CN212772510U - Steel-pipe pile foundation reinforced structure - Google Patents
Steel-pipe pile foundation reinforced structure Download PDFInfo
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- CN212772510U CN212772510U CN202021570276.0U CN202021570276U CN212772510U CN 212772510 U CN212772510 U CN 212772510U CN 202021570276 U CN202021570276 U CN 202021570276U CN 212772510 U CN212772510 U CN 212772510U
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Abstract
The utility model relates to a steel-pipe pile foundation reinforcement structure, including seting up the reinforcement hole on the ground, the reinforcement downthehole reinforcing steel pipe of installing, the external diameter of reinforcing steel pipe is less than the diameter of reinforcing the hole, all pack in the gap between reinforcing steel pipe and the reinforcement hole and the reinforcement steel pipe and have the reinforcement thick liquids, the length of reinforcing steel pipe is less than the degree of depth of reinforcing the hole, reinforcing steel pipe upper end cover is equipped with the reinforcement apron, the diameter of reinforcing the apron equals with the diameter of reinforcing the hole, and the top surface of reinforcing the apron is coplanar with the top surface of ground. This application has effectually consolidated ground storehouse basis, consolidates respond well effect.
Description
Technical Field
The application relates to the field of steel-pipe piles, in particular to a steel-pipe pile foundation reinforcing structure.
Background
In the current building engineering industry, the foundation is required to be reinforced when a ground bank with poor soil quality is built. The existing conventional ground reservoir foundation reinforcing scheme is compaction grouting. The method of compacting and grouting is to drill a hole in foundation soil, then to pour viscous grout into the hole and extrude the grout to soil, forming grout bubbles at the grouting position, and the diffusion of the grout compresses the surrounding soil. The slurry completely replaces the soil body in the grouting range, a large plastic deformation area exists in the adjacent grouting area, and the soil body in the area far away from the slurry bubble is elastically deformed, so that the density of the soil is obviously increased, and the reinforcement is further completed.
In the related art, the inventors consider that there is a defect that the reinforcing effect is difficult to guarantee because the slurry has a discrete type and the construction period is not controllable.
SUMMERY OF THE UTILITY MODEL
In order to can be stable consolidate ground storehouse basis, this application provides a steel-pipe pile foundation reinforced structure.
The application provides a steel-pipe pile foundation reinforcement structure adopts following technical scheme:
the utility model provides a steel-pipe pile foundation reinforcement structure, is including seting up the reinforcement hole on the ground, the reinforcement downthehole reinforcing steel pipe of installing, the external diameter of reinforcing the steel pipe is less than the diameter of reinforcing the hole, all pack in the gap between reinforcing steel pipe and the reinforcement hole and in the reinforcing steel pipe and have the reinforcement thick liquids, the length of reinforcing the steel pipe is less than the degree of depth of reinforcing the hole, reinforcing steel pipe upper end cover is equipped with the reinforcement apron, the diameter of reinforcing the apron equals with the diameter of reinforcing the hole, and the top surface of reinforcing the apron is coplanar with the top surface of ground.
Through adopting above-mentioned technical scheme, wear to be equipped with the reinforcement steel pipe in the reinforcement hole on the ground, later in the reinforcement steel pipe with consolidate the steel pipe outside and fill the concrete as consolidating the thick liquids. The reinforced steel pipe is stable in structure, and under the action of reinforced slurry, the strength of the whole reinforced steel pipe is further increased, so that the reinforced steel pipe and the reinforced slurry poured into the reinforced hole are connected into a whole to form a pile foundation structure, the load transferred from the upper part is jointly borne, the ground foundation is effectively reinforced, and the reinforcing effect is good.
Preferably, a positioning device is fixedly arranged on the bottom surface of the inner side of the reinforcing hole, the positioning device comprises a positioning frame and a positioning ring arranged on the positioning frame, the bottom surface of the positioning frame is parallel to the horizontal plane, and the positioning frame is abutted against the inner side wall of the reinforcing hole; the outer diameter of the positioning ring is not larger than the inner diameter of the reinforcing steel pipe, and the axis of the positioning ring arranged on the positioning frame is collinear with the axis of the reinforcing hole.
