CN216195427U - Box column and H shaped steel roof beam rigid connection node - Google Patents
Box column and H shaped steel roof beam rigid connection node Download PDFInfo
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- CN216195427U CN216195427U CN202122521941.8U CN202122521941U CN216195427U CN 216195427 U CN216195427 U CN 216195427U CN 202122521941 U CN202122521941 U CN 202122521941U CN 216195427 U CN216195427 U CN 216195427U
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Abstract
The utility model discloses a rigid connection node of a box column and an H-shaped steel beam, which comprises the box column and the H-shaped steel beam, wherein a steel column corner connecting plate is connected at the angular position of the box column; the upper wing plate and the lower wing plate of the H-shaped steel beam are respectively connected with a beam-end flange connecting plate, the beam-end flange connecting plates are connected with a steel beam end connecting plate, the steel beam end connecting plate is connected with a steel column corner connecting plate through a high-strength bolt, and a steel beam web plate lateral stiffening plate is connected between the steel beam end connecting plate and a web plate of the H-shaped steel beam; the beam-end bending moment is transmitted to the steel column corner connecting plate through the steel beam end connecting plate, the characteristic of high rigidity of the corner of the box-type column is utilized, an inner partition plate is not required to be added, and reliable transmission of the bending moment can be met through a firm connecting structure of a high-strength bolt; the reasonable transmission of the force of the connecting joint of the box column and the H-shaped steel beam is realized, the mechanical property requirement of the joint is met, and the strength of the joint is ensured.
Description
Technical Field
The utility model belongs to the technical field of steel structures, and relates to a rigid connection node of a box column and an H-shaped steel beam.
Background
At present, steel structures are regarded as recognized green environment-friendly products meeting the policy of sustainable development, and steel structure buildings are rapidly developed along with the development of economy and the enhancement of comprehensive strength. Meanwhile, the construction method of the steel structure assembly type building is advocated all the time.
The technical difficulty of the fabricated steel structure building is mainly concentrated on beam-column connection nodes. Because the box post is close to two-way rigidity, so use extensively in steel frame construction, box post and H shaped steel roof beam rigid connection node have three kinds of connected forms traditionally: 1. the upper flange and the lower flange of the H-shaped steel beam are connected with the box column by full penetration welding seams, and the web plate of the H-shaped steel beam is connected with the box column by high-strength bolts, namely, a bolt welding hybrid connection mode is adopted; 2. the upper flange, the lower flange, the web and the box column of the H-shaped steel beam are connected by welding seams, namely, an all-welded connection mode; 3. the upper flange, the lower flange, the web and the box column of the H-shaped steel beam are connected by high-strength bolts, namely, in a full-bolt connection mode. However, in any form, inner partition plates need to be arranged in the box-type columns at the upper and lower wing edges of the H-shaped steel beam, electroslag welding needs to be adopted for the inner partition plates, and the welding process is complex, so that project cost is increased. In addition, in order to reduce project cost, finished box-type columns are adopted in many projects, inner partition plates cannot be welded inside the finished box-type columns, and further the strength of beam-column rigid connection nodes is reduced, so that the potential safety hazards of project structures are caused.
SUMMERY OF THE UTILITY MODEL
Aiming at various problems existing in the connection node form of the H-shaped steel beam and the box column in the prior art, the utility model provides a box column and H-shaped steel beam rigid connection node, aiming at overcoming the defect of the rigid connection node of the existing box column and H-shaped steel beam, so that the connection node of the box column and the H-shaped steel beam in a steel frame structure realizes reasonable force transmission, meets the requirement of node mechanical property, and can ensure the node strength.
