Existing building door opening lintel reinforcing structure
By setting up reinforced structures with oblique braces and connectors at the door opening lintels of old buildings, the quality problem of lintels in old buildings is solved, the stability and safety factor of the building walls are improved, and the construction is simple and the cost is low.
Patent Information
- Application Number
- CN202422153858.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Due to the influence of environmental or surrounding construction activities, quality problems such as cracks have occurred, which seriously weakens the overall stability and safety factor of the building walls.
Without destroying the original structure, the first front oblique brace, the first rear oblique brace and the connecting parts are provided to form a reinforced structure, which enhances the shear bearing capacity of the building wall and reduces the shear force on the lintel.
It effectively improves the overall stability and safety factor of building walls, reduces construction costs, and simplifies the construction process, which is suitable for large-scale promotion and application.
Smart Images
Figure CN223018257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reinforcement of existing buildings, in particular to the technical field of reinforcement of lintels at door openings of existing buildings, and specifically refers to a reinforcement structure for lintels at door openings of existing buildings. Background Technique
[0002] With the passage of time, many buildings in the city have gradually entered the "middle age" or "old age". Due to the influence of various reasons such as the environment or surrounding construction activities, many old buildings have many quality problems, and even some components have various cracks, seriously weakening the overall stability.
[0003] For example, there are usually door openings in the building walls of existing buildings (i.e., existing buildings). There are lintels at the top of the door openings, and there are floor slabs on the building walls. Due to the influence of various reasons such as the environment or surrounding construction activities, the lintels will have many quality problems, and even various cracks will appear, seriously weakening the overall stability of the building walls, and the safety factor of the building is insufficient.
[0004] Therefore, it is hoped to provide a reinforcement structure for lintels at door openings of existing buildings, which can reinforce the building walls without damaging the original structure, improve the shear bearing capacity of the building walls, reduce the shear force borne by the lintels, thereby improving the overall stability of the building walls and increasing the safety factor of the building. Content of the Utility Model
[0005] In order to overcome the above-mentioned shortcomings in the prior art, an object of the utility model is to provide a reinforcement structure for lintels at door openings of existing buildings, which can reinforce the building walls without damaging the original structure, improve the shear bearing capacity of the building walls, reduce the shear force borne by the lintels, thereby improving the overall stability of the building walls and increasing the safety factor of the building, and is suitable for large-scale popularization and application.
[0006] Another object of the utility model is to provide a reinforcement structure for lintels at door openings of existing buildings, which is ingeniously designed, has a simple structure, is easy to construct, has a low construction cost, and is suitable for large-scale popularization and application.
[0007] To achieve the above object, the present utility model provides a reinforcement structure for the lintel of a door opening in an existing building, including a building wall, a door opening, a lintel, and a floor slab. The building wall is vertically arranged and extends in the left-right direction. The door opening is arranged in the middle and lower part of the building wall in the front-back direction. The lintel is horizontally arranged and extends in the left-right direction. The lintel is located under the top wall of the door opening and abuts against the top wall of the door opening. The left end and the right end of the lintel are respectively inserted into the top of the left side wall and the top of the right side wall of the door opening. The floor slab is horizontally arranged on the building wall. Its feature is that the reinforcement structure for the lintel of the door opening in the existing building further includes a first front diagonal brace, a first rear diagonal brace, and a first connecting member, where:
[0008] Both the first front diagonal brace and the first rear diagonal brace are arranged to incline upward to the right from left to right and are spaced apart from each other front and back. The first front diagonal brace and the first rear diagonal brace are respectively located in front of and behind the building wall, both abut against the building wall, and are both located between the floor slab and the door opening. The first connecting member is arranged in the front-back direction and is inserted into the first front diagonal brace, the building wall, and the first rear diagonal brace in the front-back direction.
[0009] Preferably, both the first front diagonal brace and the first rear diagonal brace are first flat steel hoop diagonal braces, and the first flat steel hoop diagonal braces are both vertically arranged.
[0010] Preferably, the number of the first connecting members is multiple, and the multiple first connecting members are spaced apart from each other along the length direction of the first front diagonal brace.
[0011] Preferably, the first connecting member is a first anchor bolt.
[0012] Preferably, the reinforcement structure for the lintel of the door opening in the existing building further includes a first adhesive and a second adhesive. The first adhesive is located between the building wall and the first front diagonal brace and respectively bonds the building wall and the first front diagonal brace. The second adhesive is located between the building wall and the first rear diagonal brace and respectively bonds the building wall and the first rear diagonal brace.
