CN215858606U - Be equipped with steel pipe concrete column reinforcing bar through structure of crust roof beam - Google Patents
Be equipped with steel pipe concrete column reinforcing bar through structure of crust roof beam Download PDFInfo
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- CN215858606U CN215858606U CN202122129325.8U CN202122129325U CN215858606U CN 215858606 U CN215858606 U CN 215858606U CN 202122129325 U CN202122129325 U CN 202122129325U CN 215858606 U CN215858606 U CN 215858606U
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Abstract
The utility model provides a steel bar through structure in a concrete filled steel tube column assembled with a crust beam, which comprises a crust beam, a steel column, steel bars, prestressed steel bars, an upper ring plate, a lower ring plate, column end double webs and a reinforced vertical plate; the utility model takes the double webs at the column end as the basis, the column reinforcing vertical plate corresponding to the column reinforcing vertical plate is arranged above the upper ring plate, and the forces of the double webs and the column reinforcing vertical plate are continuous, so that the problem of weakened section bearing capacity caused by column opening can be compensated; the upper and lower positions of the double webs at the column end correspond to those of the reinforced vertical plates, so that the quantity is small, the space is not occupied, the nodes are simple, and concrete is easy to pour; the prestressed reinforcement has high strength and is used for adjusting the quantity of common reinforcements, so that the strength weakened by the steel column due to the opening is in a controllable range; meanwhile, the high-strength characteristic of the prestressed reinforcement is exerted, and materials are saved; the through holes formed in the steel columns can enable the steel bars to be directly communicated with the prestressed steel bars without connection, and the transmission of the bending moment outside the columns at the joints is reliable.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a steel bar through structure in a concrete filled steel tube column, which is provided with a crust beam.
Background
When traditional steel core concrete column is connected with carapace roof beam or similar reinforced concrete roof beam, for the pulling force of transmission reinforcing bar, the way of often adopting has concrete ring beam to connect, and well formula double beam is connected, and the cross reinforcement of taking the reinforcement pipe is connected, welded connection sleeve, welded steel bar connection board. In the connecting methods, the first two structures are complex and difficult to construct; the third type has limited number of penetrating ribs, small reinforcement ratio of the beam and low economy; the fourth connecting sleeve is made of high-carbon steel, has poor weldability, is easy to generate welding cracks, has poor reliability and is easy to cause engineering accidents. The fifth field welding workload is large, welding slag falls into the template, is not easy to clean, influences the column strength, and the gap between the connecting plate and the upper ring plate is small, cavities are easy to form in concrete pouring, and the structural strength is weakened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel bar through structure in a concrete filled steel tube column, which is provided with a crust beam, has the advantages of effectively saving materials, being stable in structure and increasing the reinforcement ratio of the beam.
In order to achieve the purpose, the utility model provides a steel bar through structure in a concrete filled steel tube column, which is assembled with a crust beam, and comprises a crust beam, a steel column and a plurality of steel bars;
the periphery of the steel column is connected with a plurality of carapace beams at equal intervals through steel structure connecting pieces; the steel member surface is located the top of carapace roof beam has seted up a plurality of spliced eyes, the reinforcing bar runs through behind the spliced eye, with the steel column is connected.
Preferably, the reinforcing steel bars and the carapace beam are arranged in the extending direction and are placed on the upper flange of the carapace beam before concrete is poured.
Preferably, the steel bar also comprises prestressed steel bars; the surface of the steel column is provided with a through hole in the middle of the crust beam, and the prestressed reinforcement penetrates through the through hole and is inserted into the crust beam.
Preferably, the steel-structure connecting piece comprises an upper ring plate, a lower ring plate and a column-end double web plate;
the upper ring plate and the lower ring plate are arranged on the periphery of the steel column; the column end double-web plate is arranged between the upper ring plate and the lower ring plate;
the end part of the upper flange of the crust beam is connected with the upper ring plate through a butt welding seam, and the end part of the lower flange of the crust beam is connected with the lower ring plate through a butt welding seam; the end parts of the corrugated webs on the two sides of the carapace beam are beam end flat webs, and the beam end flat webs on the two sides are respectively connected with the column end double webs through a plurality of high-strength bolts.