The technical scheme of the utility model is described as follows:
a box post and H shaped steel roof beam rigid connection node includes:
the steel column comprises a box-shaped column (1), wherein a steel column corner connecting plate (4) is connected to the angular position of the box-shaped column (1);
h shaped steel roof beam (2), H shaped steel roof beam (2) are including last pterygoid lamina, web and the lower pterygoid lamina that from top to bottom connects gradually, go up the pterygoid lamina with the lower pterygoid lamina is connected with beam-ends edge of a wing connecting plate (5) respectively, beam-ends edge of a wing connecting plate (5) all are connected with girder steel tip connecting plate (3), girder steel tip connecting plate (3) with steel column bight connecting plate (4) are connected through high strength bolt (7), girder steel tip connecting plate (3) with be connected with girder steel web side strength plate (6) between the web of H shaped steel roof beam (2).
It can be seen that through the structure that girder steel tip connecting plate (3) and steel column bight connecting plate (4) are connected through high strength bolt (7), realize being connected of H shaped steel roof beam (2) and box post (1), make the beam-ends moment of flexure transmit steel column bight connecting plate (4) through girder steel tip connecting plate (3), thereby transmit to box post (1) bight, and because box post (1) bight rigidity is great, then can need not to add the interior baffle, can satisfy the reliable transmission of moment of flexure promptly. Meanwhile, a steel beam web side stiffening plate (6) is connected between the steel beam end connecting plate (3) and the web of the H-shaped steel beam (2), so that the node can be guaranteed to have enough rigidity.
In addition, in order to further improve the stability and reliability of the connection structure of the steel column corner connecting plate (4) and the steel beam end connecting plate (3), one side surface of the steel column corner connecting plate (4) is in contact with one side surface of the steel beam end connecting plate (3).
In addition, in order to facilitate connection of the steel beam end connecting plate (3) with the steel column corner connecting plate (4) and the beam end flange connecting plate (5), the steel beam end connecting plate (3) is an L-shaped single-bending-structure bending plate, the single-bending-structure bending plate comprises an end side plate body and a corner side plate body which are sequentially connected, the corner side plate body is connected with the steel column corner connecting plate (4), and the end side plate body is connected with the beam end flange connecting plate (5).
Furthermore, the steel beam end connecting plate (3) may be an n-type double-bending structure bending plate, the double-bending structure bending plate includes a first corner side plate body, an end side plate body, and a second corner side plate body, which are connected in sequence, the end side plate body is connected to the beam end flange connecting plate (5), the first corner side plate body is connected to one of the steel column corner connecting plates (4), the end side plate body is connected to the beam end flange connecting plate (5), and the second corner side plate body is connected to the other of the steel column corner connecting plates (4).
At this time, two sides of the steel column corner connecting plate (4) can be respectively connected with the two steel column corner connecting plates (4) through high-strength bolts (7).
In practical application of the fabricated steel structure, the steel column corner connecting plates (4) are respectively connected to four corners of the box column (1).
And two sides of the steel column corner connecting plate (4) are respectively connected with the first corner side plate body of one double-bending structure bending plate and the second corner side plate body of the other double-bending structure bending plate in a matched manner.
And the steel column corner connecting plates (4) at the four corners of the box column (1) are respectively connected with the H-shaped steel beam (2) through the steel beam end connecting plates (3) in a matched mode.
In order to improve the balance stability of the connecting structure, the included angle between every two adjacent steel column corner connecting plates (4) is equal. At the moment, the included angle between every two adjacent steel column corner connecting plates (4) is a right angle. And the included angle between the first corner side plate body and the end side plate body and the included angle between the second corner side plate body and the end side plate body of the double-bending structure bending plate are obtuse angles.
As a matching structure, the beam end flange connecting plate (5) is a hexagonal plate formed by connecting two isosceles trapezoidal plates at the bottom edge, the end side plate body is connected with one top edge of the hexagonal plate, and the upper wing plate and the lower wing plate are respectively connected with the other top edge of the hexagonal plate.
