CN218028475U - Angle steel combination steel pipe concrete member - Google Patents
Angle steel combination steel pipe concrete member Download PDFInfo
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- CN218028475U CN218028475U CN202222236022.0U CN202222236022U CN218028475U CN 218028475 U CN218028475 U CN 218028475U CN 202222236022 U CN202222236022 U CN 202222236022U CN 218028475 U CN218028475 U CN 218028475U
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Abstract
The utility model discloses an angle steel combined concrete filled steel tube component, which comprises angle steel, steel side plates and concrete; the angle steels are oppositely welded on four corners surrounded by four steel side plates in pairs, openings of the angle steels face inwards, and concrete is filled in a cavity surrounded by the four steel side plates. The welding edges of the steel side plates and the angle steel are straight lines, so that the welding is convenient, and the welding efficiency is improved; the angle steel is positioned at the corner of the combined member, so that the steel pipe at the corner can be prevented from being torn, and the torsional rigidity of the member can be improved. The steel pipe formed by combining the angle steel and the steel side plate can well restrain core concrete and improve the bearing capacity of the member. The angle steel is positioned at the corner of the combined member, and the main force transfer area of the combined member is positioned at the corner, so that the beam-column connecting piece and the combined beam steel bar can penetrate through the column, the beam-column connection is facilitated, and the practicability is wide.
Description
Technical Field
The utility model relates to a building and bridge engineering technical field, concretely relates to angle steel combination steel pipe concrete component.
Background
The steel pipe concrete refers to a combined member formed by filling concrete in a steel pipe. The steel pipe concrete has good stress performance and construction performance, so that the steel pipe concrete is widely applied to buildings and bridge structures. The conventional steel pipe concrete has the following problems: 1) The steel pipe wall is easy to partially buckle, and the local buckling of the steel pipe wall can greatly reduce the constraint effect of the steel pipe wall on the core concrete; 2) Concrete filled steel tubes are prone to tearing at the corners, which results in a dramatic drop in load bearing capacity. The utility model discloses the people discovers through earlier stage test that corrugated steel plate and shaped steel combination restraint concrete has superior mechanical properties, "a corrugated steel pipe concrete column" and patent number ZL201922169961.6 that patent number ZL 201911241678.8 disclosed according to this patent number ZL 201922169074.9, and "a shaped steel and corrugated steel plate combination's concrete heterotypic component" that publication number CN201911257159.0 disclosed. Ripple steel sheet adopts horizontal buckled plate in the above-mentioned patent, and horizontal buckled plate has good constraint performance to the core concrete, but its welding limit is the wavy line, and welding technique and welding equipment require highly.
Disclosure of Invention
The utility model discloses an overcome the weak point among the prior art, provide an angle steel combination steel pipe concrete component, utilize the angle steel to strengthen steel pipe corner strength, synthesize through angle steel and steel curb plate and improve its restraint effect to the core concrete.
In order to achieve the purpose, the utility model discloses an angle steel combination steel pipe concrete component, including angle steel, steel curb plate and concrete; the angle steel two liang of welding relatively on four angles that enclose by four steel curb plates, the opening of angle steel is inside, the cavity that encloses by four steel curb plates is equipped with the axial horizontal reinforcing plate of perpendicular to component at the interval, the concrete fill in the cavity that four steel curb plates enclose.
The steel side plate is a corrugated steel plate or a flat steel plate, and the wave crest direction of the corrugated steel plate is along the axial direction of the component.
The angle steel is made of one of carbon steel, common low alloy steel or high-strength low alloy steel.
The corrugation form of the corrugated steel plate is one or more of sine corrugation, rectangular corrugation or trapezoidal waveform.
The thickness of the steel side plate is not less than 1.5mm.
The concrete is one of plain concrete, fiber concrete, reinforced concrete or steel reinforced concrete.
The transverse reinforcing plate (4) is one of a cross pulling plate or a mouth-shaped ring plate.
Has the advantages that: compared with the prior art, the utility model have following advantage:
1) The welding edges of the steel side plates and the angle steel are straight lines, so that the welding is convenient, and the welding efficiency is improved; the combination of the angle steel and the steel side plates can improve the buckling-restrained performance of the steel pipe wall and improve the bearing capacity and ductility of the combined member.
2) The angle steel is positioned at the corner of the combined member, so that the steel pipe at the corner can be prevented from being torn, and the torsional rigidity of the member can be improved.
3) The angle steel is positioned at the corner of the combined member, and actually, the main force transfer area of the combined member is positioned at the corner, so that the beam-column connecting piece and the combined beam steel bar can penetrate through the column, and the beam-column connection is facilitated.
4) The steel angle and steel side plate combined steel pipe is filled with concrete, so that the stability of the steel angle and steel side plate can be improved, and the combined steel pipe can well restrain core concrete, so that the whole bearing capacity of the member is obviously improved.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional structure view of a transverse reinforcing plate with cross pulling plates according to embodiment 1 of the present invention.
Fig. 4 is a schematic cross-sectional structure view of a reinforcing plate with a cross pulling plate and a mouth-shaped ring plate according to embodiment 2 of the present invention.
Fig. 5 is a schematic three-dimensional structure diagram of embodiment 3 of the present invention.
In the figure: 1-angle steel; 2-steel side plates; 3-concrete; 4-transverse reinforcing plate.
