CN114293547A - Anti-pulling type tubular pile - Google Patents
Anti-pulling type tubular pile Download PDFInfo
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- CN114293547A CN114293547A CN202111573226.7A CN202111573226A CN114293547A CN 114293547 A CN114293547 A CN 114293547A CN 202111573226 A CN202111573226 A CN 202111573226A CN 114293547 A CN114293547 A CN 114293547A
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Abstract
The invention discloses a pulling-resistant tubular pile, which relates to the technical field of engineering construction and comprises a tubular pile body, wherein the upper end of the tubular pile body is provided with an upper thread groove, the lower end of the tubular pile body is provided with a lower thread ring, and the upper thread groove is matched with the lower thread ring; the lower threaded ring is provided with a plurality of grooves, the outer wall or the inner wall of the tubular pile body is provided with a plurality of grouting holes, and the grouting holes are communicated with the grooves. The anti-pulling type tubular pile provided by the invention has the advantages of high connection strength and better anti-pulling and anti-erosion performances.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a pulling-resistant tubular pile.
Background
The PHC tubular pile is widely applied to engineering, particularly to various engineering piles and foundation pit fender piles in coastal soft soil areas. With the expansion of the application field of the PHC pipe pile, the application requirements of the PHC pipe pile are higher and higher.
In areas with high ground water levels, the load of a building structure with a deep basement is often difficult to balance the buoyancy of the ground water, and the building structure floats upwards. At this time, the uplift pile can be installed at the bottom of the building structure, and the uplift bearing capacity of the building structure is formed by the uplift pile by means of soil layer gravity, so as to compensate the balance between the load of the building structure and the buoyancy of underground water.
In the tubular pile installation process, the junction of two adjacent tubular piles produces easily not hard up resistance to plucking performance and reduces to the steelwork of tubular pile junction is corroded easily to moisture among the external environment, influences the result of use of tubular pile.
Therefore, the anti-pulling type tubular pile is high in connection strength and good in anti-pulling and anti-erosion performances.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a pulling-resistant tubular pile.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-pulling tubular pile comprises a tubular pile body, wherein an upper thread groove is formed in the upper end of the tubular pile body, a lower thread ring is arranged at the lower end of the tubular pile body, and the upper thread groove is matched with the lower thread ring; the lower threaded ring is provided with a plurality of grooves, the outer wall or the inner wall of the tubular pile body is provided with a plurality of grouting holes, and the grouting holes are communicated with the grooves.
Furthermore, the first surface of the upper thread groove is provided with a thread groove, the inner wall of the lower thread ring is provided with a thread protrusion, the thread groove is matched with the thread protrusion, and the thickness of the lower thread ring is smaller than the width of the upper thread groove.
Further, the inner wall of the upper thread groove is provided with a thread groove, the inner wall and the outer wall of the lower thread ring are both provided with thread protrusions, the thread groove is matched with the thread protrusions, and the thickness of the lower thread ring is equal to the width of the upper thread groove.
Furthermore, the grouting hole is formed in the upper portion of the middle groove, the outer wall of the tubular pile body is provided with a vent hole, and the vent hole is communicated with the upper thread groove and is located below the upper thread groove.
Furthermore, be provided with annular chamber and thick liquid chamber on the tubular pile body, the annular chamber set up in between groove and the slip casting hole, the thick liquid chamber set up in go up thread groove bottom, and with bleeder vent UNICOM.
Further, the longitudinal section of the slurry cavity is in an I shape or a circular shape.
Compared with the prior art, the invention has the beneficial effects that:
the anti-pulling type tubular pile provided by the invention has the advantages that the anti-pulling type tubular pile is high in connection strength and good in anti-pulling and anti-erosion performances; the annular cavity and the grout cavity are arranged to provide a containing cavity for concrete grout, and the upper grouting pipe pile and the lower grouting pipe pile are matched with the intermediate groove after pouring is finished, so that an integral structure is formed; a cladding structure is formed at the position of the lower threaded ring to wrap the steel lower threaded ring, so that the anti-corrosion capability of the steel lower threaded ring is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic view of an overall structure of a pulling-resistant tubular pile according to the present invention;
FIG. 2 is a schematic structural diagram of an upper thread groove according to the present invention;
fig. 3 is a schematic structural diagram of a lower threaded ring according to the present invention.
