Concrete beam external bonding profile steel reinforcing structure

Abstract

The utility model relates to a concrete beam externally-bonded profile steel reinforcing structure which comprises a concrete beam, the elevation of a floor plate surface on one side of the concrete beam is the same as the elevation of a beam top, and the elevation of a floor plate surface on the other side of the concrete beam is lower than the elevation of the beam top; the three steel angles are arranged at the corners of the two sides of the beam bottom of the concrete beam and the corner of the side, close to the low floor slab, of the beam top respectively, the two waist plates of the steel angles are attached to the two side faces of the corners of the concrete beam respectively, the two steel angles of the beam bottom are connected through first connecting pieces, and the steel angles of the beam top are connected with the steel angles, close to the low floor slab, of the beam bottom through first connecting structures; the flat steel is attached to the top face of the concrete beam and extends to be attached to a floor with the same elevation as the beam top, the angle steel of the beam top is connected with the flat steel through a second connecting piece, and the flat steel is connected with the angle steel, close to the high floor, of the beam bottom through a second connecting structure. The angle steel is arranged at the corners of the top and the bottom of the concrete beam, the concrete beam is reinforced through the angle steel, and the problem that a traditional flat steel reinforcing scheme is not applicable is solved.

Description

Technical Field

[0001] The utility model relates to the field of building reconstruction technology, in particular to a concrete beam externally bonded steel reinforcement structure. Background Art

[0002] At present, there are more and more buildings that have changed their use functions. Due to the implementation of new regulations and the increase in use loads, most of these buildings need to strengthen their main structures to meet the requirements of structural safety. For the reinforcement of reinforced concrete beams that need to significantly increase the cross-sectional bearing capacity and earthquake resistance, it is necessary to use the external bonding steel reinforcement method.

[0003] The traditional reinforcement solution is to directly stick flat steel on the concrete beam for reinforcement. However, in areas such as bathrooms or kitchens, the elevation of the concrete floor slab is often lower than the elevation of the top of the concrete beam. At this time, the traditional flat steel reinforcement solution is no longer applicable when reinforcing the concrete beam. Utility Model Content

[0004] Based on the above description, the utility model provides a concrete beam externally bonded steel reinforcement structure to solve the problem of how to reinforce the concrete beam when the elevation of the concrete floor slab is lower than the elevation of the top of the concrete beam.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] The present application provides a concrete beam externally bonded steel reinforcement structure, and the technical solution adopted is as follows:

[0007] A concrete beam externally bonded steel reinforcement structure, characterized by comprising:

[0008] For a concrete beam, the floor slab elevation on one side is the same as the beam top elevation, while the floor slab elevation on the other side is lower than the beam top elevation;

[0009] Three angle steels are respectively arranged at the corners on both sides of the bottom of the concrete beam and the corner on one side of the top of the beam close to the low floor slab, and the two waist plates of the angle steels are respectively attached to the two side surfaces of the corners of the concrete beam, the two angle steels at the bottom of the beam are connected by a first connecting piece, and the angle steel at the top of the beam is connected to the angle steel at the bottom of the beam close to the low floor slab by a first connecting structure;

[0010] The flat steel fits the top surface of the concrete beam and extends to fit the floor slab at the same elevation as the beam top. The angle steel at the beam top is connected to the flat steel via a second connecting piece. The flat steel is connected to the angle steel at the beam bottom near the high floor slab via a second connecting structure.

[0011] Preferably, the first connecting structure comprises a first connecting rod, which is vertically arranged and passes through the low floor slab, and both ends of the first connecting rod are respectively connected to the two angle steels.

[0012] Preferably, the first connecting structure also includes a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are parallel to the side surface of the concrete beam, the first fixing plate is attached to the angle steel at the top of the beam and is welded to the angle steel, the second fixing plate is attached to the angle steel at the bottom of the beam and is welded to the angle steel, and the two ends of the first connecting rod are respectively welded to the first fixing plate and the second fixing plate.

[0013] Preferably, the second connecting structure includes a second connecting rod, which is vertically arranged and passes through the high floor slab, the lower end of the second connecting rod is connected to the angle steel, and the upper end of the second connecting rod passes through the flat steel and is threadedly connected to a nut.

[0014] Preferably, the second connection structure also includes a third fixing plate, which is parallel to the side of the concrete beam, the third fixing plate is attached to the angle steel at the bottom of the beam and is welded to the angle steel, and the lower end of the second connecting rod is welded to the third fixing plate.

[0015] Preferably, along the length direction of the concrete beam, the length of the first fixing plate is the same as that of the angle steel.

[0016] Preferably, the first connecting member includes a fourth fixing plate, the fourth fixing plate is parallel to the top surface of the concrete beam, and the fourth fixing plate is welded to the angle steel and the flat steel at the top of the beam.

