CN220521749U - Concrete filled steel tubular column structure - Google Patents
Concrete filled steel tubular column structure Download PDFInfo
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- CN220521749U CN220521749U CN202321985232.8U CN202321985232U CN220521749U CN 220521749 U CN220521749 U CN 220521749U CN 202321985232 U CN202321985232 U CN 202321985232U CN 220521749 U CN220521749 U CN 220521749U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 90
- 239000010959 steel Substances 0.000 title claims abstract description 90
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 74
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides a concrete filled steel tubular column structure which comprises a rectangular steel tube, wherein the rectangular steel tube is of a hollow structure with a containing cavity, a reinforcing inner tube is arranged in the containing cavity of the rectangular steel tube, and a plurality of reinforcing parts are arranged in the reinforcing inner tube at intervals along the axial direction of the reinforcing inner tube. According to the concrete filled steel tube column structure, the reinforced inner tube is additionally arranged in the rectangular steel tube, the reinforced inner tube is clamped and fixed through the clamping seat and the clamping block, the inner structure of the reinforced inner tube is reinforced by the reinforcing part in the reinforced inner tube, so that the reinforced inner tube can bear larger strength, the reinforced inner tube is internally provided with the plurality of transverse net structures, and the adjacent transverse net structures are connected through the reinforcing part and are connected through the transverse net structures with gaps and the reinforcing part, so that the net fixing effect on concrete is realized, the constraint effect on all directions of the concrete is enhanced, and the bearing capacity of the whole concrete filled steel tube column is more effectively improved while cracking deformation is prevented.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a concrete filled steel tubular column structure.
Background
The concrete-filled steel tube column is a novel and efficient combined member developed in recent years, and consists of a steel tube and concrete in the steel tube. By the combined action, the steel pipe concrete can fully exert the material properties of both steel and concrete. Besides directly bearing external load, the steel tube in the steel tube concrete column can also provide lateral constraint for concrete in the steel tube, so that the concrete in the steel tube is in a three-way compression stress state, and the compressive strength and the deformability of the concrete are improved. The internally filled concrete can also provide lateral support for the steel pipe, enhance the local stability of the steel pipe, avoid or delay the local buckling of the steel pipe, and fully exert the performance of the steel pipe.
The current concrete filled steel tubular column forms comprise rectangular concrete filled steel tubular columns, circular concrete filled steel tubular columns, polygonal concrete filled steel tubular columns and the like. The rectangular steel pipe concrete column has the characteristics of high axial rigidity, high bearing capacity, good ductility and stability, relatively convenient component connection, relatively simple node form, flexible building arrangement and the like, and is widely applied to high-rise and super-high-rise buildings, but the constraint effect of steel pipes in the rectangular steel pipe concrete column on concrete is poor, and when the steel pipe combination is installed, the internal strength of the rectangular steel pipe concrete column is low, and the compression resistance effect is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a concrete filled steel tubular column structure to solve the technical problems that in the related art, the constraint effect of a steel tube in a rectangular concrete filled steel tubular column on concrete is poor, and when a steel tube combination is installed, the internal strength of the steel tube combination is low and the compression resistance effect is poor.
The utility model provides a concrete filled steel tubular column structure which comprises a rectangular steel tube, wherein the rectangular steel tube is of a hollow structure with a containing cavity, a reinforcing inner tube is arranged in the containing cavity of the rectangular steel tube, and a plurality of reinforcing parts are arranged in the reinforcing inner tube at intervals along the axial direction of the reinforcing inner tube.
Further, a clamping seat is arranged on the inner wall of the rectangular steel pipe, a clamping groove is concavely formed on one side of the inner wall, far away from the rectangular steel pipe, of the clamping seat, and a clamping block matched with the clamping groove is arranged on the outer wall of the reinforced inner pipe, so that the reinforced inner pipe is fixed in the accommodating cavity of the rectangular steel pipe.
Further, the number of the clamping seats is multiple, the clamping seats are distributed in a central symmetry mode along the circumferential direction of the rectangular steel pipe, the number of the clamping blocks corresponds to the number of the clamping seats, and the clamping blocks are uniformly distributed on the outer circumferential surface of the reinforced inner pipe.
Further, the clamping seats are arranged at intervals along the length direction of the rectangular steel pipe, the number of the clamping blocks corresponds to that of the clamping seats, and the clamping blocks are arranged at intervals along the axial direction of the reinforced inner pipe.
Further, the reinforcing part comprises a reinforcing transverse rib and a reinforcing longitudinal rib, the reinforcing transverse rib and the reinforcing longitudinal rib are arranged in an intersecting mode, and two ends of the reinforcing transverse rib and two ends of the reinforcing longitudinal rib are respectively fixed on the inner wall of the reinforcing inner tube.
