CN215759662U - Steel-pipe column and steel reinforcement cage connection structure - Google Patents
Steel-pipe column and steel reinforcement cage connection structure Download PDFInfo
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- CN215759662U CN215759662U CN202121822875.1U CN202121822875U CN215759662U CN 215759662 U CN215759662 U CN 215759662U CN 202121822875 U CN202121822875 U CN 202121822875U CN 215759662 U CN215759662 U CN 215759662U
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Abstract
The utility model provides a connecting structure of a steel pipe column and a steel reinforcement cage, which comprises the steel pipe column and the steel reinforcement cage, wherein the steel pipe column extends into the steel reinforcement cage for a certain distance, a plurality of connecting pieces are connected between the steel reinforcement cage and the steel pipe column, and a plurality of studs are arranged on the outer wall of the steel pipe column extending into the steel reinforcement cage along the circumferential direction. The utility model can improve the connection strength, improve the reliability and reduce the potential safety hazard.
Description
Technical Field
The utility model relates to the technical field of steel pipe columns, in particular to a connecting structure of a steel pipe column and a reinforcement cage.
Background
The uplift pile is an anti-floating component which is most widely applied to the foundation of an underground building. The steel pipe column structure has the characteristics of rapid assembly and good bearing performance. In the construction of a large-span underground structure, an uplift pile and a steel pipe column are combined (a reinforcement cage is arranged in the uplift pile and actually is the combination of the reinforcement cage and the steel pipe column), and high-strength concrete is poured into the steel pipe column, so that the volume of the concrete column can be effectively reduced at a position with larger stress, and the effects of anti-floating, bearing and force transmission can be achieved, therefore, the construction of a covered and excavated subway station is widely developed and applied.
At present, the connection structure of the existing steel pipe column and the steel reinforcement cage is low in connection strength, poor in reliability and prone to certain potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting structure of a steel pipe column and a steel reinforcement cage, which improves the connecting strength, improves the reliability and reduces the potential safety hazard.
The embodiment of the utility model is realized by the following technical scheme:
the utility model provides a steel-pipe column and steel reinforcement cage connection structure, includes steel-pipe column and steel reinforcement cage, the steel-pipe column stretches into the inside certain distance of steel reinforcement cage, the steel reinforcement cage with be connected with a plurality of connecting pieces between the steel-pipe column, the steel-pipe column stretches into the inside outer wall of steel reinforcement cage and is equipped with a plurality of pegs along the circumferencial direction.
Optionally, the steel reinforcement cage includes a plurality of muscle of indulging that are the annular array and arrange, the inboard of indulging the muscle is equipped with a plurality of hoops of putting more energy into along axial interval, the outside of indulging the muscle is equipped with spiral hoop.
Optionally, the steel pipe column includes a plurality of pipe joints, and the plurality of pipe joints are connected in sequence by flanges.
Optionally, the side wall of the pipe section is provided with at least one pair of lifting lugs.
Optionally, the connecting piece includes two connecting portions and a transition portion disposed between the two connecting portions, one of the connecting portions is connected to the steel pipe column, and the other connecting portion is connected to the reinforcement cage.
Optionally, a protective layer cushion block is arranged on the outer side of the steel reinforcement cage.
Optionally, the protective layer cushion block comprises a flat arch section and connecting sections arranged at two ends of the flat arch section, and the connecting sections are connected with the outer side of the steel reinforcement cage.
Optionally, a ring plate is arranged on the outer edge of the end face of one end, extending into the steel reinforcement cage, of the steel pipe column.
Optionally, a first baffle is arranged at the top end of the reinforcement cage.
Optionally, the surface of the first baffle is provided with a plurality of through holes.
The utility model has at least the following advantages and beneficial effects: according to the utility model, the connecting pieces are connected between the steel reinforcement cage and the steel pipe column, so that the connecting strength between the steel reinforcement cage and the steel pipe column is improved, meanwhile, the plurality of studs are arranged on the outer wall of the steel pipe column extending into the steel reinforcement cage along the circumferential direction, and the studs ensure that the part of the steel pipe column extending into the steel reinforcement cage is more compact with the concrete after the concrete is subsequently poured into the steel pipe column, so that the connection is more reliable, the reliability of the connecting structure is greatly improved, and the potential safety hazard is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a sectional view of a steel pipe column and steel reinforcement cage connection structure according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a front view of the connector;
FIG. 4 is a schematic view of the connection of the protective layer spacer to the reinforcement cage;
icon: 100-steel pipe column, 110-pipe joint, 111-flange, 112-lifting lug, 200-steel reinforcement cage, 210-longitudinal rib, 220-stiffening hoop, 230-spiral hoop, 300-connecting piece, 310-transition part, 320-connecting part, 400-stud, 500-ring plate, 600-protective layer cushion block, 610-flat arch section, 620-connecting section, 700-first baffle plate and 800-second baffle plate.