[0017] Preferably, the second connecting member includes a fifth joining plate, the fifth joining plate is parallel to the bottom surface of the concrete beam, and the fifth joining plate is welded to the two angle steels at the bottom of the beam.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0019] 1. The present application arranges angle steels at the corners of the top and bottom of the concrete beam, that is, at a position where the elevation of the concrete floor slab is lower than the elevation of the top of the concrete beam, two waist plates of the angle steels are attached to the two sides of the corners of the concrete beam, so as to use the angle steels to reinforce the concrete beam, and arranges flat steels on the side where the elevation of the concrete floor slab is the same as that of the top of the concrete beam, and connects the three angle steels and the flat steels through the first connecting member, the second connecting member, the first connecting structure and the second connecting structure, so as to achieve the purpose of reinforcing the concrete beam, thereby overcoming the problem that the traditional flat steel reinforcement scheme cannot be applied, and the structure is simple and the force is reasonable;

[0020] 2. The present application realizes the connection between the three angle steels through the first tie plate, the second tie plate, the fifth tie plate and the first connecting rod, and realizes the connection between the flat steel and the two angle steels through the third tie plate, the fourth tie plate, the second connecting rod and the nut, connecting the three angle steels and the flat steel into one, the structural force is stable and reasonable, the connection structure is simple, and the construction is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of a concrete beam externally bonded steel reinforcement structure provided in an embodiment of the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Concrete beam; 2. Floor slab; 3. Angle steel; 4. Flat steel; 5. First connecting rod; 6. First gusset plate; 7. Second gusset plate; 8. Second connecting rod; 9. Third gusset plate; 10. Fourth gusset plate; 11. Fifth gusset plate. DETAILED DESCRIPTION

[0024] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0026] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0027] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0028] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0029] Reference Figure 1 As shown, the embodiment of the present application provides a concrete beam 1 externally bonded steel reinforcement structure, which includes a concrete beam 1. Among the floor slabs 2 on both sides of the concrete beam 1, the board surface elevation of the floor slab 2 on one side is the same as the beam top elevation, and the board surface elevation of the floor slab 2 on the other side is lower than the beam top elevation. Angle steels 3 are respectively provided at the corners on both sides of the bottom of the concrete beam 1 and the corner on one side of the top of the beam close to the low floor slab 2, and the two waist plates of the angle steels 3 are respectively attached to the two side surfaces of the corners of the concrete beam 1, the two angle steels 3 at the bottom of the beam are connected by a first connecting piece, and the angle steel 3 at the top of the beam and the angle steel 3 at the bottom of the beam close to the low floor slab 2 are connected by a first connecting structure. A flat steel 4 is provided on the top surface of the concrete beam 1, and the flat steel 4 is attached to the top surface of the concrete beam 1 and extends to attach to the floor slab 2 with the same elevation as the beam top. The angle steel 3 at the top of the beam is connected to the flat steel 4 by a second connecting piece, and the flat steel 4 is connected to the angle steel 3 at the bottom of the beam close to the high floor slab 2 by a second connecting structure; the angle steel 3 and the flat steel 4 are bonded to the concrete beam 1 by glue.

[0030] Reference Figure 1 As shown, the first connecting structure includes a first connecting rod 5, a first fixing plate 6 and a second fixing plate 7. The first connecting rod 5 is vertically arranged and passes through the lower floor 2. The first fixing plate 6 and the second fixing plate 7 are both parallel to the side of the concrete beam 1. The first fixing plate 6 fits the angle steel 3 at the top of the beam and is welded to the angle steel 3. The second fixing plate 7 fits the angle steel 3 at the bottom of the beam and is welded to the angle steel 3. The two ends of the first connecting rod 5 are respectively welded to the first fixing plate 6 and the second fixing plate 7.

[0031] Reference Figure 1 As shown, specifically, the first fixing plate 6 is fitted with the waist plate of the side of the concrete beam 1 by the angle steel 3, the width of the first fixing plate 6 is consistent with the waist plate width of the angle steel 3, and the length of the first fixing plate 6 and the angle steel 3 in the length direction of the concrete beam 1 is the same, so as to improve the strength of the angle steel 3; and the second fixing plate 7 is also fitted with the waist plate of the side of the concrete beam 1 by the angle steel 3 at the bottom of the beam and welded and fixed, so that the first fixing plate 6 and the second fixing plate 7 are in the same plane, and then the first connecting rod 5 is welded and fixed to the first fixing plate 6 and the second fixing plate 7 to realize the connection of the two angle steels 3, so as to ensure that the angle steels 3 bonded to the bottom and top of the beam are subjected to coordinated force.

[0032] Reference Figure 1As shown, the second connection structure includes a second connecting rod 8 and a third gusset plate 9. The second connecting rod 8 is vertically arranged and passes through the high floor 2. The upper end of the second connecting rod 8 passes through the flat steel 4 and is threaded with a nut. The third gusset plate 9 is parallel to the side of the concrete beam 1. The third gusset plate 9 fits the angle steel 3 at the bottom of the beam and is welded to the angle steel 3. The lower end of the second connecting rod 8 is welded to the third gusset plate 9. The angle steel 3 at the bottom of the beam and the flat steel 4 at the top of the beam are connected by the second connecting rod 8 and the third gusset plate 9 to ensure that the angle steel 3 at the bottom of the beam and the flat steel 4 at the top of the beam are subjected to coordinated force.

