Anchoring structure of steel bar on composite column

Abstract

The utility model discloses an anchoring structure of a steel bar on a composite column, and relates to the technical field of composite column anchoring structures, and the anchoring structure comprises the composite column, a connecting piece and the steel bar; the connecting sheet is welded on the laminated column and is perpendicular to the laminated column; the reinforcing steel bars are welded to the two sides of the connecting piece and bent towards the composite column at the connecting position of the connecting piece and the composite column, the axis direction of the bent portions of the reinforcing steel bars is parallel to the axis direction of the composite column, and the bent portions of the reinforcing steel bars are welded to the composite column. The connecting plate perpendicular to the composite column is fixed to the composite column, so that the connecting area of the reinforcing steel bars is increased, the reinforcing steel bars are bent, one part of the reinforcing steel bars are welded to the connecting plate, the other part of the reinforcing steel bars are welded to the composite column, the connecting plate and the reinforcing steel bars form a whole, and the reinforcing steel bars are welded to the composite column with a large contact face. And the steel bars and the composite column are connected more stably in a more concise manner.

Description

Technical Field

[0001] The present application relates to the technical field of composite column anchoring structures, and in particular to an anchoring structure of steel bars on composite columns. Background Art

[0002] With the continuous development of my country's construction industry, the anchoring technology of concrete beams and steel bars in composite columns has received extensive attention and application. As a structural system, composite columns have excellent compressive and seismic performance. The core part is a reinforced concrete column, and steel tube concrete is set on the outside. In actual engineering, the connection node between concrete beams and composite columns often involves the anchoring problem of steel bars. At present, composite columns are usually strengthened by adding connection structures to strengthen steel bars and composite columns.

[0003] Utility model patent announcement number CN216405924U provides a connection structure between a steel tube concrete composite column and a beam reinforcement, including: a sleeve, the inner edge of the sleeve is connected to the outer side of the composite column; a lower pad, the lower pad is connected to the sleeve, the lower pad has a bottom plate, a vertical plate and at least two lower matching parts distributed at intervals, the lower matching part includes a first groove provided on the bottom plate and a second groove provided on the vertical plate, the first groove cooperates with the lower side of the body, and the second groove cooperates with the inner side of the bending part; an upper pad, the upper pad has a top plate and at least two upper matching parts distributed at intervals, the upper matching part includes a third groove provided on the bottom surface of the top plate, the third groove cooperates with the upper side of the body; a first connecting assembly, the first connecting assembly is used to connect the bottom plate and the top plate. The utility model has a simple structure and high efficiency. It can not only fix straight beam reinforcements, but also effectively fix beam reinforcements with bending parts, and has high practicality. However, since composite columns and steel bars are usually fixed by pouring cement, the connection only needs to ensure stability and firmness for a period of time. Bending or fixing through the connecting structure also requires welding and other operations, which is too complicated and costly. Summary of the invention

[0004] In order to solve the problem that the connection structure between the composite column and the steel bars is complex to install and has a high cost, the present application provides an anchoring structure for the steel bars on the composite column.

[0005] In the first aspect, the present application provides a steel bar anchoring structure on a composite column using the following technical solution:

[0006] A steel bar anchoring structure on a composite column comprises a composite column, a connecting piece and a steel bar; the connecting piece is welded on the composite column and is arranged perpendicular to the composite column; the steel bar is welded to both sides of the connecting piece, the steel bar is bent toward the composite column at the connection between the connecting piece and the composite column, the axial direction of the bent part of the steel bar is parallel to the axial direction of the composite column, and the bent part of the steel bar is welded to the composite column.

[0007] By adopting the above technical scheme, since the connection between the composite column and the steel bar is usually to directly weld the steel bar to the composite column, but due to the small cross-section of the steel bar, it is usually difficult to stably connect the steel bar to the composite column only by connecting the cross-section. Connecting through a connecting device also requires connecting the connecting device and the composite column, which is more inconvenient. Therefore, a connecting plate perpendicular to the composite column is provided and fixed to the composite column to increase the connection area of ​​the steel bar. The steel bar is bent, one part is welded to the connecting plate, and the other part is welded to the composite column, so that the connecting plate and the steel bar form a whole, which is welded to the composite column with a larger contact surface, and the extension direction of the steel bar is kept perpendicular to the composite column, so that the steel bar and the composite column are connected more stably in a simpler way.

[0008] Optionally, the connecting piece includes a fixing ring, the fixing ring and the body of the connecting piece are integrally formed, the fixing ring surrounds the stacking column, and is connected to the stacking column via bolts.

