CN210341897U - Novel prefabricated tubular pile structure - Google Patents
Novel prefabricated tubular pile structure Download PDFInfo
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- CN210341897U CN210341897U CN201920675634.5U CN201920675634U CN210341897U CN 210341897 U CN210341897 U CN 210341897U CN 201920675634 U CN201920675634 U CN 201920675634U CN 210341897 U CN210341897 U CN 210341897U
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- precast tubular
- slip casting
- pile structure
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Abstract
The utility model provides a novel precast tubular pile structure, including precast tubular pile, precast tubular pile includes concrete body and reinforcement body, reinforcement body includes cylindric body and edge the side rib that body circumference distributes, the side rib is constituteed and is followed body axial extension's slip casting pipe passageway, be equipped with high-pressure slip casting pipe in the slip casting pipe passageway, be equipped with the slip casting body between precast tubular pile and the soft soil layer. The structure has high grouting efficiency and stable and reliable pile forming structure quality.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a novel precast tubular pile structure.
Background
The pile foundation is a common method for reinforcing a composite foundation, and can be divided into a precast pile and a cast-in-place pile according to a manufacturing method. The precast tubular pile is a kind of precast pile, and is a hollow cylinder, and the concrete and reinforcing bar quantity is much less than that of solid pile of the same specification, and the intensity is little different, and pile body penetrating power is extremely strong, is able to bear beating, has overcome weak points such as bored concrete pile construction speed is slow, the quality control degree of difficulty is big. In order to improve the stress performance and the bearing capacity of a pile foundation, grouting treatment is carried out on the pile side in some construction sites at present, and how to ensure grouting efficiency and improve the bearing capacity of a pile foundation and grouting is a problem to be considered.
Disclosure of Invention
The invention provides a novel precast tubular pile structure which is high in grouting efficiency and stable and reliable in pile forming structure quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel precast tubular pile structure, includes precast tubular pile, precast tubular pile includes the concrete body and adds the solid, it includes cylindric body and edge to add the solid side rib that body circumference distributes, the side rib is constituteed and is followed body axial extension's slip casting pipe passageway, be equipped with high-pressure slip casting pipe in the slip casting pipe passageway, be equipped with the slip casting body between precast tubular pile and the soft soil layer.
Preferably, the number of the slurry injecting pipe channels is three, and three slurry injecting pipe channels are uniformly arranged around the body.
Preferably, the side ribs have a vertically symmetrical structure.
Preferably, the side ribs are asymmetric.
Preferably, the body is filled with solidified backfill soil.
Preferably, the reinforcing body is provided with water permeable holes, and the concrete pipe body is of a water permeable concrete structure.
Preferably, the water permeable body is filled in the water permeable hole.
Preferably, the lower end of the precast tubular pile is provided with a conical expanding block.
In summary, compared with the prior art, the invention has the advantages that: the grouting channel is adopted to limit and guide the grouting pipe, and the grouting pipe is pulled in the grouting process, so that the grouting efficiency is ensured; the arrangement of the side ribs improves the shear resistance and the bearing capacity of the side ribs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a top view of the structure of the present invention.
The reference numbers in the figures are as follows:
1. the concrete pipe comprises a prefabricated pipe pile, 11 concrete pipes, 111 conical expansion blocks, 12 reinforcing bodies, 121 bodies, 122 side ribs, 123 grouting pipe channels, 124 water permeable holes, 125 water permeable bodies, 2 high-pressure grouting pipes, 3 grouting bodies and 4 solidified backfill soil.
Detailed Description
The invention will be further elucidated with reference to an embodiment in the drawing.
As shown in fig. 1 to 3, the novel precast tubular pile structure includes precast tubular pile 1, precast tubular pile 1 includes concrete pipe 11 and reinforcing body 12, reinforcing body 12 includes cylindrical body 121 and side rib 122 distributed along body 121 circumference, side rib 122 constitutes grouting pipe channel 123 extending along body 121 axial direction, high-pressure grouting pipe 2 is arranged in grouting pipe channel 123, and grouting body 3 is arranged between precast tubular pile 1 and the soft soil layer. The reinforcing body 12 is made of metal materials, the strength of the precast tubular pile 1 is improved by the reinforcing body 12, the high-pressure grouting pipe 2 extends from the upper end to the lower end of the precast tubular pile 1, and the bearing capacity of the precast tubular pile 1 is improved by interaction of the grouting body 3 and the side ribs 122.