Detailed Description
Referring to fig. 1 to 4, a steel pipe column and steel reinforcement cage connection structure includes a steel pipe column 100 and a steel reinforcement cage 200, where the steel pipe column 100 includes a plurality of pipe joints 110, each pipe joint 110 of this embodiment has a length of 12m, a diameter of 800mm, and a thickness of 20mm, the pipe joints 110 are connected in sequence by flanges 111, and the steel pipe column 100 extends into the steel reinforcement cage 200 by a certain distance, which is 3.5 m.
At least one pair of lifting lugs 112 are arranged on the side wall of the pipe joint 110, and because the integral rigidity of the pipe joint 110 is high, no reinforcing measures need to be taken during hoisting, only one pair of symmetrically arranged lifting lugs 112 is arranged in the embodiment, and except that the lifting lugs 112 on the topmost pipe joint 110 are flush with the top of the pipe joint 110, the rest lifting lugs 112 are arranged 1m below the flange 111.
The outer wall of the steel pipe column 100 extending into the steel reinforcement cage 200 is provided with a plurality of pegs 400 along the circumferential direction, the length of each peg 400 is 80mm, the diameter of each peg 400 is 19mm, 16 pegs are arranged in a circle, and the axial distance is 200 mm; after the stud 400 ensures that the concrete is poured subsequently, the part of the steel pipe column 100 extending into the reinforcement cage 200 is closer to the concrete, the connection is more reliable, the reliability of the connection structure is greatly improved, and the potential safety hazard is reduced.
The outer edge of the end face of one end, extending into the interior of the steel reinforcement cage 200, of the steel pipe column 100 is provided with the annular plate 500 made of stainless steel, and after concrete is poured subsequently, the contact area of the annular plate 500 can be increased, and the stability is improved.
The steel pipe column 100 is made by rolling up qualified steel plates on a numerical control machine tool, after the pipe joint 110 is formed, the longitudinal joint and the circumferential joint of the pipe joint 110 are welded by carbon dioxide gas shielded welding, the strength of the welding joint is not lower than that of a pipe, and the quality of the welding joint meets a first-level standard. And (3) the steel pipe column 100 is required to be inspected and accepted by a joint supervision unit to a steel pipe column 100 processing factory before arriving at the site, and the inspection and acceptance contents comprise the contents of column body size, steel pipe perpendicularity, flange 111 splicing gaps, welding quality and the like, and are simultaneously assembled in a test mode. After the components are qualified, removing rust and coating an anti-corrosion coating on the other parts except the two sides of the connecting friction surface of the steel pipe column 100, the stud 400 and the high-strength bolt by 50-100mm respectively, wherein the anti-corrosion coating is an epoxy coating, and the coating is performed twice with each path being 70 mu m by adopting epoxy zinc-rich coating during construction.
The reinforcement cage 200 comprises a plurality of longitudinal ribs 210 which are arranged in an annular array, the longitudinal ribs 210 are arranged in a through length mode and are triangular ribs, one row of the longitudinal ribs are made of raw materials, two rows of the longitudinal ribs are connected through straight thread sleeves, and the percentage of lap joints of the longitudinal ribs 210 in the same section is not more than 50%; a plurality of stiffening hoops 220 are axially arranged on the inner side of the longitudinal rib 210 at intervals, a spiral hoop 230 is arranged on the outer side of the longitudinal rib 210, the longitudinal rib 210 and the stiffening hoops 220 adopt HRB 400-grade steel bars, and the spiral hoop 230 adopts HPB 300-grade steel bars; the joints of the longitudinal ribs 210 and the stiffening hoops 220 and the joints of the longitudinal ribs 210 and the spiral hoops 230 should be welded firmly.
The outer side of the reinforcement cage 200 is provided with a protective layer cushion block 600 (not shown in fig. 1, please refer to fig. 4), the protective layer is made by bending the reinforcement, the protective layer cushion block 600 includes a flat arch section 610 and a connecting section 620 arranged at two ends of the flat arch section 610, the connecting section 620 is connected with the outer side of the reinforcement cage 200, specifically, the connecting section 620 is welded on the longitudinal bar 210, and the vertical distance between the flat arch section 610 and the connecting section 620 is determined by the thickness of the required reinforcement protective layer, so as to ensure the thickness of the reinforcement protective layer.
