Node connecting piece of steel reinforced concrete column and reinforced concrete beam

By using the interlaced welding connection surface and steel beef leg design in the node connection between reinforced concrete beams and steel bone concrete columns, the problem of inability to guarantee welding quality in the prior art is solved, and high-quality connection effect is achieved.

CN222252492UActive Publication Date: 2024-12-27CHINA POWER CONSTR GRP ARCHITECTURAL PLANNING & DESIGN INST CO LTD +1
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Patent Information

Application Number
CN202421062523.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2024-12-27
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

In high-rise steel structure buildings, when the reinforced concrete beams are connected to the nodes of steel-bonded concrete columns, the prior art is difficult to ensure welding quality, especially when the longitudinal ribs in the beam are arranged in two rows up and down, welding is difficult and welding cannot be guaranteed. quality.

Method used

A node connection piece including an upper connecting plate, a lower connecting plate and a steel beef leg is designed. By setting an interlaced welding connection surface on the steel beef leg, the longitudinal ribs of the reinforced concrete beam are made with the welding surface of the connecting plate and the beef leg. Welding forms a welding operation space to ensure welding quality.

Benefits of technology

This design is convenient for construction, effectively guarantees the welding quality of steel-branch concrete columns and reinforced concrete beams, and solves the quality problems caused by excessive welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a joint connecting piece for a steel-reinforced concrete column and a reinforced concrete beam. The joint connecting piece comprises an upper connecting plate, a lower connecting plate, a steel corbel, an upper-layer welding connecting surface and a lower-layer welding connecting surface, one end of the reinforced concrete beam is arranged outside the upper connecting plate, the lower connecting plate and the steel corbel in a sleeving mode, and longitudinal bars of the reinforced concrete beam are welded to the corresponding positions. The utility model provides a node connecting piece for a steel-reinforced concrete column and a reinforced concrete beam. The node connecting piece comprises a connecting plate and a steel corbel, one side of the connecting plate is connected with the steel-reinforced concrete column, and the other side is welded with the first row of corner longitudinal bars of the beam; one side of the steel corbel is connected with the steel-reinforced concrete column through the stiffening rib, the other side of the steel corbel is welded with the middle part of the beam and the second row of longitudinal bars, and welding surfaces are staggered and are not positioned at the same height, so that a welding operation space is formed, the operation is convenient, the welding quality is ensured, and the problem that welding seams are too dense when all connecting plates are connected in the prior art is solved. And the welding quality cannot be guaranteed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building structure connectors, and in particular relates to a node connector for a steel-framed concrete column and a reinforced concrete beam. Background Art

[0002] In high-rise steel structure office buildings, the above-ground frame columns are mostly box-section columns, and the underground part usually uses reinforced concrete columns and reinforced concrete beams. According to the structural requirements, the upper box-section columns need to be inserted one layer below to form steel-framed concrete columns. Therefore, when the building function is limited and it is impossible to add axillary reinforcement at the end of the frame beam, the problem of connecting the longitudinal reinforcement of the reinforced concrete beam at the node with the inner steel of the steel-framed concrete column arises. The method commonly used at present is to transfer through a steel bar connector. The above technical solution can realize the connection between the steel-framed concrete column and the longitudinal reinforcement in the reinforced concrete beam, but if the longitudinal reinforcement in the beam is arranged in two rows up and down, the usual connection method has the problem of welding difficulties and the welding quality cannot be guaranteed. Utility Model Content

[0003] In view of the defects in the prior art, the utility model provides a node connector for a steel-framed concrete column and a reinforced concrete beam, which can effectively solve the above problems.

[0004] The technical solution adopted by the utility model is as follows:

[0005] The utility model provides a node connector for a steel-framed concrete column and a reinforced concrete beam, comprising an upper connecting plate (1), a lower connecting plate (2), a steel bracket (3), an upper welding connecting surface (5a) and a lower welding connecting surface (5b);

