CN212926058U

CN212926058U - Prestressed pipe pile

Info

Publication number: CN212926058U
Application number: CN202021761831.8U
Authority: CN
Inventors: 王少锋; 杜原会; 董孝武; 张长青; 于建军
Original assignee: Weihai Nanhai Qide Assembly Construction Technology Co ltd
Current assignee: Weihai Nanhai Qide Assembly Construction Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-09
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a prestressed pipe pile, which belongs to the technical field of construction, and the technical proposal is characterized in that the prestressed pipe pile comprises a pipe pile main body, the upper end surface of a lower end plate is fixedly connected with a plurality of uniformly distributed first reinforcing steel bars, the middle parts of the plurality of first reinforcing steel bars are provided with a plurality of uniformly distributed second reinforcing steel bars, the outer side wall of the plurality of first reinforcing steel bars is fixedly connected with a plurality of uniformly distributed fixed stirrups, one side of the plurality of second reinforcing steel bars opposite to each other is fixedly connected with a plurality of uniformly distributed connecting steel rings, the adjacent two sides of the plurality of first reinforcing steel bars are fixedly connected with second reinforcing stirrups, two sides of the plurality of second reinforcing steel bars are fixedly connected with two diagonally distributed first reinforcing stirrups, the second reinforcing stirrups and the first reinforcing stirrups form a plurality of triangles in the middle part of the pipe pile main body, the connecting strength and the stability of the reinforcing steel bars in the pipe pile main body are, prevent that deformation and fracture from appearing in the tubular pile main part, improved the security of construction operation.

Description

Prestressed pipe pile

Technical Field

The utility model relates to a building technical field, in particular to stress tube stake in advance.

Background

The prestressed pipe pile is a prefabricated engineering pile, mainly used for pile foundation engineering to improve the bearing capacity of foundation and foundation, and can transfer the building load of upper portion to the soil layer with strong deep bearing capacity, or can squeeze the soft soil layer tightly to raise the bearing capacity and compactness of foundation soil.

But current prestressing force tubular pile forms through a plurality of reinforcing bars and concrete setting, and the inside pile body simple structure of tubular pile makes the bearing capacity of tubular pile reduce, and the tubular pile bears gravity for a long time, and the tubular pile takes place deformation and fracture easily, has reduced the security performance of construction operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prestressed pipe pile aims at solving current prestressed pipe pile and solidifies through a plurality of reinforcing bars and concrete and form, and the inside pile body simple structure of tubular pile makes the bearing capacity of tubular pile reduce, and the tubular pile bears gravity for a long time, and the tubular pile takes place deformation and fracture easily, has reduced the security performance's of construction operation problem.

The utility model discloses a realize like this, the stress tube stake in advance, including the tubular pile main part, the upper and lower both ends difference fixedly connected with upper end plate and the lower end plate of tubular pile main part, the first reinforcing bar of a plurality of evenly distributed of up end fixedly connected with of lower end plate, the middle part of a plurality of first reinforcing bars is provided with a plurality of evenly distributed's second reinforcing bar, a plurality of evenly distributed's of lateral wall fixedly connected with fixed stirrup of a plurality of first reinforcing bars, a plurality of second reinforcing bar relative one side fixedly connected with a plurality of evenly distributed's connection steel ring, the first reinforcement stirrup of equal fixedly connected with second between a plurality of first reinforcing bar two liang of neighbors, two first reinforcement stirrups of the equal fixedly connected with in both sides of a plurality of second reinforcing bars diagonal distribution, the other end of first reinforcement stirrup and the lateral wall fixed connection of first reinforcing bar.

In order to reduce the phenomenon that the tubular pile main part removed, make the performance and the security performance of tubular pile main part improve, conduct the utility model discloses a prestressing force tubular pile is preferred, and the lower terminal surface area of tubular pile main part is less than the up end area of tubular pile main part, and the shape of tubular pile main part is "round platform" form.