Preferably, the device also comprises a plurality of pairs of column reinforcing vertical plates; the reinforcing vertical plate is welded at a connecting node of the upper ring plate and the steel column, and the positions of the reinforcing vertical plate and the double webs at the column end correspond up and down.
Preferably, the column end double-web plate and the beam end flat-web plate transmit all shearing force of the crust beam through high-strength bolts.
Preferably, the upper crust beam flange, the lower crust beam flange, the upper ring plate, the lower ring plate and the reinforcing steel bar bear all bending moments of the crust beam.
Preferably, concrete is poured into the carapace beam and the steel column, and the column end double-web plate forms hoop restraint on the concrete inside the carapace beam.
Preferably, the upper flange of the crust beam is composed of two flat-web steel plates, and a gap convenient for concrete pouring is reserved between the two flat-web steel plates.
Compared with the prior art, the utility model has the advantages that:
1. the column end double webs in the concrete-filled steel tubular column are plates for transferring shearing force and steel tube reinforcing plates, the number of node plates is reduced, the plates correspond to each other, and the concrete-filled steel tubular column does not occupy space and is convenient to construct; the column end double webs are also used as construction templates, and the requirement of prefabricating and assembling the concrete structure is met.
2. The reinforcement ratio of the utility model is determined according to the actual construction requirements, when the reinforcement amount is small, only common steel bars can be used, and when the reinforcement amount is large, common steel bars and prestressed steel bars can be used, so that the number of the common steel bars is reduced, and the aperture ratio of the steel column is reduced. The common steel bars and the prestressed steel bars are arranged in a vertically staggered manner, and the hole opening rate of the steel column is not superposed, so that the hole opening rate of the steel column is at a lower level. The method makes it possible to increase the reinforcing rate of the beam, save material and reduce the self weight of the structure.
3. The web plate of the crust beam in the concrete filled steel tubular column assembled with the crust beam is a corrugated web plate, so that the folding effect is achieved, the corrugations only have shearing force, and the high-strength bolts at the nodes only need to transmit the shearing force; the upper flange and the lower flange and the reinforcing steel bar can only transmit all bending moments, each plate has clear division, the stress is single, the node calculation and the structure are simple, and the construction is convenient.
4. In the utility model, the upper flange of the crust beam is welded on the upper ring plate, thus ensuring the continuity of the tension flow at the node; the lower flange of the crust beam is welded with the lower ring plate, and the pressure flow is continuous at the joint; concrete is poured into the column end double-web plates, pressure flow of the concrete is continuous at the node, tension pressure flow is continuous, a couple is formed, the bending resistance and the bearing capacity of the node are reliable, and the beam end flat web plates transmit beam end shearing force to the column through the high-strength bolts and the column end double-web plates, so that the column is safe and reliable.
Drawings
Fig. 1 is a schematic view of an overall structure of a through-reinforcement structure in a concrete filled steel tubular column equipped with a shell beam according to an embodiment of the present invention;
fig. 2 is an exploded view of a steel bar through structure in a concrete filled steel tubular column equipped with a crust beam according to an embodiment of the present invention;
fig. 3 is a diagram illustrating an actual application of a steel bar through structure in a concrete filled steel tubular column equipped with a shell beam according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
As shown in fig. 1, 2 and 3, the present invention provides a steel bar through structure in a concrete filled steel tube column assembled with a crust beam, including a crust beam, a steel column 10 and a plurality of steel bars 8;
the periphery of the steel column 10 is connected with a plurality of carapace beams at equal intervals through steel structure connecting pieces; the steel member surface is located the top of carapace roof beam, has seted up a plurality of spliced eye 5, and the reinforcing bar 8 runs through spliced eye 5 back, is connected with steel column 10.
In this embodiment, the reinforcing bars 8 are arranged in the extending direction of the shell beam, and are placed on the upper flange 11 of the shell beam before the concrete is poured.
