CN218437467U - Novel steel core concrete column and girder steel node - Google Patents
Novel steel core concrete column and girder steel node Download PDFInfo
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- CN218437467U CN218437467U CN202221590999.6U CN202221590999U CN218437467U CN 218437467 U CN218437467 U CN 218437467U CN 202221590999 U CN202221590999 U CN 202221590999U CN 218437467 U CN218437467 U CN 218437467U
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Abstract
The utility model discloses a novel steel tube concrete column and steel beam node, which comprises a plurality of steel beams, a steel tube concrete column and a bracket structure, wherein the steel tube concrete column is vertically arranged, the plurality of steel beams are circumferentially and uniformly arranged outside the steel tube concrete column at intervals, each steel beam is provided with the bracket structure, the end part of each steel beam is connected with the outer end of the bracket structure, and the inner end of the bracket structure is fixed with the outer wall of the steel tube concrete column; the steel pipe inner wall of steel core concrete column is equipped with many vertical stiffening ribs, and vertical stiffening rib is last to be equipped with a plurality of holes along direction of height spaced apart, has pour the concrete in the hole. The beneficial effects of the utility model are that: nodal connection form, bearing capacity is strong, mechanical properties is stable, the atress requirement that can the fully provided node.
Description
Technical Field
The utility model relates to a building structure technical field, concretely relates to novel steel core concrete column and girder steel node.
Background
In recent years, with the development of urban construction and the increase of high-rise buildings, the living standard of people is continuously improved, and higher requirements are also put forward on the buildings: the building has higher internal use space and stronger structure seismic performance. The traditional reinforced concrete material and steel material have self defects, and the concrete has high compressive strength but weak bending resistance; the steel has strong bending resistance, but is easy to be unstabilized under pressure so as to lose the axial compression resistance. The steel tube concrete column structure combines the advantages of the two materials together, so that the two materials play a role together, the bearing capacity and the ductility of the structure are greatly improved, and the steel tube concrete column structure is more and more widely applied to super high-rise buildings.
In the steel tube concrete column, due to the constraint action of the external steel tube, the internal concrete is in a three-dimensional compression state, so that the compression strength of the concrete is obviously improved; the inside concrete can effectively prevent the steel pipe local buckling, improves the compressive property of steel pipe. The mutual action between the steel pipe and the concrete changes the damage of the concrete in the steel pipe from brittle damage into plastic damage, obviously improves the ductility of the member, greatly improves the energy consumption capability and has excellent anti-seismic performance. Based on the excellent performance of the steel pipe concrete column, a structural form in which the steel pipe concrete column and the steel beam are combined is increasingly used in the super high-rise building.
At present, the nodes of the steel tube concrete column and the steel beam comprise an external reinforcement ring type node, an internal reinforcement ring type node, a feed-through type node and the like, and the two most commonly used connecting nodes are the external reinforcement ring type node and the internal reinforcement ring type node. The external reinforcing ring type node is characterized in that upper and lower reinforcing ring plates are respectively arranged at the positions of upper and lower flange plates of a steel beam and are connected with the upper and lower flanges of the steel beam by equal-strength butt welding seams or high-strength bolts so as to transfer beam end bending moment; and the shear force of the beam end is transferred by utilizing the vertical rib plates connected with the web plate of the steel beam. The outer ring plate of the connecting node is large in size, large in processing difficulty and transportation difficulty, limited in use condition, and incapable of being used when a hole exists in a column edge. The inner reinforcing ring type node is characterized in that inner partition plates are arranged at the upper flange and the lower flange of the inner beam of the steel pipe and connected with the beam to transfer bending moment. But the interior baffle welding is inside the post, and the diameter is less, and processing preparation difficulty, and it is great to the pouring influence of inside concrete, though the interior baffle can set up the exhaust hole, nevertheless at the in-process of pouring inside concrete, often there is air in rectangle steel pipe apex position to be in time got rid of, and concrete and steel pipe can't produce shear stress on the void area interface, and the reducing of shear force before concrete and the steel pipe further influences the steel pipe and to the cuff effect of concrete, and the collaborative work between the two weakens.
Therefore, it is very important to develop a node of the steel pipe concrete column and the steel beam with excellent mechanical properties and convenient construction.
Disclosure of Invention
An object of the utility model is to provide a mechanical properties is good and construct convenient novel steel core concrete column and girder steel node to prior art's not enough.
