A structure of a connecting joint of main reinforcement of upper and lower columns of a stiff steel column and a construction method thereof

Abstract

The application provides a kind of stiff steel column upper and lower column main reinforcement connecting node structure and construction method, belong to building construction technical field, including steel column, multiple upper column main reinforcement and multiple lower column main reinforcement, multiple upper column main reinforcement and multiple lower column main reinforcement between being equipped with connecting plate body, connecting plate body is welded on steel column, connecting plate body is equipped with lower connecting area on multiple lower column main reinforcement, multiple upper column main reinforcement is welded and fixed on upper connecting area, multiple lower column main reinforcement is welded and fixed on lower connecting area.The application provides a kind of stiff steel column upper and lower column main reinforcement connecting node structure, by welding and fixing connecting plate body at the connecting node of steel column corresponding upper column main reinforcement and lower column main reinforcement, can weld and fix upper column main reinforcement and lower column main reinforcement on connecting plate body, so that upper column main reinforcement and lower column main reinforcement ensure the continuity and integrity of connection, so that the whole building structure strength is improved, stability is enhanced.

Description

Technical Field

[0001] This invention belongs to the field of building construction technology, and more specifically, it relates to a connection node structure and construction method for the main reinforcement of upper and lower layers of a rigid steel column. Background Technology

[0002] Steel structure materials are environmentally friendly, lightweight, and high-strength, and are widely used in public buildings. In the construction of reinforced steel columns, the arrangement and connection of the reinforcing bars in the core area of ​​the beams and columns are particularly critical. However, when encountering densely arranged reinforcing bars in concrete beams and differences in the number of main reinforcing bars between upper and lower layers, the main reinforcing bars cannot be connected using sleeves, leading to structural safety hazards. Current practices typically involve using a single, continuous reinforcing bar to run directly through both layers as the main reinforcing bar. This undoubtedly increases the amount of reinforcing bar used and raises production costs. Furthermore, in some environments, the upper and lower layers of the reinforced steel column cannot simultaneously accommodate too many main reinforcing bars, making the above approach impractical. Summary of the Invention

[0003] The purpose of this invention is to provide a connection node structure and construction method for the main reinforcement of upper and lower layers of a rigid steel column, which aims to solve the problem that the upper and lower layers of a rigid steel column cannot be easily connected into a whole when the number of main reinforcements is different, resulting in the instability of the building structure.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A connection node structure and construction method for the main reinforcement bars of upper and lower layers of a rigid steel column is provided, comprising a steel column, multiple upper-layer main reinforcement bars, and multiple lower-layer main reinforcement bars. A connecting plate is provided between the multiple upper-layer main reinforcement bars and the multiple lower-layer main reinforcement bars. The connecting plate is welded to the steel column. An upper connecting area is provided on the connecting plate corresponding to the multiple upper-layer main reinforcement bars, and a lower connecting area is provided on the connecting plate corresponding to the multiple lower-layer main reinforcement bars. The multiple upper-layer main reinforcement bars are welded and fixed to the upper connecting area, and the multiple lower-layer main reinforcement bars are welded and fixed to the lower connecting area.

[0005] In one possible implementation, the connecting plate body includes a first connecting plate, which is arranged parallel to the steel column. The main reinforcement bars of the upper column and the main reinforcement bars of the lower column are respectively welded and fixed to the first connecting plate. A second connecting plate is provided between the first connecting plate and the steel column, and the first connecting plate and the steel column are respectively welded and fixed to the second connecting plate.

[0006] In one possible implementation, there are multiple first connecting plates arranged around the circumference of the steel column.

[0007] In one possible implementation, multiple first connecting plates are sequentially connected and welded together end to end.

[0008] In one possible implementation, multiple first connecting plates are formed by bending the same steel plate, with the ends of the steel plate welded together.