[0033] Reference Figure 1 As shown, further, the first connecting member includes a fourth plate 10, and the second connecting member includes a fifth plate 11. The fourth plate 10 is parallel to the top surface of the concrete beam 1, and is welded to the angle steel 3 and the flat steel 4 at the top of the beam, while the fifth plate 11 is parallel to the bottom surface of the concrete beam 1, and is welded to the two angle steels 3 at the bottom of the beam. Specifically, the fourth plate 10 fits the top of the beam and is welded and fixed to the angle steel 3 and the flat steel 4 at the top of the beam on both sides, and the fifth plate 11 fits the waist plate of the angle steel 3 at the bottom of the beam and is welded and fixed to the two angle steels 3 at the bottom of the beam. By further arranging the fourth plate 10 and the fifth plate 11, in coordination with the first connection structure and the second connection structure, the three angle steels 3 and the flat steel 4 are connected to form a whole, and the angle steels 3 and the flat steels 4 are subjected to force in coordination, thereby improving the strength and stability of the reinforced structure, and reinforcing the concrete beam 1, and having the advantages of reasonable force, simple structure, and convenient construction.

[0034] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete beam externally bonded steel reinforcement structure, characterized in that: include: A concrete beam (1), wherein the floor slab (2) on one side has a surface elevation equal to the beam top elevation, and the floor slab (2) on the other side has a surface elevation lower than the beam top elevation; Three angle steels (3) are respectively arranged at the corners on both sides of the bottom of the concrete beam (1) and at the corner on one side of the top of the beam close to the lower floor slab (2), and the two waist plates of the angle steels (3) are respectively in contact with the two side surfaces of the corner of the concrete beam (1), the two angle steels (3) at the bottom of the beam are connected by a first connecting piece, and the angle steel (3) at the top of the beam and the angle steel (3) at the bottom of the beam close to the lower floor slab (2) are connected by a first connecting structure; The flat steel (4) is fitted to the top surface of the concrete beam (1) and extends to fit the floor slab (2) at the same elevation as the beam top; the angle steel (3) at the beam top is connected to the flat steel (4) via a second connecting piece; and the flat steel (4) is connected to the angle steel (3) at the beam bottom near the high floor slab (2) via a second connecting structure.

2. The concrete beam (1) externally bonded steel reinforcement structure according to claim 1 is characterized in that: The first connection structure comprises a first connection rod (5), which is vertically arranged and passes through the lower floor (2), and the two ends of the first connection rod (5) are respectively connected to the two angle steels (3).

3. The concrete beam (1) externally bonded steel reinforcement structure according to claim 2 is characterized in that: The first connection structure also includes a first gusset plate (6) and a second gusset plate (7), wherein the first gusset plate (6) and the second gusset plate (7) are parallel to the side of the concrete beam (1), the first gusset plate (6) is attached to the angle steel (3) at the top of the beam and is welded to the angle steel (3), the second gusset plate (7) is attached to the angle steel (3) at the bottom of the beam and is welded to the angle steel (3), and the two ends of the first connecting rod (5) are respectively welded to the first gusset plate (6) and the second gusset plate (7).

4. The concrete beam (1) externally bonded steel reinforcement structure according to claim 1 is characterized in that: The second connection structure comprises a second connection rod (8), which is vertically arranged and passes through the high floor (2), the lower end of the second connection rod (8) is connected to the angle steel (3), and the upper end passes through the flat steel (4) and is threadedly connected to a nut.

5. The concrete beam (1) externally bonded steel reinforcement structure according to claim 4 is characterized in that: The second connection structure also includes a third fixing plate (9), the third fixing plate (9) is parallel to the side of the concrete beam (1), the third fixing plate (9) is in contact with the angle steel (3) at the bottom of the beam and is welded to the angle steel (3), and the lower end of the second connecting rod (8) is welded to the third fixing plate (9).

6. The concrete beam (1) externally bonded steel reinforcement structure according to claim 3 is characterized in that: Along the length direction of the concrete beam (1), the length of the first gusset plate (6) is the same as that of the angle steel (3).

7. The concrete beam (1) externally bonded steel reinforcement structure according to claim 1 is characterized in that: The first connecting member comprises a fourth connecting plate (10), the fourth connecting plate (10) is parallel to the top surface of the concrete beam (1), and the fourth connecting plate (10) is welded to the angle steel (3) and the flat steel (4) at the top of the beam.

8. The concrete beam (1) externally bonded steel reinforcement structure according to claim 1 is characterized in that: The second connecting member comprises a fifth gusset plate (11), the fifth gusset plate (11) is parallel to the bottom surface of the concrete beam (1), and the fifth gusset plate (11) is welded to the two angle steels (3) at the bottom of the beam.

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