In this embodiment, a prestressed reinforcement 9 is also included; the surface of the steel column 10 is provided with a through hole 6 in the middle of the crust beam, and the prestressed reinforcement 9 penetrates through the through hole 6 and is inserted into the crust beam. When the reinforcement amount is small, only the common steel bars 8 can be used, and when the reinforcement amount is large, the common steel bars 8 and the prestressed steel bars 9 can be used, so that the number of the common steel bars 8 is reduced, and the aperture ratio of the steel column 10 is reduced. The common steel bars 8 and the prestressed steel bars 9 are arranged in a vertically staggered manner, and the hole opening rate of the steel column 10 is not superposed, so that the hole opening rate of the steel column 10 is at a lower level. The method makes it possible to increase the reinforcing rate of the beam, save material and reduce the self weight of the structure.
In the embodiment, the steel-structure connecting piece comprises an upper ring plate 1, a lower ring plate 2 and a column-end double-web plate 3;
an upper annular plate 1 and a lower annular plate 2 are arranged on the periphery of the steel column 10; the column end double-web plate 3 is arranged between the upper ring plate 1 and the lower ring plate 2;
the end part of the upper flange 11 of the crust beam is connected with the upper ring plate 1 through a butt welding seam, and the end part of the lower flange 12 of the crust beam is connected with the lower ring plate 2 through a butt welding seam; the end parts of the corrugated webs on the two sides of the carapace beam are beam end flat webs 7, and the beam end flat webs 7 on the two sides are respectively connected with the column end double webs 3 through a plurality of high-strength bolts. The column end double-web plates 3 in the steel tube concrete column are plates for transferring shearing force and steel tube reinforcing plates, the number of node plates is reduced, the plates correspond to each other, and the space is not occupied, so that construction is facilitated; the column end double-web plate 3 is also used as a construction template, and the requirement of prefabricating and assembling a concrete structure is met.
The upper flange 11 of the crust beam is welded on the upper ring plate 1, so that the continuity of the tension flow at the joint is ensured; the lower flange 12 of the crust beam is welded with the lower ring plate 2, and the pressure flow is continuous at the node; concrete is poured into the column end double-web plates 3, pressure flow of the concrete is continuous at the nodes, tension pressure flow is continuous, force couples are formed, the bending resistance and bearing capacity of the nodes are guaranteed to be reliable, and beam end shear force is transmitted to the column through the beam end flat-web plates 7 through the high-strength bolts and the column end double-web plates 3, so that the column is safe and reliable.
In the embodiment, a plurality of pairs of column reinforcing vertical plates 4 are further included; the reinforced vertical plate 4 is welded at the connecting node of the upper annular plate 1 and the steel column 10, and the positions of the reinforced vertical plate 4 and the double web plates 3 at the column end correspond up and down. The force of the double-web plate and the column reinforcing vertical plate 4 is continuous, so that the bearing capacity of the cross section generated by the column opening can be compensated to be weakened; the plates correspond to each other up and down, the number is small, the occupied space is small, the nodes are simple, and concrete is easy to pour; the prestressed reinforcement 9 has high strength and is used for adjusting the quantity of the common reinforcements 8, so that the strength weakened by the opening of the column is in a controllable range; meanwhile, the high strength characteristic of the prestressed reinforcement 9 is exerted, and materials are saved. The column is perforated so that the steel bars 8 and the prestressed steel bars 9 can be directly communicated without connection, and the transmission of the column bending moment at the node is reliable.
In the embodiment, the column end double-web plate 3 and the beam end flat-web plate 7 transmit all shearing force of the carapace beam through the high-strength bolt.
In this embodiment, the upper shell beam flange 11, the lower shell beam flange 12, the upper ring plate 1, the lower ring plate 2, and the reinforcing steel bars 8 bear all bending moments of the shell beam.
In this embodiment, concrete is poured into both the crust beam and the steel column 10, and the column end double-web 3 forms a hoop constraint for the concrete inside the crust beam.