In order to facilitate the joint strength of strengthening tubular pile body exterior structure, as the utility model discloses a prestressing force tubular pile is preferred, and the connecting reinforcement of a plurality of evenly distributed of the equal fixedly connected with in one side of connecting the steel ring is kept away from to a plurality of first reinforcing bars.

In order to improve the corrosion resistance of prestressed pipe pile, conduct the utility model discloses a prestressed pipe pile is preferred, and the anticorrosive coating has all been paintd to the lateral wall of upper end plate and lower end plate.

In order to conveniently connect adjacent tubular pile main part at the upper and lower both ends of tubular pile main part, conduct the utility model discloses a prestressing force tubular pile is preferred, the upper end of upper end plate and lower end plate all runs through with the lower extreme seted up with first reinforcing bar and second reinforcing bar assorted connecting hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. according to the prestressed tubular pile, the upper end face of the lower end plate is fixedly connected with the first reinforcing steel bars and the second reinforcing steel bars which are uniformly distributed, so that the prestress of the tubular pile main body is further enhanced, and the phenomena of deformation and fracture of the tubular pile main body are reduced; the outer side walls of the first steel bars are fixedly connected with a plurality of fixed stirrups, the fixed stirrups are convenient for assisting in fixing the first steel bars and preventing the first steel bars from deforming reversely, the middle parts of the second steel bars are fixedly connected with a plurality of connecting steel rings, and the connecting steel rings are convenient for assisting in reinforcing the supporting strength of the second steel bars; at a plurality of second reinforcing bar and the lateral wall fixed connection of first reinforcing bar and first reinforcing stirrup, the hoop is strengthened to the second and first reinforcing stirrup forms a plurality of triangles at tubular pile main part middle part, further strengthens the joint strength and the steadiness ability of the inside reinforcing bar of tubular pile main part, makes the bearing capacity of tubular pile main part strengthen, prevents that deformation and fracture from appearing in the tubular pile main part, has improved the security of construction operation.

2. According to the prestressed tubular pile, the tubular pile main body is designed to be in a circular truncated cone shape, so that the bearing capacity of the tubular pile main body is further improved, when the tubular pile main body is inserted underground, the transverse diameter area of the upper end of the tubular pile main body is larger than that of the lower end of the tubular pile main body, the phenomenon that the tubular pile main body moves is further reduced, and the service performance and the safety performance of the tubular pile main body are improved.

3. This prestressing force tubular pile, at a plurality of evenly distributed's of lateral wall fixedly connected with connecting reinforcement of first reinforcing bar, connecting reinforcement and concrete mix and solidify, are convenient for strengthen the joint strength of tubular pile body exterior structure, and simultaneously, connecting reinforcement is along with the increase of tubular pile main part external diameter, and connecting reinforcement's length increases equally, and connecting reinforcement length is less than 3cm than the length of the connecting reinforcement of top down, makes the difficult fracture of tubular pile main part.

Drawings

Fig. 1 is a schematic view of the overall structure of the prestressed pipe pile of the present invention;

fig. 2 is a schematic view of the internal structure of the tubular pile main body of the present invention;

fig. 3 is a sectional view of the main body of the pipe pile of the present invention;

fig. 4 is a schematic structural view of the first reinforcing bar of the present invention;

fig. 5 is a schematic structural view of the second reinforcing bar of the present invention.

The symbols in the figures indicate:

1. a tubular pile main body; 2. an upper end plate; 3. a lower end plate; 301. a first reinforcing bar; 302. a second reinforcing bar; 303. fixing the stirrup; 304. a first reinforcement stirrup; 305. a second reinforcement stirrup; 306. connecting reinforcing steel bars; 307. and connecting a steel ring.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The terms used in the utility model are conventional terms in the industry if no special provisions are made.

