Prestressed concrete square pile with guide grooves

Abstract

The utility model relates to the technical field of concrete square piles, in particular to a prestressed concrete square pile with a guide groove, which comprises concrete square piles, the guide groove is arranged on the side face of each concrete square pile, a breast board is inserted in each guide groove, every two concrete square piles are connected through the breast boards, pile tips are arranged at the bottoms of the concrete square piles, and the pile tips are connected with the guide groove. A steel end plate is further arranged on the top of the concrete square pile, and a plurality of steel sleeve bodies are arranged on the steel end plate. The guide groove is formed in the middle of the side edge of the section of the concrete square pile and used in cooperation with the soil retaining plate, the width of the guide groove is the same as the thickness of the soil retaining plate, and the soil retaining plate is pressed into soil in the direction of the guide groove, so that the soil retaining effect is achieved. The use amount of piles is greatly reduced, and the slope protection cost is reduced. Due to the fact that the square pile is provided with the guide groove, concrete usage amount is reduced, and square pile manufacturing cost is reduced. Meanwhile, after the square pile is provided with the guide groove, the perimeter of the section is increased, the contact area between the pile side and soil is increased, and the vertical bearing capacity of the square column is improved.

Description

Technical Field

[0001] This utility model relates to the field of concrete square pile technology, specifically a prestressed concrete square pile with a guide groove. Background Technology

[0002] Concrete square piles are piles used to reinforce foundations, typically made of concrete, with a square or rectangular cross-section. Their main purpose is to support and reinforce foundations, and they are commonly used in civil engineering fields such as bridges, buildings, and roads. Concrete square piles are widely used in riverbank protection construction. Normally, these piles are densely arranged, one next to another, resulting in a large number of piles and high costs. Furthermore, existing concrete square piles have a short service life, are prone to concrete cracking, and have poor flexural bearing capacity, which also affects the overall service life of the protection piles. Therefore, a prestressed concrete square pile with a guide groove is proposed. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a prestressed concrete square pile with a guide groove, thereby solving the problems mentioned in the background section.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a prestressed concrete square pile with a guide groove, comprising a concrete square pile, a guide groove provided on the side of the concrete square pile, a retaining plate inserted in the guide groove, and a connection between every two concrete square piles via the retaining plate. The bottom of the concrete square pile is provided with a pile tip, and the top of the concrete square pile is also provided with a steel end plate. Several steel sleeves are provided on the steel end plate. Several steel meshes are provided inside the concrete square pile, and prestressed steel bars are threaded through each of the steel meshes. The top of each prestressed steel bar is provided as a prestressed steel bar abutment, and the prestressed steel bar passes through the bottom end of the steel sleeve and is inserted into the concrete square pile.

[0005] As a preferred technical solution of this utility model, the guide grooves on the concrete square pile are evenly distributed on the four sides of the concrete square pile or distributed on the opposite sides of the concrete square pile.

[0006] As a preferred embodiment of this utility model, the angle between the side and bottom of the guide groove is degrees.

[0007] As a preferred embodiment of this utility model, the side of the guide groove is arc-shaped.

[0008] As a preferred embodiment of this utility model, the concrete square pile is rectangular or square.

[0009] As a preferred embodiment of this utility model, the concrete square pile is hollow or solid.

[0010] As a preferred embodiment of this utility model, the length of the guide groove on the concrete square pile is equal to or less than the length of the concrete square pile.

[0011] As a preferred embodiment of this utility model, the concrete square pile is further provided with pile segments evenly arranged on it. The pile segments are integral with the concrete square pile, and the width of the pile segments is greater than the width of the concrete square pile.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model discloses a prestressed concrete square pile with a guide groove. The guide groove is located in the middle of the side of the cross-section and is used in conjunction with a retaining plate. The width of the guide groove is the same as the thickness of the retaining plate. The retaining plate is pressed into the soil along the direction of the guide groove to achieve the soil retention effect. This significantly reduces the amount of piles used and lowers the cost of slope protection. Because the square pile has a guide groove, the amount of concrete used is reduced, thus lowering the cost of the square pile. Simultaneously, the increased perimeter of the cross-section after the guide groove increases the contact area between the pile side and the soil, improving the vertical bearing capacity of the square pile. The prestressed steel reinforcement also enhances the crack resistance of the pile concrete. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of the concrete square pile of this utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure of the concrete square pile of this utility model;

[0016] Figure 3 This is one of the structural schematic diagrams of the guide groove of this utility model;

[0017] Figure 4 This is the second schematic diagram of the guide groove of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the sun-shaped foundation pit of this utility model;

[0019] Figure 6 This is a schematic diagram of the grid-shaped foundation pit of this utility model;

[0020] Figure 7 This is one of the partial structural schematic diagrams of the concrete square pile of this utility model;

[0021] Figure 8 This is the second partial structural schematic diagram of the concrete square pile of this utility model;

[0022] Figure 9 This is a schematic diagram of the concrete square pile structure with variable cross-section according to the present invention;

[0023] Figure 10Schematic diagram of the layout structure of the prestressed steel bars of the present utility model;

[0024] Figure 11 Schematic diagram of the structure of the steel end plate of the present utility model.