The utility model has the beneficial effects that:
the box column and H-shaped steel beam rigid joint can solve various problems existing in the connection joint form of the H-shaped steel beam and the box column in the prior art, and overcomes the defect of the conventional box column and H-shaped steel beam rigid joint; it has the following advantages in particular:
1. in the steel frame structure, beam-end bending moment is transmitted to the steel column corner connecting plate through the steel beam end connecting plate, and reliable transmission of bending moment can be met through a firm connecting structure of high-strength bolts by utilizing the characteristic of high rigidity of the corner of the box-type column without adding an inner partition plate; the reasonable transmission of force of the connecting joint of the box column and the H-shaped steel beam is realized, the mechanical property requirement of the joint is met, and the strength of the joint is ensured;
2. the web plate side stiffening plate of the steel beam is connected between the connecting plate at the end part of the steel beam and the web plate of the H-shaped steel beam, so that the node has enough rigidity;
3. the box column and steel column corner connecting plate, the H-shaped steel beam and beam end flange connecting plate and the steel beam end connecting plate can be integrally welded in a factory, and the integrated structure welded in the factory can be installed on site through friction-type high-strength bolts during construction, so that the installation is simplified, and the efficiency is improved.
Therefore, compared with the traditional box column provided with the inner partition plate, the box column and the H-shaped steel beam rigid connection node has the advantages that the processing technology is simple, the processing and mounting efficiency is higher, and the quality of a welding structure can be better ensured; the rigid connection node can realize full bolt connection, greatly improves the speed of field installation, improves the integral assembly rate of projects, and is suitable for multi-story and high-rise steel frame structures.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a top view of a rigid connection node of a box column and an H-beam of the present invention;
FIG. 2 is a side view of the box column and H-beam rigid connection joint of the present invention;
FIG. 3 is a cross-sectional view of the top of a box-type column;
FIG. 4 is a top view of the beam end of the H-section steel beam;
FIG. 5 is a schematic view of a rigid connection node between a box column and an H-shaped steel beam according to the present invention.
Description of the various reference symbols: 1: box column, 2: h-shaped steel beam, 3: girder steel end connection board, 4: steel column corner connecting plate, 5: beam-end flange connecting plate, 6: girder steel web side stiffening plate, 7: high-strength bolt.
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 clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Examples
Because each connected node form of H shaped steel roof beam and box post among the prior art has following defect: an inner partition plate needs to be arranged in the box-type column through electroslag welding, the welding process is complex, the project cost is increased, and the inner partition plate cannot be welded inside the finished box-type column, so that the strength of a beam-column rigid connection node is reduced, and the potential safety hazard of the project structure is caused. Therefore, the present embodiment aims to provide a solution for providing a rigid connection node between a box column and an H-shaped steel beam, which achieves the following purposes: the reliable transmission of the bending moment can be met without adding an inner partition plate; the reasonable transmission of force is realized to the connected node of realization box column and H shaped steel roof beam, satisfies node mechanical properties requirement, guarantees node intensity and sufficient rigidity.
In order to achieve the above purpose, referring to fig. 1 and 2, the box column and H-beam rigid connection node of the present embodiment, referring to fig. 3 and 4, includes a box column 1 and an H-beam 2, referring to fig. 5, a steel column corner connection plate 4 is connected at an angular position of the box column 1; h shaped steel roof beam 2 is including last pterygoid lamina, web and the lower pterygoid lamina that from top to bottom connects gradually, and last pterygoid lamina and lower pterygoid lamina are connected with roof beam end edge of a wing connecting plate 5 respectively, and roof beam end edge of a wing connecting plate 5 all is connected with girder steel tip connecting plate 3, and girder steel tip connecting plate 3 is connected through high strength bolt 7 with steel column bight connecting plate 4, is connected with girder steel web side strength plate 6 between the web of girder steel tip connecting plate 3 and H shaped steel roof beam 2.
Through finite element program loading analysis, the box column and H shaped steel girder rigid connection node of this embodiment, its whole deformation of structure and stress maximum department all appear in girder steel end connection board 3 and 1 bight of box column, and girder steel end connection board 3 common steel sheet thickness and 1 wall thickness of box column can satisfy the atress requirement, and box column 1 need not to set up the inner baffle. So when structural design, only need according to the load size, select appropriate girder steel tip connecting plate 3 and 1 wall thickness of box column, can make the intensity and the stability of the assembled node of this embodiment can satisfy the design demand promptly.
