CN214884823U

CN214884823U - Assembled concrete-filled steel tube combination column and assembled roof structure

Info

Publication number: CN214884823U
Application number: CN202121247311.XU
Authority: CN
Inventors: 杨文清
Original assignee: Chengdu Fengzhuang Steel Structure Group Co ltd
Current assignee: Chengdu Fengzhuang Steel Structure Group Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-26
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses an assembled concrete-filled steel tube combination column and an assembled roof structure, wherein the assembled concrete-filled steel tube combination column comprises a steel tube, a pipeline and a connecting steel plate; the two connecting steel plates are symmetrically arranged on the side wall of the steel pipe, the plane of the connecting steel plate is parallel to the axis of the steel pipe, and the end parts of the connecting steel plates are provided with threaded through holes; the pipelines are positioned in the steel pipe, and concrete is filled in the space between the pipelines and the steel pipe. The fabricated roof structure comprises a honeycomb fabricated steel structure floor and roof board and the fabricated concrete-filled steel tube combination column. The utility model discloses a component kind is only two kinds, and the degree of difficulty and the work load of making in the mill are showing and are reducing, and the quality also can obtain better assurance. Because at the job site, there is not any welding work volume, so the construction progress compares and has the answer promotion of current assembled steel structure. The fire resistance is also remarkably improved compared with the general fabricated steel structural member, and is basically equivalent to a concrete structure.

Description

Assembled concrete-filled steel tube combination column and assembled roof structure

Technical Field

The utility model relates to an assembled steel construction building technical field especially relates to an assembled steel core concrete combination post and assembled roofing structure.

Background

The prefabricated steel structure building has flexible spatial arrangement, can realize the industrialization and the industrialization of house construction, has short construction period, has no cast-in-situ node brick concrete and concrete structures, has lighter self weight and faster installation speed than a prefabricated concrete structure. The steel structure is ductile material, and relatively, the shock resistance is better.

However, the construction method of the assembled steel structure wall and the assembled steel structure column in the prior art also has the defects of complex structure, excessive component types, overlarge node welding workload, weaker fireproof performance than that of an assembled concrete structure, lower wind resistance and shear resistance, difficulty in being used for high-rise and ultra-high-rise assembled buildings and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides an assembled steel pipe concrete combination column and assembled roofing structure to there is the structure complicacy in the construction method of solving among the prior art assembled steel construction wall body and post, the component kind is too much, node welding work volume is too big, and fire behavior is weaker than assembled concrete structure, and anti-wind, the shear behavior is lower in addition, is difficult to be used for the problem of defects such as high-rise super high-rise assembled building.

The utility model adopts the technical proposal that: an assembled concrete-filled steel tube combination column comprises a steel tube, a pipeline and a connecting steel plate;

the two connecting steel plates are symmetrically arranged on the side wall of the steel pipe, the plane where the connecting steel plates are located is parallel to the axis of the steel pipe, and threaded through holes are formed in the end parts of the connecting steel plates;

the plurality of pipelines are positioned in the steel pipe and used for wiring, water running, air supply and/or ventilation, and concrete is filled in the space between the pipelines and the steel pipe.

Preferably, the steel pipe is a square steel pipe.

Preferably, the connection steel plates are welded to the side walls of the square steel pipes, or each connection steel plate is fixed to the side walls of the square steel pipes through two L-shaped connection plates by using bolts.

Preferably, the steel pipe is a circular steel pipe or a polygonal steel pipe.

The utility model also provides an assembled roof structure, which comprises a honeycomb type assembled steel structure floor panel and the assembled steel pipe concrete combined column;

the honeycomb type assembled steel structure floor and roof panel comprises a side plate, a honeycomb steel structure plate and a bolt;

the cross section of the honeycomb steel structure plate is in an omega shape, and threaded through holes are formed in the two sides and the middle of the honeycomb steel structure plate;

the honeycomb steel structure plates are connected end to end and connected through bolts, two honeycomb steel structure plates with the middle parts mutually contacted are also connected through bolts to form a honeycomb steel structure assembly, and the honeycomb steel structure assembly is connected on the side plate through bolts to form the honeycomb type assembled steel structure floor panel;

and the two connecting steel plates of the assembled concrete-filled steel tube combined column are connected to the honeycomb steel structure assembly through bolts.

The utility model has the advantages that:

1. in the existing assembled steel structure, the specification and the model of various steel structural components exceed 60, the structure is complex, the production and the manufacture are difficult, and the quality is difficult to control. The utility model discloses a component kind is only two kinds, and the degree of difficulty and the work load of making in the mill are showing and are reducing, and the quality also can obtain better assurance.

2. The utility model discloses an assembled roofing structure is because of at the job site, does not have any weldment work volume, so the construction progress is compared and is responded in current assembled steel construction and promote.

3. The utility model discloses unique assembled steel pipe concrete combination column, its fire resistance is compared and is also showing the improvement in general assembled steel structural component, and is equivalent with concrete structure basically.