[0009] In one possible implementation, the first connecting plate includes a central main plate, an upper wing plate connected to the upper side of the central main plate, and a lower wing plate connected to the lower side of the central main plate. The horizontal width of the upper wing plate and the lower wing plate is smaller than the horizontal width of the central main plate. The main reinforcement of the upper column is welded and fixed to the upper wing plate, and the main reinforcement of the lower column is welded and fixed to the lower wing plate.

[0010] In one possible implementation, a third connecting plate is welded and fixed to the first connecting plate, the third connecting plate being located on the side of the first connecting plate away from the steel column, and the third connecting plate being horizontally positioned.

[0011] In one possible implementation, the third connecting plate includes an upper connecting plate connected to the upper side of the first connecting plate and a lower connecting plate connected to the lower side of the first connecting plate, wherein there are multiple upper connecting plates, and the multiple upper connecting plates are spaced apart.

[0012] In one possible implementation, the lengths of the plurality of upper connecting plates extending toward the side away from the steel frame column increase sequentially from top to bottom.

[0013] The beneficial effects of the connection node structure for the main reinforcement bars of upper and lower layers of a rigid steel column provided by this invention are as follows: Compared with the prior art, when the design quantities of the main reinforcement bars of the upper and lower layers of the column are different, the connection node structure for the main reinforcement bars of the upper and lower layers of the rigid steel column of this invention welds and fixes a connecting plate at the connection node corresponding to the main reinforcement bars of the upper and lower layers of the column on the steel column. An upper connection area and a lower connection area are set on the connecting plate, allowing multiple main reinforcement bars of the upper and lower layers of the column to be welded and fixed to the upper and lower connection areas of the connecting plate respectively. With the help of the connecting plate, different quantities of main reinforcement bars of the upper and lower layers of the column can be connected to each other. From an overall perspective, this ensures the continuity and integrity of the connection between the main reinforcement bars of the upper and lower layers of the column, thereby improving the strength and stability of the entire building structure.

[0014] This invention also provides a construction method for the connection node of the main reinforcement bars of upper and lower layers of a reinforced steel column, used to construct the above-mentioned node structure, including the following steps:

[0015] S1: Calculate and locate the connection points between the main reinforcement bars of the upper and lower layers of the steel column;

[0016] S2: Fabricate the connecting plate;

[0017] S3: Weld and fix the connecting plate to the steel column at the position corresponding to the connecting node;

[0018] S4: Weld the main reinforcement bars of the upper column and the main reinforcement bars of the lower column onto the connecting plate respectively.

[0019] The beneficial effects of the construction method for connecting the main reinforcement of upper and lower layers of a rigid steel column provided by this invention are as follows: Compared with the prior art, the construction method for connecting the main reinforcement of upper and lower layers of a rigid steel column by welding a connecting plate at the connection point of the main reinforcement of the upper and lower layers of the steel column, and welding and fixing the main reinforcement of the upper and lower layers of the column to the connecting plate, by means of the connecting plate, the main reinforcement of the upper and lower layers of the column with different designed numbers are connected into one body, thereby ensuring the continuity of the connection between the main reinforcement of the upper and lower layers of the column, improving the strength and stability of the entire building structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional structural diagram of a connection node structure between the main reinforcement bars of upper and lower layers of a steel-reinforced column, provided in an embodiment of the present invention.

[0022] Figure 2 This is a top view of a structural diagram illustrating the connection node structure of the main reinforcement bars of the upper and lower layers of a steel-reinforced column, provided in an embodiment of the present invention.

