Reinforced concrete beam web holing reinforcing structure and reinforcing method
By designing reinforcement components and methods on the belly of reinforced concrete beams, the problem of insufficient reinforcement of beam belly holes in the existing technology is solved, effective reinforcement of reinforced concrete beams and flexible layout of buildings are achieved, and normal use of buildings and national specifications are met.
Patent Information
- Application Number
- CN202510152478.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-04-25
AI Technical Summary
While increasing the resistance of reinforced concrete beams, the prior art lacks effective methods to reinforce the beam belly holes to adapt to the installation of air conditioning pipelines, resulting in the low building building net height and failure to meet the normal use and national specifications.
A reinforced concrete beam belly hole reinforcement structure and method is provided, including upper and lower reinforcement components and vertical reinforcement components, through which assembly ports are formed for air conditioning ducts to pass through, and the structure is fixed and reinforced by welding and pouring concrete.
This reinforcement structure and method can ensure the resistance of reinforced concrete beams while meeting the needs of opening holes on the beam, realize the reinforcement of reinforced concrete beams, and improve the flexibility of building fire protection renovation and air conditioning pipeline layout.
Smart Images
Figure CN119877881A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of reinforced concrete structure reinforcement and reconstruction, and in particular relates to a reinforced concrete beam web opening reinforcement structure and a reinforcement method. Background Art
[0002] Reinforced concrete beams are beams made of reinforced concrete materials. They are bending members. The steel bars inside the beams are in tension and the concrete is in compression. Nowadays, the number of building renovation projects is increasing year by year. The renovation content is mainly focused on changing the original building functions and fire protection renovation. Among them, the laying and installation of new air-conditioning pipes are inevitable. However, the building height of some old buildings is relatively low. After the air-conditioning pipes are installed, the net height of the building is too low to meet normal use and cannot meet national standards.
[0003] Although the beam reinforcement method in the prior art can increase the resistance of reinforced concrete beams, it lacks consideration of the actual situation and lacks a reinforcement method that can both increase the resistance of reinforced concrete beams and open holes in the web of the beam, which needs to be improved. Summary of the invention
[0004] In order to solve all or part of the above problems, the purpose of the present invention is to provide a reinforced concrete beam web opening reinforcement structure and reinforcement method, which can ensure the resistance of the reinforced concrete beam while opening a hole in the beam web for the air-conditioning pipe to pass through.
[0005] In a first aspect, the present invention provides a reinforced concrete beam web opening reinforcement structure, comprising:
[0006] The upper reinforcement component is arranged horizontally and is used to connect with the steel bars in the beam;
[0007] A lower reinforcement component is horizontally and parallelly arranged below the upper reinforcement component and is used to connect with the steel bars in the beam;
[0008] Two vertical reinforcement components are provided, and the two vertical reinforcement components are respectively provided between the upper reinforcement component and the lower reinforcement component, and are located at two end positions of the upper reinforcement component and the lower reinforcement component;
[0009] Among them, the tops of the two vertical reinforcement components are fixedly connected to the upper reinforcement component respectively, and the bottoms are fixedly connected to the lower reinforcement component respectively, and an assembly opening for the air-conditioning pipe to pass through is formed between the upper reinforcement component, the lower reinforcement component and the two vertical reinforcement components.
[0010] Optionally, the upper reinforcement assembly includes:
[0011] The first upper steel plate is horizontally arranged and used for welding and fixing with the longitudinal reinforcement in the beam;
[0012] An upper second steel plate is horizontally and parallelly arranged below the upper first steel plate;
[0013] There are multiple upper reinforcing vertical plates, which are respectively arranged between the upper first steel plate and the upper second steel plate. The multiple upper reinforcing vertical plates are arranged at equal intervals in the horizontal direction, and the top of each upper reinforcing vertical plate is welded and fixed to the upper first steel plate, and the bottom is welded and fixed to the upper second steel plate.
[0014] Optionally, the lower reinforcement assembly includes:
[0015] The first lower steel plate is arranged horizontally;
[0016] A lower second steel plate is horizontally and parallelly arranged above the lower first steel plate;
[0017] There are multiple lower reinforcing vertical plates, which are respectively arranged between the lower first steel plate and the lower second steel plate. The multiple lower reinforcing vertical plates are arranged at equal intervals in the horizontal direction, and the top of each lower reinforcing vertical plate is welded and fixed to the lower second steel plate, and the bottom is welded and fixed to the lower first steel plate.