Referring to fig. 1, in order to further improve steel column bight connecting plate 4 and girder steel end connection plate 3's connection structure stability and reliability, steel column bight connecting plate 4's a side and girder steel end connection plate 3's a side laminating contact, steel column bight connecting plate 4 and girder steel end connection plate 3 of laminating contact, its structure after connecting through high-strength bolt 7 is more reliable and more stable, avoids connection structure to produce not hard up and rock.
For the convenience of being connected with steel column bight connecting plate 4 and beam-ends edge of a wing connecting plate 5 simultaneously for girder steel tip connecting plate 3, girder steel tip connecting plate 3 sets up the single bending structure bending plate into the L type, and single bending structure bending plate is including the tip curb plate body and the bight curb plate body that connect gradually, and the bight curb plate body is connected with steel column bight connecting plate 4, and the tip curb plate body is connected with beam-ends edge of a wing connecting plate 5. The bending angle of the L-shaped single-bending-structure bending plate can be an obtuse angle, and the bending angle is determined by the fact that the corner side plate body can be in contact with the steel column corner connecting plate 4 and the end side plate body can be in contact with the beam-end flange connecting plate 5 in a fitting mode.
Referring to fig. 1, the steel beam end connection plate 3 may be an n-type double-bending-structure bending plate, the double-bending-structure bending plate includes a first corner-side plate body, an end-side plate body, and a second corner-side plate body, which are connected in sequence, the end-side plate body is connected to the beam-end flange connection plate 5, the first corner-side plate body is connected to one steel column corner connection plate 4, the end-side plate body is connected to the beam-end flange connection plate 5, and the second corner-side plate body is connected to the other steel column corner connection plate 4. At this time, two sides of the steel column corner connecting plate 4 may be connected to the two steel column corner connecting plates 4 through high-strength bolts 7.
Referring to fig. 3, in this case, in practical application of the fabricated steel structure, steel column corner connecting plates 4 are connected to four corners of the box-type column 1, respectively. At this time, two sides of the steel column corner connecting plate 4 are respectively connected with the first corner side plate body of one double-bending structure bending plate and the second corner side plate body of the other double-bending structure bending plate. Then, the steel column corner connecting plates 4 at four angular positions of the box-type column 1 are respectively connected with the H-shaped steel beam 2 through the steel beam end connecting plates 3. Namely, four H-shaped steel beams 2 are connected to the circumference of the same horizontal plane of the box column 1.
In order to improve the balance stability of the connecting structure, the included angle between every two adjacent steel column corner connecting plates 4 is equal. At this time, referring to fig. 3, the included angle between every two adjacent steel column corner connecting plates 4 is a right angle. As a matching structure, an included angle between the first corner side plate body and the end side plate body of the double-bending structure bending plate and an included angle between the second corner side plate body and the end side plate body are obtuse angles, the beam end flange connecting plate 5 may be an isosceles trapezoid plate, the end side plate body is connected with the top edge of the isosceles trapezoid plate, and the upper wing plate and the lower wing plate are respectively connected with the bottom edge of the isosceles trapezoid plate. Specifically, referring to fig. 3, since the included angle between every two adjacent steel column corner connecting plates 4 is a right angle, the included angle between each steel column corner connecting plate 4 and the adjacent side wall of the box column 1 is 135 °, referring to fig. 4, since the end side plate body is in contact with the top edge of the beam end flange connecting plate 5 and is in contact with the side wall of the box column 1, the included angle between the first angle side plate body and the end side plate body, and the included angle between the second angle side plate body and the end side plate body are also 135 °.