[0013] Preferably, the reinforcement structure for the lintel of the door opening in the existing building further includes a second front diagonal brace, a second rear diagonal brace, and a second connecting member, where:
[0014] The second front diagonal brace and the second rear diagonal brace are both inclined downward to the right along the left-to-right direction and are spaced apart from each other front and back. The second front diagonal brace and the second rear diagonal brace are respectively located in front of and behind the building wall, both abut against the building wall, and are both located between the floor slab and the door opening. The second front diagonal brace and the first front diagonal brace are arranged crosswise, and the second rear diagonal brace and the first rear diagonal brace are arranged crosswise. The second connecting member is arranged along the front-back direction and is inserted into the second front diagonal brace, the building wall, and the second rear diagonal brace along the front-back direction.
[0015] Preferably, both the second front diagonal brace and the second rear diagonal brace are second flat steel hoop diagonal braces, and the second flat steel hoop diagonal braces are both arranged vertically.
[0016] Preferably, the number of the second connecting members is multiple, and the multiple second connecting members are spaced apart from each other along the length direction of the second front diagonal brace.
[0017] Preferably, the second connecting member is a second anchor bolt.
[0018] Preferably, the existing building door opening lintel reinforcement structure further includes a third adhesive and a fourth adhesive. The third adhesive is located between the building wall and the second front diagonal brace and bonds the building wall and the second front diagonal brace respectively. The fourth adhesive is located between the building wall and the second rear diagonal brace and bonds the building wall and the second rear diagonal brace respectively.
[0019] The beneficial effects of the present utility model mainly lie in:
[0020] 1. In the existing building door opening lintel reinforcement structure of the present utility model, the building wall is arranged vertically and along the left-right direction, the door opening is arranged in the middle and lower parts of the building wall along the front-back direction, the lintel is arranged horizontally and along the left-right direction, the lintel is located under the top wall of the door opening and abuts against the top wall of the door opening, the left end and the right end of the lintel are respectively inserted into the top of the left side wall and the top of the right side wall of the door opening, the floor slab is arranged horizontally on the building wall, the first front diagonal brace and the first rear diagonal brace are both inclined upward to the right along the left-to-right direction and are spaced apart from each other front and back, the first front diagonal brace and the first rear diagonal brace are respectively located in front of and behind the building wall, both abut against the building wall, and are both located between the floor slab and the door opening, the first connecting member is arranged along the front-back direction and is inserted into the first front diagonal brace, the building wall, and the first rear diagonal brace along the front-back direction. Therefore, it can reinforce the building wall without damaging the original structure, improve the shear bearing capacity of the building wall, reduce the shear force borne by the lintel, thereby improving the overall stability of the building wall and increasing the safety factor of the building, and is suitable for large-scale popularization and application.
[0021] 2. In the existing building lintel reinforcement structure of the present utility model, the building wall is vertically arranged and extends in the left - right direction. The door opening is arranged in the middle and lower part of the building wall in the front - back direction. The lintel is horizontally arranged and extends in the left - right direction. The lintel is located under the top wall of the door opening and abuts against the top wall of the door opening. The left end and the right end of the lintel are respectively inserted into the top of the left side wall and the top of the right side wall of the door opening. The floor slab is horizontally arranged on the building wall. The first front brace and the first rear brace are both inclined upward from left to right and are spaced apart from each other front and back. The first front brace and the first rear brace are respectively located in front of and behind the building wall, both abut against the building wall, and are both located between the floor slab and the door opening. The first connecting member is arranged in the front - back direction and is inserted into the first front brace, the building wall, and the first rear brace in the front - back direction. Therefore, its design is ingenious, the structure is simple, the construction is convenient, the construction cost is low, and it is suitable for large - scale popularization and application.
[0022] These and other objects, features, and advantages of the present utility model are fully reflected by the following detailed description and the accompanying drawings, and can be realized by the means, devices, and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a partial front - view sectional schematic diagram of a specific embodiment of the existing building lintel reinforcement structure of the present utility model.
[0024] Figure 2 is Figure 1 a partial left - view sectional schematic diagram of the specific embodiment shown.
[0025] (Symbol description)
[0026] 1 Building wall; 2 Door opening; 3 Floor slab; 4 First front brace; 5 First rear brace; 6 First connecting member; 7 First adhesive; 8 Second adhesive; 9 Second front brace; 10 Second rear brace; 11 Second connecting member; 12 Third adhesive; 13 Fourth adhesive. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] In order to be able to more clearly understand the technical content of the present utility model, the following embodiments are specifically described in detail.