[0006] The upper connecting plate (1), the steel corbel (3) and the lower connecting plate (2) are fixedly installed in sequence from top to bottom on the outside of the side surface of the steel-framed concrete column (20) in parallel; wherein the lengths of the upper connecting plate (1) and the lower connecting plate (2) are shorter than the length of the steel corbel (3); the upper layer welding connection surface (5a) is arranged on the upper surface of the steel corbel (3) close to the upper connecting plate (1); the upper layer welding connection surface (5a) is lower than the upper connecting plate (1) in the height direction and is staggered with the upper connecting plate (1) in the horizontal direction; the lower layer welding connection surface (5b) is arranged on the lower surface of the steel corbel (3) close to the lower connecting plate (2); the lower layer welding connection surface (5b) is lower than the lower connecting plate (2) in the height direction and is staggered with the lower connecting plate (2) in the horizontal direction;

[0007] One end of the reinforced concrete beam (30) is inserted into the outside of the upper connecting plate (1), the lower connecting plate (2) and the steel corbel (3), and the first row of longitudinal bars (1a) at the corner of the upper part of the reinforced concrete beam (30) is welded to the upper connecting plate (1), the first row of longitudinal bars (1b) at the middle part of the upper part of the beam and the second row of longitudinal bars (1c) at the upper part of the beam are welded to the upper welding connection surface (5a), the first row of longitudinal bars (2b) at the middle part of the bottom part of the beam and the second row of longitudinal bars (2c) at the bottom part of the beam are welded to the lower welding connection surface (5b), and the first row of longitudinal bars (2a) at the corner of the bottom part of the beam is welded to the lower connecting plate (2), thereby achieving the connection and fixation of the reinforced concrete beam (30) and the steel frame concrete column (20).

[0008] Preferably, the steel corbel (3) comprises a web (6), an upper flange (7) and a lower flange (8);

[0009] The upper flange (7) is fixedly arranged on the upper surface of the web (6), and the upper layer welding connection surface (5a) is arranged on the upper surface of the upper flange (7); the lower flange (8) is fixedly arranged on the lower surface of the web (6); and the lower layer welding connection surface (5b) is arranged on the lower surface of the lower flange (8).

[0010] Preferably, the web (6) is provided with reserved holes (11) required for the column stirrups of the reinforced concrete beam (30) to pass through.

[0011] Preferably, bolts (4) are respectively provided on the upper surface and the lower surface of the steel corbel (3).

[0012] Preferably, the upper connecting plate (1), the lower connecting plate (2) and the steel corbel (3) are arranged separately.

[0013] Preferably, in the inner cavity of the steel-framed concrete column (20), an upper column stiffening rib (9) is arranged at a position corresponding to the upper connecting plate (1), and a lower column stiffening rib (10) is arranged at a position corresponding to the lower connecting plate (2).

[0014] The utility model provides a node connector for a steel frame concrete column and a reinforced concrete beam, which has the following advantages:

[0015] The utility model provides a node connector for a steel-framed concrete column and a reinforced concrete beam, comprising a connecting plate and a steel corbel; one side of the connecting plate is connected to the steel-framed concrete column, and the other side is welded to the first row of longitudinal bars at the corner of the beam; one side of the steel corbel is connected to the steel-framed concrete column through a stiffening rib, and the other side is welded to the middle part of the beam and the second row of longitudinal bars. Since the welding surfaces are staggered and not located at the same height, a welding operation space is formed, which is convenient for operation and ensures welding quality, thereby solving the problem in the prior art that when all the connecting plates are connected, the welds are too dense and the welding quality cannot be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A front view of a node connector between a steel-framed concrete column and a reinforced concrete beam provided by the utility model;

[0017] Figure 2 The utility model is a top view of a node connection piece between a steel-framed concrete column and a reinforced concrete beam.

[0018] in:

[0019] Upper connecting plate 1, lower connecting plate 2, steel corbel 3, studs 4, upper welded connecting surface 5a, lower welded connecting surface 5b, web 6, upper flange 7, lower flange 8, upper stiffening ribs 9 in column, lower stiffening ribs 10 in column, first row of corner longitudinal bars 1a on the upper part of beam, first row of middle longitudinal bars 1b on the upper part of beam, second row of longitudinal bars 1c on the upper part of beam, first row of corner longitudinal bars 2a on the bottom of beam, first row of middle longitudinal bars 2b on the bottom of beam, second row of longitudinal bars 2c on the bottom of beam. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0022] The utility model provides a node connector for a steel frame concrete column and a reinforced concrete beam, which has the advantages of convenient construction and effectively ensuring the welding quality of the steel frame concrete column and the reinforced concrete beam.

