CN213508536U

CN213508536U - Connecting structure of bearing platform anchoring reinforcing steel bar and tubular pile end plate

Info

Publication number: CN213508536U
Application number: CN202022096848.2U
Authority: CN
Inventors: 殷余宝; 罗宏; 李兵
Original assignee: Masteel Design & Research Institute Co ltd
Current assignee: Masteel Design & Research Institute Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-22
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a connection structure of cushion cap anchor reinforcing bar and tubular pile end plate belongs to the building engineering field. The steel bar is of a bent structure and comprises a horizontal section and a bearing platform connecting section; the horizontal section is connected with the end plate in a welding mode, and the bearing platform connecting section extends upwards and is fixedly connected with the bearing platform. The utility model discloses a joint strength between reinforcing bar and the end plate is high, has improved whole construction engineering's stability.

Description

Connecting structure of bearing platform anchoring reinforcing steel bar and tubular pile end plate

Technical Field

The utility model belongs to the technical field of building engineering, more specifically say, relate to a connection structure of cushion cap anchor reinforcing bar and tubular pile end plate.

Background

The bearing platform is a reinforced concrete platform which is arranged on the top of the pile foundation and is used for connecting the pile tops in order to bear and distribute the load transmitted by the pier body. High pile caps are commonly used in ports, docks, ocean engineering and bridge engineering. Low pile caps are commonly used in industrial and residential housing construction. The pile head generally extends into the bearing platform by 0.1 meter, and is anchored into the bearing platform by steel bars, and then a column or pier is built on the bearing platform to form a complete force transmission system. Therefore, the connecting structure of the bearing platform anchoring steel bar and the tubular pile end plate plays an important role in the installation of the bearing platform, and the connecting precision, the strength and the like of the structure have great influence on the whole building engineering.

The Chinese patent application numbers are: cn201220691069.x, published as: patent literature of 7/3/2013 discloses a tubular pile end plate, wherein clamping grooves are arrayed on the end face of the tubular pile end plate along the circumferential direction, each clamping groove is formed by a through large round hole and a through small hole, and the large round hole is a threaded hole. The small holes are small round holes.

The Chinese patent application numbers are: CN201420690571.8, published date: patent literature on 4/15/2015 discloses a prestressed concrete tubular pile end plate, which comprises a tubular pile end plate main body consisting of an annular steel plate and a boss, wherein the annular steel plate and the boss are integrally formed, the boss is positioned on a bottom plate of the annular steel plate, and the wedge-shaped structure rotates along the central axis direction of the annular steel plate to form the boss; a plurality of clamping grooves are arrayed in the circumferential direction of the annular steel plate, each clamping groove consists of an anchor hole and a reinforcement penetrating hole, each anchor hole is communicated with the reinforcement penetrating hole, and each anchor hole is a threaded hole; the central axis of the anchor hole and the central axis of the reinforcement penetrating hole are respectively vertical to the plane of the annular steel plate, and the reinforcement penetrating holes are distributed on the same side of the anchor hole; the diameter of the anchor hole is larger than that of the reinforcement penetrating hole, the diameter of the anchor hole is also larger than that of the two ends of the steel bar, and the diameter of the reinforcement penetrating hole is smaller than that of the two ends of the steel bar and larger than that of the steel bar.

Above-mentioned two kinds of schemes all improve through the structure of geminate transistors stake end plate for it is more convenient or more firm when reinforcing bar and tubular pile end plate are connected, but, when setting up the reinforcing bar on the end plate, above-mentioned two kinds of schemes still have not enough perfect place, the area of contact of reinforcing bar and end plate is less for example, leads to the joint strength of reinforcing bar and end plate not enough.

Disclosure of Invention

1. Problems to be solved

Still have the local problem of not enough perfection to the connection structure of current reinforcing bar and tubular pile end plate, the utility model provides a connection structure of cushion cap anchor reinforcing bar and tubular pile end plate, joint strength between its reinforcing bar and the end plate is high, has improved whole construction engineering's stability.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A connecting structure of a bearing platform anchoring steel bar and a tubular pile end plate comprises the end plate and the steel bar, wherein the steel bar is of a bent structure and comprises a horizontal section and a bearing platform connecting section; the horizontal section is connected with the end plate in a welding mode, and the bearing platform connecting section extends upwards and is fixedly connected with the bearing platform.

