Prestressed concrete pipe pile with reinforcing structure

By setting up a crack-resistant structure on the outside of the stirrups of the prestressed concrete pipe pile, the problem of poor crack resistance in the prior art is solved, and the crack resistance and service life of the pipe pile are significantly improved.

CN222632222UActive Publication Date: 2025-03-18FUJIAN DALI NEW BUILDING MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202420608638.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-03-18
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

The existing prestressed concrete pipe piles with reinforced structures have poor crack resistance, resulting in a short service life.

Method used

A crack-resistant structure is provided on the outside of the stirrups of the pipe pile assembly, including a crack-resistant cloth, a first fixed steel bar and a second fixed steel bar. By these structures, the crack-resistant cloth is fixed to the outside of the stirrups to increase the tensile strength and stiffness of the concrete.

Benefits of technology

By setting up a crack-resistant structure, the crack-resistant performance of prestressed concrete pipe piles is improved, the service life is extended, and the applicability of the structure is improved.

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Abstract

The utility model relates to the technical field of prestressed concrete pipe piles, and provides a prestressed concrete pipe pile with a reinforcing structure, which comprises a pipe pile component, the pipe pile component comprises a first end plate, a pile body, a second end plate, prestressed steel bars, stirrups and through holes, the pile body is fixed at the top end of the first end plate, and the second end plate is fixed at the top end of the pile body. A second end plate is fixed to the top end of the pile body. The anti-crack structure is arranged, the anti-crack cloth is wrapped on the outer side of the stirrup, the first fixing steel bar and the second fixing steel bar are wound on the outer side of the anti-crack cloth, the anti-crack cloth is fixed on the outer side of the stirrup through the first fixing steel bar and the second fixing steel bar, the anti-crack cloth is actually carbon fiber cloth, and under the action of the anti-crack cloth, the anti-crack cloth is fixed on the outer side of the stirrup. According to the prestressed concrete pipe pile with the reinforcing structure, the tensile strength and rigidity of concrete can be improved, the anti-cracking performance of the concrete is improved, the reinforcing and anti-cracking functions of the device are achieved, and therefore the service life of the prestressed concrete pipe pile with the reinforcing structure in the using process is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of prestressed concrete pipe piles, in particular to a prestressed concrete pipe pile with a reinforcement structure. Background Art

[0002] Prestressed concrete pipe pile is a tubular slender member driven into the soil with a cross-sectional size much smaller than its length. It can better adapt to various soft geological conditions and load conditions, and has the characteristics of large bearing capacity, good stability, and small settlement value. In order to improve the quality of soil pipe piles, a prestressed concrete pipe pile with a reinforced structure is used;

[0003] To this end, the patent with publication number CN216586516U discloses a prestressed concrete pipe pile with a reinforcement structure, including a pipe pile body, a through hole is opened in the middle of the interior of the pipe pile body, an inner layer body is arranged on the outside of the through hole, and connecting parts are installed on both sides of the pipe pile body. The prestressed concrete pipe pile with a reinforcement structure is provided with a pipe pile body, an inner layer body, a reinforcement plate, a support plate and a limit clamp. When in use, a double-layer reinforcement structure is formed between the pipe pile body and the inner layer body, and a reinforcement plate is installed between the pipe pile body and the inner layer body through the limit clamp. The reinforcement plates are evenly distributed on the inner side of the pipe pile body, which enhances the overall structural strength. When hit by foreign objects, the external force will be evenly dispersed at the pipe pile body, which is not easy to cause damage. The reinforcement plates are supported by support plates to ensure the stability of the structure and improve the use effect. The problem of not having a reinforcement structure and affecting the service life is solved.

[0004] The prestressed concrete pipe piles with reinforcement structure mentioned above are evenly distributed on the inner side of the pipe pile body through the reinforcement plate when in use, which enhances the overall structural strength. However, it is not convenient to resist cracking while reinforcing, resulting in poor crack resistance and a short service life when in use. Utility Model Content

[0005] The utility model aims to provide a prestressed concrete pipe pile with a reinforcement structure, so as to solve the defect that the existing prestressed concrete pipe pile with a reinforcement structure has poor crack resistance.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a prestressed concrete pipe pile with a reinforcement structure, comprising a pipe pile assembly;

[0007] The pipe pile assembly comprises a first end plate, a pile body, a second end plate, prestressed steel bars, stirrups and through holes, the pile body is fixed to the top of the first end plate, the second end plate is fixed to the top of the pile body, a positioning structure is installed at the bottom of the first end plate, and a through hole is arranged inside the pile body;

[0008] Prestressed steel bars are evenly fixed inside the pile body outside the through hole, and stirrups are fixed outside the prestressed steel bars;

[0009] The outer side of the stirrups is evenly provided with an anti-cracking structure, wherein the anti-cracking structure comprises an anti-cracking cloth, a first fixed steel bar and a second fixed steel bar, and the anti-cracking cloth is provided on the outer side of the stirrups.