[0023] See also Figure 1 and Figure 2The utility model provides a node connector for a steel-framed concrete column and a reinforced concrete beam, comprising an upper connecting plate 1, a lower connecting plate 2, a steel corbel 3, an upper layer welding connecting surface 5a and a lower layer welding connecting surface 5b;

[0024] On the outside of the side of the steel-framed concrete column 20, the upper connecting plate 1, the steel corbel 3 and the lower connecting plate 2 arranged in parallel are fixedly installed in sequence from top to bottom; wherein, one side of the upper connecting plate 1, the steel corbel 3 and the lower connecting plate 2 are welded and fixed to the outer surface of the steel-framed concrete column 20; the length of the upper connecting plate 1 and the lower connecting plate 2 is shorter than the length of the steel corbel 3; the upper surface of the steel corbel 3 close to the upper connecting plate 1 is provided with an upper layer welding connection surface 5a; the upper layer welding connection surface 5a is lower than the upper connecting plate 1 in the height direction, and is staggered with the upper connecting plate 1 in the horizontal direction; the lower surface of the steel corbel 3 close to the lower connecting plate 2 is provided with a lower layer welding connection surface 5a; The lower welded connection surface 5b is lower than the lower connection plate 2 in the height direction and is staggered with the lower connection plate 2 in the horizontal direction. As a specific structure, the steel corbel 3 includes a web 6, an upper flange 7 and a lower flange 8. The upper flange 7 is fixedly arranged on the upper surface of the web 6, and the upper welded connection surface 5a is arranged on the upper surface of the upper flange 7. The upper welded connection surface 5a is located below the upper connection plate 1. The lower flange 8 is fixedly arranged on the lower surface of the web 6. The lower welded connection surface 5b is arranged on the lower surface of the lower flange 8. The lower welded connection surface 5b is located above the lower connection plate 2. The web 6 is provided with a reserved hole 11 required for the column stirrups of the reinforced concrete beam 30 to pass through. The upper and lower surfaces of the steel corbel 3 are each provided with a stud 4. The upper connection plate 1, the lower connection plate 2 and the steel corbel 3 are separately arranged to form a node connection.

[0025] One end of the reinforced concrete beam 30 is inserted into the outside of the upper connecting plate 1, the lower connecting plate 2 and the steel corbel 3, and the first row of corner longitudinal bars 1a on the upper part of the reinforced concrete beam 30 is welded to the upper connecting plate 1, the first row of middle longitudinal bars 1b on the upper part of the beam and the second row of longitudinal bars 1c on the upper part of the beam are welded to the upper welding connection surface 5a, the first row of middle longitudinal bars 2b on the bottom of the beam and the second row of longitudinal bars 2c on the bottom of the beam are welded to the lower welding connection surface 5b, and the first row of corner longitudinal bars 2a on the bottom of the beam is welded to the lower connecting plate 2, thereby realizing the connection and fixation of the reinforced concrete beam 30 and the steel-framed concrete column 20.

[0026] Therefore, in the present application, in the height direction, from top to bottom, an upper connecting plate 1, an upper welding connecting surface 5a, a lower welding connecting surface 5b and a lower connecting plate 2 are sequentially arranged; and, the upper connecting plate 1 and the upper welding connecting surface 5a are staggered in the horizontal direction, and the lower welding connecting surface 5b and the lower connecting plate 2 are staggered in the horizontal direction. For the longitudinal bars of the reinforced concrete beam 30 that are not at the same height, it is convenient to weld the longitudinal bars to the welding connecting surface or the surface of the connecting plate at the corresponding height. Moreover, the positions of the welds formed by the upper connecting plate 1 and the upper welding connecting surface 5a are staggered, and the positions of the welds formed by the lower welding connecting surface 5b and the lower connecting plate 2 are staggered, forming a welding operation space, facilitating operation, and ensuring welding quality, thereby solving the problem of the inability to ensure welding quality due to poor on-site welding conditions.

[0027] Furthermore, in the inner cavity of the steel-framed concrete column 20, upper stiffening ribs 9 are arranged in the column at positions corresponding to the upper connecting plates 1, and lower stiffening ribs 10 are arranged in the column at positions corresponding to the lower connecting plates 2, so as to improve the connection strength between the steel corbel 3 and the steel frame in the steel-framed concrete column 20.

