CN220377275U - Pile side reserved steel bar stab-preventing protection device for steel pipe column construction - Google Patents
Pile side reserved steel bar stab-preventing protection device for steel pipe column construction Download PDFInfo
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- CN220377275U CN220377275U CN202321639223.3U CN202321639223U CN220377275U CN 220377275 U CN220377275 U CN 220377275U CN 202321639223 U CN202321639223 U CN 202321639223U CN 220377275 U CN220377275 U CN 220377275U
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- steel
- pipe column
- steel pipe
- pile
- protection device
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 32
- 239000004567 concrete Substances 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a pile side reserved steel bar stab-preventing protection device for steel pipe column construction, which comprises a bolt welded on the side part of a steel pipe column and a steel bar at the bottom of the column. The steel-pipe column is easy to incline in the construction process of vertically inserting the foundation pile reinforcement cage, the stud is influenced by the reinforcement cage, and the steel-pipe column is difficult to insert into the designed elevation. The utility model can avoid the direct contact between the stud and the reinforcement cage, protect the stud of the steel pipe column from deformation, and timely adjust the verticality of the steel pipe column, so that the subsequent steel pipe column is smoothly inserted into the upright post, and the construction is ensured to be smoothly carried out.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering, and particularly relates to a protection device for preventing stabs of pile-side reserved steel bars for steel pipe column construction.
Background
The steel pipe column has good bearing performance, can effectively reduce the volume of the concrete column at a position with larger stress, and plays a role in bearing and force transmission. However, perpendicularity is difficult to guarantee in the construction process of vertically inserting the steel pipe column into the foundation pile reinforcement cage, repeated debugging is needed, contact between the steel pipe column and the reinforcement cage driven into the upright pile is difficult to avoid, the steel pipe column is easy to clamp, the specified elevation cannot be reached quickly and accurately, the specified elevation cannot be reached even before the initial setting of the bored pile concrete, and the anchoring effect of the steel pipe column and surrounding concrete is affected. Therefore, a protection structure is needed to be designed to facilitate the construction of the steel pipe column.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the protection device for preventing the stabbing of the pile side reserved steel bar for the construction of the steel pipe column, which has simple and reasonable structural design, can effectively avoid the direct contact between the steel pipe column and the steel bar cage, is convenient and rapid to lower to the appointed elevation, has low manufacturing cost and can be popularized and used.
In order to solve the technical problems, the utility model adopts the following technical scheme: a protection device that is used for stake side of steel-pipe column construction to stay reinforcing bar and prevents stabbing, its characterized in that includes drilling bored concrete pile steel reinforcement cage, steel-pipe column, peg and steel reinforcement strip, set up the steel-pipe column in the drilling bored concrete pile steel reinforcement cage, the position equidistance welding multilayer peg ring of drilling bored concrete pile steel reinforcement cage is entered to the periphery of steel-pipe column, and the peg ring comprises the peg that a plurality of equidistances set up, the steel-pipe column lateral wall is by vertical welding steel reinforcement strip on the peg of supreme 3m within range down, steel-pipe column bottom integrated into one piece is provided with closed conical point.
Preferably, the bored pile reinforcement cage is placed in a pile with a bottom beam disposed on the top side of the pile.
Preferably, the steel bars of HPB300 are used as the steel bars, 16 steel bars are used as the steel bars, and the steel bars 3 can effectively avoid the deformation of the bolts caused by the fact that the bolts directly contact with the steel bar cage.
Preferably, the position of the outer periphery side of the steel pipe column above the bolt is connected with a shearing bracket through a reinforcement ring, and a plurality of node stirrups are welded on the periphery side of the shearing bracket in a circumferential direction.
Preferably, the wall thickness of the steel pipe column is 20mm, the bolts are steel bars with the model phi 20@150, and each layer of bolt ring consists of 16 bolts.
Preferably, a ring plate is arranged on the outer side of the steel pipe column above the reinforcing steel bars.
Compared with the prior art, the utility model has the following advantages:
1. the steel pipe pile can avoid direct contact with the reinforcement cage in the descending construction process, protects the steel pipe column studs from deformation, can timely adjust the verticality of the steel pipe column, facilitates the subsequent smooth insertion of the steel pipe column into the upright pile, and ensures the smooth construction.
2. The utility model has simple welding and convenient operation, and can enhance the anchoring effect of the concrete in the steel pipe column and the upright post pile. The adjustment verticality is simple and effective, and the steel pipe column is stable.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals illustrate:
1, a bored pile reinforcement cage; 2-pegs; 3-reinforcing bars;
4-closed cone tip; 5-a ring plate; 6-a reinforcement ring;
7-shearing bracket; 8-node stirrups; 9-a steel pipe column;
10-stand piles; 11-a bottom beam.
Detailed Description
As shown in fig. 1, the utility model comprises a bored pile reinforcement cage 1, a steel pipe column 9, bolts 2 and reinforcement bars 3, wherein the steel pipe column 9 is arranged in the bored pile reinforcement cage 1, a plurality of layers of bolt rings are welded at equal intervals on the periphery side of the steel pipe column 9 in the position of the bored pile reinforcement cage 1, each bolt ring consists of a plurality of bolts 2 which are arranged at equal intervals, the reinforcement bars 3 are vertically welded on the bolts 2 in the range from bottom to top 3m on the side wall of the steel pipe column 9, and a closed taper 4 is integrally formed at the bottom of the steel pipe column 9.
