CN211775111U

CN211775111U - Partially-filled reinforced combined concrete-filled steel tube column

Info

Publication number: CN211775111U
Application number: CN202020180566.8U
Authority: CN
Inventors: 孙叶根
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-10-27
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a combined steel core concrete column is strengthened in partial filling, including steel cavity cylinder, first reinforcing bar net piece, second reinforcing bar net piece, the cavity cylinder is equipped with first flat board and the second flat board that is parallel to each other, first connecting plate and second connecting plate, first connecting plate, second connecting plate edge respectively with first flat board, second flat board middle part is connected, first reinforcing bar net piece, second reinforcing bar net piece edge respectively with first flat board, second flat board edge is connected, first flat board, first connecting plate, the second is dull and stereotyped, first reinforcing bar net piece encloses synthetic first filling area, first flat board, the second connecting plate, the second is dull and stereotyped, second reinforcing bar net piece encloses synthetic second filling area, first connecting plate, first flat board, the second connecting plate, synthetic third filling area is enclosed to the second flat board, be equipped with the concrete filler in the filling area respectively. The utility model provides the high fire resistance and corrosion resisting property, antidetonation superiority, the security of connection reliability, structure of shaped steel _ concrete combination steel column.

Description

Partially-filled reinforced combined concrete-filled steel tube column

Technical Field

The utility model belongs to the technical field of the building structure technique and specifically relates to a combined steel core concrete column is strengthened to partial filling is related to.

Background

As a key technology of building industrialization, an assembled steel structure building has a series of advantages of standardized design, factory manufacturing, assembly construction and the like, but the traditional H-shaped steel column, box-shaped column, square tubular column and steel pipe concrete column are difficult to systematically solve the problem of the same service life as a main structure in the aspect of fire prevention and corrosion prevention of the steel structure, and particularly the problem of cracking is often caused by frequently adopting a mode of coating decorative plates such as gypsum plates or cement fiber plates and the like in the decoration stage. Although the partially filled steel-concrete combined column can better solve the problems that the corrosion resistance and the fire resistance are the same as the main structure in service life, the stress performance of the partially filled steel-concrete combined column has a larger difference compared with that of a steel pipe concrete column, and the problems that the corrosion resistance and the corrosion resistance of the steel pipe concrete column are long and the stress performance of the steel pipe concrete column is difficult to be in the industry are solved.

Disclosure of Invention

The utility model relates to a solve traditional H shaped steel post, the box column, the square column post, the steel core concrete column is difficult to the systematic solution of nature and the atress problem of the easy fracture of problem and part packing steel _ concrete combination post of decoration in the aspect of steel construction fire prevention anticorrosion, provide one kind and get together the effectual combination of assembled steel structure technique and assembled concrete structure technique, the shock resistance superiority of full play steel structure technique, the connection reliability, the security of structure, and assembled concrete technique fire prevention corrosion resistance, the combined steel core concrete column is strengthened in the partial packing of decoration performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the partially-filled reinforced combined type steel pipe concrete column comprises a steel hollow column body, a first reinforcing mesh and a second reinforcing mesh, wherein the hollow column body is provided with a first flat plate and a second flat plate which are parallel to each other, and a first connecting plate and a second connecting plate which are parallel to each other, the edges of the first connecting plate and the second connecting plate are respectively connected with the middle parts of the first flat plate and the second flat plate, the edges of the first reinforcing mesh and the second reinforcing mesh are respectively connected with the edges of the first flat plate and the second flat plate, the first connecting plate, the second flat plate and the first reinforcing mesh enclose a first filling area, the first flat plate, the second connecting plate and the second reinforcing mesh enclose a second filling area, the first connecting plate, the first flat plate, the second connecting plate and the second flat plate enclose a third filling area, and the first filling area, Concrete fillers are respectively arranged in the second filling area and the third filling area. According to the scheme, a steel hollow cylinder is formed at first, a first reinforcing mesh and a second reinforcing mesh are bound and welded in cavities on two sides of a steel column flat plate, then concrete is poured in a first filling area and a second filling area, and the part of concrete can be prefabricated in a factory or on site; after the strength of the partial concrete in the first filling area and the second filling area reaches a certain strength, pouring concrete into a cavity of a middle third filling area to form a combined column; the mixed structure of steel sheet and concrete, its intensity and fire prevention corrosion resistance can both obtain guaranteeing.

