CN213062124U

CN213062124U - Prefabricated uplift pile

Info

Publication number: CN213062124U
Application number: CN202021772069.3U
Authority: CN
Inventors: 许巍巍; 吴亮; 夏炎; 黄筑曦
Original assignee: Suzhou Jinxin Construction Group Co ltd
Current assignee: Suzhou Jinxin Construction Group Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-04-27
Anticipated expiration: 2030-08-22

Abstract

The utility model relates to a technical field of uplift pile especially relates to a prefabricated uplift pile, aims at solving the poor technical problem of prior art cushion cap uplift pile junction fastness, and its technical scheme is: the pile body comprises a plurality of bearing piles which are mutually connected in the vertical direction, a fixed connection bearing platform is arranged on the periphery side of the top of the pile body, a pile groove is formed in the center of the bearing platform, the plurality of bearing piles are arranged in the pile groove in a penetrating mode, a reinforcing assembly is arranged on the top of the pile body and comprises a first concrete cushion layer arranged on the periphery side of the top of the pile body, the reinforcing assembly further comprises a reinforcing column arranged on the top of the pile body, an outer vertical frame reinforcing steel bar layer is arranged on the side wall of the top of the pile groove, and the reinforcing column is arranged in the outer vertical frame reinforcing steel bar layer; outer grudging post reinforcing bar layer top periphery side is provided with the second concrete cushion, and this application has the firm in connection's of improvement uplift pile in the cushion cap junction technological effect.

Description

Prefabricated uplift pile

Technical Field

The application relates to the technical field of uplift piles, in particular to a prefabricated uplift pile.

Background

The uplift pile is widely applied to uplift of large basements, uplift of high-rise buildings, uplift of offshore wharf platforms, anchor pile foundations of suspension bridges and cable-stayed bridges, pile foundations of large ship dock floors, anchor pile foundations in static load test piles and the like. Refers to piles driven to offset the uplift force of water in soil to the structure when the underground structure of the building engineering has a part which is lower than the water level of the surrounding soil.

Inside the ground is driven into to present common hollow uplift pile, the vertical direction setting of uplift pile, consequently the uplift pile receives the buoyancy influence that the uplift pile caused by the water resistance in soil easily, and buoyancy makes the uplift pile upwards atress, and then causes the oppression damage to ground cushion cap department.

With respect to the related art in the above, the inventors consider that there are drawbacks: the uplift pile bears upward buoyancy under the influence of underground buoyancy, so that the firmness of connection between the bearing platform at the top of the uplift pile and the pile body greatly influences the uplift pile.

SUMMERY OF THE UTILITY MODEL

In order to improve the fastness that the counter-pulling pile of cushion cap department was connected, this application provides a prefabricated counter-pulling pile.

The application provides a prefabricated uplift pile adopts following technical scheme:

a prefabricated uplift pile comprises a pile body, wherein the pile body comprises a plurality of bearing piles which are connected with each other in the vertical direction, a fixed connection bearing platform is arranged on the periphery side of the top of the pile body, a pile groove is arranged at the center of the bearing platform, the plurality of bearing piles are arranged in the pile groove in a penetrating manner,

the pile structure comprises a pile body and is characterized in that a reinforcing component is arranged at the top of the pile body, the reinforcing component comprises a first concrete cushion layer arranged on the periphery of the top of the pile body, the reinforcing component also comprises a reinforcing column arranged at the top of the pile body, an outer vertical frame reinforcing steel layer is arranged on the side wall of the top of the pile groove, and the reinforcing column is arranged in the outer vertical frame reinforcing steel layer;

and a second concrete cushion layer is arranged on the periphery of the top of the outer vertical frame steel bar layer.

By adopting the technical scheme, a plurality of bearing shapes are placed in the pile groove, then the first concrete cushion is arranged at the top of the pile body, the first concrete cushion is fixedly and fixedly connected with the top of the pile body, and the area of the top of the pile body is increased by using the first concrete cushion, so that when the uplift pile is subjected to upward buoyancy, the first concrete cushion can reduce the upward buoyancy of the uplift pile at the bottom, and the buoyancy received by the uplift pile can be effectively and uniformly dispersed;

be provided with the reinforcement subassembly at the top of pile body, utilize the setting up of reinforcement subassembly to strengthen the anti ability of floating to bottom uplift pile, be provided with the second concrete cushion at the top of reinforcement subassembly, the second concrete cushion sets up the position of location at first concrete cushion, utilize first concrete cushion and second concrete cushion from bottom to top gradually increase progressively the mode, progressively slow down the ascending buoyancy of secret uplift pile and to the injury that the cushion cap caused, and then improved the fastness of cushion cap and uplift pile junction.