[0028] The utility model provides a node connector for a steel-framed concrete column and a reinforced concrete beam, comprising a connecting plate and a steel corbel; one side of the connecting plate is connected to the steel-framed concrete column, and the other side is welded to the first row of longitudinal bars at the corner of the beam; one side of the steel corbel is connected to the steel-framed concrete column through a stiffening rib, and the other side is welded to the middle part of the beam and the second row of longitudinal bars. Since the welding surfaces are staggered and not located at the same height, a welding operation space is formed, which is convenient for operation and ensures welding quality, thereby solving the problem in the prior art that when all the connecting plates are connected, the welds are too dense and the welding quality cannot be guaranteed.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A node connector for a steel-framed concrete column and a reinforced concrete beam, characterized in that: It comprises an upper connecting plate (1), a lower connecting plate (2), a steel bracket (3), an upper welding connecting surface (5a) and a lower welding connecting surface (5b); The upper connecting plate (1), the steel corbel (3) and the lower connecting plate (2) are fixedly installed in sequence from top to bottom on the outside of the side surface of the steel-framed concrete column (20) in parallel; wherein the lengths of the upper connecting plate (1) and the lower connecting plate (2) are shorter than the length of the steel corbel (3); the upper layer welding connection surface (5a) is arranged on the upper surface of the steel corbel (3) close to the upper connecting plate (1); the upper layer welding connection surface (5a) is lower than the upper connecting plate (1) in the height direction and is staggered with the upper connecting plate (1) in the horizontal direction; the lower layer welding connection surface (5b) is arranged on the lower surface of the steel corbel (3) close to the lower connecting plate (2); the lower layer welding connection surface (5b) is lower than the lower connecting plate (2) in the height direction and is staggered with the lower connecting plate (2) in the horizontal direction; One end of the reinforced concrete beam (30) is inserted into the outside of the upper connecting plate (1), the lower connecting plate (2) and the steel corbel (3), and the first row of longitudinal bars (1a) at the corner of the upper part of the reinforced concrete beam (30) is welded to the upper connecting plate (1), the first row of longitudinal bars (1b) at the middle part of the upper part of the beam and the second row of longitudinal bars (1c) at the upper part of the beam are welded to the upper welding connection surface (5a), the first row of longitudinal bars (2b) at the middle part of the bottom part of the beam and the second row of longitudinal bars (2c) at the bottom part of the beam are welded to the lower welding connection surface (5b), and the first row of longitudinal bars (2a) at the corner of the bottom part of the beam is welded to the lower connecting plate (2), thereby achieving the connection and fixation of the reinforced concrete beam (30) and the steel frame concrete column (20).

2. A node connector for a steel-framed concrete column and a reinforced concrete beam according to claim 1, characterized in that: The steel corbel (3) comprises a web (6), an upper flange (7) and a lower flange (8); The upper flange (7) is fixedly arranged on the upper surface of the web (6), and the upper layer welding connection surface (5a) is arranged on the upper surface of the upper flange (7); the lower flange (8) is fixedly arranged on the lower surface of the web (6); and the lower layer welding connection surface (5b) is arranged on the lower surface of the lower flange (8).

3. A node connector for a steel-framed concrete column and a reinforced concrete beam according to claim 2, characterized in that: The web (6) is provided with reserved holes (11) required for the column stirrups of the reinforced concrete beam (30) to pass through.

4. The node connector of a steel frame concrete column and a reinforced concrete beam according to claim 1, characterized in that: The upper surface and the lower surface of the steel corbel (3) are each provided with a bolt (4).

5. The node connector of a steel frame concrete column and a reinforced concrete beam according to claim 1, characterized in that: The upper connecting plate (1), the lower connecting plate (2) and the steel corbel (3) are arranged separately.

6. A node connector for a steel-framed concrete column and a reinforced concrete beam according to claim 1, characterized in that: In the inner cavity of the steel frame concrete column (20), an upper column stiffening rib (9) is arranged at a position corresponding to the upper connecting plate (1), and a lower column stiffening rib (10) is arranged at a position corresponding to the lower connecting plate (2).