Alternatively, referring to fig. 1, the beam-end flange connecting plate 5 may be a hexagonal plate formed by connecting two isosceles trapezoidal plates at the bottom edge, the end-side plate being connected to one top edge of the hexagonal plate, and the upper wing plate and the lower wing plate being connected to the other top edge of the hexagonal plate, respectively. At this time, referring to fig. 4, in the hexagonal plate, the vertex angle sandwiched between the two sides connected to the first corner side plate body and the end side plate body and the vertex angle of the vertex angle are both 135 °, the vertex angle sandwiched between the two sides connected to the second corner side plate body and the end side plate body and the vertex angle of the vertex angle are both 135 °, the remaining two vertex angles are both 90 °, and each of the two vertex angles of 90 ° has one side to be in contact connection with the first corner side plate body and the second corner side plate body respectively.
The box column 1 and the steel column corner connecting plate 4, the H-shaped steel beam 2 and the beam end flange connecting plate 5, and the beam end flange connecting plate 5 and the steel beam end connecting plate 3 can be integrally welded in a factory, and the welded connection can adopt a full penetration secondary welding seam. When the box column and H-shaped steel beam rigid connection node of the above embodiment is applied to a steel frame structure, the installation method may be: firstly, hoisting a steel column of a box column 1 in place and leveling, then vertically lowering a steel beam of an H-shaped steel beam 2 from the upper part of a node, and finally, connecting and screwing a connecting plate 3 at the end part of the steel beam and a connecting plate 4 at the corner part of the steel column firmly through a high-strength bolt 7. Therefore, the installation is extremely simple and convenient, and time and labor are saved.
In addition, the beam end flange connecting plate 5 can preferably adopt a No. 5 reinforcing plate steel plate so as to enhance the tensile bending strength and the compressive bending strength of the beam end flange of the H-shaped steel beam 2 and improve the stability of the outer side of the beam end surface of the H-shaped steel beam 2; the thickness of the steel beam end connecting plate 3 is preferably more than or equal to 20mm so as to further ensure the reliable transmission of the bending moment.
Some of these are more specifically described below: the box column 1 is a vertical rectangular steel column, the H-shaped steel beam 2 is a horizontal steel beam, the steel beam end connecting plate 3 is a vertical rectangular steel plate, the steel column corner connecting plate 4 is a vertical rectangular steel plate, and the beam end flange connecting plate 5 is a horizontal steel plate. On the same horizontal plane, the two sides of the web plate of the H-shaped steel beam 2 can be respectively connected with steel beam web plate lateral stiffening plates 6, and the steel beam web plate lateral stiffening plates 6 on the two sides form a group of web plate reinforcing structures. The steel beam web side stiffening plates 6 can be transverse triangular plates or trapezoidal plates. On the same horizontal plane, the steel beam web plate side stiffening plates 6 on both sides of the web plate of the H-shaped steel beam 2 are simultaneously connected with the web plate of the H-shaped steel beam 2, the end side plate body of the steel beam end connecting plate 3, the first corner side plate body or the second corner side plate body, for example, welded. On a plurality of horizontal planes more than two from top to bottom, the web of H shaped steel roof beam 2 can set up web additional strengthening respectively. The multiple groups of web reinforcing structures from top to bottom can be uniformly distributed. Namely, the two sides of the web plate of the H-shaped steel beam 2 can be connected with a plurality of pairs of steel beam web plate lateral stiffening plates 6 from top to bottom in an evenly distributed manner. The number of the high-strength bolts 7 may also be two or more, the number of each group of high-strength bolts 7 may be at least two, and the multiple groups of high-strength bolts 7 may be uniformly distributed in rows, columns or matrixes.