As a further improvement of the technical scheme, the upper end face of the end plate is provided with an arc groove, and the horizontal section is attached to the inner wall of the arc groove.

As a further improvement of the technical scheme, one end of the arc groove, which is far away from the circle center of the end plate, is communicated with the side surface of the end plate.

As a further improvement of the technical scheme, one end of the arc groove close to the circle center of the end plate is provided with a containing cavity, the upper end face of the end plate is arranged above the containing cavity, and the end part of the horizontal section is inserted into the containing cavity.

As a further improvement of the technical scheme, a limiting frame is arranged above the arc groove and comprises a horizontal plane and a pair of vertical surfaces symmetrically arranged at two ends of the horizontal plane, and the lower ends of the vertical surfaces are fixedly connected with the upper end surfaces of the end plates on two sides of the arc groove respectively.

As a further improvement of the technical scheme, the lower ends of the vertical surfaces respectively extend outwards to form a horizontal fixing surface, and the fixing surfaces are fixedly connected with the upper end surfaces of the end plates.

As a further improvement of the technical scheme, the fixing surface is fixedly connected with the upper end surface of the end plate through a bolt.

As a further improvement of the technical scheme, the reinforcing steel bars are provided with a plurality of reinforcing steel bars, the plurality of reinforcing steel bars are centered on the circle center of the end plate and are distributed at equal intervals along the circumferential direction of the end plate.

As a further improvement of the technical scheme, the end plate is fixedly arranged on the tubular pile; the tubular pile includes the pile body and fills core concrete layer, fill core concrete layer lower extreme face and be equipped with the layer board.

As a further improvement of the technical scheme, a waterproof layer is arranged between the inner wall of the pile body and the core filling concrete layer.

3. Advantageous effects

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

(1) the utility model relates to a connection structure of cushion cap anchoring reinforcing bar and tubular pile end plate, its reinforcing bar adopts two segmentation bending structures, and the horizontal segment reinforcing bar carries out welded connection with the tubular pile end plate, and the cushion cap linkage segment that extends upwards then is connected with cushion cap fixed connection, compares the connection structure of conventional reinforcing bar and end plate, and it is through making simple ingenious change to the structure of reinforcing bar, has increased the connection area between reinforcing bar and the end plate to the joint strength of reinforcing bar and end plate has greatly been improved;

(2) the utility model relates to a connection structure of cushion cap anchoring reinforcing bar and tubular pile end plate, the up end of end plate is equipped with the circular arc groove that matches with reinforcing bar horizontal segment, when welding the reinforcing bar, can make reinforcing bar and the inner wall of circular arc groove laminate mutually, play a effect of positioning in advance, the circular arc groove also makes can weld from the both sides of circular arc groove and the position that the reinforcing bar contacted when welding the reinforcing bar horizontal segment simultaneously, it is more convenient and firm to weld;

(3) the utility model relates to a connection structure of cushion cap anchoring reinforcing bar and tubular pile end plate, the one end of keeping away from the centre of a circle of end plate at the arc groove communicates the side of end plate for the reinforcing bar can directly get into the arc groove from the end plate side, and can only make the first half section of reinforcing bar horizontal segment get into the arc groove when the horizontal segment is longer, prevent to put into the arc groove because the reinforcing bar horizontal segment is longer;

(4) the utility model relates to a connection structure of cushion cap anchoring reinforcing bar and tubular pile end plate, the one end that the arc groove is close to the centre of a circle of end plate is equipped with and holds the chamber, and the tip of reinforcing bar horizontal segment inserts and holds in the chamber, has the positioning action to the welding of reinforcing bar on the one hand, and on the other hand has also increased the joint strength of reinforcing bar and end plate;

(5) the utility model relates to a connection structure of cushion cap anchor reinforcing bar and tubular pile end plate, the top in circular arc groove is equipped with spacing, can prevent when welding the reinforcing bar, and the reinforcing bar breaks away from and causes the damage to constructor from the circular arc groove, especially, through bolt fixed connection between spacing and the end plate for can pull down it after accomplishing the welding to the reinforcing bar, make things convenient for the construction of follow-up cushion cap on the one hand, on the other hand also can retrieve reuse.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a front view of an end plate without reinforcing bars;

