Node structure of concrete beam and steel column

Abstract

The utility model discloses a node structure of a concrete beam and a steel column, which comprises a connecting assembly, one end of the connecting assembly is abutted against the lower part of the concrete beam, the other end of the connecting assembly is connected with the steel column, and the steel column is vertical to the concrete beam; the connecting assembly comprises a bearing piece and a connecting piece, the bearing piece is in an L shape, covers the lower edge of the concrete beam and is fixedly connected through chemical bolts, the connecting piece is perpendicular to the bearing piece and located below the bearing piece, and the steel column is connected to the connecting piece and arranged between the bearing piece and the concrete beam. The connectivity of the connecting assembly and the concrete beam is enhanced. The node structure provided by the utility model is reasonable in structure and convenient to operate, and the chemical bolt is transversely arranged through the bearing piece of the connecting assembly, so that the connection reliability of the chemical bolt is ensured; and the bonding layer is arranged between the bearing piece and the concrete beam, so that the fixing reliability of the connecting assembly is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering and relates to a node structure of a concrete beam and a steel column. Background Art

[0002] In construction projects, it is necessary to add steel columns to existing buildings to improve the structural strength of the building and ensure its earthquake resistance.

[0003] In existing technology, steel columns are typically connected to concrete beams in buildings using chemical bolts. Specifically, the steel column abuts the bottom of the concrete beam, and the chemical bolts pass vertically through the steel column and concrete beam. Because the chemical bolts are placed vertically, the chemical liquid sinks under the influence of gravity, resulting in a gap between the chemical bolts and the bottom of the mounting hole, affecting the reliability of the chemical bolt connection.

[0004] Therefore, it is urgent to design a node structure of concrete beams and steel columns to solve the technical problems existing in the existing technology. Utility Model Content

[0005] The purpose of the present utility model is to solve some of the technical problems existing in the prior art to at least a certain extent, and to provide a node structure of a concrete beam and a steel column, which has a reasonable structure and is easy to operate. The chemical bolts are arranged horizontally through the supporting parts of the connecting components to ensure the reliability of the chemical bolt connection; an adhesive layer is provided between the supporting parts and the concrete beam to further improve the reliability of the fixation of the connecting components.

[0006] In order to solve the above technical problems, the utility model provides a node structure of a concrete beam and a steel column, which includes a connecting component, one end of the connecting component abuts against the bottom of the concrete beam, and the other end is connected to the steel column, and the steel column is perpendicular to the concrete beam; the connecting component includes a supporting member and a connecting member, the supporting member is L-shaped, which is covered on the lower edge of the concrete beam and fixed by chemical bolts, the connecting member is perpendicular to the supporting member and is located below the supporting member, the steel column is connected to the connecting member, which is arranged between the supporting member and the concrete beam to enhance the connectivity between the connecting component and the concrete beam.

[0007] In some embodiments, the lateral width of the connecting member is less than or equal to the length of the rib of the supporting member.

[0008] In some embodiments, the lateral width of the connecting member is 50%-80% of the length of the rib of the supporting member.

[0009] In some embodiments, the inner side surface of the supporting member is configured with a protruding structure to increase the coating area of ​​the adhesive layer.

[0010] In some embodiments, there are multiple protrusion structures distributed on the inner side surfaces of the two ribs of the supporting member.

[0011] In some embodiments, the height of the protruding structure is 0.3-3 mm.

[0012] In some embodiments, the cross-sectional shape of the protrusion structure is circular, rectangular, triangular and / or elliptical.

[0013] In some embodiments, the steel column is an I-beam column, and the connector is connected to the web of the steel column by bolts.

[0014] In some embodiments, the supporting member is a U-shaped structure, which is clamped to the outer peripheral side of the concrete beam.

[0015] In some embodiments, the bottom surface and / or side surfaces of the supporting member are configured with a plurality of protruding structures.