[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0029] Please refer to Figures 1 to 2 As shown, in a specific embodiment of the present utility model, the reinforcement structure for the lintel of the door opening in the existing building of the present utility model includes a building wall 1, a door opening 2, a lintel (not shown in the figure), a floor slab 3, a first front diagonal brace 4, a first rear diagonal brace 5, and a first connecting member 6, wherein:
[0030] The building wall 1 is vertically arranged and extends in the left - right direction. The door opening 2 is arranged in the front - rear direction in the middle and lower part of the building wall 1. The lintel is horizontally arranged and extends in the left - right direction. The lintel is located under the top wall of the door opening 2 and abuts against the top wall of the door opening 2. The left end and the right end of the lintel are respectively inserted into the top of the left - hand side wall and the top of the right - hand side wall of the door opening 2. The floor slab 3 is horizontally arranged on the building wall 1;
[0031] Both the first front diagonal brace 4 and the first rear diagonal brace 5 are arranged obliquely upward from left to right and are spaced apart from each other front - rear. The first front diagonal brace 4 and the first rear diagonal brace 5 are respectively located in front of and behind the building wall 1, both abut against the building wall 1, and are both located between the floor slab 3 and the door opening 2. The first connecting member 6 is arranged in the front - rear direction and is inserted into the first front diagonal brace 4, the building wall 1, and the first rear diagonal brace 5 in the front - rear direction.
[0032] The first front diagonal brace 4 and the first rear diagonal brace 5 can be any suitable diagonal braces. In a specific embodiment of the present utility model, both the first front diagonal brace 4 and the first rear diagonal brace 5 are first flat steel hoop diagonal braces, and the first flat steel hoop diagonal braces are all vertically arranged.
[0033] The length, width, and thickness of the first flat steel hoop diagonal brace can be determined according to needs. In a specific embodiment of the present utility model, the length, width, and thickness of the first flat steel hoop diagonal brace are 2500 mm, 40 mm, and 4 mm respectively.
[0034] The number of the first connecting members 6 can be determined according to needs. Preferably, the number of the first connecting members 6 is multiple, and the multiple first connecting members 6 are spaced apart from each other along the length direction of the first front diagonal brace 4. The above "multiple" means more than 2. Please refer to Figure 1 As shown, in a specific embodiment of the present utility model, the number of the first connecting members 6 is 7.
[0035] The first connecting member 6 can be any suitable connecting member. In a specific embodiment of the present utility model, the first connecting member 6 is a first anchor bolt.
[0036] The first anchor bolt can be any suitable type of anchor bolt. In a specific embodiment of the present utility model, the first anchor bolt is an M10 anchor bolt, that is, its diameter is 10 mm.
[0037] The reinforcement structure of the existing building lintel at the door opening may also include other suitable components. Please refer to Figure 2 As shown, in a specific embodiment of the present invention, the reinforcement structure of the existing building lintel at the door opening further includes a first adhesive 7 and a second adhesive 8. The first adhesive 7 is located between the building wall 1 and the first front diagonal brace 4 and adhesively bonds the building wall 1 and the first front diagonal brace 4 respectively. The second adhesive 8 is located between the building wall 1 and the first rear diagonal brace 5 and adhesively bonds the building wall 1 and the first rear diagonal brace 5 respectively.
[0038] The reinforcement structure of the existing building lintel at the door opening may also include other suitable components. Please refer to Figures 1 to 2 As shown, in a specific embodiment of the present invention, the reinforcement structure of the existing building lintel at the door opening further includes a second front diagonal brace 9, a second rear diagonal brace 10 and a second connecting member 11, wherein:
[0039] Both the second front diagonal brace 9 and the second rear diagonal brace 10 are inclined downward to the right along the left-to-right direction and are spaced apart from each other front and rear. The second front diagonal brace 9 and the second rear diagonal brace 10 are respectively located in front of and behind the building wall 1, both abut against the building wall 1, and are both located between the floor slab 3 and the door opening 2. The second front diagonal brace 9 and the first front diagonal brace 4 are cross-arranged, and the second rear diagonal brace 10 and the first rear diagonal brace 5 are cross-arranged. The second connecting member 11 is arranged along the front-rear direction and is inserted into the second front diagonal brace 9, the building wall 1 and the second rear diagonal brace 10 along the front-rear direction.
[0040] The second front diagonal brace 9 and the second rear diagonal brace 10 can be any suitable diagonal braces. In a specific embodiment of the present invention, both the second front diagonal brace 9 and the second rear diagonal brace 10 are second flat steel hoop diagonal braces, and the second flat steel hoop diagonal braces are all arranged vertically.
[0041] The length, width and thickness of the second flat steel hoop diagonal brace can be determined according to needs. In a specific embodiment of the present invention, the length, width and thickness of the second flat steel hoop diagonal brace are 2500 mm, 40 mm and 4 mm respectively.