[0018] Optionally, each of the vertical reinforcement components includes two vertical reinforcement steel plates and a plurality of reinforcement transverse plates, and the plurality of reinforcement transverse plates are arranged at equal intervals in the vertical direction. Both ends of each reinforcement transverse plate are welded and fixed to the corresponding vertical reinforcement steel plates, and the vertical reinforcement steel plate located at the end of the upper first steel plate is used for welding and fixing to the waist reinforcement and the lower longitudinal reinforcement in the beam.
[0019] Optionally, the lengths of the upper second steel plate and the lower second steel plate are equal and respectively smaller than the lengths of the upper first steel plate, the top of each vertical reinforcement steel plate is welded and fixed to the upper first steel plate, the bottom is welded and fixed to the lower first steel plate, and the two ends of the upper second steel plate and the lower second steel plate are welded and fixed to the corresponding vertical reinforcement steel plates.
[0020] Optionally, the reinforcement structure further includes two groups of reinforcing steel bars respectively located at the bottom of the beam, the two groups of reinforcing steel bars are respectively welded and fixed to the stirrups inside the beam, and the ends of the two groups of reinforcing steel bars close to each other are respectively welded and fixed to the corresponding vertical reinforcement components.
[0021] In a second aspect, the present invention provides a reinforced concrete beam web opening reinforcement method, using a reinforcement structure, comprising the following steps:
[0022] S1, cut the beam web according to the size of the air conditioning pipe;
[0023] S2, making reinforcement structure according to the beam web cutout size and air conditioning pipe size;
[0024] S3, installing the reinforcement structure at the beam web cut-out position, and welding and fixing the reinforcement structure to the steel bars in the beam;
[0025] S4, pouring concrete into the reinforced structure by pouring equipment;
[0026] S5, finishing the poured concrete.
[0027] Optionally, S2 includes:
[0028] S21, selecting an upper reinforcement component, a lower reinforcement component, and a vertical reinforcement component of appropriate sizes;
[0029] S22, respectively weld and fix the tops of the two vertical reinforcing steel plates to the upper first steel plate, respectively weld and fix the bottoms of the two vertical reinforcing steel plates to the lower first steel plate, and respectively weld and fix the upper second steel plate and the lower second steel plate to the corresponding vertical reinforcing steel plates.
[0030] Optionally, S3 includes:
[0031] S31, welding and fixing the two sets of reinforcing steel bars to the stirrups inside the beam respectively;
[0032] S32, installing the reinforcement structure at the beam web cutout position;
[0033] S33, the stirrups in the beam are welded and fixed to the upper first steel plate, and the waist reinforcement and lower longitudinal reinforcement in the beam are respectively welded and fixed to the corresponding vertical reinforcement steel plates located at both ends of the upper first steel plate, and at the same time, the ends of the two groups of reinforcing steel bars close to each other are respectively welded and fixed to the corresponding vertical reinforcement steel plates.
[0034] It can be seen from the above technical scheme that the reinforced concrete beam web opening reinforcement structure and reinforcement method provided by the present invention have the following advantages:
[0035] The reinforcement structure and reinforcement method can meet the requirements of opening a hole in the web of the beam for the air-conditioning pipe to pass through while ensuring the resistance of the reinforced concrete beam, thereby realizing the reinforcement of the reinforced concrete beam and making the building fire protection renovation and air-conditioning pipe layout more flexible and diverse.
[0036] Other features and advantages of the present invention will be set forth in the description which follows. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.
[0038] Figure 1 It is a front view of a reinforced concrete beam web opening reinforcement structure according to an embodiment of the present invention;
[0039] Figure 2 It is a schematic diagram of the use status of the reinforced concrete beam web opening reinforcement structure in an embodiment of the present invention.
[0040] Description of reference numerals:
[0041] 1. Upper reinforcement assembly; 11. Upper first steel plate; 12. Upper second steel plate; 13. Upper reinforcing vertical plate; 2. Lower reinforcement assembly; 21. Lower first steel plate; 22. Lower second steel plate; 23. Lower reinforcing vertical plate; 3. Vertical reinforcement assembly; 31. Vertical reinforcing steel plate; 32. Reinforced transverse plate; 4. Assembly opening; 5. Reinforced steel bars; 6. Upper longitudinal bars; 7. Waist bars; 8. Lower longitudinal bars; 9. Stirrups. DETAILED DESCRIPTION
[0042] To make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other arbitrarily without conflict.