The utility model adopts the technical proposal that: a novel steel tube concrete column and steel beam node comprises a plurality of steel beams, a steel tube concrete column and a bracket structure, wherein the steel tube concrete column is vertically arranged, the steel beams are uniformly arranged outside the steel tube concrete column at intervals in the circumferential direction, each steel beam is provided with the bracket structure, the end part of each steel beam is connected with the outer end of the bracket structure, and the inner end of each bracket structure is fixed with the outer wall of the steel tube concrete column; the steel pipe inner wall of steel core concrete column is equipped with many vertical stiffening ribs, and vertical stiffening rib is last to be equipped with a plurality of holes along direction of height spaced apart, has pour the concrete in the hole.
According to the scheme, the steel pipe of the steel pipe concrete column is a square pipe, and three vertical stiffening ribs are fixed on the inner wall of each side plate of the steel pipe at intervals.
According to the scheme, the number of the steel beams is four, and the four steel beams are symmetrically arranged on the outer walls of the four side plates of the steel tube of the concrete-filled steel tube column.
According to the scheme, the bracket structure is connected with the steel beam through the connecting plate.
According to the scheme, the steel beam is an I-shaped steel beam or an H-shaped steel beam and comprises an upper flange plate, a web plate and a lower flange plate; the bracket structure includes horizontally roof and bottom plate to and vertical backup pad, the inner of roof, bottom plate links to each other with the steel core outer wall of steel core concrete column respectively, the upper and lower end of backup pad links to each other with roof and bottom plate respectively, and the inner of backup pad links to each other with the steel core outer wall of steel core concrete column, and the outer end of backup pad is adjusted well with the web of girder steel.
According to the scheme, the two connecting plates are symmetrically arranged on two sides of the supporting plate and the web plate of the steel beam, and the two connecting plates are connected with the supporting plate and the web plate of the steel beam through high-strength bolts respectively.
According to the scheme, the upper surface of the top plate is flush with the upper flange plate of the steel beam; the outer end of the top plate is aligned with the upper flange plate of the steel beam.
According to the scheme, the width of the inner end of the top plate is larger than that of the outer end of the top plate.
According to the scheme, the lower surface of the bottom plate is flush with the lower flange plate of the steel beam; the outer end of the bottom plate is aligned with the lower flange plate of the steel beam.
According to the scheme, the width of the inner end of the bottom plate is larger than that of the outer end of the bottom plate.
The utility model has the advantages that:
1. the construction is simple and convenient, and the construction period is saved. The on-site welding seam of node is few, and simple structure greatly simplifies construction process, guarantees the node quality, is showing and shortens construction cycle.
2. The construction quality of the joint is easier to ensure. The conventional steel pipe concrete column adopts transverse stiffening ribs, so that the difficulty of concrete pouring is high, and the concrete and the steel ribs are both separated to different degrees, so that the synergistic effect between the steel pipe and the concrete is weakened; and the utility model discloses a vertical stiffening plate, and the hole of vertical stiffening rib, inside concrete filled steel pipe was pour after more convenient, avoided the phenomenon of coming to nothing, convenient site operation improves the node quality.
3. High bearing capacity, good ductility and excellent anti-seismic performance. When concrete is poured, the concrete is filled in the holes of the vertical stiffening ribs to form the concrete tenons, so that the sliding shear force between the steel pipe and the concrete is transferred, the relative sliding between the steel pipe and the concrete is obviously reduced, the interaction between the steel pipe and the concrete is enhanced, and the mechanical property of the node is obviously improved.
Drawings
Fig. 1 is an axial view of an embodiment of the present invention.
Fig. 2 is a cut-away axial view of the present embodiment.
FIG. 3 is an axial view of a vertical stiffener in this embodiment.
FIG. 4 is an axial view of the steel beam and corbel structure of this embodiment.
Fig. 5 is an exploded view of the present embodiment.
In the figure, 1, a steel pipe, 2, a steel beam, 3, a bracket structure, 4, a connecting plate, 5, a vertical stiffening rib, 6, a hole, 7, a high-strength bolt, 8, a bolt hole, 9, an upper flange plate, 10, a lower flange plate, 11, a web plate, 12, a top plate, 13, a bottom plate and 14, a supporting plate.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The novel steel tube concrete column and steel beam joint shown in fig. 1, 2 and 5 comprises a plurality of steel beams 2, a steel tube concrete column and a bracket structure 3, wherein the steel tube concrete column is vertically arranged, the steel beams 2 are uniformly arranged outside the steel tube concrete column at intervals in the circumferential direction, each steel beam 2 is provided with the bracket structure 3, the end part of each steel beam 2 is connected with the outer end of the bracket structure 3, and the inner end of each bracket structure 3 is fixed with the outer wall of the steel tube concrete column; the inner wall of a steel tube 1 of the steel tube concrete column is provided with a plurality of vertical stiffening ribs 5, a plurality of holes 6 are formed in the vertical stiffening ribs 5 at intervals along the height direction, and concrete is poured into the holes 6, as shown in fig. 3.