[0025] In the figure: 1, concrete square pile; 101, retaining plate; 102, guiding groove; 103, pile tip; 104, pile section; 105, prestressed steel bar; 106, steel mesh; 107, steel sleeve; 108, prestressed steel bar head; 109, steel end plate. Specific embodiments

[0026] The following elaborates on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0027] Embodiment: Please refer to Figure 1-2 , the present utility model provides a technical solution: a prestressed concrete square pile with guiding grooves, including a concrete square pile 1, a guiding groove 102 is arranged on the side of the concrete square pile 1, a retaining plate 101 is inserted into the guiding groove 102, and every two concrete square piles 1 are connected by the retaining plate 101, solving the problem that the existing concrete square piles 1 are closely fitted together, resulting in high costs. A pile tip 103 is arranged at the bottom of the concrete square pile 1 to facilitate the insertion of the concrete square pile 1 into the soil. A steel end plate 109 is also arranged at the top of the concrete square pile 1, and a plurality of steel sleeves 107 are arranged on the steel end plate 109. A plurality of steel meshes 106 are arranged inside the concrete square pile 1, and prestressed steel bars 105 are penetrated through the plurality of steel meshes 106. The top of the prestressed steel bar 105 is formed into a prestressed steel bar head

[0030] 108, and the prestressed steel bar 105 passes through the inner bottom end of the steel sleeve 107 and is inserted into the concrete square pile 1. The service life of the concrete square pile 1 is improved by using the prestressed steel bar 105 and the steel mesh 106. During construction, the steel end plate 109 can play a role in protecting the end of the concrete square pile 1.

[0028] As Figure 5-6 shown, the guiding grooves 102 on the concrete square pile 1 are evenly distributed on the four sides of the concrete square pile 1 or are distributed on the opposite faces of the concrete square pile 1. The concrete square pile 1 and the retaining plate 101 can be combined into a shape like a Chinese character 'Ri' or a Chinese character 'Tian' according to requirements.

[0029] As Figures 3-4 shown, the included angle between the side and the bottom of the guiding groove 102 is 45 degrees or the side of the guiding groove 102 is arc-shaped, and different shapes of the guiding groove 102 are set according to requirements.

[0030] The concrete square pile 1 is rectangular or square; the concrete square pile 1 is hollow or solid, and different-shaped concrete square piles 1 are set according to requirements.

[0031] As Figures 7-8 shown, the length of the guiding groove 102 on the concrete square pile 1 is equal to or less than the length of the concrete square pile 1, and a through-length design or a partial design can be adopted.

[0032] As Figure 9 shown, the pile joints 104 are also evenly arranged on the concrete square pile 1. The pile joints 104 and the concrete square pile 1 are integrated. The width of the pile joints 104 is greater than the width of the concrete square pile 1. In special cases, in order to improve the vertical bearing capacity, a variable cross-section is made along the height direction.

[0033] Working principle: For a prestressed concrete square pile with a guiding groove, guiding grooves 102 with a length less than or equal to the length of the concrete square pile 1 are arranged in the middle of the four sides or the middle of the two opposite sides of the concrete square pile 1. First, construction is carried out on the concrete square pile 1 according to the width of the retaining plate 101, and the concrete square piles 1 are inserted into the soil at the bottom of the river at equal intervals. Then, the retaining plate 101 is inserted into the guiding grooves 102 on the two concrete square piles 1 to complete the connection and installation of the retaining plate 101 and the concrete square pile 1. As Figure 5-6 shown, it can be combined into a shape like a Chinese character 'ri' or 'tian'. Prestressed steel bars 105 are arranged inside the concrete square pile 1, and the top is protected by a steel end plate 109. Before the concrete square pile 1 bears an external load, a compressive stress is applied to it in advance to reduce or offset the tensile stress caused by the load, delay the cracking of the concrete, and improve the service life of the concrete square pile 1.

[0034] The above embodiments only express the implementation modes of the present utility model, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. A prestressed concrete square pile with a guide groove, comprising a concrete square pile (1), characterized in that: The concrete square pile (1) has a guide groove (102) on its side, and a retaining plate (101) is inserted in the guide groove (102). Every two concrete square piles (1) are connected by the retaining plate (101). The bottom of the concrete square pile (1) is provided with a pile tip (103). The top of the concrete square pile (1) is also provided with a steel end plate (109). Several steel sleeves (107) are provided on the steel end plate (109). Several steel meshes (106) are provided inside the concrete square pile (1). Prestressed steel bars (105) are threaded through the steel meshes (106). The top of the prestressed steel bars (105) is provided as a prestressed steel bar abutment (108). The prestressed steel bars (105) are inserted into the concrete square pile (1) through the bottom end of the steel sleeve (107).

2. The prestressed concrete square pile with guide groove according to claim 1, characterized in that: The guide grooves (102) on the concrete square pile (1) are evenly distributed on the four sides of the concrete square pile (1) or distributed on the opposite sides of the concrete square pile (1).

3. The prestressed concrete square pile with guide groove according to claim 2, characterized in that: The guide groove (102) has a 45-degree angle between its side and bottom.

4. The prestressed concrete square pile with guide groove according to claim 2, characterized in that: The side of the guide groove (102) is arc-shaped.

5. The prestressed concrete square pile with guide groove according to claim 2, characterized in that: The concrete square pile (1) is rectangular or square.

6. The prestressed concrete square pile with guide groove according to claim 5, characterized in that: The concrete square pile (1) is hollow or solid.

7. The prestressed concrete square pile with guide groove according to claim 1, characterized in that: The length of the guide groove (102) on the concrete square pile (1) is equal to or less than the length of the concrete square pile (1).

8. The prestressed concrete square pile with guide groove according to claim 1, characterized in that: The concrete square pile (1) is also uniformly provided with pile sections (104), the pile sections (104) are integral with the concrete square pile (1), and the width of the pile section (104) is greater than the width of the concrete square pile (1).

Images