[0023] Figure 3 For along Figure 2 Cross-sectional view of line AA in the middle.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Steel column; 2. Main reinforcement of upper column; 3. Main reinforcement of lower column; 4. First connecting plate; 41. Middle main plate; 42. Upper flange plate; 43. Lower flange plate; 5. Second connecting plate; 6. Third connecting plate; 61. Upper connecting plate; 62. Lower connecting plate; 7. Beam reinforcement. Detailed Implementation

[0026] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0027] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] Please see Figures 1 to 3 This invention describes a connection structure and construction method for the main reinforcement bars of upper and lower layers of a rigid steel column. The connection structure and construction method include a steel column 1, multiple upper-layer main reinforcement bars 2, and multiple lower-layer main reinforcement bars 3. A connecting plate is provided between the upper-layer main reinforcement bars 2 and the lower-layer main reinforcement bars 3. The connecting plate is welded to the steel column 1. The connecting plate has upper connecting areas corresponding to the upper-layer main reinforcement bars 2 and lower connecting areas corresponding to the lower-layer main reinforcement bars 3. The upper-layer main reinforcement bars 2 are welded and fixed to the upper connecting areas, and the lower-layer main reinforcement bars 3 are welded and fixed to the lower connecting areas. In practical applications, the size of the upper and lower connecting areas on the connecting plate is determined according to the specific number of upper-layer and lower-layer main reinforcement bars 2 and 3. That is, when the number of upper-layer main reinforcement bars 2 is greater than the number of lower-layer main reinforcement bars 3, the area of ​​the upper connecting area is larger than the area of ​​the lower connecting area, and vice versa.

[0031] This invention provides a connection node structure for the main reinforcement bars of upper and lower layers of a rigid steel column. Compared with the prior art, when the designed number of main reinforcement bars 2 and 3 of the upper and lower layers of the column are different, a connecting plate is welded and fixed on the steel column 1 at the connection node corresponding to the main reinforcement bars 2 and 3 of the upper and lower layers of the column. An upper connection area and a lower connection area are set on the connecting plate. Multiple main reinforcement bars 2 and multiple main reinforcement bars 3 of the upper and lower layers of the column can be welded and fixed to the upper and lower connection areas of the connecting plate respectively. With the help of the connecting plate, different numbers of main reinforcement bars 2 and 3 of the upper and lower layers of the column can be connected to each other. From the overall perspective, the connection between the main reinforcement bars 2 and 3 of the upper and lower layers of the column is ensured to be continuous and integrated, thereby improving the strength and stability of the entire building structure.

[0032] In some embodiments, please refer to Figures 1 to 3 The connecting plate body includes a first connecting plate 4, which is arranged parallel to the steel column 1. The upper column main reinforcement 2 and the lower column main reinforcement 3 are respectively welded and fixed to the first connecting plate 4. A second connecting plate 5 is provided between the first connecting plate 4 and the steel column 1. In this embodiment, there are two second connecting plates 5, which are respectively welded and fixed to the upper and lower ends of the first connecting plate 4. In operation, by welding and fixing the second connecting plates 5 to the steel column 1, the first connecting plate 4 and the steel column 1 can be relatively fixed. In addition, in practical applications, the upper layer... The main reinforcement bars 2 and 3 of the upper column are parallel to and spaced apart from the steel column 1, meaning that the main reinforcement bars 2 and 3 of the upper column are spaced apart from the steel column 1. In this embodiment, the second connecting plate 5 is arranged longitudinally and has a certain width, so that the first connecting plate 4 and the steel column 1 are spaced apart, so that the connecting surface of the first connecting plate 4 and the connecting ends of the main reinforcement bars 2 and 3 of the upper column are in the same height plane, which facilitates welding and allows the first connecting plate 4 to be welded and fixed to the main reinforcement bars 2 and 3 of the upper column.

[0033] In some embodiments, please refer to Figures 1 to 3 There are four first connecting plates 4, which are arranged around the steel column 1. The four first connecting plates 4 are respectively used to connect the upper column main reinforcement 2 and the lower column main reinforcement 3 around the steel column 1. In this embodiment, the four first connecting plates 4 are welded and fixed in sequence so that the four first connecting plates 4 form a whole and are fitted on the steel column 1. This arrangement allows the multiple first connecting plates 4 to be connected to each other and constrain each other, thereby improving the connection strength of the entire structure.