Further, the reinforcing transverse ribs and the reinforcing longitudinal ribs are mutually perpendicular so that the reinforcing part is in a cross structure.
Further, a plurality of transverse net structures are arranged in the reinforced inner tube along the axial direction of the reinforced inner tube, and two adjacent transverse net structures are connected through the reinforced part.
Compared with the prior art, the utility model has the following beneficial effects:
according to the concrete filled steel tube column structure, the reinforced inner tube is additionally arranged in the rectangular steel tube, the reinforced inner tube is clamped and fixed through the clamping seat and the clamping block, the inner structure of the reinforced inner tube is reinforced by the reinforcing part in the reinforced inner tube, so that the reinforced inner tube can bear larger strength, the reinforced inner tube is internally provided with the plurality of transverse net structures, and the adjacent transverse net structures are connected through the reinforcing part and are connected through the transverse net structures with gaps and the reinforcing part, so that the net fixing effect on concrete is realized, the constraint effect on all directions of the concrete is enhanced, and the bearing capacity of the whole concrete filled steel tube column is more effectively improved while cracking deformation is prevented.
According to the concrete filled steel tubular column structure, when external force is extruded on the rectangular steel tube, the external force presses the wall of the rectangular steel tube, then pressure is conducted to the reinforced inner tube through the clamping seat and the clamping block, then the reinforced inner tube conducts the pressure to the reinforced part, the reinforced inner tube resists external pressure through the reinforced part, deformation of the reinforced inner tube is prevented, and therefore the wall of the rectangular steel tube is prevented from being broken due to the fact that the rectangular steel tube is bent by the external force, and the use stability is improved.
Drawings
FIG. 1 is a schematic view of a concrete filled steel tubular column according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing the structure of a concrete filled steel tubular column according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
reference numerals illustrate:
rectangular steel pipe 1, reinforcing inner pipe 2, clamping seat 3, clamping groove 31, clamping block 4, reinforcing part 5, reinforcing transverse rib 51, reinforcing longitudinal rib 52 and transverse net structure 6.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, the technical solutions of the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, the structures, proportions, sizes, etc. shown in the drawings attached to the present utility model are merely used in conjunction with the disclosure of the present utility model, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of the proportions, or adjustment of the sizes, without affecting the efficacy and achievement of the present utility model, should fall within the scope of the disclosure of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
As shown in fig. 1 to 3, an embodiment of the present utility model provides a concrete filled steel tubular column structure, which comprises a rectangular steel tube 1, wherein the rectangular steel tube 1 is a hollow structure with a receiving cavity, a reinforced inner tube 2 is arranged in the receiving cavity of the rectangular steel tube 1, and a plurality of reinforcing parts 5 are arranged in the reinforced inner tube 2 at intervals along the axial direction thereof.
According to the concrete filled steel tube column structure provided by the embodiment of the utility model, the reinforced inner tube 2 is additionally arranged in the rectangular steel tube 1, and the inner structure of the reinforced inner tube 2 is reinforced by the reinforcing part 5 in the reinforced inner tube 2, so that the concrete filled steel tube column can bear larger strength, prevent cracking and deformation, and simultaneously more effectively improve the bearing capacity of the whole concrete filled steel tube column.
As shown in fig. 2-3, in this embodiment, a clamping seat 3 is disposed on an inner wall of the rectangular steel pipe 1, a clamping groove 31 is concavely formed on a side of the clamping seat 3 away from the inner wall of the rectangular steel pipe 1, and a clamping block 4 matched with the clamping groove 31 is disposed on an outer wall of the reinforced inner pipe 2, so that the reinforced inner pipe 2 is fixed in the accommodating cavity of the rectangular steel pipe 1.
Based on the above further improvement, as shown in fig. 2-3, in this embodiment, the number of the clamping seats 3 is multiple, and multiple clamping seats 3 are distributed in a central symmetry manner along the circumferential direction of the rectangular steel pipe 1, where the number of the clamping seats 3 is four and are respectively disposed on four inner walls of the rectangular steel pipe 1, the number of the clamping blocks 4 corresponds to the number of the clamping seats 3, and multiple clamping blocks 4 are uniformly distributed on the outer circumferential surface of the reinforced inner pipe 2, so that rapid installation is facilitated through the clamping seats 3 and the clamping blocks 4, and practicality is improved.
Based on the above further improvement, as shown in fig. 3, in this embodiment, the clamping seat 3 is provided with a plurality of clamping blocks 4 along the length direction of the rectangular steel pipe 1 at intervals, the number of the clamping blocks 4 corresponds to the number of the clamping seats 3, a plurality of clamping blocks 4 are provided along the axial direction of the reinforced inner pipe 2 at intervals, and the clamping seat 3 and the clamping blocks 4 are welded on the rectangular steel pipe 1 and the reinforced inner pipe 2 respectively, and meanwhile, in order to further increase the supporting strength of the rectangular steel pipe 1, after the clamping seat 3 and the clamping blocks 4 are clamped, the connecting positions of the clamping blocks are welded, so that the connecting strength of the clamping blocks is further increased.
