Prestressed concrete variable core prefabricated pipe pile

Abstract

The utility model discloses a prestressed concrete variable core prefabricated pipe pile, including pipe pile body, the upper end of pipe pile body is equipped with the connecting groove, the inside of pipe pile body is linked with the connecting groove, just the connecting groove is the circular groove and is coaxial with pipe pile body and sets up, the lower end of pipe pile body is equipped with the connecting pipe, the connecting groove and pipe pile body form the support along of connecting pipe support between, the connecting pipe is coaxial fixed with pipe pile body, and adjacent two pipe pile body are connected through the connecting mechanism. The utility model discloses through the optimization connecting structure and mode, not only has improved the connection firmness and construction efficiency between pipe pile, still has strengthened the stability and security of whole building structure, has the remarkable economic benefits and social benefits.

Description

Technical Field

[0001] This utility model relates to the field of precast concrete variable core pipe pile technology, and in particular to a prestressed concrete variable core pipe pile. Background Technology

[0002] In the field of construction engineering, pipe piles are widely used as an important foundation component in various building structures, such as bridges, high-rise buildings, and industrial plants. Traditional pipe pile connection methods often suffer from problems such as insufficient connection strength, low construction efficiency, and inadequate tensile and shear strength, which to some extent affect the overall stability and safety of the building structure.

[0003] With the continuous development of construction technology, higher requirements have been placed on the performance and connection methods of pipe piles. Prestressed concrete pipe piles, due to their high load-bearing capacity and good durability, have gradually become the mainstream product in the market. However, how to further improve the connection performance of prestressed concrete pipe piles and ensure that the connection between pipe piles is both strong and efficient has become an urgent problem to be solved. Utility Model Content

[0004] The purpose of this utility model is to solve the above-mentioned technical problems by proposing a prestressed concrete variable core precast pipe pile.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A prestressed concrete variable core precast pipe pile includes a pipe pile body, a connecting groove at the upper end of the pipe pile body, the connecting groove being connected to the interior of the pipe pile body, and the connecting groove being a circular groove and coaxially arranged with the pipe pile body; a connecting pipe at the lower end of the pipe pile body, the connecting groove and the pipe pile body forming a support edge for supporting the connecting pipe; the connecting pipe being coaxially fixed with the pipe pile body; and two adjacent pipe pile bodies being connected by a connecting mechanism.

[0007] Preferably, the connecting mechanism includes a plurality of first connecting grooves disposed on the upper end of the pipe pile body, and a plurality of first connecting columns fixed at the lower end of the pipe pile body. When two pipe pile bodies are connected, the connecting pipe is installed in the connecting groove, and the plurality of first connecting columns are located in the plurality of first connecting grooves to realize the connection between the two pipe pile bodies.

[0008] Preferably, the plurality of the first connecting grooves are arranged in a circumferential array at the upper end of the pipe pile body.

[0009] Preferably, the plurality of first connecting columns are concrete columns, the first connecting columns are integrally formed with the pipe pile body, and the first connecting columns are pre-embedded with first tie bars.

[0010] Preferably, the connecting pipe is integrally formed with the pile body, and a second tie rod is pre-embedded inside the connecting pipe and the pile body.

[0011] Preferably, the connecting mechanism includes multiple second connecting grooves disposed at the upper end of the support, and multiple second connecting columns are fixed at the bottom of the connecting pipe. When the connecting pipe is installed in the connecting groove, the second connecting columns are slidably connected in the second connecting groove, thereby realizing the connection of the two pipe pile bodies.

[0012] Preferably, the plurality of second connecting columns are concrete columns, the second connecting columns are integrally formed with the pipe pile body, and a third tie bar is pre-embedded in the second connecting column.

[0013] Preferably, the plurality of the second connecting grooves are arranged in a ring array along the support edge.

[0014] Preferably, the connecting mechanism includes an installation tube fixed to the bottom of the connecting pipe and having the same inner diameter as the connecting pipe. The installation tube is integrally formed with the connecting pipe, and the outer diameter of the installation tube is smaller than the outer diameter of the connecting pipe. A first fixing rib is fixed on the connecting pipe, and a plurality of second fixing ribs are fixed at the upper end of the support edge. When the connecting pipe is installed in the connecting groove, the first fixing ribs and the second fixing ribs are staggered.

[0015] Preferably, the pipe pile body is provided with a first through hole and a second through hole that communicate with the connecting groove. The first through hole is located above the second through hole, and concrete can be injected into the connecting groove through the second through hole.

[0016] Compared with the prior art, the advantages of this utility model are as follows:

[0017] 1. Improved Connection Strength: This utility model achieves a stable connection between pipe piles by setting up connecting grooves, connecting pipes, and specific connecting mechanisms (such as a first connecting groove and a first connecting column, or a second connecting groove and a second connecting column, or an installation pipe, a first fixing bar, and a second fixing bar, etc.). These connecting mechanisms not only ensure the coaxial connection between pipe piles, but also enhance the tensile and shear resistance of the connection through pre-embedded tie bars and staggered fixing bars, thereby improving the strength of the pipe pile connection.