[0034] In other embodiments, the four first connecting plates 4 mentioned above can be formed from the same steel plate by bending. During operation, the steel plate is processed into a predetermined shape by a bending machine, and the ends of the steel plate are welded and fixed to form a ring structure. During construction, the ring structure is pre-fitted onto the steel column 1. After determining the connection node position between the upper column main reinforcement 2 and the lower column main reinforcement 3, the ring structure is welded onto the steel column 1 at the position corresponding to the connection node. In this embodiment, by processing multiple first connecting plates 4 as a single piece, the amount of welding work on the construction site is reduced, and the work efficiency can be improved.

[0035] In some embodiments, please refer to Figures 1 to 3 The first connecting plate 4 includes a central main plate 41, an upper wing plate 42 connected to the upper end of the central main plate 41, and a lower wing plate 43 connected to the lower end of the central main plate 41. The horizontal width of the upper wing plate 42 and the lower wing plate 43 is smaller than the horizontal width of the central main plate 41. During manufacturing, the central main plate 41, the upper wing plate 42, and the lower wing plate 43 are integrally formed. During use, the upper column main reinforcement 2 is welded and fixed to the upper wing plate 42, and the lower column main reinforcement 3 is welded and fixed to the lower wing plate 43. The central main plate 41 can be used to connect horizontally arranged steel structure beams. In this embodiment, by setting the upper wing plate 42 and the lower wing plate 43, the material used for manufacturing the first connecting plate 4 is reduced, thereby reducing production costs.

[0036] Further, please refer to Figures 1 to 3 A third connecting plate 6 is also welded and fixed on the first connecting plate 4. The third connecting plate 6 is located on the side of the first connecting plate 4 away from the steel column 1, and the third connecting plate 6 is horizontally arranged. In this embodiment, the third connecting plate 6 includes an upper connecting plate 61 connected to the upper end of the first connecting plate 4 and a lower connecting plate 62 connected to the lower end of the first connecting plate 4. There are multiple upper connecting plates 61, which are arranged at intervals from top to bottom. The multiple upper connecting plates 61 are used to connect the beam reinforcement 7 set in the upper part of the steel structure beam, and the lower connecting plate 62 is used to connect the beam reinforcement 7 set in the lower part of the steel structure beam. In order to facilitate the welding of the upper connecting plates 61 and the beam reinforcement 7, the length of the multiple upper connecting plates 61 extending away from the steel column 1 increases sequentially from top to bottom. During construction, the upper connecting plates 61 located in the lower layer are welded to the beam reinforcement 7 first, and then the upper connecting plates 61 of each layer are welded and fixed to the beam reinforcement 7 layer by layer upwards.

[0037] This invention also provides a construction method for the connection node of the main reinforcement bars of upper and lower layers of a reinforced steel column, used to construct the above-mentioned node structure, including the following steps:

[0038] S1: Calculate and find the connection node between the upper column main reinforcement 2 and the lower column main reinforcement 3 on the steel column 1;

[0039] S2: Fabricate the connecting plate;

[0040] S3: Weld and fix the connecting plate to the steel column 1 at the position corresponding to the connecting node;

[0041] S4: The upper column main reinforcement 2 and the lower column main reinforcement 3 are respectively welded and fixed to the connecting plate.