Through adopting above-mentioned technical scheme, because the locating rack and the inside wall butt in reinforcement hole, when the locating rack was placed in reinforcement hole, the rigidity of locating rack, consequently install the position fixing of position ring on the locating rack. The position of the positioning ring is preset, so that the positioning ring is positioned at the center of the reinforcing hole, and the positioning ring is set to be a structure with the outer diameter slightly smaller than the inner diameter of the reinforcing steel pipe. When the workman hoists the reinforcement steel pipe, make the holding ring be located the inboard of reinforcing the steel pipe, the position of reinforcing the steel pipe is restricted by the holding ring, and difficult the steel pipe offset that appears consolidates makes the phenomenon of laminating between reinforcement steel pipe and the reinforcement hole inside wall. The subsequent injection of the reinforcing slurry by workers is facilitated.
Preferably, the locating rack includes the locating lever, and the locating lever divide into vertical pole and transverse bar, and vertical pole and transverse bar all are provided with two at least, vertical pole perpendicular to transverse bar.
Through adopting above-mentioned technical scheme, the locating lever is formed by many vertical poles and horizontal pole combination, and it is general like the grid, and the locating rack is when placing in the reinforcement hole, and is more stable. And the shaping has a plurality of meshs on the locating rack, and when pouring into the reinforcement thick liquids, the reinforcement thick liquids can be simple pour into the meshs of locating rack in, be difficult for remaining the bubble after filling into, guaranteed to pour into the intensity of the reinforcement steel pipe that has the reinforcement thick liquids.
Preferably, the end of the positioning rod is provided with a roller, and the rotation axis of the roller is horizontally arranged and perpendicular to the axis of the positioning rod connected with the roller.
Through adopting above-mentioned technical scheme, install the gyro wheel in the end department of locating lever, the locating rack is placed when consolidating the downthehole, and the gyro wheel has reduced the frictional force between locating rack and the reinforcement section of thick bamboo inside wall with consolidating the inboard wall laminating in hole, makes the locating rack can be easier landing into the bottom in strengthening the hole.
Preferably, the end department of locating lever be provided with flexible subassembly, reset assembly and sliding block, the gyro wheel is installed on the sliding block, the sliding block is installed on flexible subassembly, flexible subassembly can drive the sliding block along the axis round trip movement of locating lever, reset assembly can promote the sliding block and move towards the position department of keeping away from the locating lever other end.
Through adopting above-mentioned technical scheme, because the inside wall in reinforcement hole is not necessarily smooth, through being provided with flexible subassembly, the gyro wheel of locating lever end department is when removing to the bellied position department of reinforcement hole inside wall, and the sliding block can move towards the other end of locating lever, makes the locating rack difficult by blocking, can make whole locating rack normally fall down.
Preferably, flexible subassembly including seting up the slip logical groove on the locating lever top surface, the one end that the groove was led to in the slip coincides with the one end of locating lever, the rectangular hole has all been seted up on two inside walls adjacent with the locating lever terminal surface in the groove is led to in the slip, central line in the rectangular hole cross section is parallel with the axis of locating lever, all fixed the slip post that sets up on two relative sides of sliding block, the slip post inlays to be established at rectangular downthehole, and the slip post can remove along the rectangular hole, reset assembly includes reset spring, reset spring is located the side that the locating lever terminal surface was kept away from in the logical groove of sliding block and slip, the gyro wheel is installed in the sliding block on the side.
Through adopting above-mentioned technical scheme, seted up the slip and led to the groove on the flexible subassembly, it has the sliding block to slide in the groove that slides, and the sliding block is more stable when removing. Through reset spring can be stable release the sliding block to under the spacing in rectangular hole, the sliding block is difficult to be released to the position department that breaks away from the logical inslot of sliding, its simple structure, it is also very convenient to assemble.
Preferably, the side wall of the reinforced steel pipe is provided with communicating holes, the distance between the communicating holes and the lower end of the reinforced steel pipe is greater than the height of the positioning ring, the communicating holes are provided with a circle along the outer side wall of the reinforced steel pipe, and the heights of the two adjacent communicating holes are not equal.