Preferably, the hollow column body is formed by connecting two pieces of H-shaped steel, two parallel wing plates of the H-shaped steel are respectively connected to form a first flat plate and a second flat plate, a web plate in the middle of the H-shaped steel is respectively formed into a first connecting plate and a second connecting plate, and a fillet weld or a groove weld is arranged at the joint of the two parallel wing plates of the H-shaped steel. The steel hollow cylinder can be formed by welding two flat plates and two connecting plates or welding two H-shaped steels; when the H-shaped steel is adopted for welding, four parallel steel plates of two H-shaped steels are respectively welded in opposite tops; the weld of the steel plates or the weld of the H-section steel may be a fillet weld or a groove weld.

Preferably, the concrete filler arranged in the first filling area and the second filling area is one of common concrete, lightweight aggregate concrete, self-compacting concrete, high-strength concrete and lightweight foamed concrete.

Preferably, the concrete filler arranged in the third filling area is one of ordinary concrete, self-compacting concrete and high-strength concrete.

Preferably, the first steel mesh and the second steel mesh comprise a plurality of transverse stirrups connected with the edges of the first flat plate and the second flat plate and a plurality of vertical steel bars connected with the transverse stirrups. The reinforcing bars on the two sides of the flat plate can be finished reinforcing mesh or common stirrups which are welded on the inner side of the flat plate, and then vertical reinforcing bars are bound.

Preferably, the steel hollow cylinder, the first reinforcing mesh and the second reinforcing mesh are formed by splicing a plurality of sections. In the scheme, when the length of the steel hollow cylinder is longer, a plurality of short steel hollow cylinders can be vertically spliced at the end part to form a long steel hollow cylinder; the vertical splicing can adopt a welding mode, and also can adopt a bolt welding mixed connection or full bolt connection mode.

According to the scheme, the reinforced combined type steel pipe concrete column is partially filled, the bearing capacity and the rigidity of the section steel-concrete combined column are enhanced by filling concrete, the steel consumption is greatly reduced, the comfort of a building is improved, and the engineering cost is reduced; the defects of the vertical member in the existing assembled steel structure system are solved well, the performance advantages of a steel structure and a concrete structure are fully exerted, materials are saved better, environmental pollution is reduced, and the living environment is improved.

Therefore, the utility model discloses following beneficial effect has:

1. the fire resistance and the corrosion resistance of the section steel-concrete combined steel column can be improved, the integrated functions of fire prevention and corrosion prevention are realized, and the main structure is the same as the age;

2. the section steel-concrete combined steel column has obvious stress combination effect, and improves the bearing capacity and rigidity, so that the deflection of a horizontal structure can be effectively controlled, the comfort is improved, and the cost is saved;

3. the section steel-concrete combined steel column has high rigidity in two directions, is relatively close to the rigidity in two directions, and has better stability than an H-shaped steel combined column and a common steel pipe concrete column;

4. the steel bars welded on the two sides of the steel section-concrete combined steel column slab effectively support the flange, the thickness of the flange can be reduced, the flange is prevented from buckling, and the structural cost is effectively controlled.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of the present invention.

Fig. 2 is a schematic cross-sectional structure view of the beveled edge of the present invention.

In the figure: 1. hollow column body 2, first reinforcing mesh piece 3, second reinforcing mesh piece 4, first flat plate

5. A second plate 6, a first connecting plate 7, a second connecting plate 8, a first filling area

9. A second filling zone 10, a third filling zone 11, a groove weld 12 and a transverse stirrup

13. And (5) vertical reinforcing steel bars.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figure 1, the partially-filled reinforced combined type steel pipe concrete column comprises a steel hollow column body 1, a first reinforcing mesh sheet 2 and a second reinforcing mesh sheet 3, wherein the hollow column body 1 is provided with a first flat plate 4 and a second flat plate 5 which are parallel to each other, and a first connecting plate 6 and a second connecting plate 7 which are parallel to each other, the edges of the first connecting plate 6 and the second connecting plate 7 are respectively and vertically connected with the middle parts of the first flat plate 4 and the second flat plate 5, the edges of the first reinforcing mesh sheet 2 and the second reinforcing mesh sheet 3 are respectively and peripherally connected with the first flat plate 4 and the second flat plate 5, the first flat plate 4, the first connecting plate 6, the second flat plate 5 and the first reinforcing mesh sheet 2 enclose a first filling area 8, the first flat plate 4, the second connecting plate 7, the second flat plate 5 and the second reinforcing mesh sheet 3 enclose a second filling area 9, and the first connecting plate 6, the first flat plate 4, the second connecting plate 7, the second flat plate 5 encloses a third filling area 10, and concrete fillers are respectively arranged in the first filling area 8, the second filling area 9 and the third filling area 10;