FIG. 4 is a top view of an end plate without reinforcing bars;

in the figure: 1. an end plate; 11. an arc groove; 12. an accommodating chamber; 2. reinforcing steel bars; 21. a horizontal segment; 22. a bearing platform connecting section; 3. a limiting frame; 31. a horizontal plane; 32. a vertical plane; 33. a fixed surface; 4. a tubular pile; 41. a pile body; 42. filling a core concrete layer; 43. a support plate; 44. and a waterproof layer.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Examples

A connection structure of a bearing platform anchoring steel bar and a tubular pile end plate is used in the field of construction and used as a base layer of bearing platform construction, and the specific structure and the working principle of the connection structure are described in detail below.

As shown in fig. 1 and 2, the connecting structure mainly includes an end plate 1, a reinforcing bar 2, and a stopper 3. Wherein, the end plate 1 is installed at the upper end of the pipe pile 4. The tubular pile 4 comprises a pile body 41 and a core filling concrete layer 42 inside the pile body 41, wherein a supporting plate 43 is arranged on the lower end face of the core filling concrete layer 42, and the supporting plate 43 mainly plays a role in positioning when concrete is poured. Meanwhile, a waterproof layer 44 is arranged between the inner wall of the pile body 41 and the core filling concrete layer 42, so that the overall performance of the tubular pile 4 is improved.

As shown in fig. 3 and 4, the upper end surface of the end plate 1 is provided with a plurality of circular arc grooves 11, 6 in this embodiment, around the center of the end plate 1. The diameter of the circular arc groove 11 is matched with the diameter of the reinforcing steel bar 2 and is slightly larger than the diameter of the reinforcing steel bar 2, and the circular arc groove extends from the edge of the end plate 1 to the center of the end plate 1. The one end intercommunication end plate 1's of the centre of a circle of end plate 1 side is kept away from to circular arc groove 11, has the assorted breach of intercommunication circular arc groove 11 on the side of end plate 1 promptly, and simultaneously, the other end of circular arc groove 11 is close to the one end of the centre of a circle promptly and then is equipped with and holds chamber 12, holds chamber 12 and need keep certain interval apart from the centre of a circle of end plate 1.

The limiting frame 3 is arranged above the arc groove 11 and comprises a horizontal plane 31 and a pair of vertical surfaces 32 symmetrically arranged at two ends of the horizontal plane 31, the lower ends of the two vertical surfaces 32 extend outwards respectively to form a horizontal fixing surface 33, and the fixing surface 33 is fixedly connected with the upper end surface of the end plate 1 through bolts.

The steel bar 2 is a two-section bending structure, and comprises a horizontal section 21 and a bearing platform connecting section 22. The horizontal section 21 is welded with the end plate 1, and the bearing platform connecting section 22 extends upwards and is fixedly connected with the bearing platform. The quantity of the reinforcing steel bars 2 and the limiting frames 3 is matched with that of the arc grooves 11.

During installation, the horizontal section 21 of the steel bar 2 is inserted into the arc groove 11 and the end part of the horizontal section is inserted into the accommodating cavity 12, and at the moment, the horizontal section 21 is positioned in the limiting frame 3. The horizontal segment 21 of reinforcing bar 2 is laminated mutually with the inner wall of arc groove 11, has played the effect of a location in advance, and arc groove 11 makes and welds from the both sides of arc groove 11 and the position of reinforcing bar 2 contact when welding the horizontal segment 21 of reinforcing bar 1 simultaneously, and the welding is more convenient and firm. The tip of horizontal segment 21 inserts and holds in 12, the side plays the positioning action to the welding of reinforcing bar 2, on the other hand has also increased reinforcing bar 2 and end plate 1's joint strength, and the one end intercommunication end plate 1's of the centre of a circle of end plate 1 side is kept away from to arc groove 11, make reinforcing bar 2 can directly get into the arc groove from end plate 1 side, and also can only make the first half section of reinforcing bar 2's horizontal segment 21 get into arc groove 11 when horizontal segment 21 is longer, prevent to lead to not putting into arc groove 11 because reinforcing bar 2 horizontal segment 21 is longer. Simultaneously, reinforcing bar 2 adopts two segmentation bending structures, compares the connection structure of conventional reinforcing bar and end plate, and it is through making simple ingenious the change to the structure of reinforcing bar, has increased the connection area between reinforcing bar 2 and the end plate 1 to the joint strength of reinforcing bar 2 and end plate 1 has been improved greatly.