Through adopting above-mentioned technical scheme, the intercommunicating pore has been seted up in the lower extreme department of consolidating the steel pipe, when pouring into the reinforcement thick liquids, consolidates the thick liquids and can pass through the intercommunicating pore. Through such setting, can make the reinforcement thick liquids that adds the downthehole department of reinforcement and pour into, more closely knit, after pouring into good reinforcement thick liquids, consolidate the inside phenomenon that exists the cavity that is difficult for appearing of thick liquids. And the height of two adjacent intercommunicating pores is unequal, so that the strength of the inner side wall of the reinforced steel pipe can be ensured, and the reinforced steel pipe is not easy to damage due to the fact that the intercommunicating pores are arranged too densely.
Preferably, the bottom surface of the reinforcing cover plate is provided with a positioning groove, the positioning groove is annular, the annular width of the positioning groove is larger than the thickness of the side wall of the reinforcing steel pipe, and when the reinforcing cover plate cover is arranged on the reinforcing steel pipe, the upper end of the reinforcing steel pipe is embedded in the positioning groove.
Through adopting above-mentioned technical scheme, when consolidating the apron lid and establishing on consolidating the steel pipe, the structure is more stable, is difficult for appearing consolidating the phenomenon that the apron drops the dislocation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the foundation of the ground reservoir is effectively reinforced, and the reinforcing effect is good;
2. under positioner's effect, the installation that the reinforcement steel pipe can be convenient is downthehole at the reinforcement, and the difficult skew in position of reinforcing the steel pipe is convenient for the follow-up injection of workman and is consolidated the thick liquids.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic structural view after hiding a part of the reinforced steel pipe and a part of the reinforced cover plate.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. reinforcing holes; 2. a positioning device; 21. a positioning frame; 22. positioning a rod; 221. a longitudinal rod; 222. a transverse bar; 23. a sliding through groove; 24. a strip hole; 25. a slider; 26. a sliding post; 27. a return spring; 28. a roller; 29. a positioning ring; 3. reinforcing the steel pipe; 31. a communicating hole; 4. reinforcing the cover plate; 41. positioning a groove; 5. and (5) foundation construction.
Detailed Description
The present application is described in further detail below with reference to FIGS. 1-3).
The embodiment of the application discloses steel-pipe pile foundation reinforced structure. Referring to fig. 1 and 2, the steel pipe pile foundation reinforcing structure includes a reinforcing hole 1 formed in a foundation 5, and a positioning device 2, a reinforcing steel pipe 3 and a reinforcing cover plate 4 are installed in the reinforcing hole 1.
Referring to fig. 2 and 3, the positioning device 2 includes a positioning frame 21, the positioning frame 21 includes a positioning rod 22, the positioning rod 22 is divided into two longitudinal rods 221 and two transverse rods 222, the longitudinal rods 221 and the transverse rods 222 are both horizontally arranged, the longitudinal rods 221 are perpendicular to the transverse rods 222, and the longitudinal rods 221 and the transverse rods 222 are arranged in a # -shape. The end of the positioning rod 22 is provided with a telescopic component, a reset component, a sliding block 25 and a roller 28. The telescopic assembly comprises a sliding through groove 23 formed in the top surface of the positioning rod 22, one end of the sliding through groove 23 coincides with one end of the positioning rod 22, strip holes 24 are formed in two inner side walls adjacent to the end surface of the positioning rod 22 in the inner side wall of the sliding through groove 23, the cross section of each strip hole 24 is rectangular, and the central line of the short side of each strip hole 24 is parallel to the axis of the positioning rod 22. The sliding block 25 is installed in the sliding through groove 23, and two side surfaces of the sliding block 25 are respectively abutted to two side surfaces of the sliding through groove 23, which are provided with the elongated holes 24. A slide post 26 is integrally formed on a side surface of the slide block 25 abutting against the slide through groove 23, and the slide post 26 is fitted in the elongated hole 24 and is movable along the elongated hole 24. The reset component is a reset spring 27, one end of the reset spring 27 is connected with the side face of the sliding through groove 23 far away from the end face of the positioning rod 22, and the other end of the reset spring 27 is connected with the sliding block 25. The roller 28 is mounted on the side of the sliding block 25 remote from the return spring 27, the axis of rotation of the roller 28 being arranged horizontally and perpendicular to the axis of the positioning rod 22 to which the roller 28 is connected. When the locating rack 21 is placed in the reinforcing hole 1, the rollers 28 on the locating rack 21 are all abutted against the inner side wall of the reinforcing hole 1.
