Uplift pile

A technology for uplift piles and pile bodies, which is applied in sheet pile walls, buildings, infrastructure engineering and other directions, can solve the problems of complex manufacturing process and need to be further improved in uplift resistance, so as to achieve the effect of improving the uplift resistance.

Inactive Publication Date: 2015-12-09
周兆弟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pullout pile achieves the pullout effect by changing the diameter, but the manufacturing process is complicated, and the diameter change parts are the same, so the pullout performance needs to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, an uplift pile includes a pile body 1, and the pile body 1 is formed by connecting several sections of pile bodies 2 whose cross-sectional areas gradually increase from top to bottom, and every two adjacent pile bodies 2 The connection forms a stepped portion 3 .

[0032] Preferably, the cross section of the pile body 2 is square, H-shaped, triangular, circular, hexagonal or octagonal. The ratio of the cross-sectional area of ​​the pile body 2 at the top of the pile body 1 to the cross-sectional area of ​​the pile body 2 at the bottom of the pile body 1 is 1:4-10. The plane where the surface of the step portion 3 is located is perpendicular to the axis of the pile body 1 . The height of each pile body 2 is the same.

[0033] Preferably, several connecting nuts 4 are fixed at both ends of the pile body 1, and several connecting ribs 5 are arranged in the pile body 1, and the two ends of the connecting ribs 5 are respectively fixedly connecte...

Embodiment 2

[0038] The structure and principle of this embodiment are basically the same as Embodiment 1, the difference is that, as Figure 4 and Figure 11 As shown, the bottom of the connecting nut 4 is provided with a tapered cavity, and the cavity is provided with a tapered snap ring 9 composed of at least two cards 8. The inner wall of the card 8 has a concave-convex structure, and the connecting rib 5 The end is placed in the clasp 9 and clamped by the inner wall of the card 8 . The connecting rib 5 is a steel rod, a steel bar, a chemical profile, a carbon fiber rod, but it is preferably a steel strand, which is convenient to clamp with the snap ring 9.

[0039] The inner wall of the connecting nut 4 above the snap ring 9 has an internal thread, and the bottom of the connecting nut 4 and below the snap ring 9 has a flange ring 10 .

[0040] Such as Figure 6 As shown, when two adjacent pile bodies 1 need to be connected, they are connected through a connecting piece 100 , and th...

Embodiment 3

[0042] The structure and principle of this embodiment are basically the same as Embodiment 2, the difference is that, as Figure 5 As shown, the two ends of the pile body 1 are respectively provided with an end plate 11 fixedly connected with the pile body 1, as Figure 10 As shown, the end plate 11 is provided with a plurality of tapered fastener holes 12, and the tapered fastener holes 12 are provided with a tapered snap ring 9 composed of at least two cards 8, and the inner wall of the card 8 has a concave-convex shape. structure, the end of the connecting rib 5 is placed in the snap ring 9 and is clamped by the inner wall of the card 8.

[0043] When the above-mentioned pile body 1 needs to be connected, such as Figure 7 As shown, two adjacent end plates 11 can be tightened with bolts, and of course the adjacent end plates 11 can also be welded.

[0044] preferred options, such as Figure 9 As shown, the end plate 11 is provided with a connecting hole 13 with a T-shape...

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PUM

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Abstract

The invention belongs to the technical field of buildings and relates to an uplift pile. The uplift pile comprises a pile body which is formed by connecting a plurality of pile main bodies with the sectional areas gradually increased from top to bottom, and a step part is formed on the joint of every two adjacent pile main bodies. According to the uplift pile, on the basis of the principle that the pulling property of the pile bodies is sequentially enhanced from the soil layer superficial position to the deep position, the pile bodies which are gradually increased are arranged to form the step parts, the pulling resistance can be good in each soil layer, and the pulling property is substantially improved.

Description

technical field [0001] The invention belongs to the technical field of construction and relates to an uplift-resistant pile. Background technique [0002] The soil profile is composed of overlapping layers with different morphological characteristics. These layers are roughly horizontal and are called soil origin layers, or soil layers for short. The formation of soil layer is the result of material migration, transformation and accumulation in the process of soil formation. Different soils have different profile structures. The natural soil profile is generally divided into: ① covering layer (indicated by A0); ② leaching layer (A), which is further divided into humus layer (A1), ashing layer (A2), transition layer (A3); ③ sedimentary layer (B); ④ parent material layer (C); ⑤ parent rock layer (D or R). [0003] The existing prefabricated piles are basically equal-section piles, and the friction between the equal-section piles and the surrounding soil is only provided by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/48E02D5/24
Inventor 周兆弟
Owner 周兆弟
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