[0043] like Figure 1 , Figure 2 The embodiment of the present invention is shown in the figure, which discloses a reinforced concrete beam web opening reinforcement structure, including an upper reinforcement component 1, a lower reinforcement component 2 and two vertical reinforcement components 3. The upper reinforcement component 1 and the lower reinforcement component 2 are respectively arranged horizontally, and the lower reinforcement component 2 is arranged parallel to the lower part of the upper reinforcement component 1. The upper reinforcement component 1 is used for fixed connection with the steel bars in the beam. The two vertical reinforcement components 3 are respectively arranged between the upper reinforcement component 1 and the lower reinforcement component 2, and the vertical reinforcement components 3 are located at the two ends of the upper reinforcement component 1 and the lower reinforcement component 2.
[0044] In one embodiment, Figure 1 , Figure 2 As shown, the tops of the two vertical reinforcement components 3 are fixedly connected to the upper reinforcement component 1, and the bottoms are fixedly connected to the lower reinforcement component 2, respectively. The upper reinforcement component 1, the lower reinforcement component 2 and the two vertical reinforcement components 3 are in a rectangular frame structure, so that an assembly opening 4 for the air-conditioning pipe to pass through is formed between the upper reinforcement component 1, the lower reinforcement component 2 and the two vertical reinforcement components 3.
[0045] The reinforced concrete beam web opening reinforcement structure in this embodiment can meet the requirements of opening holes in the beam web for the air-conditioning pipes to pass through while ensuring the resistance of the reinforced concrete beam, thereby reinforcing the reinforced concrete beam and making the building fire protection renovation and air-conditioning pipe layout more flexible and diverse.
[0046] In one embodiment, Figure 1 , Figure 2 As shown, the upper reinforcement assembly 1 includes an upper first steel plate 11, an upper second steel plate 12 and a plurality of upper reinforcing vertical plates 13. The upper first steel plate 11 and the upper second steel plate 12 are respectively arranged horizontally, the upper second steel plate 12 is arranged parallel to the lower portion of the upper first steel plate 11, and the upper first steel plate 11 is used to be welded and fixed to the longitudinal reinforcement in the beam. The plurality of upper reinforcing vertical plates 13 are respectively arranged between the upper first steel plate 11 and the upper second steel plate 12, and the plurality of upper reinforcing vertical plates 13 are arranged at equal intervals in the horizontal direction, and the top of each upper reinforcing vertical plate 13 is respectively welded and fixed to the upper first steel plate 11, and the bottom is respectively welded and fixed to the upper second steel plate 12.
[0047] In one embodiment, Figure 1 , Figure 2 As shown, the lower reinforcement assembly 2 includes a lower first steel plate 21, a lower second steel plate 22 and a plurality of lower reinforcing vertical plates 23, the lower first steel plate 21 and the lower second steel plate 22 are respectively arranged horizontally, and the lower second steel plate 22 is arranged parallel to the upper part of the lower first steel plate 21. The plurality of lower reinforcing vertical plates 23 are respectively arranged between the lower first steel plate 21 and the lower second steel plate 22, and the plurality of lower reinforcing vertical plates 23 are arranged at equal intervals in the horizontal direction, and the top of each lower reinforcing vertical plate 23 is respectively welded and fixed to the lower second steel plate 22, and the bottom is respectively welded and fixed to the lower first steel plate 21.
[0048] In one embodiment, Figure 1 , Figure 2 As shown, each vertical reinforcement assembly 3 includes two vertical reinforcement steel plates 31 and a plurality of reinforcement transverse plates 32. The plurality of reinforcement transverse plates 32 are arranged at equal intervals in the vertical direction. Both ends of each reinforcement transverse plate 32 are welded and fixed to the corresponding vertical reinforcement steel plates 31. The vertical reinforcement steel plate 31 located at the end of the upper first steel plate 11 is used for welding and fixing to the waist reinforcement 7 and the lower longitudinal reinforcement 8 in the beam.
[0049] In one embodiment, Figure 1 , Figure 2 As shown, the lengths of the upper second steel plate 12 and the lower second steel plate 22 are equal and respectively smaller than the length of the upper first steel plate 11, and the length of the lower first steel plate 21 is greater than the length of the upper first steel plate 11. At the same time, the top of each vertical reinforcement steel plate 31 is respectively welded and fixed to the upper first steel plate 11, and the bottom is respectively welded and fixed to the lower first steel plate 21, and both ends of the upper second steel plate 12 and the lower second steel plate 22 are respectively welded and fixed to the corresponding vertical reinforcement steel plates 31.