[0009] By adopting the above technical solution, integrally formed fixing rings extend from both sides of the connecting plate, and the contact area between the connecting plate and the overlapping column is increased through the fixing rings, making the connection between the connecting plate and the overlapping column more stable, and the fixing rings and the overlapping column are connected by bolts, further enhancing the stability of the connection.

[0010] Optionally, the fixing ring has a disconnected opening, and the pegs are fixed on both sides of the opening.

[0011] By adopting the above technical solution, since the length of the overlapping column may be relatively long, it is more difficult to operate by sleeve-fitting the fixing ring. Therefore, an opening is provided so that the fixing ring can be directly sleeved on the overlapping column through the opening at the position where connection is required, thereby making the connection more convenient, and the bolts fixed on both sides of the opening can fix the ring.

[0012] Optionally, there are multiple connecting plates, and the multiple connecting plates are evenly arranged along the axial direction of the composite column.

[0013] By adopting the above technical solution, since composite columns usually need to connect multiple groups of steel bars, multiple connecting plates are provided so that the steel bars can be connected to the composite columns in multiple groups according to practical needs, thereby increasing the applicability of the anchoring structure.

[0014] Optionally, the connecting piece further comprises a fixing strip, and the fixing strip is connected to the fixing ring along the axial direction of the composite column.

[0015] By adopting the above technical solution, if a plurality of connecting plates are provided on the composite column, the plurality of connecting plates are fixed together by a fixing strip, so that the connection tightness between the connecting plates can be increased, making the connection between the plurality of connecting plates and the composite column more stable.

[0016] Optionally, the steel bars are welded to adjacent steel bars.

[0017] By adopting the above technical solution, the steel bars are welded to the adjacent steel bars, which can improve the integrity of the steel bars and the connecting plates, thereby having a better effect of resisting external forces and making the anchoring structure more stable.

[0018] Optionally, precast cement is also included, and the precast cement covers the connection between the steel bars, the connecting plates and the composite columns.

[0019] By adopting the above technical solution, since cement usually needs to be cast on the inner and outer sides of the composite column, when the composite column and the steel bar need to remain connected and stored for a long time, the pressure on the connecting piece during long-term storage can be reduced by covering the connection with precast cement, thereby maintaining long-term connection stability.

[0020] Optionally, a snap-in strip is provided at the edge of the connecting piece, and the snap-in strip is used to connect the cement mold

[0021] By adopting the above technical solution, the cement mold is fixed by using a snap-on strip, avoiding the use of additional fixing tools, making the operation of covering the precast cement more convenient.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. A connecting plate perpendicular to the composite column is provided to fix the composite column, thereby increasing the connection area of ​​the steel bar. The steel bar is bent, one part is welded to the connecting plate, and the other part is welded to the composite column, so that the connecting plate and the steel bar form a whole, and are welded to the composite column with a larger contact surface, so that the steel bar and the composite column are connected more stably in a simpler way;

[0024] 2. By providing a fixing ring with an opening, the contact area between the connecting plate and the superimposed column is increased, making the connection between the connecting plate and the superimposed column more stable, and by providing an opening, the fixing ring can be directly sleeved on the superimposed column through the opening at the position where connection is required, thereby making the connection more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a top view of the overall structure of Example 1 of the present application;

[0026] Figure 2 is a side view of the overall structure of Example 1 of the present application;

[0027] Figure 3 is a top view of the overall structure of Example 2 of the present application;

[0028] Figure 4 It is a side view of the overall structure of Example 2 of the present application.

[0029] Figure numerals: 1. Composite column; 2. Connecting plate; 21. Fixing ring; 22. Bolt; 23. Opening; 24. Fixing strip; 25. Snap-in strip; 3. Steel bar; 31. Horizontal steel bar; 32. Vertical steel bar; 4. Precast cement. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1 -Attached Figure 4 , further details of this application are given.

[0031] Example 1: An anchoring structure of a steel bar on a composite column, referring to Figure 1 and Figure 2 , including a composite column 1, a connecting piece 2 and a steel bar 3, the composite column 1 is a circular columnar structure, the connecting piece 2 is a sheet structure, welded on the side wall of the composite column 1 in a direction perpendicular to the composite column 1, and three steel bars 3 are sequentially arranged along the axial direction of the composite column 1, welded on both sides of the connecting piece 2, and the steel bars 3 are bent in the axial direction of the composite column 1 at the connection between the connecting piece 2 and the composite column 1, so that the steel bars 3 are divided into horizontal steel bars 31 welded and attached to the connecting piece 2 and vertical steel bars 32 attached to the outer surface of the composite column 1, the horizontal steel bars 31 are welded to the connecting piece 2, and the vertical steel bars 32 are welded to the composite column 1, the connecting piece 2 provides an additional fixing surface for the steel bars 3, and through the connection between the composite column 1 and the connecting piece 2, the steel bars 3 can be connected more stably, and through the mutual welding of adjacent steel bars 3, each steel bar 3 and the connecting piece 2 form a whole, and the whole has a larger contact surface with the composite column 1, so that a more stable connection can be formed.