as shown in fig. 2, a hollow column 1 is formed by connecting two pieces of H-shaped steel, two parallel wing plates of the H-shaped steel are respectively connected to form a first flat plate 4 and a second flat plate 5, a middle web of the H-shaped steel is respectively formed into a first connecting plate 6 and a second connecting plate 7, and a groove weld 11 is arranged at the connection position of the two parallel wing plates of the H-shaped steel;

the concrete filler arranged in the first filling area 8 and the second filling area 9 is one of common concrete, light aggregate concrete, self-compacting concrete, high-strength concrete and light foaming concrete;

the concrete filler arranged in the third filling area 10 is one of common concrete, self-compacting concrete and high-strength concrete;

the first steel mesh 2 and the second steel mesh 3 comprise a plurality of transverse stirrups 12 connected with the edges of the first flat plate 4 and the second flat plate 5 and a plurality of vertical steel bars 13 connected with the transverse stirrups 12;

the steel hollow cylinder 1, the first reinforcing mesh 2 and the second reinforcing mesh 3 are formed by splicing a plurality of sections.

The concrete implementation process comprises the steps that firstly, steel plates or H-shaped steel are welded to form a steel hollow cylinder 1, then a first reinforcing mesh 2 and a second reinforcing mesh 3 are bound and welded in cavities on two sides of a first flat plate 4 and a second flat plate 5 of the hollow cylinder 1, then concrete is poured in a first filling area 8 and a second filling area 9, and the concrete can be prefabricated in a factory or on site; after the strength of the partial concrete in the first filling area 8 and the second filling area 9 reaches a certain strength, pouring concrete into the cavity of the middle third filling area 10 to form a combined column;

when the length of the steel hollow column 1 is longer, a plurality of short steel hollow columns 1 can be vertically spliced at the end part to form the long steel hollow column 1; the vertical splicing can adopt a welding mode, and also can adopt a bolt welding mixed connection or full bolt connection mode.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The partially-filled reinforced combined type steel pipe concrete column is characterized by comprising a steel hollow column body, a first reinforcing mesh and a second reinforcing mesh, wherein the hollow column body is provided with a first flat plate and a second flat plate which are parallel to each other, and a first connecting plate and a second connecting plate which are parallel to each other, the edges of the first connecting plate and the second connecting plate are respectively connected with the middle parts of the first flat plate and the second flat plate, the edges of the first reinforcing mesh and the second reinforcing mesh are respectively connected with the edges of the first flat plate and the second flat plate, the first connecting plate, the second flat plate and the first reinforcing mesh enclose a first filling area, the first flat plate, the second connecting plate, the second reinforcing mesh enclose a second filling area, and the first connecting plate, the first flat plate, the second connecting plate and the second flat plate enclose a third filling area, concrete fillers are respectively arranged in the first filling area, the second filling area and the third filling area.

2. The partially filled reinforced combined concrete-filled steel tube column according to claim 1, wherein the hollow column body is formed by connecting two H-shaped steels, two parallel wing plates of the H-shaped steels are respectively connected to form a first flat plate and a second flat plate, a middle web plate of the H-shaped steel is respectively formed into a first connecting plate and a second connecting plate, and a fillet weld or a groove weld is arranged at the joint of the two parallel wing plates of the H-shaped steel.

3. The partially filled reinforced combined concrete-filled tubular column according to claim 1, wherein the concrete filler in the first filling zone and the second filling zone is one of ordinary concrete, lightweight aggregate concrete, self-compacting concrete, high-strength concrete and lightweight foam concrete.

4. The column as claimed in claim 1, wherein the concrete filler in the third filling zone is one of general concrete, self-compacting concrete and high-strength concrete.

5. The column as claimed in claim 1, wherein the first and second meshes of reinforcing bars comprise a plurality of transverse stirrups connected to edges of the first and second plates and a plurality of vertical reinforcing bars connected to the transverse stirrups.

6. The partially filled and reinforced combined concrete-filled steel tubular column as claimed in claim 1, wherein said steel hollow column, said first mesh and said second mesh are formed by splicing a plurality of sections.