[0016] Beneficial effects of the utility model:

[0017] The utility model provides a node structure of a concrete beam and a steel column, which has a reasonable structure and is easy to operate. The chemical bolts are arranged horizontally through the supporting parts of the connection components to ensure the reliability of the chemical bolt connection; an adhesive layer is arranged between the supporting parts and the concrete beam to further improve the reliability of the fixation of the connection components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. These drawings are only schematic and do not limit the present invention, wherein:

[0019] Figure 1 It is a schematic diagram of a node structure of a concrete beam and a steel column according to the present invention;

[0020] Figure 2 yes Figure 1 The corresponding partial enlarged view of point A;

[0021] Figure 3 This is a schematic diagram of a connection assembly provided by an embodiment of the present utility model;

[0022] Figure 4 is a schematic diagram of a connection assembly provided by another embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of a connection assembly provided in yet another embodiment of the present invention. DETAILED DESCRIPTION

[0024] Figures 1 to 5This is a schematic diagram of a node structure of a concrete beam and a steel column described in this application. The following describes the utility model in detail in conjunction with specific embodiments and drawings.

[0025] The embodiments described herein are specific embodiments of the present invention and are used to illustrate the concept of the present invention. They are illustrative and exemplary and should not be construed as limiting the embodiments and scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the disclosure of the specification, including technical solutions that adopt any obvious substitutions and modifications to the embodiments described herein.

[0026] The accompanying drawings in this specification are schematic diagrams that assist in illustrating the concepts of the present invention and schematically illustrate the shapes of the various components and their interrelationships. Please note that to clearly illustrate the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. The same reference numerals are used to indicate the same parts.

[0027] The schematic diagram of the node structure of a concrete beam and a steel column described in the present invention is as follows: Figure 1 The node structure of the concrete beam and the steel column includes a connection component 10 , one end of which is abutted against the bottom of the concrete beam 20 , and the other end of which is connected to the steel column 30 , which is perpendicular to the concrete beam 20 .

[0028] Furthermore, the connecting assembly 10 includes a supporting member 11 and a connecting member 12, such as Figure 3 As shown, the support member 11 is L-shaped and is placed on the lower edge of the concrete beam 20 and passes through Figure 2 The chemical bolts 40 shown are connected and fixed, the connecting piece 12 is perpendicular to the supporting piece 11 and is located below the supporting piece 11 , and the steel column 30 is connected to the connecting piece 12 .

[0029] Furthermore, the node structure further includes an adhesive layer 50 disposed between the support member 11 and the concrete beam 20 to enhance the connectivity between the connection assembly 10 and the concrete beam 20. In some embodiments, the adhesive layer 50 is an epoxy adhesive to ensure the connection strength between the support member 11 and the concrete beam 20.

[0030] In the present invention, the transverse width of the connecting member 12 is less than or equal to the length of the edge plate of the supporting member 11 .

[0031] Furthermore, the transverse width of the connecting member 12 is 50%-80% of the length of the rib of the supporting member 11. Preferably, the transverse width of the connecting member 12 is 60% of the length of the rib of the supporting member 11, so as to ensure the contact area between the connecting member 12 of the connecting assembly 10 and the steel column 30 and improve the reliability of the connection between the two.

[0032] Figure 3 In the illustrated embodiment, a protruding structure 11 a is disposed on the inner side of the supporting member 11 to increase the coating area of ​​the adhesive layer 50 and enhance the bonding strength between the supporting member 11 and the concrete 20 .

[0033] Furthermore, there are multiple protruding structures 11 a , which are distributed on the inner side surfaces of the two ribs of the supporting member 11 .

[0034] Furthermore, the height of the protruding structure 11a is 0.3-3 mm. Preferably, the height of the protruding structure 11a is 0.5 mm.

[0035] In the present invention, the cross-sectional shape of the protruding structure 11a is circular, rectangular, triangular and / or elliptical.

[0036] Figure 3 In the embodiment shown, the cross-sectional shape of the raised structure 11a is circular; Figure 4 In the illustrated embodiment, the cross-sectional shape of the protrusion structure 11 a is rectangular or triangular.