[0050] In one embodiment, Figure 1 , Figure 2As shown, the reinforcement structure also includes two groups of reinforcing steel bars 5 respectively located at the bottom of the beam, the two groups of reinforcing steel bars 5 are respectively welded and fixed to the stirrups 9 in the beam, and the ends of the two groups of reinforcing steel bars 5 close to each other are respectively welded and fixed to the corresponding vertical reinforcing steel plates 31 to improve the structural stability.
[0051] This embodiment also discloses a reinforced concrete beam web opening reinforcement method, using the above reinforcement structure, including the following steps:
[0052] S1, cut the beam web according to the size of the air conditioning pipe;
[0053] S2, making reinforcement structure according to the beam web cutout size and air conditioning pipe size;
[0054] S3, installing the reinforcement structure at the beam web cut-out position, and welding and fixing the reinforcement structure to the steel bars in the beam;
[0055] S4, pouring concrete into the reinforced structure by pouring equipment;
[0056] S5, finishing the poured concrete.
[0057] In S1, the steel bars in the reinforced concrete beam include upper longitudinal bars 6, waist bars 7 and lower longitudinal bars 8 arranged horizontally from top to bottom, and also include a plurality of stirrups 9 arranged vertically, and the stirrups 9 are respectively welded and fixed to the upper longitudinal bars 6, waist bars 7 and lower longitudinal bars 8. After the web of the beam is cut off, part of the upper longitudinal bars 6, waist bars 7, lower longitudinal bars 8 and stirrups 9 are cut off to form an opening area for the air conditioning pipe to pass through.
[0058] S2 includes:
[0059] S21, selecting an upper reinforcement component 1, a lower reinforcement component 2 and a vertical reinforcement component 3 of appropriate sizes according to actual needs;
[0060] S22, weld and fix the tops of the two vertical reinforcing steel plates 31 to the upper first steel plate 11 respectively, weld and fix the bottoms of the two vertical reinforcing steel plates 31 to the lower first steel plate 21 respectively, and weld and fix the upper second steel plate 12 and the lower second steel plate 22 to the corresponding vertical reinforcing steel plates 31 respectively.
[0061] S3 includes:
[0062] S31, welding and fixing the two groups of reinforcing steel bars 5 to the stirrups 9 in the beam respectively;
[0063] S32, installing the reinforcement structure at the beam web cutout position;
[0064] S33, weld and fix the stirrups 9 in the beam to the upper first steel plate 11, and weld and fix the waist reinforcement 7 and the lower longitudinal reinforcement 8 in the beam to the corresponding vertical reinforcement steel plates 31 located at both ends of the upper first steel plate 11, and at the same time, weld and fix the ends of the two groups of reinforcing steel bars 5 that are close to each other to the corresponding vertical reinforcement steel plates 31.
[0065] The cross-sectional height of the reinforced concrete beam applicable to the present invention is 400mm-1200mm, and the applicable width is 200mm-500mm. All steel materials can be selected from Q235 or Q355 series structural steel according to the design. The reinforced structure and gaps are filled with C50 or higher high-strength grouting materials. The steel bars can be selected from HRB400 or higher threaded steel bars according to the design.
[0066] From the above, it can be seen that the reinforcement method of the reinforced concrete beam web opening reinforcement structure can meet the requirements of opening holes in the beam web for the air-conditioning pipe to pass through while ensuring the resistance of the reinforced concrete beam, thereby realizing the reinforcement of the reinforced concrete beam and making the building fire protection renovation and air-conditioning pipe layout more flexible and diverse.
[0067] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention should have the common meanings understood by those skilled in the art to which the present invention belongs.
[0068] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.
[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
Claims
1. A reinforced concrete beam web opening reinforcement structure, characterized in that: include: The upper reinforcement component (1) is arranged horizontally and is used to connect with the steel bars in the beam; A lower reinforcement component (2) is arranged horizontally and parallel to the lower side of the upper reinforcement component (1) and is used to connect with the steel bars in the beam; Two vertical reinforcement components (3) are provided, and the two vertical reinforcement components (3) are respectively arranged between the upper reinforcement component (1) and the lower reinforcement component (2), and are located at the two end positions of the upper reinforcement component (1) and the lower reinforcement component (2); The tops of the two vertical reinforcement components (3) are respectively fixedly connected to the upper reinforcement component (1), and the bottoms are respectively fixedly connected to the lower reinforcement component (2), and an assembly opening (4) for the air conditioning duct to pass through is formed between the upper reinforcement component (1), the lower reinforcement component (2) and the two vertical reinforcement components (3).