In this embodiment, the upper flange 11 of the shell beam is two flat-web steel plates, and a gap convenient for concrete pouring is reserved between the two flat-web steel plates.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A steel bar through structure in a concrete filled steel tube column assembled with a crust beam is characterized by comprising the crust beam, a steel column and a plurality of steel bars;
the periphery of the steel column is connected with a plurality of carapace beams at equal intervals through steel structure connecting pieces; the steel member surface is located the top of carapace roof beam has seted up a plurality of spliced eyes, the reinforcing bar runs through behind the spliced eye, with the steel column is connected.
2. The through-reinforcement structure in a concrete filled steel tube column equipped with a shell beam according to claim 1, wherein the reinforcement is arranged in a direction in which the shell beam extends in the length direction, and the reinforcement partially rests on an upper flange of the shell beam before concrete is poured.
3. The concrete filled steel tube column with embedded crustal beam of claim 1, further comprising prestressed reinforcement; the surface of the steel column is provided with a through hole in the middle of the crust beam, and the prestressed reinforcement penetrates through the through hole and is inserted into the crust beam.
4. The concrete filled steel tube column with assembled crustal beam of claim 1, wherein said steel connecting member comprises an upper ring plate, a lower ring plate and a column end double web;
the upper ring plate and the lower ring plate are arranged on the periphery of the steel column; the column end double-web plate is arranged between the upper ring plate and the lower ring plate;
the end part of the upper flange of the crust beam is connected with the upper ring plate through a butt welding seam, and the end part of the lower flange of the crust beam is connected with the lower ring plate through a butt welding seam; the end parts of the corrugated webs on the two sides of the carapace beam are beam end flat webs, and the beam end flat webs on the two sides are respectively connected with the column end double webs through a plurality of high-strength bolts.
5. The concrete filled steel tube column with embedded crustal beam of claim 4, further comprising a plurality of pairs of column reinforcing risers; the reinforcing vertical plate is welded at a connecting node of the upper ring plate and the steel column, and the positions of the reinforcing vertical plate and the double webs at the column end correspond up and down.
6. The concrete filled steel tube column with embedded crustal beam as claimed in claim 4, wherein said column end double web and said beam end flat web transmit all shear force of said crustal beam through high strength bolt.
7. The concrete filled steel tube column with a crustal beam assembled thereon as claimed in claim 4, wherein said crustal beam upper flange, said crustal beam lower flange, upper ring plate, lower ring plate and reinforcing steel bear all bending moment of said crustal beam.
8. The concrete-filled steel tube column with the carapace beam assembled thereon according to claim 4, wherein concrete is poured into the carapace beam and the steel column, and the column end double web plate forms a hoop constraint for the concrete inside the carapace beam.
9. The through-reinforcement structure in a concrete-filled steel tube column equipped with a crustal beam as in claim 4, wherein the crustal beam upper flange is two flat web steel plates, and a gap for facilitating concrete placement is reserved between the two flat web steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129325.8U CN215858606U (en) | 2021-09-03 | 2021-09-03 | Be equipped with steel pipe concrete column reinforcing bar through structure of crust roof beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129325.8U CN215858606U (en) | 2021-09-03 | 2021-09-03 | Be equipped with steel pipe concrete column reinforcing bar through structure of crust roof beam |
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| CN215858606U true CN215858606U (en) | 2022-02-18 |
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| CN202122129325.8U Active CN215858606U (en) | 2021-09-03 | 2021-09-03 | Be equipped with steel pipe concrete column reinforcing bar through structure of crust roof beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095020A (en) * | 2022-07-29 | 2022-09-23 | 中铁第四勘察设计院集团有限公司 | Column-beam joint structure and construction method thereof |
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2021
- 2021-09-03 CN CN202122129325.8U patent/CN215858606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095020A (en) * | 2022-07-29 | 2022-09-23 | 中铁第四勘察设计院集团有限公司 | Column-beam joint structure and construction method thereof |
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