[0037] Figure 1 In the illustrated embodiment, the steel column 30 is an I-beam column, and the connector 12 is connected to the web of the steel column 30 by bolts.

[0038] Figure 5 2 is a schematic diagram of a connection assembly provided by another embodiment of the present invention, wherein the support member 11 is a U-shaped structure, which is clamped to the outer peripheral side of the concrete beam 20. Furthermore, the gap width between the edge plates of the support member 11 is slightly larger than the width of the concrete beam 20 to facilitate the fixation of the two.

[0039] Furthermore, a plurality of raised structures 11a are configured on the bottom and / or side surfaces of the support member 11. Preferably, the height of the raised structures 11a on the bottom surface of the support member 11 is slightly greater than the length of the raised structures 11a on the side surfaces of the support member 11, thereby improving the adhesion between the bottom surface of the support member 11 and the bottom of the concrete beam 20, and ensuring the reliability of the fixation between the concrete beam 20 and the connecting assembly 10.

[0040] Compared with the shortcomings and deficiencies of the existing technology, the utility model provides a node structure of a concrete beam and a steel column, which has a reasonable structure and is easy to operate. The chemical bolts are arranged horizontally through the supporting parts of the connecting components to ensure the reliability of the chemical bolt connection; an adhesive layer is arranged between the supporting parts and the concrete beam to further improve the reliability of the fixation of the connecting components.

[0041] The present invention is not limited to the above-mentioned embodiments. Anyone can derive other forms of products based on the inspiration of the present invention. However, regardless of any changes in shape or structure, any product with the same or similar technical solutions as those of the present application shall fall within the scope of protection of the present invention.

Claims

1. A node structure of a concrete beam and a steel column, characterized in that: The invention comprises a connecting assembly (10), one end of which abuts against the bottom of a concrete beam (20), and the other end of which is connected to a steel column (30), wherein the steel column (30) is perpendicular to the concrete beam (20); the connecting assembly (10) comprises a supporting member (11) and a connecting member (12), wherein the supporting member (11) is L-shaped, is covered on the lower edge of the concrete beam (20) and is connected and fixed by a chemical bolt (40), and the connecting member (12) is perpendicular to the supporting member (11) and is located below the supporting member (11), and the steel column (30) is connected to the connecting member (12); and the invention also comprises an adhesive layer (50) which is arranged between the supporting member (11) and the concrete beam (20) to enhance the connectivity between the connecting assembly (10) and the concrete beam (20).

2. The node structure of concrete beam and steel column according to claim 1, characterized in that: The transverse width of the connecting member (12) is less than or equal to the length of the edge plate of the supporting member (11).

3. The node structure of concrete beam and steel column according to claim 2, characterized in that: The transverse width of the connecting member (12) is 50%-80% of the length of the rib plate of the supporting member (11).

4. The node structure of concrete beam and steel column according to claim 1, characterized in that: The inner side surface of the supporting member (11) is provided with a protruding structure (11a) to increase the coating area of ​​the adhesive layer (50).

5. The node structure of concrete beam and steel column according to claim 4, characterized in that: There are multiple protruding structures (11a), which are distributed on the inner side surfaces of the two ribs of the supporting member (11).

6. The node structure of concrete beam and steel column according to claim 4, characterized in that: The height of the protruding structure (11a) is 0.3-3 mm.

7. The node structure of concrete beam and steel column according to claim 4, characterized in that: The cross-sectional shape of the protruding structure (11a) is circular, rectangular, triangular and / or elliptical.

8. The node structure of concrete beam and steel column according to claim 1, characterized in that: The steel column (30) is an I-shaped steel column, and the connecting piece (12) is connected to the web of the steel column (30) by bolts.

9. The node structure of concrete beam and steel column according to claim 1, characterized in that: The supporting member (11) is a U-shaped structure, which is clamped to the outer peripheral side of the concrete beam (20).

10. The node structure of concrete beam and steel column according to claim 9, characterized in that: The bottom surface and / or side surface of the supporting member (11) are provided with a plurality of protruding structures (11a).

Images