Referring to fig. 2 and 3, a positioning ring 29 is mounted on the top surface of the positioning frame 21, and when the positioning frame 21 is mounted in the reinforcing hole 1, the axis of the positioning ring 29 is collinear with the axis of the reinforcing hole 1. The outer diameter of the positioning ring 29 is slightly smaller than the inner diameter of the reinforced steel pipe 3, and a circle of communicating holes 31 are formed in the side wall of the reinforced steel pipe 3. The communication holes 31 are divided into two groups, the heights of the two groups of communication holes 31 are different, the two groups of communication holes 31 are arranged at intervals in sequence, and the intervals between the two adjacent communication holes 31 are equal. When the reinforcing steel pipe 3 is sleeved on the positioning ring 29, the height of the communication holes 31 on the positioning ring 29 is higher than the top surface of the positioning ring 29, and the top surface of the reinforcing steel pipe 3 is lower than the upper end of the reinforcing hole 1. The diameter of the reinforcing cover plate 4 is equal to that of the reinforcing hole 1, and when the reinforcing cover plate 4 is covered on the reinforcing steel pipe 3, the top surface of the reinforcing steel pipe 3 is coplanar with that of the foundation 5. An annular positioning groove 41 is formed in the bottom surface of the reinforcing cover plate 4, the axis of the positioning groove 41 is collinear with the axis of the reinforcing hole 1, the annular width of the positioning groove 41 is larger than the thickness of the side wall of the reinforcing steel pipe 3, and the upper end of the reinforcing steel pipe 3 is embedded in the positioning groove 41.
The implementation principle of the steel pipe pile foundation reinforcement structure provided by the embodiment of the application is as follows: a reinforcing steel pipe 3 is inserted into the reinforcing hole 1 of the foundation 5, and then concrete as a reinforcing slurry is filled into the reinforcing steel pipe 3 and outside the reinforcing steel pipe 3. Consolidate steel pipe 3 stable in structure to under the effect of consolidating the thick liquids, further increase whole intensity of consolidating steel pipe 3, make and consolidate steel pipe 3 and pour into the consolidation thick liquids that consolidate in the hole 1 and link into whole, form the pile foundation structure, bear the load that upper portion transmitted down jointly, the effectual ground storehouse basis of having consolidated, it is effectual to consolidate. When the reinforcing steel pipe 3 is installed, the reinforcing steel pipe 3 can be conveniently installed in the reinforcing hole 1 under the action of the positioning device 2, the position of the reinforcing steel pipe 3 is not prone to shifting, and the reinforcing slurry is conveniently injected into a worker subsequently.
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 (8)
1. The utility model provides a steel-pipe pile foundation reinforcement structure, is including offering reinforcement hole (1) on ground (5), its characterized in that: reinforcing hole (1) in install and consolidate steel pipe (3), the external diameter of consolidating steel pipe (3) is less than the diameter of reinforcing hole (1), all pack in the gap between consolidating steel pipe (3) and reinforcing hole (1) and consolidating steel pipe (3) and consolidate the thick liquids, the length of consolidating steel pipe (3) is less than the degree of depth of reinforcing hole (1), it is equipped with and consolidates apron (4) to consolidate steel pipe (3) upper end cover, the diameter of consolidating apron (4) equals with the diameter of reinforcing hole (1), and the top surface coplane of the top surface of consolidating apron (4) and ground (5).
2. The steel pipe pile foundation reinforcing structure according to claim 1, characterized in that: the bottom surface of the inner side of the reinforcing hole (1) is fixedly provided with a positioning device (2), the positioning device (2) comprises a positioning frame (21) and a positioning ring (29) arranged on the positioning frame (21), the bottom surface of the positioning frame (21) is parallel to the horizontal plane, and the positioning frame (21) is abutted against the inner side wall of the reinforcing hole (1); the outer diameter of the positioning ring (29) is not larger than the inner diameter of the reinforcing steel pipe (3), and the axis of the positioning ring (29) arranged on the positioning frame (21) is collinear with the axis of the reinforcing hole (1).