[0010] When the device is used, the anti-cracking structure is provided to achieve the functions of the device being easy to reinforce and anti-cracking, thereby improving the service life of the prestressed concrete pipe pile with the reinforcement structure when in use; and the positioning structure is provided to achieve the function of the device being easy to position, thereby improving the applicability of the prestressed concrete pipe pile with the reinforcement structure when in use.

[0011] Preferably, the top end of the prestressed steel bar is fixedly connected to the bottom end of the second end plate, and the bottom end of the prestressed steel bar is fixedly connected to the top end of the first end plate.

[0012] Preferably, the prestressed steel bars are distributed at equal intervals inside the pile body, and the stirrups are designed to be spirally arranged outside the prestressed steel bars.

[0013] Preferably, the positioning structure includes a pile tip, a fixing plate and fixing bolts, the fixing plate is arranged at the bottom end of the first end plate, the pile tip is fixed to the bottom end of the fixing plate, and fixing bolts are uniformly penetrated inside the fixing plate. The fixing plate is moved to the bottom end of the first end plate, and the fixing plate is fixedly connected to the first end plate under the action of the fixing bolts.

[0014] Preferably, the bottom end of the pile tip is designed to be arc-shaped, and the fixing plate is fixedly connected to the first end plate by fixing bolts. Under the action of the fixing plate, when the pile body is buried in the soil, it is used to guide the pile body to sink, and at the same time, the deformation of the pile body can be reduced.

[0015] Preferably, a first fixing steel bar is arranged on the outer side of the top of the anti-cracking cloth, and a second fixing steel bar is arranged on the outer side of the bottom of the anti-cracking cloth. The anti-cracking cloth is wrapped on the outer side of the stirrups, and the first fixing steel bar and the second fixing steel bar are wound on the outer side of the anti-cracking cloth, and the anti-cracking cloth is fixed on the outer side of the stirrups by the first fixing steel bar and the second fixing steel bar.

[0016] Preferably, the anti-cracking cloth is actually a carbon fiber cloth, and the anti-cracking cloth is fixed to the stirrups by the first fixed steel bar and the second fixed steel bar. The anti-cracking cloth is actually a carbon fiber cloth, and under the action of the anti-cracking cloth, the tensile strength and rigidity of the concrete can be increased, and the anti-cracking performance of the concrete can be improved.

[0017] The utility model provides a prestressed concrete pipe pile with a reinforced structure, which has the advantages of:

[0018] By providing an anti-cracking structure, the anti-cracking cloth is wrapped around the outside of the stirrups, the first fixed steel bar and the second fixed steel bar are wound around the outside of the anti-cracking cloth, and the anti-cracking cloth is fixed to the outside of the stirrups by the first fixed steel bar and the second fixed steel bar. The anti-cracking cloth is actually a carbon fiber cloth. Under the action of the anti-cracking cloth, the tensile strength and rigidity of the concrete can be increased, and the anti-cracking performance of the concrete can be improved, so that the device realizes the functions of facilitating reinforcement and anti-cracking, thereby increasing the service life of the prestressed concrete pipe pile with a reinforcement structure when in use;

[0019] By providing a positioning structure, the fixing plate is moved to the bottom end of the first end plate, and under the action of the fixing bolts, the fixing plate is fixedly connected to the first end plate. Under the action of the fixing plate, when the pile body is buried in the soil, it is used to guide the pile body to sink, and at the same time, the deformation of the pile body can be reduced, thereby realizing the function of facilitating positioning of the device, thereby improving the applicability of the prestressed concrete pipe pile with a reinforced structure when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the main cross-sectional structure of the anti-cracking structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the positioning structure of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. Pipe pile assembly; 101. First end plate; 102. Pile body; 103. Second end plate; 104. Prestressed steel bar; 105. Hoop reinforcement; 106. Through hole; 2. Positioning structure; 201. Pile tip; 202. Fixing plate; 203. Fixing bolt; 3. Anti-crack structure; 301. Anti-crack cloth; 302. First fixing steel bar; 303. Second fixing steel bar. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 The utility model provides a prestressed concrete pipe pile with a reinforcement structure, including a pipe pile assembly 1, the pipe pile assembly 1 includes a first end plate 101, a pile body 102, a second end plate 103, prestressed steel bars 104, stirrups 105 and through holes 106, the top of the first end plate 101 is fixed with the pile body 102, the top of the pile body 102 is fixed with the second end plate 103, the bottom end of the first end plate 101 is installed with a positioning structure 2, the positioning structure 2 includes a pile tip 201, a fixing plate 202 and fixing bolts 203, the fixing plate 202 is arranged at the bottom end of the first end plate 101, the bottom end of the fixing plate 202 is fixed with the pile tip 201, the fixing bolts 203 are evenly penetrated inside the fixing plate 202, the bottom end of the pile tip 201 is designed in an arc shape, and the fixing plate 202 is fixedly connected to the first end plate 101 by the fixing bolts 203.