Preferably, a plurality of vertically arranged reinforcing steel bars are arranged in the bearing pile, a preset hole is formed in the central shaft in the bearing pile, and the reinforcing steel bars are uniformly distributed on the periphery of the concrete preset hole;

and an outer ring groove is formed at the joint of the outer periphery of the top of the pile body and the reinforcing component.

Through adopting above-mentioned technical scheme, the setting up of a plurality of reinforcing bars has improved the bulk strength of uplift pile, the effectual buoyancy that has played groundwater and has resisted the uplift pile and cause.

Preferably, the pile groove is internally provided with fixedly connected spiral steel bars.

Through adopting above-mentioned technical scheme, the stake inslot is equipped with the spiral reinforcement and solidifies the back at the concrete, and the spiral reinforcement forms an organic whole with whole pile body, and then improves the continuity of whole pile body in vertical direction for whole pile body anti buoyancy ability is strengthened.

Preferably, be equipped with on the pile body top end face and connect the annular, it is a plurality of the reinforcement reinforcing bar passes from connecting ring tank bottom, it is equipped with fixed connection's the lantern ring to connect the annular endotheca.

Through adopting above-mentioned technical scheme, utilize the setting of connecting the annular for it is more firm that the top position of reinforcing subassembly and pile body is connected, also improves the fastness that reinforcing subassembly is connected to the cushion cap simultaneously, and then slows down the bottom pile body and causes the damage to the cushion cap because buoyancy.

Preferably, be provided with the reinforcement hole of intercommunication preset hole in the reinforcement post, be equipped with the anchor reinforcing bar that corresponds the setting of reinforcement reinforcing bar in the reinforcement post, the anchor reinforcing bar is worn to establish in the reinforcement post and the bottom is connected with the reinforcement reinforcing bar, the reinforcement reinforcing bar passes through the lantern ring and is connected with the anchor reinforcing bar.

Through adopting above-mentioned technical scheme, the pre-arranged hole of strengthening hole and bottom passes through integrated into one piece behind the concrete setting, improves the fastness of back up coat and bottom pile body connection.

Preferably, still be equipped with connecting steel plate in the reinforcement post, connecting steel plate is equipped with a plurality ofly, connecting steel plate and anchor reinforcing bar are connected.

Through adopting above-mentioned technical scheme, will connect the steel sheet and be connected through a plurality of steel wires and anchor reinforcing bar to in week side concrete setting back, improve and consolidate the subassembly fastness, and then when improving the pile body and receiving upwards buoyancy, consolidate the subassembly and to the anti buoyancy of end pile body, and then improved the fastness of consolidating the subassembly and being connected with the cushion cap.

Preferably, a vertical main steel bar is arranged at the central shaft of the pile body.

Through adopting above-mentioned technical scheme, the main reinforcement of the center pin department of pile body utilizes the setting of main reinforcement, improves the continuity of pile body in vertical side, has improved the holistic fastness of pile body simultaneously.

Preferably, the bottom of the pile body is arranged in a conical shape.

Through adopting above-mentioned technical scheme, set up the bottom of pile body into the taper setting, reduce the area of pile body, reduced the atress area of pile body bottom.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the first concrete cushion layer, the reinforcing assembly and the second concrete cushion layer, the movement force of the bottom pile body caused by upward movement of buoyancy is gradually reduced, so that the influence of the buoyancy on the bearing platform is reduced, and the firmness of the bearing platform is improved;

2. through the setting of outer annular groove to with first concrete cushion and outer annular groove position integrated into one piece, and then improve the resistance to plucking ability of pile body.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 2 is a partial structural cross-sectional view of an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of the uplift pile of FIG. 2;

FIG. 4 is a schematic view of a portion of a reinforcement assembly according to an embodiment of the present application;

fig. 5 is a partial cross-sectional view of the reinforcement assembly of fig. 2.

