Prefabricated porous floor reinforcing structure of existing building
By using prefabricated porous floor slab reinforcement structures in old buildings, using steel-mixed walls, carbon cloth and anchoring devices, the stability problem of old buildings is solved, and structural reinforcement and stability improvement are achieved.
Patent Information
- Application Number
- CN202420532700.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-19
AI Technical Summary
Old buildings have quality problems due to environmental or surrounding construction activities, and cracks appear in components, which seriously weakens the overall stability.
Prefabricated porous floor slab reinforcement structure, including steel-mixed walls, prefabricated porous floor slabs, carbon cloth at the bottom of the slab, carbon cloth bending anchors, angle steel and anchor bolts. The prefabricated porous floor slabs are fixed between the steel-mixed walls through angle steel and anchor bolts, and carbon cloth bending anchors are provided at the bottom of the slab to enhance fixity.
Without destroying the original structure, the overall stability of the building will be improved, with a simple structure, convenient construction and low cost.
Smart Images

Figure CN222649545U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a prefabricated porous floor slab reinforcement structure 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. Therefore, a prefabricated porous floor reinforcement structure of existing buildings is proposed to solve this problem. Utility Model Content
[0003] Based on the above-mentioned problems existing in the prior art, the purpose of the embodiment of the present application is to provide a prefabricated porous floor reinforcement structure for an existing building, comprising a steel-concrete wall, a prefabricated porous floor, a carbon cloth at the bottom of the floor, a carbon cloth bending anchor, an angle steel and an anchor bolt, wherein the two ends of the prefabricated porous floor are fixed between two steel-concrete walls by angle steels and anchor bolts, the carbon cloth at the bottom of the floor is arranged on the prefabricated porous floor, and the carbon cloth bending anchor is arranged between the steel-concrete wall and the angle steel.
[0004] Furthermore, the bottom carbon cloth includes a longitudinal carbon cloth and a transverse carbon cloth.
[0005] Furthermore, the thickness of the steel-concrete wall is 300 mm, and the strength grade is C30; the thickness of the prefabricated porous floor slab is 120 mm, and the strength grade is C30.
[0006] Furthermore, the bottom carbon cloth adopts the specification of 1T-200@500mm, wherein T represents the number of layers, and @ represents the spacing, that is, a layer of carbon cloth is 200mm wide and the spacing is 400mm.
[0007] Furthermore, the angle steel is of Q235B 40*4mm specification, and the anchor bolt is of M10@200mm specification.
[0008] Furthermore, the space between the carbon cloth at the bottom of the board and the prefabricated porous floor slab is fully brushed with carbon cloth glue.
[0009] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model can improve the overall stability of the building without destroying the original structure, and has a simple structure, convenient construction and low cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The accompanying drawings are used to provide a further understanding 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 present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0011] Figure 1It is a schematic diagram of the plane structure of the utility model;
[0012] Figure 2 It is the reinforcement point diagram of the utility model;
[0013] Among them, the reference numerals in the figure are: 1. steel-concrete wall; 2. prefabricated porous floor slab; 3. carbon cloth at the bottom of the slab; 31. longitudinal carbon cloth; 32. transverse carbon cloth; 4. carbon cloth bending anchoring; 5. angle steel; 6. anchor bolt. DETAILED DESCRIPTION
[0014] Now, the present application will be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the present application in a schematic manner, and therefore only shows the components related to the present application.
[0015] like Figures 1-2 As shown, the present application provides a prefabricated porous floor reinforcement structure of an existing building, including a steel-concrete wall 1, a prefabricated porous floor 2, a carbon cloth at the bottom of the floor 3, a carbon cloth bending anchor 4, an angle steel 5 and an anchor bolt 6, wherein both ends of the prefabricated porous floor 2 are fixed between two steel-concrete walls 1 by the angle steel 5 and the anchor bolt 6, the carbon cloth at the bottom of the floor 3 is arranged on the prefabricated porous floor 2, and the carbon cloth bending anchor 4 is arranged between the steel-concrete wall 1 and the angle steel 5.
[0016] The bottom carbon cloth 3 includes a longitudinal carbon cloth 31 and a transverse carbon cloth 32 .
[0017] The steel-concrete wall 1 is 300 mm thick and has a strength grade of C30, and the prefabricated porous floor slab 2 is 120 mm thick and has a strength grade of C30.
[0018] The bottom carbon cloth 3 adopts the specification of 1T-200@500mm, wherein T represents the number of layers, and @ represents the spacing, that is, a layer of carbon cloth is 200mm wide and the spacing is 400mm.
[0019] The angle steel 5 is of Q235B 40*4mm specification, and the anchor bolt 6 is of M10@200mm specification.
[0020] The space between the carbon cloth 3 at the bottom of the board and the prefabricated porous floor slab 2 is fully brushed with carbon cloth glue.
[0021] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0023] Based on the above ideal embodiments of the present application, the relevant staff can make various changes and modifications without departing from the scope of the present application through the above description. The technical scope of this application is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. Prefabricated porous floor reinforcement structure of existing buildings, characterized by: include: A steel-concrete wall (1), a prefabricated porous floor slab (2), a carbon cloth at the bottom of the slab (3), a carbon cloth bending anchor (4), an angle steel (5) and an anchor bolt (6), wherein both ends of the prefabricated porous floor slab (2) are fixed between two steel-concrete walls (1) by means of the angle steel (5) and the anchor bolt (6), the carbon cloth at the bottom of the slab (3) is arranged on the prefabricated porous floor slab (2), and the carbon cloth bending anchor (4) is arranged between the steel-concrete wall (1) and the angle steel (5).
2. The prefabricated porous floor reinforcement structure of an existing building according to claim 1, characterized in that: The bottom plate carbon cloth (3) comprises a longitudinal carbon cloth (31) and a transverse carbon cloth (32).
3. The prefabricated porous floor reinforcement structure of an existing building according to claim 2, characterized in that: The steel-concrete wall (1) has a thickness of 300 mm and a strength grade of C30, and the prefabricated porous floor slab (2) has a thickness of 120 mm and a strength grade of C30.
4. The prefabricated porous floor reinforcement structure of an existing building according to claim 3, characterized in that: The bottom carbon cloth (3) adopts the specification of 1T-200@500mm.
5. The prefabricated porous floor reinforcement structure of an existing building according to claim 4, characterized in that: The angle steel (5) is of Q235B 40*4mm specification, and the anchor bolt (6) is of M10@200mm specification.
6. The prefabricated porous floor reinforcement structure of an existing building according to claim 5, characterized in that: The space between the bottom carbon cloth (3) and the prefabricated porous floor slab (2) is fully coated with carbon cloth glue.