Preferably, the steel pipe 1 of the steel pipe concrete column is a square pipe, and three vertical stiffening ribs 5 are fixed on the inner wall of each side plate of the steel pipe 1 at intervals.
Preferably, there are four steel beams 2, and the four steel beams are symmetrically arranged on the outer walls of four side plates of the steel tube 1 of the steel tube concrete column.
Preferably, the corbel structure 3 is connected to the steel beam 2 by a connecting plate 4.
Preferably, the steel beam 2 is an i-shaped steel beam or an H-shaped steel beam, and includes an upper flange plate 9, a web plate 11 and a lower flange plate 10; the bracket structure 3 comprises a horizontal top plate 12, a horizontal bottom plate 13 and a vertical supporting plate 14, the inner ends of the top plate 12 and the bottom plate 13 are respectively connected with the outer wall of the steel tube 1 of the steel tube concrete column, the upper end and the lower end of the supporting plate 14 are respectively connected with the top plate 12 and the bottom plate 13, the inner end of the supporting plate 14 is connected with the outer wall of the steel tube 1 of the steel tube concrete column, and the outer end of the supporting plate 14 is aligned with the web plate 11 of the steel beam 2; the two connecting plates 4 are symmetrically arranged on two sides of the web plate 11 of the supporting plate 14 and the web plate 11 of the steel beam 2, and the two connecting plates 4 are respectively connected with the supporting plate 14 and the web plate 11 of the steel beam 2 through high-strength bolts 7, as shown in figure 4.
In the embodiment, a top plate 12, a bottom plate 13 and a support plate 14 of the bracket structure 3 are welded with the outer wall of the steel tube 1 of the concrete-filled steel tube column; the top plate 12 and the support plate 14, and the bottom plate 13 and the support plate 14 are welded and fixed. Corresponding bolt holes 8 are formed in the web plate 11, the connecting plate 4 and the supporting plate 14.
Preferably, the upper surface of the top plate 12 is flush with the upper flange plate 9 of the steel beam 2; the outer end of the top plate 12 is aligned with the upper flange plate 9 of the steel beam 2.
Preferably, the width of the inner end of the top plate 12 (i.e., the end connected to the concrete filled steel tubular column) is larger than the width of the outer end of the top plate 12 (i.e., the end connected to the steel beam 2).
Preferably, the lower surface of the bottom plate 13 is flush with the lower flange plate 10 of the steel beam 2; the outer end of the bottom plate 13 is aligned with the lower flange plate 10 of the steel beam 2.
Preferably, the width of the inner end of the base plate 13 (i.e., the end connected to the steel core concrete column) is greater than the width of the outer end of the base plate 13 (i.e., the end connected to the steel beam 2).
The manufacturing process of the embodiment is as follows: according to the design position of the bolts, holes are respectively processed on the steel beam 2, the support plate 14 of the bracket structure 3 and the connecting plate 4 by a machine in a factory. And cutting and processing the plates along the intersecting lines by using a machine, and welding the plates into a whole through a full penetration butt welding line. According to the design position of the hole 6 of the vertical stiffening rib 5, the vertical stiffening rib 5 is formed into a hole in a factory and is connected with the steel pipe 1 into a whole through a full penetration butt welding line. And welding the bracket structure 3 and the steel pipe 1 to finish the processing of the steel pipe 1 of the steel pipe concrete column 1. And (3) transporting the processed steel pipe 1 and the horizontal steel beam 2 to a site, positioning and installing by using a tower and a crane, connecting the steel pipe and the horizontal steel beam with corresponding rods on the periphery to complete the construction of the structure, and finally pouring concrete in the steel pipe 1.