Detailed Description
The invention will be further described with reference to the following examples in which:
the angle steel combined concrete filled steel tube component of the utility model comprises angle steel 1, steel side plates 2 and concrete 3; the angle steel 1 is welded on four corners surrounded by four steel side plates 2 in a pairwise opposite mode, openings of the angle steel 1 face inwards, transverse reinforcing plates 4 perpendicular to the axial direction of a component are arranged in a cavity surrounded by the four steel side plates at intervals, and concrete 3 is filled in the cavity surrounded by the four steel side plates 2. The steel side plate 2 is a corrugated steel plate or a flat steel plate, and the wave crest direction of the corrugated steel plate is along the axial direction of the component; the angle steel 1 is made of one of carbon steel, common low alloy steel or high-strength low alloy steel; the corrugation form of the corrugated steel plate 2 is one or more of sine corrugation, rectangular corrugation or trapezoidal waveform; the thickness of the corrugated steel plate is not less than 1.5mm. The concrete 3 is one of plain concrete, fiber concrete, reinforced concrete or steel reinforced concrete; the transverse reinforcing plate 4 is one of a cross pulling plate or an inner ring plate.
Examples 1,
As shown in fig. 1 and 2, the angle steel combined concrete filled steel tube member comprises four angle steels 1, four corrugated steel plates and concrete 3; the four angle steels 1 are welded at the end parts of every two corrugated steel plates forming a right angle, and a cavity enclosed by the four angle steels 1 and the four corrugated steel plates is filled with concrete 3; the wave crest direction of the corrugated steel plate is along the axial direction of the component. The opening of the angle steel 1 faces inwards, the angle steel is made of common low-alloy steel, and the corrugated form of the corrugated steel plate is in a trapezoidal waveform; the thickness of the corrugated steel plate is 3mm; the concrete is plain concrete. Transverse reinforcing plates 4 are arranged among the angle steels at intervals; the transverse reinforcing plate 4 is a cross pulling plate, as shown in fig. 3.
Examples 2,
As shown in the figure, the angle steel combined concrete filled steel tube member comprises four angle steels 1, four corrugated steel plates and concrete 3; the four angle steel welding 1 are connected to the end parts of every two corrugated steel plates forming a right angle, and a cavity enclosed by the four angle steel welding 1 and the four corrugated steel plates is filled with concrete 3; the wave crest direction of the corrugated steel plate is along the axial direction of the component. The opening of the angle steel 1 faces inwards, the angle steel 1 is made of high-strength low-alloy steel, and the corrugated form of the corrugated steel plate is in a trapezoidal waveform; the thickness of the corrugated steel plate is 1.5mm; the concrete 3 is reinforced concrete. Transverse reinforcing plates 4 are arranged among the angle steels 1 at intervals; the transverse reinforcing plate 3 is a cross pulling plate and an inner ring plate.
Examples 3,
As shown in fig. 5, the angle steel combined concrete filled steel tube member comprises four angle steels 1, four flat steel plates and concrete 3; the four angle steels 1 are welded at the end parts of every two right-angled flat steel plates, and a cavity enclosed by the four angle steels and the four flat steel plates is filled with concrete 3; the opening of the angle steel 1 faces inwards, and the section steel of the angle limb piece is made of carbon steel; the thickness of the flat steel plate is 5mm; the concrete is plain concrete. Transverse reinforcing plates 4 are arranged among the angle steels 1 at intervals; the transverse reinforcing plate 4 is an inner ring plate.
Claims (7)
1. The utility model provides an angle steel combination steel pipe concrete component which characterized in that: the steel plate comprises angle steel (1), steel side plates (2) and concrete (3); the angle steel (1) is characterized in that opposite angles of every two are welded on four corners surrounded by four steel side plates (2) oppositely, an opening of the angle steel (1) faces inwards, transverse reinforcing plates (4) perpendicular to the axial direction of a component are arranged in a cavity surrounded by the four steel side plates (2) at intervals, and concrete (3) is filled in the cavity surrounded by the four steel side plates (2).
2. The angle steel combination steel pipe concrete member of claim 1, characterized in that: the steel side plate (2) is a corrugated steel plate or a flat steel plate, and the wave crest direction of the corrugated steel plate is along the axial direction of the component.
3. The angle iron combination steel pipe concrete member according to claim 1, characterized in that: the angle steel (1) is made of one of carbon steel, common low alloy steel or high-strength low alloy steel.
4. The angle steel combination steel pipe concrete member of claim 2, characterized in that: the corrugation form of the corrugated steel plate is one or more of sine corrugation, rectangular corrugation or trapezoidal waveform.
5. The angle combining concrete-filled steel tube member according to claim 1 or 2, characterized in that: the thickness of the steel side plate (2) is not less than 1.5mm.
6. The angle steel combination steel pipe concrete member of claim 1, characterized in that: the concrete (3) is one of plain concrete, fiber concrete, reinforced concrete or steel reinforced concrete.
7. The angle steel combination steel pipe concrete member of claim 1, characterized in that: the transverse reinforcing plate (4) is one of a cross pulling plate or a mouth-shaped ring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222236022.0U CN218028475U (en) | 2022-08-24 | 2022-08-24 | Angle steel combination steel pipe concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222236022.0U CN218028475U (en) | 2022-08-24 | 2022-08-24 | Angle steel combination steel pipe concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218028475U true CN218028475U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222236022.0U Active CN218028475U (en) | 2022-08-24 | 2022-08-24 | Angle steel combination steel pipe concrete member |
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| Country | Link |
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| CN (1) | CN218028475U (en) |
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2022
- 2022-08-24 CN CN202222236022.0U patent/CN218028475U/en active Active
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