[0018] 2. Improved Construction Efficiency: The pipe pile connection method of this utility model is simple and quick. During construction, simply install the connecting pipe in the connecting groove and insert the corresponding connecting column into the connecting groove to achieve rapid connection between pipe piles. This connection method greatly simplifies the construction process, improves construction efficiency, and reduces construction costs.

[0019] 3. Enhanced overall stability: By injecting concrete into the connecting groove, the first and second fixing bars are firmly secured together, further enhancing the connection strength between the pipe piles. After the concrete hardens, it forms a robust connection layer that effectively resists external loads and deformations, thereby improving the stability and safety of the entire building structure.

[0020] 4. High adaptability: The prestressed concrete variable core precast pipe pile of this utility model can be customized according to actual engineering needs, including flexible adjustment of the pipe pile length, diameter, connection method, etc. This high adaptability allows this utility model to be widely used in various building structures to meet the needs of different projects.

[0021] In summary, by optimizing the connection structure and method, this utility model not only improves the connection strength and construction efficiency between pipe piles, but also enhances the stability and safety of the entire building structure, resulting in significant economic and social benefits. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a prestressed concrete variable core precast pipe pile proposed in Example 1;

[0023] Figure 2 This is a schematic diagram of a prestressed concrete variable core precast pipe pile proposed in Example 2;

[0024] Figure 3 This is a bottom view of a prestressed concrete variable core precast pipe pile proposed in Example 2;

[0025] Figure 4 This is a schematic diagram of a prestressed concrete variable core precast pipe pile proposed in Example 3;

[0026] Figure 5 This is a side view of a prestressed concrete variable core precast pipe pile proposed in Example 3.

[0027] In the figure: 1 Pipe pile body, 2 Connecting groove, 3 First connecting groove, 4 Connecting pipe, 5 First connecting column, 6 Support edge, 7 Second connecting column, 8 First through hole, 9 Second through hole, 10 Second fixing bar, 11 First fixing bar, 12 Installation pipe, 13 Second connecting groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1

[0030] Reference Figure 1A prestressed concrete variable-core precast pipe pile includes a pipe pile body 1. The upper end of the pipe pile body 1 has a connecting groove 2, which communicates with the interior of the pipe pile body 1. The connecting groove 2 is circular and coaxially arranged with the pipe pile body 1 to facilitate coaxial connection between pipe piles. The lower end of the pipe pile body 1 has a connecting pipe 4, which is integrally formed with the pipe pile body 1 to ensure the integrity and strength of the structure. A second tie rod is pre-embedded inside both the connecting pipe 4 and the pipe pile body 1 to enhance the tensile strength of the pipe pile. A support edge 6 is formed between the connecting groove 2 and the pipe pile body 1 to support the connecting pipe 4. The connecting pipe 4 is coaxially fixed with the pipe pile body 1 to ensure stability and accuracy during connection.

[0031] Two adjacent pipe pile bodies 1 are connected by a connecting mechanism. The connecting mechanism includes multiple first connecting grooves 3 set on the upper end of the pipe pile body 1. The multiple first connecting grooves 3 are arranged in a circular array on the upper end of the pipe pile body 1 to facilitate uniform force distribution.

[0032] Multiple first connecting columns 5 are fixed to the lower end of the pipe pile body 1. These first connecting columns 5 are concrete columns, integrally formed with the pipe pile body 1, and each first connecting column 5 contains a pre-embedded tie bar. This ensures the stability between the first connecting columns 5 and the pipe pile body 1 and enhances the tensile strength of the connection. When two pipe pile bodies 1 are connected, the connecting pipe 4 is installed in the connecting groove 2, and the multiple first connecting columns 5 are located in the multiple first connecting grooves 3 to achieve the connection between the two pipe pile bodies 1. After connection, the external joint can be tightened with a hoop to ensure the connection's firmness.

[0033] Example 2

[0034] Reference Figure 2-3 The difference between this embodiment and Embodiment 1 is that the connecting mechanism in this embodiment includes multiple second connecting grooves 13 disposed on the upper end of the support edge 6. These multiple second connecting grooves 13 are arranged in a circular array on the support edge 6 to facilitate cooperation with the second connecting columns 7, achieving a stable connection between the pipe piles. Multiple second connecting columns 7 are fixed to the bottom of the connecting pipe 4. When the connecting pipe 4 is installed in the connecting groove 2, the second connecting columns 7 slide within the second connecting grooves 13, achieving the connection between the two pipe pile bodies 1. The multiple second connecting columns 7 are concrete columns, integrally formed with the pipe pile body 1, and a third tie rod is pre-embedded within the second connecting column 7, thus ensuring the stability of the second connecting column 7 and the connecting pipe 4.

[0035] When connecting two pipe pile bodies 1, the connecting pipe 4 is installed inside the connecting groove 2, then the first connecting column 5 is inserted into the first connecting groove 3, and the second connecting column 7 is inserted into the second connecting groove 13, thus connecting the two pipe pile bodies 1. After connection, the outside of the connection can be tightened with a hoop to ensure the connection is secure.

