:

  • a casing pipe;

    an immersed pile comprising a shaft and a toe bulb secured at the bottom of the shaft, positioned in the casing pipe; and

    rigid elements each comprising a generally flat plate directly mounted on the shaft transverse to horizontal forces from transmission lines acting on the pile and configured for transferring the horizontal forces from the pile to the casing pipe, the rigid elements arranged in pairs wherein the rigid elements are fixed on opposite sides of the shaft from one another and in a common plane transverse to the horizontal forces from the transmission lines.

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