3. The steel pipe pile foundation reinforcing structure according to claim 2, characterized in that: the positioning frame (21) comprises a positioning rod (22), the positioning rod (22) is divided into a longitudinal rod (221) and a transverse rod (222), at least two longitudinal rods (221) and at least two transverse rods (222) are arranged, and the longitudinal rods (221) are perpendicular to the transverse rods (222).
4. The steel pipe pile foundation reinforcing structure according to claim 3, characterized in that: the end of the positioning rod (22) is provided with a roller (28), the rotation axis of the roller (28) is horizontally arranged and is perpendicular to the axis of the positioning rod (22) connected with the roller (28).
5. The steel pipe pile foundation reinforcing structure according to claim 4, wherein: the end department of locating lever (22) be provided with flexible subassembly, reset assembly and sliding block (25), gyro wheel (28) are installed on sliding block (25), sliding block (25) are installed on flexible subassembly, flexible subassembly can drive sliding block (25) along the axis round trip movement of locating lever (22), reset assembly can promote sliding block (25) and move towards the position department of keeping away from the locating lever (22) other end.
6. The steel pipe pile foundation reinforcing structure according to claim 5, wherein: the telescopic assembly comprises a sliding through groove (23) arranged on the top surface of the positioning rod (22), one end of the sliding through groove (23) is superposed with one end of the positioning rod (22), two inner side walls adjacent to the end surface of the positioning rod (22) in the sliding through groove (23) are respectively provided with a strip hole (24), the central line in the cross section of the strip hole (24) is parallel to the axis of the positioning rod (22), two opposite side surfaces of the sliding block (25) are respectively and fixedly provided with a sliding column (26), the sliding column (26) is embedded in the strip hole (24), and the sliding column (26) can move along the elongated hole (24), the reset assembly comprises a reset spring (27), the reset spring (27) is positioned between the sliding block (25) and the side face, away from the end face of the positioning rod (22), of the sliding through groove (23), and the roller (28) is installed on the side face, opposite to the reset spring (27), in the sliding block (25).
7. The steel pipe pile foundation reinforcing structure according to claim 1, characterized in that: the side wall of the reinforced steel pipe (3) is provided with communicating holes (31), the distance between the communicating holes (31) and the lower end of the reinforced steel pipe (3) is larger than the height of the positioning ring (29), the communicating holes (31) are provided with a circle along the outer side wall of the reinforced steel pipe (3), and in the communicating holes (31), the heights of the two adjacent communicating holes (31) are not equal.
8. The steel pipe pile foundation reinforcing structure according to claim 1, characterized in that: the bottom surface of the reinforcing cover plate (4) is provided with a positioning groove (41), the positioning groove (41) is annular, the annular width of the positioning groove (41) is larger than the thickness of the side wall of the reinforcing steel pipe (3), and when the reinforcing cover plate (4) is covered on the reinforcing steel pipe (3), the upper end of the reinforcing steel pipe (3) is embedded in the positioning groove (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021570276.0U CN212772510U (en) | 2020-07-31 | 2020-07-31 | Steel-pipe pile foundation reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021570276.0U CN212772510U (en) | 2020-07-31 | 2020-07-31 | Steel-pipe pile foundation reinforced structure |
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| Publication Number | Publication Date |
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| CN212772510U true CN212772510U (en) | 2021-03-23 |
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| CN202021570276.0U Active CN212772510U (en) | 2020-07-31 | 2020-07-31 | Steel-pipe pile foundation reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016343A (en) * | 2021-10-12 | 2022-02-08 | 广州市市政工程设计研究总院有限公司 | Soft foundation treatment process for pipe pile composite foundation of low-fill road section |
-
2020
- 2020-07-31 CN CN202021570276.0U patent/CN212772510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016343A (en) * | 2021-10-12 | 2022-02-08 | 广州市市政工程设计研究总院有限公司 | Soft foundation treatment process for pipe pile composite foundation of low-fill road section |
| CN114016343B (en) * | 2021-10-12 | 2022-10-21 | 广州市市政工程设计研究总院有限公司 | Soft foundation treatment process for pipe pile composite foundation of low-fill road section |
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