2. The reinforcement structure according to claim 1, characterized in that: The upper reinforcement assembly (1) comprises: The upper first steel plate (11) is arranged horizontally and is used for welding and fixing with the longitudinal reinforcement in the beam; An upper second steel plate (12) is arranged horizontally and parallel to the lower side of the upper first steel plate (11); There are a plurality of upper reinforcing vertical plates (13), which are respectively arranged between the upper first steel plate (11) and the upper second steel plate (12); the plurality of upper reinforcing vertical plates (13) are arranged at equal intervals in the horizontal direction, and the top of each upper reinforcing vertical plate (13) is respectively welded and fixed to the upper first steel plate (11), and the bottom is respectively welded and fixed to the upper second steel plate (12).
3. The reinforcement structure according to claim 2, characterized in that: The lower reinforcement assembly (2) comprises: The lower first steel plate (21) is arranged horizontally; A lower second steel plate (22) is arranged horizontally and parallely above the lower first steel plate (21); There are multiple lower reinforcing vertical plates (23), which are respectively arranged between the lower first steel plate (21) and the lower second steel plate (22). The multiple lower reinforcing vertical plates (23) are arranged at equal intervals in the horizontal direction, and the top of each lower reinforcing vertical plate (23) is respectively welded and fixed to the lower second steel plate (22), and the bottom is respectively welded and fixed to the lower first steel plate (21).
4. The reinforcement structure according to claim 3, characterized in that: Each of the vertical reinforcement components (3) comprises two vertical reinforcement steel plates (31) and a plurality of reinforcement transverse plates (32). The plurality of reinforcement transverse plates (32) are arranged at equal intervals in the vertical direction. The two ends of each reinforcement transverse plate (32) are respectively welded and fixed to the corresponding vertical reinforcement steel plate (31). The vertical reinforcement steel plate (31) located at the end of the upper first steel plate (11) is used for being welded and fixed to the waist reinforcement (7) and the lower longitudinal reinforcement (8) in the beam.
5. The reinforcement structure according to claim 4, characterized in that: The lengths of the upper second steel plate (12) and the lower second steel plate (22) are equal and respectively smaller than the length of the upper first steel plate (11); the top of each vertical reinforcing steel plate (31) is respectively welded and fixed to the upper first steel plate (11), and the bottom is respectively welded and fixed to the lower first steel plate (21); and both ends of the upper second steel plate (12) and the lower second steel plate (22) are respectively welded and fixed to the corresponding vertical reinforcing steel plates (31).
6. The reinforcement structure according to claim 1, characterized in that: The reinforcement structure also includes two groups of reinforcing steel bars (5) respectively located at the bottom of the beam, the two groups of reinforcing steel bars (5) are respectively welded and fixed to the stirrups (9) inside the beam, and the ends of the two groups of reinforcing steel bars (5) close to each other are respectively welded and fixed to the corresponding vertical reinforcement components (3).
7. A reinforced concrete beam web opening reinforcement method, using the reinforcement structure according to any one of claims 1 to 6, characterized in that: The steps include: S1, cut the beam web according to the size of the air conditioning pipe; S2, making reinforcement structure according to the beam web cutout size and air conditioning pipe size; S3, installing the reinforcement structure at the beam web cut-out position, and welding and fixing the reinforcement structure to the steel bars in the beam; S4, pouring concrete into the reinforced structure by pouring equipment; S5, finishing the poured concrete.
8. The reinforcement method according to claim 7, characterized in that S2 include: S21, selecting an upper reinforcement component (1), a lower reinforcement component (2), and a vertical reinforcement component (3) of appropriate sizes; S22, the tops of the two vertical reinforcing steel plates (31) are respectively welded and fixed to the upper first steel plate (11), the bottoms of the two vertical reinforcing steel plates (31) are respectively welded and fixed to the lower first steel plate (21), and the upper second steel plate (12) and the lower second steel plate (22) are respectively welded and fixed to the corresponding vertical reinforcing steel plates (31).
9. The reinforcement method according to claim 7, characterized in that S3 include: S31, welding and fixing the two groups of reinforcing steel bars (5) to the stirrups (9) inside the beam respectively; S32, installing the reinforcement structure at the beam web cutout position; S33, the stirrups (9) in the beam are welded and fixed to the upper first steel plate (11), and the waist reinforcement (7) and the lower longitudinal reinforcement (8) in the beam are respectively welded and fixed to the corresponding vertical reinforcement steel plates (31) located at the two ends of the upper first steel plate (11), and at the same time, the ends of the two groups of reinforcing steel bars (5) close to each other are respectively welded and fixed to the corresponding vertical reinforcement steel plates (31).