Referring to fig. 1-5, the present invention provides a technical solution: prestressed pipe pile, including tubular pile main part 1, tubular pile main part 1's upper and lower both ends difference fixedly connected with upper end plate 2 and lower end plate 3, a plurality of evenly distributed's of up end fixedly connected with first reinforcing bar 301 of lower end plate 3, a plurality of first reinforcing bar 301's middle part is provided with a plurality of evenly distributed's second reinforcing bar 302. The outer side wall fixedly connected with fixed stirrups 303 of a plurality of evenly distributed of a plurality of first reinforcing bars 301, the connection steel ring 307 of a plurality of evenly distributed of a plurality of second reinforcing bars 302 relative one side fixedly connected with, stirrup 305 is strengthened to the equal fixedly connected with second between a plurality of two liang of neighbours of first reinforcing bar 301, the first reinforcement stirrup 304 of two diagonal distributions of the equal fixedly connected with in both sides of a plurality of second reinforcing bars 302, the other end of first reinforcement stirrup 304 and the outer side wall fixed connection of first reinforcing bar 301.

In this embodiment: through the first reinforcing bar 301 and the second reinforcing bar 302 of a plurality of evenly distributed of up end fixedly connected with at lower end plate 3, further strengthen the prestressing force of tubular pile main part 1, reduce tubular pile main part 1 and take place deformation and fracture phenomenon. At a plurality of fixed stirrups 303 of a plurality of first reinforcing bars 301's lateral wall fixed connection, fixed stirrups 303 is convenient for supplementary fixed first reinforcing bar 301, prevents that first reinforcing bar 301 is positive deformation. A plurality of connection steel rings 307 of middle part fixedly connected with at a plurality of second reinforcing bars 302, connect the steel ring 307 and be convenient for supplementary support intensity of strengthening second reinforcing bar 302, at a plurality of second reinforcing bar 302 and first reinforcing bar 301's lateral wall fixed connection reinforcement stirrup 305 and first reinforcement stirrup 304, second reinforcement stirrup 305 and first reinforcement stirrup 304 form a plurality of triangles at tubular pile main part 1 middle part, further strengthen the joint strength and the steadiness of the inside reinforcing bar of tubular pile main part 1, make the bearing capacity of tubular pile main part 1 strengthen, prevent that deformation and fracture from appearing in tubular pile main part 1, the security of construction operation has been improved.

As a technical optimization scheme of the utility model, the lower extreme area of tubular pile main part 1 is less than the up end area of tubular pile main part 1, and the shape of tubular pile main part 1 is "round platform" form.

In this embodiment: the bearing capacity of the tubular pile main body 1 is further improved by designing the tubular pile main body 1 into a circular truncated cone shape, and when the tubular pile main body 1 is inserted underground, the transverse diameter area of the upper end of the tubular pile main body 1 is larger than that of the lower end of the tubular pile main body 1, so that the phenomenon that the tubular pile main body 1 moves is reduced, and the service performance and the safety performance of the tubular pile main body 1 are improved.

As a technical optimization scheme of the utility model, a plurality of first reinforcing bars 301 are kept away from the connecting reinforcement 306 of a plurality of evenly distributed of the equal fixedly connected with in one side of connecting steel ring 307.

In this embodiment: at a plurality of evenly distributed's of lateral wall fixedly connected with connecting reinforcement 306 of first reinforcing bar 301, connecting reinforcement 306 mixes with the concrete and solidifies, is convenient for strengthen the joint strength of tubular pile body exterior structure. Meanwhile, the length of the connecting steel bars 306 is also increased along with the increase of the outer diameter of the tubular pile main body 1 of the connecting steel bars 306, and the length of the lower connecting steel bars 306 is less than 3cm than that of the upper connecting steel bars 306, so that the tubular pile main body 1 is not easy to break.

As a technical optimization scheme of the utility model, the anticorrosive coating has all been smeared to the lateral wall of up end plate 2 and lower end plate 3.

In this embodiment: the outer side walls of the upper end plate 2 and the lower end plate 3 are coated with anticorrosive coatings which are anticorrosive composite glue, so that the corrosion phenomenon of the upper end plate 2 and the lower end plate 3 in a long-time use process is prevented, and the corrosion resistance of the prestressed pipe pile is greatly improved.