[0036] Example 3

[0037] Reference Figure 4-5 The difference between this embodiment and embodiments 1 and 2 is that the connecting mechanism in this embodiment includes an installation pipe 12 fixed to the bottom of the connecting pipe 4 and having the same inner diameter as the connecting pipe 4. The installation pipe 12 is integrally formed with the connecting pipe 4 to ensure the integrity of the structure. Furthermore, the outer diameter of the installation pipe 12 is smaller than the outer diameter of the connecting pipe 4 to facilitate installation and positioning. A first fixing rib 11 is fixed on the connecting pipe 4, and multiple second fixing ribs 10 are fixed at the upper end of the support along the 6. When the connecting pipe 4 is installed in the connecting groove 2, the first fixing ribs 11 and the second fixing ribs 10 are staggered to enhance the shear resistance at the connection. A first through hole 8 and a second through hole 9 communicating with the connecting groove 2 are provided through the pipe pile body 1. The first through hole 8 is located above the second through hole 9, allowing concrete to be injected into the connecting groove 2. After the concrete solidifies, it can fasten the first fixing rib 11 and the second fixing rib 10 together, achieving a reliable connection between the two pipe pile bodies 1.

[0038] After installation, concrete is injected into the connecting groove 2 through the second through hole 9 until the concrete flows out through the first through hole 8, ensuring that the connecting groove 2 is filled with concrete. After the concrete has solidified, the outside of the connection can be tightened with clamps to further enhance the stability and reliability of the connection. The outside of the connection can be tightened with clamps to ensure that the connection between the pipe piles is firm and reliable.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A prestressed concrete variable core precast pipe pile, comprising a pipe pile body (1), characterized in that, The upper end of the pipe pile body (1) is provided with a connecting groove (2), which is connected to the interior of the pipe pile body (1). The connecting groove (2) is a circular groove and is coaxially arranged with the pipe pile body (1). The lower end of the pipe pile body (1) is provided with a connecting pipe (4). A support edge (6) for supporting the connecting pipe (4) is formed between the connecting groove (2) and the pipe pile body (1). The connecting pipe (4) is fixed coaxially with the pipe pile body (1). Two adjacent pipe pile bodies (1) are connected by a connecting mechanism.

2. The prestressed concrete variable core precast pipe pile according to claim 1, characterized in that, The connection mechanism includes multiple first connecting grooves (3) set on the upper end of the pipe pile body (1), and multiple first connecting columns (5) fixed at the lower end of the pipe pile body (1). When two pipe pile bodies (1) are connected, the connecting pipe (4) is installed in the connecting groove (2), and the multiple first connecting columns (5) are located in the multiple first connecting grooves (3) to realize the connection of the two pipe pile bodies (1).

3. A prestressed concrete variable core precast pipe pile according to claim 2, characterized in that, Multiple first connecting grooves (3) are arranged in a circular array at the upper end of the pipe pile body (1).

4. A prestressed concrete variable core precast pipe pile according to claim 2, characterized in that, Multiple first connecting columns (5) are concrete columns. The first connecting column (5) is integrally formed with the pipe pile body (1), and a first tie bar is pre-embedded in the first connecting column (5).

5. A prestressed concrete variable core precast pipe pile according to claim 1, characterized in that, The connecting pipe (4) is integrally formed with the pile body (1), and a second tie rod is pre-embedded inside the connecting pipe (4) and the pile body (1).

6. A prestressed concrete variable core precast pipe pile according to claim 1, characterized in that, The connecting mechanism includes multiple second connecting grooves (13) set at the upper end of the support (6), and multiple second connecting columns (7) are fixed at the bottom of the connecting pipe (4). When the connecting pipe (4) is installed in the connecting groove (2), the second connecting columns (7) are slidably connected in the second connecting groove (13) to realize the connection of the two pipe pile bodies (1).

7. A prestressed concrete variable core precast pipe pile according to claim 6, characterized in that, Multiple second connecting columns (7) are concrete columns. The second connecting columns (7) are integrally formed with the pipe pile body (1), and a third tie bar is pre-embedded in the second connecting columns (7).

8. A prestressed concrete variable core precast pipe pile according to claim 6, characterized in that, Multiple second connecting grooves (13) are arranged in a ring array along the support edge (6).

9. A prestressed concrete variable core precast pipe pile according to claim 1, characterized in that, The connecting mechanism includes an installation tube (12) fixed at the bottom of the connecting tube (4) and having the same inner diameter as the connecting tube (4). The installation tube (12) is integrally formed with the connecting tube (4), and the outer diameter of the installation tube (12) is smaller than the outer diameter of the connecting tube (4). A first fixing rib (11) is fixed on the connecting tube (4), and a plurality of second fixing ribs (10) are fixed at the upper end of the support (6). When the connecting tube (4) is installed in the connecting groove (2), the first fixing rib (11) and the second fixing ribs (10) are staggered.

10. A prestressed concrete variable core precast pipe pile according to claim 9, characterized in that, The pipe pile body (1) is provided with a first through hole (8) and a second through hole (9) that communicate with the connecting groove (2). The first through hole (8) is located above the second through hole (9), and concrete can be injected into the connecting groove (2) through the second through hole (9).

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