Description of reference numerals: 1. a pile body; 2. carrying and connecting piles; 3. a bearing platform; 4. pile grooves; 5. a reinforcement assembly; 6. a first concrete cushion; 7. reinforcing columns; 8. an outer vertical frame steel bar layer; 9. a second concrete cushion; 10. reinforcing steel bars; 11. presetting a hole; 12. an outer ring groove; 13. spiral reinforcing steel bars; 14. a connecting ring groove; 15. a collar; 16. reinforcing holes; 17. anchoring the reinforcing steel bars; 18. connecting steel plates; 19. and (5) main reinforcing steel bars.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

Example (b):

the embodiment of the application discloses prefabricated uplift pile. Referring to fig. 1, the construction method comprises a pile body 1, wherein the pile body 1 is formed by combining a plurality of bearing piles 2, and gradual construction from the underground to the ground is realized by using the plurality of bearing piles 2. A bearing platform 3 is arranged on the periphery of the top of the pile body 1, and a pile groove 4 for inserting the pile body 1 is arranged in the bearing platform 3.

Stake groove 4 is divided into two parts, and 4 bottoms in stake groove are supplied a plurality of pile splices 2 to place, and the top in stake groove 4 is used for consolidating the pile body 1 and handles, slows down the ascending buoyancy of bottom pile body 1, and the top in stake groove 4 is provided with and consolidates subassembly 5 and utilizes and consolidate the subassembly and further slows down the ascending buoyancy of bottom pile body.

Referring to fig. 2, reinforcement component 5 includes first concrete cushion 6 that pile body 1 top periphery side was equipped with, is provided with outer annular groove 12 on pile body 1 periphery side, and outer annular groove 12 is filled up to first concrete cushion 6, utilizes the setting of first concrete cushion 6 for pile body 1 top area enlarges, and pile body 1 is when receiving upwards buoyancy, because first concrete cushion 6 has increased the area, and then has alleviated the damage that pile body 1 upwards alone buoyancy caused.

Referring to fig. 2, the reinforcing assembly 5 further includes a reinforcing column 7, the reinforcing column 7 is disposed on the top of the pile body 1 and fixedly connected in the pile slot 4, an outer vertical frame steel bar layer 8 is further disposed on the outer peripheral side of the reinforcing column 7, the outer vertical frame steel bar layer 8 is disposed on the first concrete cushion layer 6, the reinforcing column 7 is disposed on the inner wall of the outer vertical frame steel bar layer 8, and the reinforcing column 7 is disposed in a rectangular shape.

Referring to fig. 1 and 2, an integrally formed second concrete cushion 9 is arranged on the top outer wall of the outer vertical frame steel reinforcement layer 8, the second concrete cushion 9 is connected with the bearing platform 3, and the first concrete cushion 6 and the second concrete cushion 9 are arranged, so that when the pile body 1 is subjected to buoyancy, the first concrete cushion 6 and the second concrete cushion 9 gradually reduce the upward buoyancy of the pile body 1.

Referring to fig. 2 and 3, a preset hole 11 is formed in a central axis of a pile body 1, the preset hole 11 penetrates through a plurality of pile supports 2, a spiral steel bar 13 is installed in the preset hole 11, the spiral steel bar 13 is fixedly arranged on the inner wall of the preset hole 11, concrete is filled in the preset hole 11, and a precast column is formed in the preset hole 11 after the concrete is solidified and replaced. A plurality of reinforcing steel bars 10 which are uniformly distributed on the periphery of the preset hole 11 are arranged in the bearing pile 2, and the firmness and the pulling resistance of the pile body 1 are further improved by the arrangement of the plurality of reinforcing steel bars 10.

Referring to fig. 3 and 4, a connecting ring groove 14 is provided on the top end surface of the pile body 1, the connecting ring groove 14 is used for connecting the top reinforcing component 5 with the pile body 1, a plurality of reinforcing steel bars 10 pass through the connecting ring groove 14, a collar 15 is provided in the connecting ring groove 14, and the reinforcing steel bars 10 pass through the collar 15.

Referring to fig. 4 and 5, the reinforcing column 7 is provided with reinforcing holes 16 communicated with the bottom preset holes 11, concrete is filled in the reinforcing holes 16, and the concrete is communicated with the concrete in the preset holes 11 and is solidified after being integrated, so that the connecting effect is improved. Be provided with anchor reinforcing bar 17 in reinforcing post 7, anchor reinforcing bar 17 in reinforcing post 7 passes through welded connection with reinforcing bar 10, and anchor reinforcing bar 17 sets up in lantern ring 15 with being connected of reinforcing bar 10.

Referring to fig. 5, a plurality of connecting steel plates 18 are further provided in the reinforcing column 7, and the connecting steel plates 18 are fixedly connected to the anchoring bars 17 by iron wires.