In the figure: 1. an upper thread groove; 2. a tubular pile body; 3. grouting holes; 4. a lower threaded ring; 5. a slurry chamber; 6. air holes are formed; 7. an annular cavity; 8. and (4) an intermediate groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a pulling-resistant tubular pile comprises a tubular pile body 2, an upper thread groove 1 is arranged at the upper end of the tubular pile body 2, the upper thread groove 1 is arranged on a concrete tubular pile,
the lower end of the tubular pile body 2 is provided with a lower threaded ring 4, the lower threaded ring 4 is of a steel pipe structure and is embedded at the bottom of the tubular pile body 2 to form an integral structure with the tubular pile body 2;
the lower threaded ring 4 can be mounted at the bottom of the tubular pile body 2 in a welding manner (the end of the tubular pile body 2 is made of steel).
offer groove 8 between a plurality of vertical settings on the lower thread ring 4, groove 8 runs through lower thread ring 4 completely between, a plurality of injected holes 3 have been seted up on 2 outer walls of tubular pile body or the inner wall, injected hole 3 and groove 8 UNICOM between, wherein, injected hole 3 is seted up between groove 8 top, bleeder vent 6 has been seted up to 2 outer walls of tubular pile body, bleeder vent 6 and 1 UNICOM of last thread groove, and be located 1 below of last thread groove, be provided with annular chamber 7 and thick liquid chamber 5 on the tubular pile body 2, annular chamber 7 sets up between groove 8 and injected hole 3, thick liquid chamber 5 sets up in 1 bottom of last thread groove, and with bleeder vent 6 UNICOM.
Concrete grout can be injected into the intermediate groove 8 through the grouting holes 3, the concrete grout is reserved in the annular cavity 7, the intermediate groove 8 and the grout cavity 5 along the grouting holes 3 in sequence, and the grout can be completely filled into the annular cavity 7 and the grout cavity 5 through the arranged air holes 6; during grouting, the lower threaded ring 4 is not completely matched with the upper threaded groove 1 (the bottom of the lower threaded ring 4 is not abutted against the lower end face of the upper threaded groove 1, and the end faces of the upper tubular pile body and the lower tubular pile body 2 are close to but not mutually attached), after concrete grout with a set volume is injected, the top tubular pile body is rotated, so that the lower threaded ring 4 is completely matched with the upper threaded groove 1 (the bottom of the lower threaded ring 4 is abutted against the lower end face of the upper threaded groove 1, and the end faces of the upper tubular pile body and the lower tubular pile body 2 are mutually attached), redundant grout is extruded, and the grouting hole 3 is blocked; after the grouting is finished for a period of time, the annular cavity 7, the intermediate groove 8 and the slurry cavity 5 form an integral structure.
In other embodiments, the formation process of the injection holes 3 and the annular cavity 7 may be: the method is characterized in that a meltable embedded part is arranged, placed at a corresponding position before the tubular pile body 2 is formed, heated and melted after being formed, and then discharged out of the tubular pile body 2 to form a grouting hole 3 and an annular cavity 7 on the tubular pile body 2.
The first matching mode of the lower threaded ring 4 and the upper threaded groove 1 is adopted, the slurry is filled between the outer wall of the lower threaded ring 4 and the outer side surface of the inner wall of the upper threaded groove 1 to form a coating structure, and the steel lower threaded ring 4 is coated to improve the anti-corrosion capability of the steel lower threaded ring 4; by adopting a second matching mode of the lower threaded ring 4 and the upper threaded groove 1, slurry only fills the annular cavity 7, the intermediate groove 8 and the slurry cavity 5, so that the connection strength of the two tubular pile bodies 2 is ensured, and the looseness of the connection part is prevented; and a third matching mode of the lower thread ring 4 and the lower thread groove is adopted, and the slurry fills the gap between the lower thread ring 4 and the upper thread groove 1 so as to ensure the connection strength of the lower thread ring and the upper thread groove, and a concrete layer is attached to the surface of the lower thread groove, so that the anti-corrosion capability of the lower thread groove is improved.
Wherein the serous cavity 5 has an I-shaped or circular longitudinal section.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An anti-pulling tubular pile is characterized by comprising a tubular pile body, wherein an upper thread groove is formed in the upper end of the tubular pile body, a lower thread ring is arranged at the lower end of the tubular pile body, and the upper thread groove is matched with the lower thread ring; the lower threaded ring is provided with a plurality of grooves, the outer wall or the inner wall of the tubular pile body is provided with a plurality of grouting holes, and the grouting holes are communicated with the grooves.
