Pile foundations for supporting power transmission towers
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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Abstract
Pile foundations for power transmission towers or the like for installation in different types of soil prone to frost heaving include a casing pipe and a dipped pile, comprising a shaft and a toe bulb, secured at the bottom of the shaft. The pile comprises rigid elements that are mounted on the shaft in the direction of horizontal forces acting on the pile against the anticipated horizontal loads. The rigid elements transfer horizontal forces from the pile to the casing pipe.
29 Citations
19 Claims
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1. A pile foundation for supporting horizontal and vertical loads in substrates susceptible to frost heaving, the pile foundation comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification