CN213448452U

CN213448452U - Tubular pile with high bearing capacity

Info

Publication number: CN213448452U
Application number: CN202022367038.6U
Authority: CN
Inventors: 胡宇琪
Original assignee: Zhejiang Yili Pipe Technology Co ltd
Current assignee: Zhejiang Yili Pipe Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-15
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a tubular pile of high bearing capacity belongs to tubular pile technical field, this tubular pile of high bearing capacity, including the pile body, the outside of pile body is provided with the pile wing, pile wing fixed mounting is at the outer wall of pile body, the top of pile body is provided with the connection slope, the one end on connection slope and the top fixed connection of pile body, the other end fixed mounting who connects the slope has the body, the bottom of pile body is provided with the connection tubular pile, the top of connecting tubular pile and the bottom fixed connection of pile body, the outer wall fixed mounting of connection tubular pile has the screw thread piece, the one end of pile point and the outer wall fixed connection of connection tubular pile, the one end that the pile point is close to the connection tubular pile is provided with balanced set-square, balanced set-square fixed mounting is at the outer wall of pile point. Through adding the bearing capacity of stake wing increase pile tip, improve the frictional force of pile side simultaneously, extrude earth when adding connection slope and the convenient construction of body, increase tubular pile load bearing area improves stability.

Description

Tubular pile with high bearing capacity

Technical Field

The utility model belongs to the technical field of the tubular pile, concretely relates to tubular pile of high bearing capacity.

Background

The pipe piles are classified into post-tensioned prestressed pipe piles, pre-tensioned prestressed pipe piles, prestressed concrete pipe piles (PC pipe piles), prestressed concrete thin-wall pipe piles (PTC pipe piles) and high-strength prestressed concrete pipe piles (PHC pipe piles). The pre-tensioning prestressed pipe pile is a hollow cylindrical elongated concrete prefabricated member made up by adopting pre-tensioning prestressed process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule. The pipe piles are classified into prestressed concrete pipe piles (PC pipe piles), prestressed concrete thin-wall pipe piles (PTC pipe piles) and prestressed high-strength concrete pipe piles (PHC pipe piles) according to the strength grade and wall thickness of concrete. The concrete strength of the PC pile is not lower than that of C50 concrete, the strength grade of the PTC pipe pile is not lower than that of C60, and the strength grade of the PHC pile is not lower than that of C80. The PC piles and the PTC piles are generally maintained by normal pressure steam, and can be driven after 28 days. And the PHC pile is subjected to autoclave steam curing after demoulding, and the concrete strength grade reaches C80 and only needs three or four days from forming to using after the steam curing is carried out at about 180 ℃ under 10 atmospheric pressure.

The common tubular pile or tube is not provided with pile wings, the bearing capacity of the prefabricated tube pile is low, the bearing area of the tubular pile is small, the stress is unstable, and the tubular pile is easy to incline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tubular pile of high bearing capacity to the tubular pile that proposes current a high bearing capacity among the solution above-mentioned background art is in the use, because tubular pile or a section of thick bamboo do not take the stake wing, and tubular pile load area is little, thereby the section of thick bamboo stake bearing capacity is low, and the atress is unstable, the problem of easy slope.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tubular pile of high bearing capacity, includes the pile body, the outside of pile body is provided with the stake wing, stake wing fixed mounting is at the outer wall of pile body, the top of pile body is provided with connects the slope, the one end on connection slope and the top fixed connection of pile body, the other end fixed mounting who connects the slope has the body, the bottom of pile body is provided with the connection tubular pile, the top of connection tubular pile and the bottom fixed connection of pile body, the outer wall fixed mounting of connection tubular pile has the screw thread piece.

Preferably, the bottom of connecting tubular pile is provided with the stake point, the one end of stake point and the outer wall fixed connection of connecting tubular pile, the one end that the stake point is close to connecting tubular pile is provided with balanced set square, balanced set square fixed mounting is at the outer wall of stake point.

Preferably, the outer wall of stake point has seted up the return water hole, the inner wall fixedly connected with wet return in return water hole, the outer wall of stake point has seted up the hole of slagging tap, the bottom fixed mounting of stake point has the angle steel.

Preferably, the top of body is provided with the pile cap, the bottom of pile cap and the top fixed connection of body, the slip casting hole has been seted up at the top of pile cap, the inside of body is provided with perpendicular muscle, the one end of perpendicular muscle and the bottom fixed connection of pile cap.

Preferably, the other end fixedly connected with diagonal muscle of perpendicular muscle, the bottom of diagonal muscle is provided with the stake core, the top of stake core and the bottom fixed connection of diagonal muscle, the outer wall fixed mounting of stake core has annular muscle, the outer wall fixed mounting of annular muscle has the brace rod.

Preferably, the bottom of the pile core is provided with a supporting plate, the outer wall of the supporting plate is fixedly connected with the bottom of the pile core, concrete is arranged outside the pile core, and one end of the concrete is fixedly connected with the outer wall of the pile core.

Compared with the prior art, the beneficial effects of the utility model are that:

1. can improve stake end bearing capacity and stake side frictional resistance through adding the stake wing to improve the bearing capacity of single pile, thereby under the unchangeable circumstances of whole load, can reduce the number of stake, can practice thrift manufacturing cost, improve the efficiency of construction simultaneously, the balanced set-square of increase can improve the balanced stability of stake point department, and the stake point is crooked when avoiding driving, and the screw thread piece is convenient extrudes earth.

2. Extrude earth through adding when connecting slope and the convenient construction of body, can increase tubular pile load area, improve the stability in use to improve the intensity of pile bolck department behind the increase pile cap, avoid the too big damage of pile bolck atress, improved the bearing capacity of stake, reduced ground post-construction settlement, muscle and annular muscle improve pile body intensity to one side, avoid damaged.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a pile body; 2. pile wings; 3. connecting a slope; 4. a pipe body; 5. connecting the tubular piles; 6. a threaded sheet; 7. pile tip; 8. a balance triangle; 9. a water return pipe; 10. a slag hole; 11. angle steel; 12. pile caps; 13. grouting holes; 14. erecting ribs; 15. a diagonal rib; 16. pile core; 17. an annular rib; 18. supporting ribs; 19. a support plate; 20. and (3) concrete.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a tubular pile of high bearing capacity, including pile body 1, the outside of pile body 1 is provided with

pile wing

2, 2 fixed mounting of pile wing are at the outer wall of pile body 1, the top of pile body 1 is provided with connects slope 3, the one end of connecting slope 3 and the top fixed connection of pile body 1, the other end fixed mounting who connects slope 3 has a body 4, the bottom of pile body 1 is provided with connecting tubular pile 5, the top of connecting tubular pile 5 and the bottom fixed connection of pile body 1, the outer wall fixed mounting of connecting tubular pile 5 has screw thread piece 6.

In this embodiment, can improve stake end bearing capacity and stake side frictional resistance through adding stake wing 2 to improve the bearing capacity of single pile, thereby under the unchangeable circumstances of whole load, can reduce the number of stake, can practice thrift manufacturing cost, improve the efficiency of construction simultaneously, extrude earth when adding connection slope 3 and body 4 and conveniently constructing, can increase tubular pile load area, improve the stability in use.

Specifically, the bottom of connecting tubular pile 5 is provided with stake point 7, the one end of stake point 7 and the outer wall fixed connection of connecting tubular pile 5, and the one end that stake point 7 is close to connecting tubular pile 5 is provided with balanced set-square 8, and balanced set-square 8 fixed mounting is at the outer wall of stake point 7.

In this embodiment, the stability of stake point 7 department is improved to balanced set square 8, avoids stake point 7 crooked.

Specifically, a water return hole is formed in the outer wall of the pile tip 7, a water return pipe 9 is fixedly connected to the inner wall of the water return hole, a slag hole 10 is formed in the outer wall of the pile tip 7, and angle steel 11 is fixedly mounted at the bottom of the pile tip 7.

In this embodiment, the slag hole 10 provided at the pile tip 7 prevents gravel from entering the pile.

Specifically, the top of body 4 is provided with pile cap 12, the top fixed connection of the bottom of pile cap 12 and body 4, and grout hole 13 has been seted up at the top of pile cap 12, and the inside of body 4 is provided with perpendicular muscle 14, the one end of perpendicular muscle 14 and the bottom fixed connection of pile cap 12.

In this embodiment, concrete 20 may be poured into the pile body 1 through the grouting holes 13, and the vertical ribs 14 and the diagonal ribs 15 may serve as a support connection.