As a technical optimization scheme of the utility model, the upper end and the lower extreme of upper end plate 2 and lower end plate 3 all run through and offered with first reinforcing bar 301 and second reinforcing bar 302 assorted connecting hole.

In this embodiment: set up through all running through with first reinforcing bar 301 and second reinforcing bar 302 assorted connecting hole in the upper end of upper end plate 2 and lower end plate 3 with the lower extreme, and then through the connecting hole of upper end plate 2 and lower end plate 3 top, conveniently connect adjacent tubular pile main part 1 at tubular pile main part 1's upper and lower both ends.

The utility model discloses a theory of operation does: first, the upper end face of the lower end plate 3 is fixedly connected with a plurality of first reinforcing steel bars 301 and second reinforcing steel bars 302 which are uniformly distributed, so that the prestress of the tubular pile main body 1 is further enhanced, and the phenomena of deformation and fracture of the tubular pile main body 1 are reduced. The outer side walls of the first steel bars 301 are fixedly connected with a plurality of fixed stirrups 303, and the fixed stirrups 303 are convenient for assisting in fixing the first steel bars 301 and prevent the first steel bars 301 from being deformed reversely; a plurality of connecting steel rings 307 are fixedly connected to the middle portions of the second steel bars 302, and the connecting steel rings 307 are convenient for assisting in reinforcing the supporting strength of the second steel bars 302. At a plurality of second reinforcement stirrup 305 of second reinforcing bar 302 and the lateral wall fixed connection of first reinforcing bar 301 and first reinforcement stirrup 304, second reinforcement stirrup 305 and first reinforcement stirrup 304 form a plurality of triangles at tubular pile main part 1 middle part, further strengthen the joint strength and the steadiness ability of the inside reinforcing bar of tubular pile main part 1, make the bearing capacity of tubular pile main part 1 strengthen, prevent that deformation and fracture from appearing in tubular pile main part 1, the security of construction operation has been improved.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. Prestressed pipe pile, including tubular pile main part (1), its characterized in that: the upper end and the lower end of the tubular pile main body (1) are respectively and fixedly connected with an upper end plate (2) and a lower end plate (3), the upper end face of the lower end plate (3) is fixedly connected with a plurality of first reinforcing steel bars (301) which are uniformly distributed, the middle parts of the first reinforcing steel bars (301) are provided with a plurality of second reinforcing steel bars (302) which are uniformly distributed, the outer side wall of each first reinforcing steel bar (301) is fixedly connected with a plurality of fixing stirrups (303) which are uniformly distributed, one side, opposite to the second reinforcing steel bars (302), of each second reinforcing steel bar (307) is fixedly connected, a second reinforcing stirrup (305) is fixedly connected between every two adjacent first reinforcing steel bars (301), two first reinforcing stirrups (304) which are diagonally distributed are fixedly connected to two sides of each second reinforcing steel bar (302), the other end of the first reinforcement stirrup (304) is fixedly connected with the outer side wall of the first reinforcing steel bar (301).

2. The pre-stressed pipe pile of claim 1, wherein: the area of the lower end of the tubular pile main body (1) is smaller than that of the upper end face of the tubular pile main body (1), and the tubular pile main body (1) is in a circular truncated cone shape.

3. The pre-stressed pipe pile of claim 1, wherein: one side of the first steel bars (301) far away from the connecting steel ring (307) is fixedly connected with a plurality of uniformly distributed connecting steel bars (306).

4. The pre-stressed pipe pile of claim 1, wherein: and the outer side walls of the upper end plate (2) and the lower end plate (3) are coated with anticorrosive coatings.

5. The pre-stressed pipe pile of claim 1, wherein: the upper end and the lower end of the upper end plate (2) and the lower end plate (3) are both penetrated through and provided with connecting holes matched with the first reinforcing steel bars (301) and the second reinforcing steel bars (302).