In this embodiment, the bored pile reinforcement cage 1 is placed in a pile 10, and a bottom beam 11 is provided on the top side of the pile 10.
In this embodiment, the steel bars 3 of HPB300 are used, 16 steel bars 3 are used, and the steel bars 3 can effectively prevent the bolt 2 from being deformed by the bolt 2 caused by direct contact with the reinforcement cage 1.
In this embodiment, the position of the outer circumference side of the steel pipe column 9 above the stud 2 is connected with a shearing bracket 7 through a reinforcement ring 6, and 16 node stirrups 8 are welded on the circumference side of the shearing bracket 7 in a circumferential direction.
In this embodiment, the wall thickness of the steel pipe column 9 is 20mm, the steel pipe column 9 is a welded steel pipe of Q345B, the bolts 2 are reinforcing steel bars of Φ20@150 model, and each layer of bolt ring is composed of 16 bolts 2.
In this embodiment, a ring plate 5 is disposed above the steel reinforcement 3 on the outer side of the steel pipe column 9, and the ring plate 5 is close to the top of the steel reinforcement 3.
The construction method of the utility model comprises the following steps:
s1, after the concrete pouring of the upright post pile is completed, a technician pays out the pile position center again, marks the cross line on the pile casing, and simultaneously extends and drives the pile casing in four directions. After checking the pile position, hoisting the HPE hydraulic vertical inserting machine to be in position, adjusting by using an oil cylinder after placing stably, and adjusting the center of the HPE hydraulic vertical sucking machine and the center of the foundation pile position to be on the same vertical line.
S2, before entering construction, leveling and hardening the required part of the construction site. And (3) carrying out replacement and filling treatment on the soft foundation, wherein reinforced concrete is adopted for ground hardening, and a 1cm thick steel plate is added when necessary.
S3, processing and forming the steel pipe column in a factory once, and integrally transporting to the site. And the steel pipe column 9 is hung in an HPE vertical inserting machine, the HPE vertical inserting machine is used for holding the steel pipe column tightly after the steel pipe column is arranged in the lower hole to the top flange, the verticality of the steel pipe column is retested, and the steel pipe column is vertically inserted into the hole after meeting the requirement.
S4, after the steel pipe column 9 is inserted and constructed, after the foundation concrete below the bottom plate is initially set, coarse sand is backfilled between the column pile 10 and the steel pipe column 9, and water is added for compaction.
And S5, after coarse sand backfilling around the steel pipe column 9, ensuring the backfill coarse sand to be deposited for a certain time to fix the center position of the steel pipe column, and entering the next step after the insertion completion time of the steel pipe column 9 reaches 24 hours or according to the laboratory sample-reserving concrete judgment, reaching the solidification requirement.
And S6, after the HPE machine is shifted, pouring C50 self-compacting concrete in the steel pipe column 9. And after the concrete in the steel pipe column 9 reaches initial setting, backfilling coarse sand on the upper opening of the steel pipe column 9, and removing the steel casing.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model. Any simple modification, variation and equivalent variation of the above embodiments according to the technical substance of the utility model still fall within the scope of the technical solution of the utility model.
Claims (4)
1. The utility model provides a protection device that is used for stake side of steel-pipe column construction to keep reinforcing bar to prevent stabbing, its characterized in that, including drilling bored concrete pile steel reinforcement cage (1), steel-pipe column (9), peg (2) and steel reinforcement strip (3), set up steel-pipe column (9) in the drilling bored concrete pile steel reinforcement cage (1), the position equidistance welding multilayer peg ring of the periphery side of steel-pipe column (9) drilling bored concrete pile steel reinforcement cage (1), the peg ring comprises peg (2) that a plurality of equidistances set up, steel-pipe column (9) lateral wall is by vertical welding steel reinforcement strip (3) on peg (2) down supreme within a range, steel-pipe column (9) bottom integrated into one piece is provided with closed conical tip (4), and drilling bored concrete pile steel reinforcement cage (1) are placed in stand stake (10), and the top side of stand stake (10) sets up floorpan (11).
2. The pile side steel bar stab-preventing protection device for steel pipe column construction according to claim 1, characterized in that the position of the outer periphery side of the steel pipe column (9) above the stud (2) is connected with a shearing bracket (7) through a reinforcement ring (6), and a plurality of node stirrups (8) are welded on the periphery side of the shearing bracket (7) in a circumferential direction.
3. The pile-side reserved steel bar stabbing-preventing protection device for steel pipe column construction according to claim 1, characterized in that the wall thickness of the steel pipe column (9) is 20mm, the bolts (2) are steel bars with the model phi 20@150, and each layer of bolt rings consists of 16 bolts (2).
4. The pile-side reserved steel bar stab-preventing protection device for steel pipe column construction according to claim 1, wherein a ring plate (5) is arranged on the outer side of the steel pipe column (9) above the steel bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639223.3U CN220377275U (en) | 2023-06-27 | 2023-06-27 | Pile side reserved steel bar stab-preventing protection device for steel pipe column construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639223.3U CN220377275U (en) | 2023-06-27 | 2023-06-27 | Pile side reserved steel bar stab-preventing protection device for steel pipe column construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220377275U true CN220377275U (en) | 2024-01-23 |
Family
ID=89571838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321639223.3U Active CN220377275U (en) | 2023-06-27 | 2023-06-27 | Pile side reserved steel bar stab-preventing protection device for steel pipe column construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220377275U (en) |
-
2023
- 2023-06-27 CN CN202321639223.3U patent/CN220377275U/en active Active
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