2. The tubular pile of claim 1, wherein the first surface of the upper thread groove is provided with a thread groove, the inner wall of the lower thread ring is provided with a thread protrusion, the thread groove is matched with the thread protrusion, and the thickness of the lower thread ring is smaller than the width of the upper thread groove.
3. The anti-pulling tubular pile according to claim 1, wherein the inner wall of the upper thread groove is provided with a thread groove, the inner wall and the outer wall of the lower thread ring are both provided with a thread protrusion, the thread groove is matched with the thread protrusion, and the thickness of the lower thread ring is equal to the width of the upper thread groove.
4. The anti-pulling tubular pile according to claim 2 or 3, wherein the grouting holes are formed above the intermediate grooves, air holes are formed in the outer wall of the tubular pile body, and the air holes are communicated with the upper thread groove and located below the upper thread groove.
5. The pulling-resistant tubular pile according to claim 3, wherein the tubular pile body is provided with an annular cavity and a slurry cavity, the annular cavity is arranged between the intermediate groove and the grouting hole, and the slurry cavity is arranged at the bottom of the upper thread groove and communicated with the vent hole.
6. The anti-pulling tubular pile according to claim 5, wherein the longitudinal section of the slurry cavity is in an I shape or a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573226.7A CN114293547A (en) | 2021-12-21 | 2021-12-21 | Anti-pulling type tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573226.7A CN114293547A (en) | 2021-12-21 | 2021-12-21 | Anti-pulling type tubular pile |
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| Publication Number | Publication Date |
|---|---|
| CN114293547A true CN114293547A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111573226.7A Pending CN114293547A (en) | 2021-12-21 | 2021-12-21 | Anti-pulling type tubular pile |
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| Country | Link |
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| CN (1) | CN114293547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198729A (en) * | 2022-08-30 | 2022-10-18 | 济南城建集团有限公司 | Blasting umbrella-type steel pipe pile device and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569039A (en) * | 2016-02-25 | 2016-05-11 | 浙江大学城市学院 | Prefabricated tubular pile concave-convex connector and construction method thereof |
| CN106049493A (en) * | 2016-07-28 | 2016-10-26 | 广东省建科建筑设计院有限公司 | Anti-corrosion prefabricated grouting anchor rod for highly corrosive environment |
| KR101852826B1 (en) * | 2017-07-13 | 2018-04-27 | 김용모 | Helical pile of edge extension type |
| CN111236213A (en) * | 2020-01-19 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Precast concrete tubular pile structure |
| KR102128820B1 (en) * | 2019-04-01 | 2020-07-01 | 김기웅 | Coupling apparatus for non-welding of pile |
| CN213596971U (en) * | 2020-09-04 | 2021-07-02 | 广东三和管桩股份有限公司 | Tubular pile connecting device |
-
2021
- 2021-12-21 CN CN202111573226.7A patent/CN114293547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569039A (en) * | 2016-02-25 | 2016-05-11 | 浙江大学城市学院 | Prefabricated tubular pile concave-convex connector and construction method thereof |
| CN106049493A (en) * | 2016-07-28 | 2016-10-26 | 广东省建科建筑设计院有限公司 | Anti-corrosion prefabricated grouting anchor rod for highly corrosive environment |
| KR101852826B1 (en) * | 2017-07-13 | 2018-04-27 | 김용모 | Helical pile of edge extension type |
| KR102128820B1 (en) * | 2019-04-01 | 2020-07-01 | 김기웅 | Coupling apparatus for non-welding of pile |
| CN111236213A (en) * | 2020-01-19 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Precast concrete tubular pile structure |
| CN213596971U (en) * | 2020-09-04 | 2021-07-02 | 广东三和管桩股份有限公司 | Tubular pile connecting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198729A (en) * | 2022-08-30 | 2022-10-18 | 济南城建集团有限公司 | Blasting umbrella-type steel pipe pile device and construction method |
| CN115198729B (en) * | 2022-08-30 | 2024-01-30 | 济南城建集团有限公司 | Explosion type umbrella type steel pipe pile device and construction method |
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