[0028] Reference Figure 2 and Figure 5 As shown, the fixing plate 202 is moved to the bottom end of the first end plate 101, and the fixing bolts 203 are used to fix the fixing plate 202 to the first end plate 101. The fixing plate 202 can guide the pile body 102 to sink when the pile body 102 is buried in the soil, and at the same time, the deformation of the pile body 102 can be reduced.

[0029] The pile body 102 is provided with a through hole 106, and the prestressed steel bar 104 is evenly fixed to the inside of the pile body 102 outside the through hole 106. The outside of the prestressed steel bar 104 is fixed with a stirrup 105, and the outside of the stirrup 105 is evenly provided with an anti-crack structure 3, which includes an anti-crack cloth 301, a first fixed steel bar 302 and a second fixed steel bar 303. The anti-crack cloth 301 is provided on the outside of the stirrup 105, and the first fixed steel bar 302 is provided on the outside of the top of the anti-crack cloth 301. A second fixed steel bar 303 is arranged on the outside, and the anti-cracking cloth 301 is actually a carbon fiber cloth. The anti-cracking cloth 301 is fixed to each other with the stirrups 105 through the first fixed steel bar 302 and the second fixed steel bar 303. The top of the prestressed steel bar 104 is fixedly connected to the bottom end of the second end plate 103, and the bottom end of the prestressed steel bar 104 is fixedly connected to the top of the first end plate 101. The prestressed steel bars 104 are distributed at equal intervals inside the pile body 102, and the stirrups 105 are spirally designed on the outside of the prestressed steel bars 104.

[0030] Reference Figure 3 and Figure 4As shown, the anti-cracking cloth 301 is wrapped around the outside of the stirrup 105, and the first fixed steel bar 302 and the second fixed steel bar 303 are wound around the outside of the anti-cracking cloth 301. The anti-cracking cloth 301 is fixed to the outside of the stirrup 105 by the first fixed steel bar 302 and the second fixed steel bar 303. The anti-cracking cloth 301 is actually a carbon fiber cloth. Under the action of the anti-cracking cloth 301, the tensile strength and stiffness of the concrete can be increased, and the anti-cracking performance of the concrete can be improved.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A prestressed concrete pipe pile with a reinforced structure, comprising a pipe pile assembly (1); Features: The pipe pile assembly (1) comprises a first end plate (101), a pile body (102), a second end plate (103), prestressed steel bars (104), stirrups (105) and a through hole (106); the pile body (102) is fixed to the top of the first end plate (101); the second end plate (103) is fixed to the top of the pile body (102); a positioning structure (2) is installed at the bottom of the first end plate (101); and the pile body (102) is provided with a through hole (106); Prestressed steel bars (104) are evenly fixed inside the pile body (102) outside the through hole (106), and stirrups (105) are fixed outside the prestressed steel bars (104); The outer side of the stirrup (105) is evenly provided with an anti-crack structure (3), the anti-crack structure (3) comprising an anti-crack cloth (301), a first fixed steel bar (302) and a second fixed steel bar (303), and the anti-crack cloth (301) is arranged on the outer side of the stirrup (105).

2. The prestressed concrete pipe pile with a reinforced structure according to claim 1, characterized in that: The top end of the prestressed steel bar (104) is fixedly connected to the bottom end of the second end plate (103), and the bottom end of the prestressed steel bar (104) is fixedly connected to the top end of the first end plate (101).

3. The prestressed concrete pipe pile with a reinforced structure according to claim 1, characterized in that: The prestressed steel bars (104) are distributed at equal intervals inside the pile body (102), and the stirrups (105) are designed in a spiral shape outside the prestressed steel bars (104).

4. The prestressed concrete pipe pile with a reinforced structure according to claim 1, characterized in that: The positioning structure (2) comprises a pile tip (201), a fixing plate (202) and fixing bolts (203); the fixing plate (202) is arranged at the bottom end of the first end plate (101); the pile tip (201) is fixed to the bottom end of the fixing plate (202); and the fixing bolts (203) are uniformly passed through the interior of the fixing plate (202).

5. The prestressed concrete pipe pile with a reinforced structure according to claim 4, characterized in that: The bottom end of the pile tip (201) is designed to be arc-shaped, and the fixing plate (202) is fixedly connected to the first end plate (101) via fixing bolts (203).

6. The prestressed concrete pipe pile with a reinforced structure according to claim 1, characterized in that: A first fixing steel bar (302) is arranged on the outer side of the top of the anti-cracking cloth (301), and a second fixing steel bar (303) is arranged on the outer side of the bottom of the anti-cracking cloth (301).

7. The prestressed concrete pipe pile with a reinforced structure according to claim 6, characterized in that: The anti-cracking cloth (301) is actually a carbon fiber cloth, and the anti-cracking cloth (301) is fixed to the stirrups (105) via the first fixing steel bar (302) and the second fixing steel bar (303).

Citation Information

Patent Citations

  • Prestressed concrete pipe pile with reinforcing structure

    CN216586516U