Nodal connection form, bearing capacity is strong, mechanical properties is stable, and plasticity can be good, the atress requirement of fully provided node. Firstly, the vertical stiffening ribs 5 with holes are arranged in the node area, then concrete is poured to fill the holes 6 of the vertical stiffening ribs 5, a concrete tenon is formed to transfer the sliding shear force between the steel pipe 1 and the concrete material, the relative sliding between the steel pipe 1 and the concrete material is reduced, the bonding strength between the steel pipe 1 and the concrete is obviously enhanced, the hoop effect of the node is improved, and the node performance is obviously improved. Secondly, adopt the vertical stiffening rib 5 of 6 forms in the open pore hole in the concrete filled steel tube column, inside the more convenient back concreting filled steel tube 1 of concreting, avoided the phenomenon of coming to nothing, convenient site operation improves the node quality. Furthermore, the vertical stiffening ribs 5 are used as a part of the outer steel pipe 1, so that the constraint effect of the outer steel pipe on the internal concrete can be enhanced, the local buckling strength of the wall of the steel pipe 1 in the node area can be improved, and the mechanical property of the node is improved. When the condition is limited, longitudinal steel bars need to be additionally arranged in the concrete filled steel tubular column to improve the bearing capacity of the component, and the node form of the vertical stiffening plates is arranged, so that the arrangement and construction of the steel bars are more convenient. Finally, the utility model discloses an each horizontal member passes through the bracket structure and is connected with the steel core concrete column, and the connection form adopts the bolt welding to be connected, and the I-steel 2 edges of a wing and the 3 welding of bracket structure promptly, web 11 pass through bolt and bracket structure interconnect. Under rare meeting earthquake effect, plasticity hinge appears easily at the beam-ends in ordinary beam column node, leads to local destruction easily, the utility model discloses a bracket structure 3 connects, and the node region is kept away from to plasticity hinge formation region, is showing the security and the anti-seismic performance of reinforcing structure.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A novel steel pipe concrete column and steel beam node is characterized by comprising a plurality of steel beams, a steel pipe concrete column and a bracket structure, wherein the steel pipe concrete column is vertically arranged; the steel pipe inner wall of steel core concrete column is equipped with many vertical stiffening ribs, and vertical stiffening rib is last to be equipped with a plurality of holes along the direction of height spaced apart, and the hole is built internally with the concrete.
2. The new concrete filled steel tubular column and steel beam node of claim 1, wherein the steel tube of the concrete filled steel tubular column is a square tube, and three vertical stiffening ribs are fixed on the inner wall of each side plate of the steel tube at intervals.
3. The new concrete filled steel tubular column and steel beam joint as claimed in claim 2, wherein there are four steel beams, symmetrically installed on the outer wall of four side plates of the steel tube of the concrete filled steel tubular column.
4. A new concrete filled steel tubular column and steel beam joint as claimed in claim 1, wherein the corbel structure is connected to the steel beam by a connecting plate.
5. The new concrete filled steel tubular column and steel beam joint of claim 4, wherein said steel beam is an I-beam or H-beam, comprising an upper flange plate, a web plate and a lower flange plate; the bracket structure includes horizontally roof and bottom plate to and vertical backup pad, the inner of roof, bottom plate links to each other with the steel core outer wall of steel core concrete column respectively, the upper and lower end of backup pad links to each other with roof and bottom plate respectively, and the inner of backup pad links to each other with the steel core outer wall of steel core concrete column, and the outer end of backup pad is adjusted well with the web of girder steel.
6. A new concrete filled steel tubular column and steel beam joint as claimed in claim 5, wherein there are two connecting plates symmetrically arranged on both sides of the supporting plate and the web of the steel beam, and the two connecting plates are connected to the supporting plate and the web of the steel beam respectively through high-strength bolts.
7. The new concrete filled steel tubular column and steel beam joint of claim 5, wherein the top plate has an upper surface flush with the upper flange plate of the steel beam; the outer end of the top plate is aligned with the upper flange plate of the steel beam.
8. A novel concrete filled steel tubular column and steel beam joint as claimed in claim 5, wherein the width of the inner end of the top plate is greater than the width of the outer end of the top plate.
9. The new concrete filled steel tubular column and steel beam joint of claim 5, wherein the lower surface of the bottom plate is flush with the lower flange plate of the steel beam; the outer end of the bottom plate is aligned with the lower flange plate of the steel beam.
10. A novel concrete filled steel tubular column and steel beam joint as claimed in claim 5, wherein the width of the inner end of the base plate is greater than the width of the outer end of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590999.6U CN218437467U (en) | 2022-06-23 | 2022-06-23 | Novel steel core concrete column and girder steel node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590999.6U CN218437467U (en) | 2022-06-23 | 2022-06-23 | Novel steel core concrete column and girder steel node |
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| Publication Number | Publication Date |
|---|---|
| CN218437467U true CN218437467U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221590999.6U Active CN218437467U (en) | 2022-06-23 | 2022-06-23 | Novel steel core concrete column and girder steel node |
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| CN (1) | CN218437467U (en) |
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- 2022-06-23 CN CN202221590999.6U patent/CN218437467U/en active Active
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