[0042] This invention provides a construction method for connecting the upper and lower main reinforcement bars 3 of a rigid steel column 1. Compared with the prior art, this method involves welding a connecting plate to the connection point of the upper and lower main reinforcement bars 3 on the steel column 1, and then welding and fixing the upper and lower main reinforcement bars 2 and 3 to the connecting plate. With the help of the connecting plate, the upper and lower main reinforcement bars 2 and 3, which have different designed numbers, are connected into one unit, thereby ensuring the continuity of the connection between the upper and lower main reinforcement bars 2 and 3, improving the strength and stability of the entire building structure.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A structural connection node for the main reinforcing bars of upper and lower layers of a steel-reinforced column, characterized in that, The system includes a steel column (1), multiple upper column main reinforcement bars (2), and multiple lower column main reinforcement bars (3). A connecting plate is provided between the multiple upper column main reinforcement bars (2) and the multiple lower column main reinforcement bars (3). The connecting plate is welded to the steel column (1). The connecting plate has an upper connecting area corresponding to the multiple upper column main reinforcement bars (2) and a lower connecting area corresponding to the multiple lower column main reinforcement bars (3). The size of the upper connecting area and the lower connecting area is determined according to the specific number of upper column main reinforcement bars (2) and lower column main reinforcement bars (3). That is, when the number of upper column main reinforcement bars (2) is greater than the number of lower column main reinforcement bars (3), the area of ​​the upper connecting area is greater than the area of ​​the lower connecting area, and vice versa. The multiple upper column main reinforcement bars (2) are welded and fixed in the upper connecting area, and the multiple lower column main reinforcement bars (3) are welded and fixed in the lower connecting area. Within the lower connecting area; the connecting plate body includes a first connecting plate (4), the first connecting plate (4) is arranged parallel to the steel column (1), the first connecting plate (4) includes a central main plate (41) and an upper wing plate (42) connected to the upper side of the central main plate (41) and a lower wing plate (43) connected to the lower side of the central main plate (41), the horizontal width of the upper wing plate (42) and the lower wing plate (43) is smaller than the horizontal width of the central main plate (41), the upper column main reinforcement (2) is welded and fixed on the upper wing plate (42), the lower column main reinforcement (3) is welded and fixed on the lower wing plate (43), a second connecting plate (5) is provided between the first connecting plate (4) and the steel column (1), the first connecting plate (4) and the steel column (1) are respectively welded and fixed to the second connecting plate (5).

2. The connection node structure of the main reinforcement of the upper and lower layers of a steel-reinforced column as described in claim 1, characterized in that, There are multiple first connecting plates (4), and multiple first connecting plates (4) are arranged around the circumference of the steel column (1).

3. The connection node structure of the main reinforcement of the upper and lower layers of a steel-reinforced column as described in claim 2, characterized in that, Multiple first connecting plates (4) are connected in sequence and welded together at the ends.

4. The connection node structure of the main reinforcement of the upper and lower layers of a steel-reinforced column as described in claim 2, characterized in that, Multiple first connecting plates (4) are formed by bending the same steel plate, and the ends of the steel plate are welded and fixed.

5. The connection node structure of the main reinforcement of the upper and lower layers of a steel-reinforced column as described in claim 1, characterized in that, A third connecting plate (6) is welded and fixed on the first connecting plate (4). The third connecting plate (6) is located on the side of the first connecting plate (4) away from the steel column (1), and the third connecting plate (6) is horizontally arranged.

6. The main reinforcement connection node structure of the upper and lower layers of a stiffened steel column as described in claim 5, characterized in that, The third connecting plate (6) includes an upper connecting plate (61) connected to the upper end of the first connecting plate (4) and a lower connecting plate (62) connected to the lower end of the first connecting plate (4). There are multiple upper connecting plates (61), and the multiple upper connecting plates (61) are spaced apart.

7. The connection node structure of the main reinforcement of the upper and lower layers of a steel-reinforced column as described in claim 6, characterized in that, The lengths of the multiple upper connecting plates (61) extending away from the steel column (1) increase sequentially from top to bottom.

8. A construction method for connecting the main reinforcement bars of upper and lower layers of a rigid steel column, used to construct the node structure as described in claim 1, characterized in that, Includes the following steps: S1: Calculate and find the connection node position between the upper column main reinforcement (2) and the lower column main reinforcement (3) on the steel column (1); S2: Fabricate the connecting plate; S3: Weld the connecting plate body to the steel column (1) at the position corresponding to the connecting node; S4: The upper column main reinforcement (2) and the lower column main reinforcement (3) are welded and fixed to the connecting plate respectively.

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