[0042] The number of the second connecting members 11 can be determined according to needs. Preferably, the number of the second connecting members 11 is multiple, and the multiple second connecting members 11 are spaced apart from each other along the length direction of the second front diagonal brace 9. Please refer to Figure 1 As shown, in a specific embodiment of the present invention, the number of the second connecting members 11 is 6.
[0043] The second connecting member 11 can be any suitable connecting member. In a specific embodiment of the present utility model, the second connecting member 11 is a second anchor bolt.
[0044] The second anchor bolt can be an anchor bolt of any suitable model. In a specific embodiment of the present utility model, the second anchor bolt is an M10 anchor bolt, that is, its diameter is 10 mm.
[0045] The reinforcement structure for the lintel of the existing building door opening may further include other suitable components. Please refer to Figure 2 As shown, in a specific embodiment of the present utility model, the reinforcement structure for the lintel of the existing building door opening further includes a third adhesive 12 and a fourth adhesive 13. The third adhesive 12 is located between the building wall 1 and the second front diagonal brace 9 and adhesively connects the building wall 1 and the second front diagonal brace 9 respectively. The fourth adhesive 13 is located between the building wall 1 and the second rear diagonal brace 10 and adhesively connects the building wall 1 and the second rear diagonal brace 10 respectively.
[0046] The building wall 1 can be a building wall of any suitable material. In a specific embodiment of the present utility model, the building wall 1 is a reinforced concrete wall.
[0047] The building wall 1 can have any suitable thickness and strength grade. In a specific embodiment of the present utility model, the thickness of the building wall 1 is 300 mm and the strength grade is C40.
[0048] The door opening 2 can have any suitable length and width. In a specific embodiment of the present utility model, the length and width of the door opening 2 are 2100 mm and 1800 mm respectively.
[0049] The floor slab 3 can be a floor slab of any suitable material. In a specific embodiment of the present utility model, the floor slab 3 is a reinforced concrete floor slab.
[0050] The floor slab 3 can have any suitable slab thickness and strength grade. In a specific embodiment of the present utility model, the slab thickness of the floor slab 3 is 200 mm and the strength grade of the floor slab 3 is C30.
[0051] During construction, the building wall 1, the door opening 2, the lintel and the floor slab 3 are existing and pre - existing. Place the first front diagonal brace 4 in front of the building wall 1 between the floor slab 3 and the door opening 2 and move it backward so that the first front diagonal brace 4 abuts against the building wall 1; place the first rear diagonal brace 5 behind the building wall 1 between the floor slab 3 and the door opening 2 and move it forward so that the first rear diagonal brace 5 abuts against the building wall 1; insert the first connecting member 6 in the first front diagonal brace 4, the building wall 1 and the first rear diagonal brace 5 in the front - to - back direction.
[0052] In the presence of the second front brace 9, the second rear brace 10 and the second connecting member 11, and in the presence of the first adhesive 7, the second adhesive 8, the third adhesive 12 and the fourth adhesive 13, the first front brace 4 and the second front brace 9 are arranged to cross each other. The first adhesive 7 and the third adhesive 12 are respectively applied to the rear sides of the first front brace 4 and the second front brace 9. The first front brace 4 and the second front brace 9 are placed in front of the building wall 1 between the floor slab 3 and the door opening 2 and moved backward so that the first front brace 4 and the second front brace 9 are bonded to the building wall 1. The first rear brace 5 and the second rear brace 10 are arranged to cross each other. The second adhesive 8 and the fourth adhesive 13 are respectively applied to the front sides of the first rear brace 5 and the second rear brace 10. The first rear brace 5 and the second rear brace 10 are placed behind the building wall 1 between the floor slab 3 and the door opening 2 and moved forward so that the first rear brace 5 and the second rear brace 10 are bonded to the building wall 1. The first connecting member 6 is inserted in the first front brace 4, the building wall 1 and the first rear brace 5 in the front-rear direction. The second connecting member 11 is inserted in the second front brace 9, the building wall 1 and the second rear brace 10 in the front-rear direction.
[0053] Therefore, by adopting the utility model, front braces and rear braces are respectively arranged on the front and rear sides of the building wall between the lintel and the floor slab, and the connecting member is used to insert the front brace, the building wall and the rear brace. Preferably, the spaces between the front brace and the building wall and between the rear brace and the building wall are filled with adhesives, so as to reinforce the building wall without damaging the original structure, improve the shear bearing capacity of the building wall, reduce the shear force borne by the lintel, and have a simple structure, convenient construction and low cost.