Referring to fig. 1, the bottom of the pile body 1 is set to be conical, so that the stress area of the buoyancy at the bottom of the pile body 1 is reduced. Be provided with main reinforcing bar 19 in the center department of pile body 1, main reinforcing bar 19 runs through pile body 1 bottom, utilizes main reinforcing bar 19's setting, improves the holistic fastness of pile body 1.

The implementation principle of prefabricated uplift pile of the embodiment of the application is as follows: a plurality of receiving platforms are placed in the pile grooves 4 and fixedly connected up and down, rotating reinforcing steel bars are arranged in the pile grooves 4 at the central shaft of the pile body 1, and then concrete is filled into the pile grooves 4. A first concrete cushion 6 is provided on the outer periphery of the top of the pile body 1, the outer annular groove 12 is filled with the first concrete cushion 6, and the first concrete cushion 6 is extended to the outer periphery, thereby improving the buoyancy resistance of the pile body 1.

Be provided with outer grudging post reinforcing bar layer 8 on the inner wall at pile body 1 top, utilize outer grudging post reinforcing bar layer 8 to connect first concrete cushion 6 and second concrete cushion 9 for first concrete cushion 6 and second concrete cushion 9 can effectually keep out ascending buoyancy at the bottom of the bottom pile, improve the protection to cushion cap 3, and then improve the fastness of cushion cap 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prefabricated uplift pile which characterized in that: comprises a pile body (1), wherein the pile body (1) comprises a plurality of bearing piles (2), the bearing piles (2) are connected with each other in the vertical direction, a fixed connection bearing platform (3) is arranged on the periphery side of the top of the pile body (1), a pile groove (4) is arranged at the center of the bearing platform (3), the bearing piles (2) are arranged in the pile groove (4) in a penetrating way,

the pile structure is characterized in that a reinforcing component (5) is arranged at the top of the pile body (1), the reinforcing component (5) comprises a first concrete cushion layer (6) arranged on the periphery of the top of the pile body (1), the reinforcing component (5) further comprises a reinforcing column (7) arranged at the top of the pile body (1), an outer vertical frame reinforcing steel layer (8) is arranged on the side wall of the top of the pile groove (4), and the reinforcing column (7) is arranged in the outer vertical frame reinforcing steel layer (8);

and a second concrete cushion layer (9) is arranged on the periphery of the top of the outer vertical frame steel bar layer (8).

2. A prefabricated uplift pile according to claim 1, wherein: a plurality of vertically arranged reinforcing steel bars (10) are arranged in the bearing pile (2), a preset hole (11) is formed in the central shaft in the bearing pile (2), and the reinforcing steel bars (10) are uniformly distributed on the outer peripheral side of the concrete preset hole (11);

an outer annular groove (12) is formed in the joint of the outer periphery of the top of the pile body (1) and the reinforcing component (5), and the outer annular groove (12) is communicated with the first concrete layer.

3. A prefabricated uplift pile according to claim 2, wherein: and spiral steel bars (13) fixedly connected are arranged in the pile grooves (4).

4. A prefabricated uplift pile according to claim 2, wherein: be equipped with on pile body (1) top end face and connect annular (14), it is a plurality of reinforcement reinforcing bar (10) pass from connecting annular (14) bottom, it is equipped with fixed connection's lantern ring (15) to connect annular (14) endotheca.

5. A prefabricated uplift pile according to claim 4, wherein: be provided with in the reinforcement post (7) and communicate reinforcement hole (16) in preset hole (11), be equipped with anchor reinforcing bar (17) that correspond reinforcement reinforcing bar (10) and set up in reinforcement post (7), anchor reinforcing bar (17) are worn to establish in reinforcement post (7) and the bottom is connected with reinforcement reinforcing bar (10), reinforcement reinforcing bar (10) are connected with anchor reinforcing bar (17) through lantern ring (15).

6. A prefabricated uplift pile according to claim 5, wherein: still be equipped with connecting steel plate (18) in reinforcing post (7), connecting steel plate (18) are equipped with a plurality ofly, connecting steel plate (18) are connected with anchor reinforcing bar (17).

7. A prefabricated uplift pile according to claim 1, wherein: and a vertical main steel bar (19) is arranged at the central shaft of the pile body (1).

8. A prefabricated uplift pile according to claim 1, wherein: the bottom of the pile body (1) is arranged in a conical shape.