In order to better exert the bending moment transferring effect of the steel beam end connecting plate 3 and improve the firmness and stability of the connection part, the vertical height of the H-shaped steel beam 2 is preferably less than or equal to the vertical length of the steel beam end connecting plate 3. Or preferably, the distance between the top surface of the beam end flange connecting plate 5 connected with the upper flange of the H-shaped steel beam 2 and the bottom surface of the beam end flange connecting plate 5 connected with the lower flange of the H-shaped steel beam 2 is less than or equal to the vertical length of the steel beam end connecting plate 3.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a box post and H shaped steel roof beam rigid connection node which characterized in that includes:
the steel column comprises a box-shaped column (1), wherein a steel column corner connecting plate (4) is connected to the angular position of the box-shaped column (1);
h shaped steel roof beam (2), H shaped steel roof beam (2) are including last pterygoid lamina, web and the lower pterygoid lamina that from top to bottom connects gradually, go up the pterygoid lamina with the lower pterygoid lamina is connected with beam-ends edge of a wing connecting plate (5) respectively, beam-ends edge of a wing connecting plate (5) all are connected with girder steel tip connecting plate (3), girder steel tip connecting plate (3) with steel column bight connecting plate (4) are connected through high strength bolt (7), girder steel tip connecting plate (3) with be connected with girder steel web side strength plate (6) between the web of H shaped steel roof beam (2).
2. A box column and H-section steel beam rigid joint according to claim 1, wherein one side of the steel column corner web (4) is in abutting contact with one side of the steel beam end web (3).
3. A box column and H-section steel beam rigid joint according to claim 2, wherein the steel beam end connection plates (3) are provided as L-shaped single-bend structural bent plates comprising end side plate bodies and corner side plate bodies connected in sequence, the corner side plate bodies are connected with the steel column corner connection plates (4), and the end side plate bodies are connected with the beam end flange connection plates (5).
4. The box-type column and H-type steel beam rigid connection node according to claim 2, wherein the steel beam end connection plate (3) is configured as an n-type double-bending structure bending plate, the double-bending structure bending plate comprises a first corner side plate body, an end side plate body and a second corner side plate body which are connected in sequence, the end side plate body is connected with the beam end flange connection plate (5), the first corner side plate body is connected with one steel column corner connection plate (4), the end side plate body is connected with the beam end flange connection plate (5), and the second corner side plate body is connected with the other steel column corner connection plate (4).
5. A box column and H-section steel beam rigid joint according to claim 4, wherein both sides of the steel column corner connecting plates (4) can be connected with two of the steel column corner connecting plates (4) respectively by high-strength bolts (7).
6. A box column and H-section steel beam rigid connection node according to claim 5, characterised in that the steel column corner connecting plates (4) are connected at each of the four corners of the box column (1).
7. A box-type column and H-shaped steel beam rigid joint according to claim 6, wherein two sides of the steel column corner connecting plate (4) are respectively connected with the first corner side plate body of one double-bending structure bending plate and the second corner side plate body of the other double-bending structure bending plate.
8. A box column and H-section steel beam rigid connection node according to claim 7, characterised in that the steel column corner connection plates (4) at the four corner positions of the box column (1) are connected to the H-section steel beam (2) by the steel beam end connection plates (3) respectively.
9. A box column and H-section steel beam rigid joint according to claim 8, wherein the included angle between each adjacent two of the steel column corner webs (4) is equal.
10. A box column and H-section steel beam rigid joint as recited in claim 9, wherein said beam end flange connecting plate (5) is a hexagonal plate formed by connecting two isosceles trapezoidal plates at the bottom edge, said end side plate is connected to one top edge of said hexagonal plate, and said upper wing plate and said lower wing plate are connected to the other top edge of said hexagonal plate, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122521941.8U CN216195427U (en) | 2021-10-20 | 2021-10-20 | Box column and H shaped steel roof beam rigid connection node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122521941.8U CN216195427U (en) | 2021-10-20 | 2021-10-20 | Box column and H shaped steel roof beam rigid connection node |
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| CN216195427U true CN216195427U (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075390A (en) * | 2022-07-25 | 2022-09-20 | 重庆大学 | Steel beam and end plate interconnection type node connecting structure and assembling method thereof |
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2021
- 2021-10-20 CN CN202122521941.8U patent/CN216195427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075390A (en) * | 2022-07-25 | 2022-09-20 | 重庆大学 | Steel beam and end plate interconnection type node connecting structure and assembling method thereof |
| CN115075390B (en) * | 2022-07-25 | 2023-10-27 | 重庆大学 | Steel beam end plate interconnection type node connection structure and assembly method thereof |
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