[0032] Reference Figure 1 and Figure 2 The connecting piece 2 includes a fixing ring 21, a stud 22 and a fixing strip 24. Since the connecting surfaces of the steel bars 3 are mostly located on the connecting piece 2, the connecting piece 2 needs to be stably fixed on the composite column 1. By providing a fixing ring 21 surrounding the composite column 1, the connecting piece 2 has a larger contact area with the composite column. The fixing ring 21 has an opening 23, so that the connecting piece 2 can be sleeved and installed at any position. Studs 22 are provided on both sides of the opening 23, which are used to connect the fixing ring 21 and the composite column 1 from the end of the fixing ring 21, so that the connection is more stable. Fixing strips 24 are provided between adjacent connecting pieces 2, and adjacent connecting pieces 2 are connected to each other through the fixing strips 24, so that the connecting pieces 2 are connected as a whole, which is beneficial to improving the stability of the overall connection of the anchoring structure; a clamping strip 25 is also provided on the side of the connecting piece 2, and the clamping strip 25 is used to connect the cement mold on the outside of the connecting piece 2, so that the cement mold can be more conveniently connected to the outside of the anchoring structure, which is beneficial to improving construction efficiency.

[0033] The implementation principle of the embodiment of the present application is: before anchoring the steel bar 3 on the composite column 1, first connect and fix the connecting plate 2 on the composite column 1 by welding the fixing ring 21 and the bolt 22, then bend the steel bar 3, weld the steel bar 3 to the composite column 1 and the connecting plate 2 respectively, and weld the adjacent steel bars 3 to each other, so as to form a stable anchoring structure.

[0034] Example 2: An anchoring structure of a steel bar on a composite column, referring to Figure 3 and Figure 4 The difference from Example 1 is that it also includes precast cement 4, which covers the connection between the composite column 1, the connecting piece 2 and the steel bar 3. By covering the precast cement 4, the load on the connecting piece 2 and the steel bar 3 is reduced during storage, so that they can be preserved for a longer time in a better connection state.

[0035] The implementation principle of the embodiment of the present application is: after the connecting plate 2 and the steel bar 3 are connected to the composite column 1, the cement mold is clamped by the clamping strip 25, and cement is poured in the cement mold to form precast cement covering the connection.

[0036] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An anchoring structure of a steel bar on a composite column, characterized in that: include Composite column (1); A connecting piece (2) is welded on the composite column (1), and the connecting piece (2) is arranged perpendicular to the composite column (1); Steel bars (3) are welded to both sides of the connecting piece (2); the steel bars (3) are bent toward the composite column (1) at the connection between the connecting piece (2) and the composite column (1); the axial direction of the bent portion of the steel bars (3) is parallel to the axial direction of the composite column (1); and the bent portion of the steel bars (3) is welded to the composite column (1); The connecting piece (2) comprises a fixing ring (21), wherein the fixing ring (21) and the body of the connecting piece (2) are integrally formed, and the fixing ring (21) surrounds the stacking column (1) and is connected to the stacking column (1) via a bolt (22).

2. The anchoring structure of a steel bar on a composite column according to claim 1, characterized in that: The fixing ring (21) has a disconnected opening (23), and the bolt (22) is fixed on both sides of the opening (23).

3. The anchoring structure of a steel bar on a composite column according to claim 2, characterized in that: The number of the connecting plates (2) is multiple, and the multiple connecting plates (2) are evenly arranged along the axial direction of the composite column (1).

4. The anchoring structure of a steel bar on a composite column according to claim 3, characterized in that: The connecting piece (2) further comprises a fixing strip (24), wherein the fixing strip (24) is connected to the fixing ring (21) along the axial direction of the stacked column (1).

5. The anchoring structure of a steel bar on a composite column according to claim 1, characterized in that: The steel bars (3) are welded to adjacent steel bars (3).

6. The anchoring structure of a steel bar on a composite column according to claim 1, characterized in that: It also includes precast cement (4), wherein the precast cement (4) covers the connection between the steel bars (3), the connecting plate (2) and the composite column (1).

7. The anchoring structure of a steel bar on a composite column according to claim 1, characterized in that: A clamping strip (25) is provided on the edge of the connecting piece (2), and the clamping strip (25) is used for connecting to a cement mould.

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