Spacing 3 can prevent to break away from and cause the damage to constructor from the arc groove 11 in 2 when welding reinforcing bar 2. Especially, pass through bolt fixed connection between spacing 3 and the end plate 1 for can dismantle spacing 3 after accomplishing the welding to reinforcing bar 2, make things convenient for the construction of follow-up cushion cap on the one hand, on the other hand also can retrieve reuse.

It should be noted that it is also possible to directly weld only the reinforcing steel bar 2 and the conventional end plate, and the connection strength between the reinforcing steel bar 2 and the end plate can be increased, but the end plate 1 provided with the arc groove 11, the accommodating cavity 12 and the limiting frame 3 is provided, and the welding convenience and strength are all deficient.

To sum up, the connection structure of cushion cap anchor reinforcing bar and tubular pile end plate of this embodiment, the joint strength between its reinforcing bar and the end plate is high, has improved whole construction engineering's stability.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a connection structure of cushion cap anchor reinforcing bar and tubular pile end plate, includes end plate (1) and reinforcing bar (2), its characterized in that: the steel bar (2) is of a bent structure and comprises a horizontal section (21) and a bearing platform connecting section (22); the horizontal section (21) is connected with the end plate (1) in a welding mode, and the bearing platform connecting section (22) extends upwards and is fixedly connected with the bearing platform.

2. The connection structure of a cushion cap anchoring reinforcing bar and a tubular pile end plate according to claim 1, characterized in that: the upper end face of the end plate (1) is provided with an arc groove (11), and the horizontal section (21) is attached to the inner wall of the arc groove (11).

3. The connection structure of a cushion cap anchoring reinforcing bar and a tubular pile end plate according to claim 2, characterized in that: one end of the arc groove (11) far away from the circle center of the end plate (1) is communicated with the side surface of the end plate (1).

4. The connection structure of a cushion cap anchoring reinforcing bar and a tubular pile end plate according to claim 3, characterized in that: one end of the circular arc groove (11) close to the circle center of the end plate (1) is provided with a containing cavity (12), the upper end face of the end plate (1) is arranged above the containing cavity (12), and the end of the horizontal section (21) is inserted into the containing cavity (12).

5. The connection structure of a cushion cap anchoring reinforcing bar and tubular pile end plate of claim 4, characterized in that: the top in circular arc groove (11) is equipped with spacing (3), spacing (3) include horizontal plane (31) and symmetry set up a pair of vertical face (32) at horizontal plane (31) both ends, two the lower extreme of vertical face (32) respectively with end plate (1) up end fixed connection of circular arc groove (11) both sides.

6. The connection structure of a cushion cap anchoring reinforcing bar and a tubular pile end plate according to claim 5, characterized in that: the lower ends of the vertical surfaces (32) extend outwards to form horizontal fixing surfaces (33), and the fixing surfaces (33) are fixedly connected with the upper end face of the end plate (1).

7. The connection structure of a cushion cap anchoring reinforcing bar and a tubular pile end plate according to claim 6, characterized in that: the fixing surface (33) is fixedly connected with the upper end surface of the end plate (1) through bolts.

8. The structure of any one of claims 1 to 7, wherein: the reinforcing steel bars (2) are multiple, the circle center of the end plate (1) is used as the center, and the reinforcing steel bars are distributed at equal intervals along the circumferential direction of the end plate (1).

9. The structure of any one of claims 1 to 7, wherein: the end plate (1) is fixedly arranged on the tubular pile (4); tubular pile (4) are including pile body (41) and fill core concrete layer (42), fill core concrete layer (42) lower terminal surface and be equipped with layer board (43).

10. The connection structure of a cushion cap anchoring reinforcing bar and tubular pile end plate of claim 9, characterized in that: and a waterproof layer (44) is arranged between the inner wall of the pile body (41) and the core filling concrete layer (42).