4. The utility model discloses a after pouring into the concrete in the steel pipe, its performance that shears, anti-wind, resistance to compression promotes by a wide margin. After the honeycomb type assembled steel structure floor and roof panel is combined to form a whole, the wind resistance and shear resistance of the honeycomb type assembled steel structure floor and roof panel are greatly improved, and the honeycomb type assembled steel structure floor and roof panel can replace shear walls and frames of existing high-rise buildings and concrete inner cylinder structural forms in super high-rise buildings, so that the construction progress is faster, and the construction cost is lower.

Drawings

Fig. 1 is a cross-sectional view of the assembled concrete filled steel tube composite column disclosed by the utility model.

Fig. 2 is yet another cross-sectional view of the assembled concrete filled steel tube composite column of the present disclosure.

Fig. 3 is the utility model discloses an assembled roofing structure schematic.

Fig. 4 is a schematic structural diagram of the honeycomb steel structural plate disclosed by the present invention.

Reference numerals: 1. assembling steel pipe concrete composite columns; 11. a steel pipe; 12. a pipeline; 13. connecting steel plates; 14. concrete; 15. an L-shaped connecting plate; 2. honeycomb type assembled steel structure floor and roof panels; 21. a side plate; 22. a honeycomb steel structural panel; 23. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example 1:

referring to fig. 1-2, an assembled concrete filled steel tube composite column 1 includes a steel tube 11, a pipeline 12, and a connecting steel plate 13.

The two connecting steel plates 13 are symmetrically arranged on the side wall of the steel pipe 11, the plane of the connecting steel plate 13 is parallel to the axis of the steel pipe 11, and the end parts of the connecting steel plates 13 are provided with threaded through holes.

A plurality of pipes 12 are located within the steel pipe 11 for routing, running water, supplying air and/or ventilating, and the space between the pipes 12 and the steel pipe 11 is filled with concrete 14.

Specifically, the steel pipe 11 is a square steel pipe. The connecting steel plate 13 is welded on the side wall of the square steel pipe, or as shown in fig. 2, each connecting steel plate 13 is fixed on the side wall of the square steel pipe through two L-shaped connecting plates 15 by using bolts, and the L-shaped connecting plates 15 are adopted, so that the steel pipe 11 is more convenient to transport, and the collision damage caused by the direct welding of the connecting steel plate 13 on the steel pipe 1 is avoided.

Further, the steel pipe 11 may be a circular steel pipe or a polygonal steel pipe.

Example 2

Referring to fig. 3-4, an assembled roof structure includes a honeycomb-type assembled steel structure floor panel 2, and the assembled steel tube concrete composite column 1 described above.

Honeycomb type fabricated steel structural floor and roof panels 2 include edge plates 21, honeycomb steel structural plates 22, and bolts 23.

Specifically, the structure of the honeycomb steel structure plate 22 is as shown in fig. 4, the cross section of the honeycomb steel structure plate 22 is in an omega shape, and both sides and the middle of the honeycomb steel structure plate 22 are provided with threaded through holes.

A plurality of honeycomb steel structure boards 22 end to end and pass through bolt 23 and connect, also pass through bolt 23 between two (two back to back promptly) honeycomb steel structure boards 22 of middle part mutual contact and connect to form honeycomb steel structure subassembly, honeycomb steel structure subassembly passes through bolt 23 to be connected and forms honeycomb type assembled steel structure floor and roof board 2 on the sideboard. In other embodiments, the honeycomb steel structure plate 22 is a corrugated steel plate structure, and a plurality of corrugated steel plates are arranged side by side to form a honeycomb steel structure assembly.

Two connecting steel plates 13 of the assembled steel tube concrete composite column 1 are connected to the honeycomb steel structure assembly through bolts 23, specifically, as shown in fig. 3, bolt through holes on the connecting steel plates 13 are opposite to bolt through holes at two ends of the honeycomb steel structure plates 22 which are mutually overlapped, and the bolts 23 firstly pass through threaded through holes at the edges of two layers of the honeycomb steel structure plates 22, then pass through threaded through holes on the connecting steel plates 13, and finally pass through threaded through holes at the edges of the other two layers of the honeycomb steel structure plates 22.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An assembled concrete-filled steel tube combination column is characterized by comprising a steel tube, a pipeline and a connecting steel plate;

2. The fabricated concrete-filled steel tube composite column according to claim 1, wherein the steel tube is a square steel tube.

3. The fabricated concrete-filled steel tube composite column according to claim 2, wherein the connection steel plates are welded to the sidewalls of the square steel tube, or each of the connection steel plates is fixed to the sidewalls of the square steel tube by two L-shaped connection plates using bolts.

4. The fabricated concrete-filled steel tube composite column according to claim 1, wherein the steel tube is a circular steel tube or a polygonal steel tube.

5. An assembled roofing structure comprising a honeycomb-type assembled steel structural floor panel, and the assembled concrete filled steel tube composite post of any one of claims 1 to 4;