Reinforcing structure for lintel of stair hole of existing building
By using U-shaped hoops on the stair opening lintels of the building and combining pressing strips and screws to increase the bearing capacity, the problems of poor protection of walls and high cost during the reinforcement process in the prior art are solved, and efficient and low-damage lint reinforcement effect is achieved.
Patent Information
- Application Number
- CN202421244304.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing buildings have cracks in components due to their old age, which is not conducive to the protection of finished products of masonry walls during the reinforcement of lintels, which increases the cost of material rental and costs, and reduces work efficiency.
The lintel is reinforced by construction of U-shaped hoops, and the shear bearing capacity is increased by using pressing strips and screws to reduce damage to the original structure.
Effectively reinforce the lintel, reduce damage to the original structure, improve the reinforcement effect, and reduce damage to the quality of wall masonry and material costs.
Smart Images
Figure CN222649557U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building reinforcement, in particular to a reinforcement structure of a lintel of a staircase opening of an existing building. Background Art
[0002] Many buildings in cities are gradually entering their "middle age" or "old age"; due to the influence of multiple factors such as the environment or surrounding construction activities, many old buildings have many quality problems, and even some components have various cracks, which seriously weakens the overall stability.
[0003] In the prior art, the process for fixing masonry lintels is: first drill holes in the blocks using step-by-step tightening, then reinforce the beams using step-by-step tightening, and then use step-by-step tightening to drill holes and fix the beams. During the reinforcement and removal process, it is not conducive to the protection of the finished product of the masonry wall and damages the quality of the wall masonry, and it increases the cost of material rental, which increases costs and reduces work efficiency. Utility Model Content
[0004] The purpose of the utility model is to overcome the defects of the prior art and provide a reinforcement structure for the lintel of the stair opening of an existing building. By constructing a U-shaped hoop, the lintel is reinforced by the U-shaped hoop, and the pressure strip and the screw are used to increase the excessive shear bearing capacity to reduce the damage to the excessive original structure, thereby ensuring the reinforcement effect of the lintel.
[0005] The technical solution to achieve the above purpose is a reinforcement structure of the lintel of the stair opening of an existing building, comprising:
[0006] A batten provided on opposite sides of the lintel and attached to the bottom of the building floor;
[0007] A plurality of U-shaped hoops are provided on the lintel, and two ends of the U-shaped hoops are provided between the pressure strip and the lintel; and
[0008] A screw rod is passed through the two pressure strips and the lintel, and two ends of the screw rod are threadedly connected with fixing nuts, and the two pressure strips are fastened by screwing the fixing nuts.
[0009] Furthermore, adhesive is filled between the U-shaped hoop and the lintel.
[0010] Furthermore, the pressure strip is formed with a penetration hole corresponding to the screw rod, and the screw rod is penetrated through the penetration hole.
[0011] Furthermore, a plurality of screw rods are provided, and the screw rods are arranged corresponding to the setting positions of the U-shaped hoop.
[0012] Furthermore, the U-shaped hoop is a U-shaped fiber cloth hoop.
[0013] Furthermore, the U-shaped hoop is a flat steel shear hoop.
[0014] Furthermore, the pressure strip is made of steel.
[0015] Furthermore, the length of the U-shaped hoop is matched with the length of the lintel.
[0016] Furthermore, the width of the U-shaped hoop is matched to the width of the lintel.
[0017] Furthermore, the length of the screw rod is matched to the width of the lintel.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] By constructing a U-shaped hoop, the lintel is reinforced by the U-shaped hoop, and the pressure strip and the screw rod are used to increase the excessive shear bearing capacity to reduce the damage to the excessive original structure, thereby ensuring the reinforcement effect of the lintel. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 The utility model is an overall structural diagram of a reinforcement structure of a lintel of a stair opening of an existing building.
[0021] Figure 2 The utility model is a side view of a reinforcement structure of a lintel of a stair opening of an existing building.
[0022] Legend: 1. Floor slab; 2. Screw; 3. Pressure strip; 4. U-shaped hoop; 41. Adhesive; 5. Lintel. DETAILED DESCRIPTION
[0023] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0024] See also Figure 1 and Figure 2 A reinforcement structure for a lintel of a staircase opening of an existing building, comprising: a batten 3 arranged on opposite sides of a lintel 5 and attached to the bottom of a floor slab 1 of the building; a plurality of U-shaped hoops 4 arranged on the lintel 5, and the two ends of the U-shaped hoops 4 are arranged between the batten 3 and the lintel 5; and a screw rod 2 passing through the two battens 3 and the lintel 5, and the two ends of the screw rod 2 are threadedly connected with fixing nuts, and the two battens 3 are fastened by screwing the fixing nuts.