[0054] In summary, the existing building door opening lintel reinforcement structure of the utility model can reinforce the building wall without damaging the original structure, improve the shear bearing capacity of the building wall, reduce the shear force borne by the lintel, thereby improving the overall stability of the building wall, increasing the safety factor of the building, having a clever design, a simple structure, convenient construction, low construction cost, and being suitable for large-scale popularization and application.
[0055] Thus, the purpose of the utility model has been fully and effectively achieved. The functions and structural principles of the utility model have been shown and described in the embodiments. Without departing from the above principles, the embodiments can be modified arbitrarily. Therefore, the utility model includes all modified embodiments based on the spirit and scope of the claims.
Claims
1. A lintel reinforcement structure for a door opening of an existing building, comprising a building wall, a door opening, a lintel and a floor slab, wherein the building wall is arranged vertically and along the left-right direction, the door opening is arranged in the middle and lower parts of the building wall along the front-back direction, the lintel is arranged horizontally and along the left-right direction, the lintel is located under the top wall of the door opening and abuts against the top wall of the door opening, the left end and the right end of the lintel are respectively inserted into the top of the left side wall and the top of the right side wall of the door opening, and the floor slab is horizontally arranged on the building wall, characterized in that The existing building door opening lintel reinforcement structure further includes a first front diagonal brace, a first rear diagonal brace and a first connecting member, wherein: The first front diagonal brace and the first rear diagonal brace are both arranged to be inclined toward the upper right from left to right and are spaced apart from each other front to back. The first front diagonal brace and the first rear diagonal brace are respectively located in front and back of the building wall and are both against the building wall and are both located between the floor slab and the door opening. The first connecting member is arranged along the front-to-back direction and is inserted into the first front diagonal brace, the building wall and the first rear diagonal brace along the front-to-back direction.
2. The existing building door opening lintel reinforcement structure as claimed in claim 1, characterized in that: The first front diagonal brace and the first rear diagonal brace are both first flat steel hoop diagonal braces, and the first flat steel hoop diagonal braces are both vertically arranged.
3. The existing building door opening lintel reinforcement structure as claimed in claim 1, characterized in that: There are multiple first connecting members, and the multiple first connecting members are arranged at intervals along the length direction of the first front diagonal support.
4. The existing building door opening lintel reinforcement structure as claimed in claim 1, characterized in that: The first connecting member is a first anchor bolt.
5. The existing building door opening lintel reinforcement structure as claimed in claim 1, characterized in that: The existing building door opening lintel reinforcement structure also includes a first adhesive and a second adhesive, the first adhesive is located between the building wall and the first front diagonal brace and respectively bonds the building wall and the first front diagonal brace, and the second adhesive is located between the building wall and the first rear diagonal brace and respectively bonds the building wall and the first rear diagonal brace.
6. The existing building door opening lintel reinforcement structure as claimed in claim 1, characterized in that: The existing building door opening lintel reinforcement structure further includes a second front diagonal brace, a second rear diagonal brace and a second connecting member, wherein: The second front diagonal brace and the second rear diagonal brace are both arranged to be inclined toward the lower right from left to right and are spaced apart from each other front to back. The second front diagonal brace and the second rear diagonal brace are respectively located in front and back of the building wall and are both against the building wall and are both located between the floor slab and the door opening. The second front diagonal brace and the first front diagonal brace are arranged to cross each other, and the second rear diagonal brace and the first rear diagonal brace are arranged to cross each other. The second connecting member is arranged along the front-to-back direction and is inserted into the second front diagonal brace, the building wall and the second rear diagonal brace along the front-to-back direction.
7. The existing building door opening lintel reinforcement structure as claimed in claim 6, characterized in that: The second front diagonal brace and the second rear diagonal brace are both second flat steel hoop diagonal braces, and the second flat steel hoop diagonal braces are both vertically arranged.
8. The existing building door opening lintel reinforcement structure as claimed in claim 6, characterized in that: There are multiple second connecting members, and the multiple second connecting members are arranged at intervals along the length direction of the second front diagonal support.
9. The existing building door opening lintel reinforcement structure as claimed in claim 6, characterized in that: The second connecting member is a second anchor bolt.
10. The existing building door opening lintel reinforcement structure according to claim 6, characterized in that: The existing building door opening lintel reinforcement structure also includes a third adhesive and a fourth adhesive. The third adhesive is located between the building wall and the second front diagonal brace and respectively bonds the building wall and the second front diagonal brace. The fourth adhesive is located between the building wall and the second rear diagonal brace and respectively bonds the building wall and the second rear diagonal brace.