Specifically, the other end of the vertical rib 14 is fixedly connected with an inclined rib 15, the bottom of the inclined rib 15 is provided with a pile core 16, the top of the pile core 16 is fixedly connected with the bottom of the inclined rib 15, the outer wall of the pile core 16 is fixedly provided with an annular rib 17, and the outer wall of the annular rib 17 is fixedly provided with a support rib 18.

In this embodiment, the annular ribs 17 and the support ribs 18 improve the strength of the structure to resist the action force during pile pressing and avoid breakage.

Specifically, a support plate 19 is arranged at the bottom of the pile core 16, the outer wall of the support plate 19 is fixedly connected with the bottom of the pile core 16, concrete 20 is arranged outside the pile core 16, and one end of the concrete 20 is fixedly connected with the outer wall of the pile core 16.

In this embodiment, the supporting plate 19 supports the whole structure of the pile body 1 to prevent the foundation from floating upward.

The utility model discloses a theory of operation and use flow: the pile tip 7 is driven downwards into the ground bottom, concrete 20 can be poured into the pile body 1 through the grouting hole 13, the strength of the pile top is improved after the pile cap 12 is added, the overlarge damage of the pile top stress is avoided, the bearing capacity of the pile is improved, the settlement after foundation construction is reduced, soil is extruded when the connecting slope 3 and the pipe body 4 are added for facilitating construction, the bearing area of the pipe pile can be increased, the use stability is improved, the thread piece 6 can take out redundant soil, the penetration rate is improved, the strength of the structure is improved by the annular rib 17 and the support rib 18 so as to resist the acting force when the pile is pressed and avoid damage, the slag hole 10 arranged at the pile tip 7 prevents gravels from entering the pile, the pile end bearing capacity and the pile side friction resistance can be improved by adding the pile wing 2, the bearing capacity of a single pile is improved, therefore, under the condition of unchanged integral load, the number of the piles can be reduced, the production cost is saved, and the construction efficiency, the balance set square 8 improves the stability of the pile tip 7, prevents the pile tip 7 from being inclined, and the supporting plate 19 prevents the foundation from floating upwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tubular pile of high bearing capacity, includes pile body (1), its characterized in that: the outside of pile body (1) is provided with pile wing (2), pile wing (2) fixed mounting is at the outer wall of pile body (1), the top of pile body (1) is provided with connects slope (3), the one end of connecting slope (3) and the top fixed connection of pile body (1), the other end fixed mounting who connects slope (3) has body (4), the bottom of pile body (1) is provided with connection tubular pile (5), the top of connecting tubular pile (5) and the bottom fixed connection of pile body (1), the outer wall fixed mounting of connecting tubular pile (5) has screw thread piece (6).

2. The high bearing capacity tubular pile of claim 1, wherein: the bottom of connecting tubular pile (5) is provided with stake point (7), the one end of stake point (7) and the outer wall fixed connection of connecting tubular pile (5), the one end that stake point (7) are close to connecting tubular pile (5) is provided with balanced set-square (8), balanced set-square (8) fixed mounting is at the outer wall of stake point (7).

3. The high bearing capacity tubular pile of claim 2, wherein: the outer wall in return water hole has been seted up to the outer wall of stake point (7), inner wall fixedly connected with wet return (9) in return water hole, slag outlet (10) have been seted up to the outer wall in stake point (7), the bottom fixed mounting of stake point (7) has angle steel (11).

4. The high bearing capacity tubular pile of claim 1, wherein: the top of body (4) is provided with pile cap (12), the top fixed connection of the bottom of pile cap (12) and body (4), slip casting hole (13) have been seted up at the top of pile cap (12), the inside of body (4) is provided with erects muscle (14), the one end of erecting muscle (14) and the bottom fixed connection of pile cap (12).

5. The high bearing capacity tubular pile of claim 4, wherein: the other end fixedly connected with diagonal muscle (15) of erecting muscle (14), the bottom of diagonal muscle (15) is provided with stake core (16), the top of stake core (16) and the bottom fixed connection of diagonal muscle (15), the outer wall fixed mounting of stake core (16) has annular muscle (17), the outer wall fixed mounting of annular muscle (17) has brace rod (18).

6. The high bearing capacity tubular pile of claim 5, wherein: the bottom of stake core (16) is provided with layer board (19), the outer wall of layer board (19) and the bottom fixed connection of stake core (16), the outside of stake core (16) is provided with concrete (20), the one end of concrete (20) and the outer wall fixed connection of stake core (16).