The number of the slurry pipe passages 123 is three, and the three slurry pipe passages 123 are uniformly arranged around the body 121. The side ribs 122 extend circumferentially along the outer side surface of the body 121 and are divided into three parts, an integral mounting hole may be prefabricated between the side ribs 122 adjacent in the circumferential direction of the body 121, the high-pressure grouting pipe 2 may pass through the mounting hole to be restrained, and a pipe clamp may be provided on the side ribs 122 to fix the high-pressure grouting pipe 2. After grouting is finished, after water accumulated in the hollow concrete pipe is drained, the solidified backfill soil 4 is filled and compacted, the bearing capacity of the backfill soil is improved, and meanwhile, the piled soil is recycled.
In one embodiment, the side ribs 122 are symmetrical. The cross-sectional shape may be rectangular or U-shaped or V-shaped. In another embodiment, the side ribs 122 are asymmetric, and the side ribs 122 include a horizontal upper surface and an inclined lower surface, i.e., the cross-sectional shape is a right triangle or a trapezoid.
The reinforcing body 12 is provided with water permeable holes 124, and the concrete pipe 11 is of a water permeable concrete structure. The water permeable holes 124 are provided on the reinforcing body 12 around the reinforcing body 12. The water permeable holes 124 are filled with water permeable bodies 125, the water permeable bodies 125 can be permeable stones, and before grouting, water penetrating into the concrete pipe 11 is pumped by a water pump in the concrete pipe to reduce the hole pressure of the soil around the pile. The lower end of the precast tubular pile 1 is provided with a conical expansion block 111 which is integrated with the concrete pipe body 11 and extrudes mud from the side part when the pile is put down.
The above description is only for explaining the present invention and making the present invention complete, but not limiting the present invention, and the skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, and these are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a novel precast tubular pile structure which characterized in that: including precast tubular pile (1), precast tubular pile (1) includes concrete body (11) and adds solid (12), add solid (12) including cylindric body (121) and follow side rib (122) that body (121) circumference distributes, edge is constituteed in side rib (122) body (121) axially extended's slip casting pipe passageway (123), be equipped with high-pressure slip casting pipe (2) in slip casting pipe passageway (123), be equipped with slip casting body (3) between precast tubular pile (1) and the soft soil layer.
2. The novel precast tubular pile structure of claim 1, characterized in that: the number of the grouting pipe channels (123) is three, and the three grouting pipe channels (123) are uniformly arranged around the body (121).
3. The novel precast tubular pile structure of claim 1, characterized in that: the side ribs (122) are of a vertically symmetrical structure.
4. The novel precast tubular pile structure of claim 1, characterized in that: the side ribs (122) are of asymmetric construction.
5. The novel precast tubular pile structure of claim 1, characterized in that: the body (121) is filled with solidified backfill soil (4).
6. The novel precast tubular pile structure of claim 1, characterized in that: the reinforced body (12) is provided with water permeable holes (124), and the concrete pipe body (11) is of a water permeable concrete structure.
7. The novel precast tubular pile structure of claim 6, characterized in that: and the water permeable body (125) is filled in the water permeable hole (124).
8. The novel precast tubular pile structure of claim 1, characterized in that: the lower end of the precast tubular pile (1) is provided with a conical expansion block (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675634.5U CN210341897U (en) | 2019-05-13 | 2019-05-13 | Novel prefabricated tubular pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675634.5U CN210341897U (en) | 2019-05-13 | 2019-05-13 | Novel prefabricated tubular pile structure |
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| Publication Number | Publication Date |
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| CN210341897U true CN210341897U (en) | 2020-04-17 |
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| CN201920675634.5U Active CN210341897U (en) | 2019-05-13 | 2019-05-13 | Novel prefabricated tubular pile structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519608A (en) * | 2020-04-28 | 2020-08-11 | 中一达建设集团有限公司 | Uplift pile capable of quickly connecting pile |
| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
| CN114411720A (en) * | 2022-01-17 | 2022-04-29 | 哈尔滨工业大学 | Device for reinforcing coordination stress performance of pile soil by pouring cement paste and construction method |
-
2019
- 2019-05-13 CN CN201920675634.5U patent/CN210341897U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519608A (en) * | 2020-04-28 | 2020-08-11 | 中一达建设集团有限公司 | Uplift pile capable of quickly connecting pile |
| CN111519608B (en) * | 2020-04-28 | 2021-08-31 | 中一达建设集团有限公司 | Uplift pile capable of quickly connecting pile |
| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
| CN114411720A (en) * | 2022-01-17 | 2022-04-29 | 哈尔滨工业大学 | Device for reinforcing coordination stress performance of pile soil by pouring cement paste and construction method |
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