As shown in fig. 1-2, in the present embodiment, the reinforcement 5 includes a reinforcing rib 51 and a reinforcing longitudinal rib 52, and the reinforcing rib 51 and the reinforcing longitudinal rib 52 may be a reinforcing rib and a reinforcing longitudinal rib or a reinforcing rib and a reinforcing longitudinal rib, preferably a reinforcing rib and a reinforcing longitudinal rib; the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 are arranged in an intersecting manner, both ends of the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 are respectively fixed on the inner wall of the reinforcing inner tube 2, and four contact points of the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 and the reinforcing inner tube 2 are fixed by welding; further, the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 are perpendicular to each other, so that the reinforcing portion 5 is in a cross structure, the perpendicular intersections of the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 are fixed by welding, and after the fixing is completed, the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 form an integral structural member, so that the strength is reinforced by the reinforcing transverse ribs 51 and the reinforcing longitudinal ribs 52 in the reinforcing inner tube 2, the rigidity of the steel tube is increased, the problem of local distortion or stress concentration is not easy to occur, and the self shock resistance is also greatly enhanced.
Based on the above further improvement, as shown in fig. 4, in this embodiment, a plurality of transverse reticular structures 6 are disposed in the reinforced inner tube 2 along the axial direction thereof, two adjacent transverse reticular structures 6 are connected through the reinforcing portion 5, and the structure that the transverse reticular structures 6 with gaps are connected with the reinforcing portion 5 is adopted, so that the net-fixing effect on concrete is achieved, the constraint effect on each direction of the concrete is enhanced, and the bearing capacity of the whole concrete-filled steel tube column is more effectively improved while cracking deformation is prevented.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. The utility model provides a steel core concrete column structure, includes the rectangle steel pipe, the rectangle steel pipe is for having the hollow structure who holds the chamber, its characterized in that, the intracavity that holds of rectangle steel pipe is provided with the enhancement inner tube, be provided with a plurality of reinforcements along its axial direction interval in the enhancement inner tube.
2. The concrete filled steel tubular column structure according to claim 1, wherein a clamping seat is arranged on the inner wall of the rectangular steel tube, a clamping groove is concavely formed on one side, far away from the inner wall of the rectangular steel tube, of the clamping seat, and a clamping block matched with the clamping groove is arranged on the outer wall of the reinforced inner tube, so that the reinforced inner tube is fixed in the accommodating cavity of the rectangular steel tube.
3. The concrete filled steel tubular column structure according to claim 2, wherein the number of the clamping seats is a plurality, the clamping seats are distributed in a central symmetry manner along the circumferential direction of the rectangular steel tube, the number of the clamping blocks corresponds to the number of the clamping seats, and the clamping blocks are uniformly distributed on the outer circumferential surface of the reinforced inner tube.
4. The concrete filled steel tubular column structure according to claim 2, wherein a plurality of clamping blocks are arranged at intervals along the length direction of the rectangular steel tube, the number of the clamping blocks corresponds to that of the clamping blocks, and the plurality of clamping blocks are arranged at intervals along the axial direction of the reinforced inner tube.
5. A concrete filled steel tubular column structure according to claim 1, wherein said reinforcing portion comprises a reinforcing cross rib and a reinforcing longitudinal rib, said reinforcing cross rib and said reinforcing longitudinal rib are disposed so as to intersect, and both ends of said reinforcing cross rib and said reinforcing longitudinal rib are respectively fixed to the inner wall of said reinforcing inner pipe.
6. A concrete filled steel tubular column structure as recited in claim 5, wherein said reinforcing transverse ribs and said reinforcing longitudinal ribs are disposed perpendicular to each other such that said reinforcing portion has a cross-like configuration.
7. A concrete filled steel tubular column structure according to any one of claims 1 to 6, wherein a plurality of transverse net structures are provided in said reinforcing inner tube in the axial direction thereof, and adjacent two of said transverse net structures are connected by said reinforcing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985232.8U CN220521749U (en) | 2023-07-26 | 2023-07-26 | Concrete filled steel tubular column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985232.8U CN220521749U (en) | 2023-07-26 | 2023-07-26 | Concrete filled steel tubular column structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220521749U true CN220521749U (en) | 2024-02-23 |
Family
ID=89922820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321985232.8U Active CN220521749U (en) | 2023-07-26 | 2023-07-26 | Concrete filled steel tubular column structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220521749U (en) |
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2023
- 2023-07-26 CN CN202321985232.8U patent/CN220521749U/en active Active
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