[0025] In the utility model, a preferred embodiment is: the U-shaped hoop 4 is hooped on the lintel 5, the U-shaped hoop 4 is formed with two parallel vertical sections and a connecting section connecting the two vertical sections, the connecting section is fitted with the bottom of the lintel 5, and the two vertical sections are respectively fitted with the sides of the lintel 5, and then the pressure strip 3 and the screw rod 2 are installed, the pressure strip 3 presses the vertical sections to fix the vertical sections, and is fixed by the screw rod 2 and the nut threadedly connected to the screw rod 2, so as to prevent the U-shaped hoop 4 from falling off the lintel 5. Preferably, the screw rod 2 is A12@150mm, and the two ends of the screw rod 2 pass through the lintel 5 and the pressure strip 3.
[0026] Furthermore, adhesive glue 41 is filled between the U-shaped hoop 4 and the lintel 5. The adhesive glue 41 is used to prevent the U-shaped hoop 4 from falling off the lintel 5.
[0027] Furthermore, the pressure strip 3 is formed with a penetration hole corresponding to the screw rod 2, and the screw rod 2 is penetrated through the penetration hole.
[0028] Further, the screw rod 2 is provided with a plurality of screw rods, and the screw rods 2 are provided corresponding to the provided positions of the U-shaped hoops 4. Preferably, the screw rod 2 can be provided between two adjacent U-shaped hoops 4, or can pass through the U-shaped hoops 4 to fix the U-shaped hoops 4.
[0029] Further, the U-shaped hoop 4 is a U-shaped fiber cloth hoop. Preferably, when the U-shaped hoop 4 is a U-shaped fiber cloth hoop, a carbon fiber adhesive 41 is poured between the lintel 5 and the U-shaped fiber cloth hoop.
[0030] Further, the U-shaped hoop 4 is a flat steel shear hoop. Preferably, when the U-shaped hoop 4 is a flat steel shear hoop, an adhesive is poured between the lintel 5 and the flat steel shear hoop.
[0031] Furthermore, the pressure strip is made of steel.
[0032] Furthermore, the length of the U-shaped hoop 4 is adapted to the length of the lintel 5 .
[0033] Furthermore, the width of the U-shaped hoop 4 is adapted to the width of the lintel 5 .
[0034] Furthermore, the length of the screw rod 2 is matched to the width of the lintel 5 .
[0035] The following is a description of the use of the utility model of a reinforcement structure for a lintel at a stair opening of an existing building.
[0036] The U-shaped hoop 4 is hooped on the lintel 5, and the U-shaped hoop 4 is formed with two parallel vertical sections and a connecting section connecting the two vertical sections. The connecting section is fitted with the bottom of the lintel 5, and the two vertical sections are respectively fitted with the sides of the lintel 5. Then the pressure strip 3 and the screw rod 2 are installed. The pressure strip 3 presses the vertical sections to fix the vertical sections, and is fixed by the screw rod 2 and the nut threadedly connected to the screw rod 2, so as to prevent the U-shaped hoop 4 from falling off the lintel 5. Preferably, the screw rod 2 is A12@150mm, and the two ends of the screw rod 2 pass through the lintel 5 and the pressure strip 3.
[0037] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the scope of protection of the utility model shall be defined by the scope of the attached claims.
Claims
1. A reinforcement structure for the lintel of a staircase opening of an existing building, characterized in that: include: A batten provided on opposite sides of the lintel and attached to the bottom of the building floor; A plurality of U-shaped hoops are provided on the lintel, and two ends of the U-shaped hoops are provided between the pressure strip and the lintel; and A screw rod is passed through the two pressure strips and the lintel, and two ends of the screw rod are threadedly connected with fixing nuts, and the two pressure strips are fastened by screwing the fixing nuts.
2. The reinforcement structure of the staircase lintel of an existing building according to claim 1 is characterized in that: Adhesive glue is filled between the U-shaped hoop and the lintel.
3. The reinforcement structure of the staircase lintel of an existing building according to claim 1 is characterized in that: The pressure strip is formed with a penetration hole corresponding to the screw rod, and the screw rod is penetrated through the penetration hole.
4. The reinforcement structure of the staircase opening lintel of an existing building according to claim 1 is characterized by: There are multiple screw rods, and the screw rods are arranged corresponding to the arrangement positions of the U-shaped hoop.
5. The reinforcement structure of the staircase lintel of an existing building according to claim 1 is characterized by: The U-shaped hoop is a U-shaped fiber cloth hoop.
6. The reinforcement structure of the staircase lintel of an existing building according to claim 1, characterized in that: The U-shaped hoop is a flat steel shear hoop.
7. The reinforcement structure of the staircase lintel of an existing building according to claim 1 is characterized by: The bead is made of steel.
8. The reinforcement structure of the staircase lintel of an existing building according to claim 1 is characterized by: The length of the U-shaped hoop is matched with the length of the lintel.
9. The reinforcement structure of the staircase lintel of an existing building according to claim 1, characterized in that: The width of the U-shaped hoop is matched to the width of the lintel.
10. The reinforcement structure of the staircase lintel of an existing building according to claim 1, characterized in that: The length of the screw rod is matched to the width of the lintel.