A plurality of connecting pieces 300 are connected between the reinforcement cage 200 and the steel pipe column 100, the connecting pieces 300 are also made by bending steel bars, and the whole connecting piece 300 can be Z-shaped or C12 steel bars; specifically, the connector 300 includes two connecting portions 320 and a transition portion 310 disposed between the two connecting portions 320, one of the connecting portions 320 is connected to the steel pipe column 100, the other connecting portion 320 is connected to the reinforcement cage 200, the reinforcement cage 200 and the steel pipe column 100 are welded together by the disposed connector 300, in addition, the connector 300 is a flexible member, the connector 300 is made of a wire rod with a diameter of 8mm, it is worth explaining that the connector 300 is disposed as a flexible member, so that the reinforcement cage 200 and the steel pipe column 100 are flexibly connected, the connection strength between the reinforcement cage 200 and the steel pipe column 100 can be improved, and meanwhile, the deviation caused by the conventional rigid connection of the reinforcement cage 200 can be eliminated by using the self weight of the steel pipe column 100.
The top of steel reinforcement cage 200 is equipped with first baffle 700, and the surface of first baffle 700 is equipped with a plurality of through-holes, and the diameter of through-hole is 2cm, and first baffle 700 can prevent to pour into concrete in the steel-pipe column 100 in the concrete in steel reinforcement cage 200 along with rising.
Upward certain distance (this distance is confirmed according to the elevation, this distance is 1m) department apart from the top of steel reinforcement cage 200 on steel-pipe column 100 still is equipped with second baffle 800, and second baffle 800 also is equipped with a plurality of through-holes, and second baffle 800 can prevent to continue to turn up after basic concrete reachs the elevation when follow-up pouring concrete.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel-pipe column and steel reinforcement cage connection structure, includes steel-pipe column (100) and steel reinforcement cage (200), steel-pipe column (100) stretch into the inside certain distance of steel reinforcement cage (200), its characterized in that: a plurality of connecting pieces (300) are connected between the steel reinforcement cage (200) and the steel pipe column (100), and a plurality of studs (400) are arranged on the outer wall, extending into the steel reinforcement cage (200), of the steel pipe column (100) in the circumferential direction.
2. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: reinforcement cage (200) are including being a plurality of muscle (210) of indulging that the annular array arranged, the inboard of indulging muscle (210) is equipped with a plurality of hoops of putting more energy into (220) along the axial interval, the outside of indulging muscle (210) is equipped with spiral hoop (230).
3. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: the steel pipe column (100) comprises a plurality of pipe joints (110), and the pipe joints (110) are connected through flanges (111) in sequence.
4. The steel pipe column and steel reinforcement cage connection structure of claim 3, wherein: the side wall of the pipe joint (110) is provided with at least one pair of lifting lugs (112).
5. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: the connecting piece (300) comprises two connecting parts (320) and a transition part (310) arranged between the two connecting parts (320), wherein one connecting part (320) is connected with the steel pipe column (100), and the other connecting part (320) is connected with the reinforcement cage (200).
6. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: and a protective layer cushion block (600) is arranged on the outer side of the steel reinforcement cage (200).
7. The steel pipe column and steel reinforcement cage connection structure of claim 6, wherein: the protective layer cushion block (600) comprises a flat arch section (610) and connecting sections (620) arranged at two ends of the flat arch section (610), wherein the connecting sections (620) are connected with the outer side of the steel reinforcement cage (200).
8. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: and a ring plate (500) is arranged on the outer edge of the end face of one end, extending into the steel reinforcement cage (200), of the steel pipe column (100).
9. The steel pipe column and steel reinforcement cage connecting structure according to claim 1, wherein: the top end of the reinforcement cage (200) is provided with a first baffle (700).
10. The steel pipe column and steel reinforcement cage connecting structure of claim 9, wherein: the surface of the first baffle (700) is provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822875.1U CN215759662U (en) | 2021-08-05 | 2021-08-05 | Steel-pipe column and steel reinforcement cage connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822875.1U CN215759662U (en) | 2021-08-05 | 2021-08-05 | Steel-pipe column and steel reinforcement cage connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759662U true CN215759662U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121822875.1U Active CN215759662U (en) | 2021-08-05 | 2021-08-05 | Steel-pipe column and steel reinforcement cage connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759662U (en) |
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2021
- 2021-08-05 CN CN202121822875.1U patent/CN215759662U/en active Active
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