Building reinforcing structure and reinforcing method thereof

Abstract

The invention relates to the technical field of building reinforcement, in particular to a building reinforcement structure which comprises a positioning component, a metal net, a concrete injection molding layer and a pouring mold, a building column is arranged on the inner side of the positioning component, a carbon fiber hanging net is arranged on the outer side of the building column, and the positioning component comprises a positioning frame. The pouring mold comprises a positioning frame, a fixing screw rod is arranged at the outer end of the positioning frame, fixing nuts are installed at the two ends of the fixing screw rod, the pouring mold comprises a mold plate, a clamping frame is arranged on the outer side of the mold plate, and a clamping block is arranged on the inner side of the clamping frame. The outer side of the building column body is wrapped with the carbon fiber hanging net, the firmness of adhesion of the reinforcing structure and the upper mounting face of the building column body is improved, the concrete injection molding layer is supported through the positioning component and the metal net, the supporting force of the concrete injection molding layer is improved, formworks are connected through the clamping and fixing frame and the clamping blocks, and the convenience of formwork assembly and disassembly is improved.

Description

Technical Field

[0001] The invention relates to the technical field of building reinforcement, in particular to a building reinforcement structure and a reinforcement method thereof. Background Art

[0002] Building reinforcement is the use of carbon fiber, bonded steel, and high-pressure grouting to strengthen buildings. This technology is widely used in design changes, adding beams, columns, cantilever beams, slabs and other reinforcement and change projects. The building reinforcement structure is based on the original building and reinforces the original building.

[0003] A Chinese patent discloses a building reinforcement structure and a reinforcement method thereof. (Authorization announcement number CN113914648B). The patented technology has the effect of improving the reinforcement effect of the column and ensuring the safety performance of the building. However, the above-mentioned building reinforcement structure uses angle steel and reinforcement plates to reinforce the column. The tightness of the connection between the angle steel, reinforcement plate and column is low, which is not conducive to the firmness of the reinforcement structure and affects the reinforcement effect of the building. The angle steel and reinforcement plate are completely fixed by screws. The screws are oxidized and there is a slip problem, which is not conducive to the service life of the reinforcement structure. Therefore, those skilled in the art provide a building reinforcement structure and a reinforcement method thereof to solve the problems raised in the above-mentioned background technology. Summary of the invention

[0004] The object of the present invention is to provide a building reinforcement structure and a reinforcement method thereof to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a building reinforcement structure, comprising a positioning member, a metal mesh, a concrete injection layer and a casting mold, wherein the metal mesh is located at the outer side of the positioning member, the concrete injection layer is located at the outer side of the metal mesh, and the casting mold is located at the outer side of the concrete injection layer. A building column is arranged on the inner side of the positioning member, and a carbon fiber hanging net is arranged on the outer side of the building column. The positioning member comprises a positioning frame, a fixing screw is arranged at the outer end of the positioning frame, and fixing nuts are installed at both ends of the fixing screw. The casting mold comprises a template, a fixing frame is arranged on the outer side of the template, and a clamping block is arranged on the inner side of the fixing frame.

[0006] As a further solution of the present invention: fixing holes are provided at the outer sides of the carbon fiber hanging net and the building column, expansion tubes are provided inside the fixing holes, and fastening screws are installed inside the expansion tubes.

[0007] As a further solution of the present invention: the fixing nut is located at an outer position of the positioning frame, and the positioning frame is fixed to the outer position of the building column through a fixing screw and a fixing nut.

[0008] As a further solution of the present invention: the outer end of the clamping block slides at the inner position of the clamping frame, and the template is installed at the outer position of the concrete injection layer through the clamping frame and the clamping block.

[0009] As a further solution of the present invention: the front end of the fastening screw is located at the outer side of the metal mesh, and the rear end of the fastening screw is fixed to the inner side of the fixing hole through an expansion tube.

[0010] A reinforcement method for a building reinforcement structure: the steps are as follows: S1. Remove the beautification layer on the outside of the building column, remove the powdered concrete, grind the oxide layer on the outside of the building column, use a vacuum cleaner to clean the dust on the outside of the building column, spray water on the outside of the building column to moisten it, and after drying, apply ethylene acetate copolymer glue on the outside of the building column, adhere the carbon fiber mesh to the outside of the building column, and solidify the ethylene acetate copolymer glue to fix the carbon fiber mesh to the outside of the building column; S2. According to the outer diameter of the expansion tube, take out a drill bit that matches the outer diameter of the expansion tube, use the drill bit to open a fixing hole on the outside of the building column and the carbon fiber mesh, insert the expansion tube into the fixing hole, and clean the dust on the outside of the carbon fiber mesh; S3, clamp the positioning frame to the outside of the building column, rotate the fixing nut on the outer end of the fixing screw, press the fixing nut to the outside of the positioning frame, fix the positioning frame to the outside of the building column, rotate the fixing nut on the outer end of the fixing screw, adjust the tightness of the positioning frame on the building column, and complete the installation of the positioning member; S4, the metal mesh is wrapped around the outside of the positioning member, the rear end of the fastening screw passes through the metal mesh and turns into the inside of the expansion tube, the rear end of the fastening screw opens the expansion tube, fixes the expansion tube to the inside of the fixing hole, and fixes the metal mesh to the outside of the positioning member through the fastening screw; S5. Wrap the template to the outside of the metal mesh, slide the outer end of the clamping block into the clamping frame to fix two adjacent templates, and fix the lower end of the template to the ground; S6. Prepare the mortar required for the concrete injection layer, pour the mortar into the inner side of the formwork, and cover the positioning components and the metal mesh with the mortar; S7, after the concrete injection layer solidifies, the block slides out of the clamping frame, the formwork is disassembled, a plastic film is wrapped around the outside of the concrete injection layer, and watering and curing are carried out for 5 to 7 days. After watering and curing, it is air-dried for 3 to 4 days, and a concrete curing agent is sprayed on the outside of the concrete injection layer; S8. Check the flatness of the outer side of the concrete injection layer, cut off the protrusions on the outer side of the concrete injection layer, grind the outer side of the concrete injection layer, level it with leveling putty, and after the leveling putty solidifies, perform sandblasting for beautification.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The building reinforcement structure of the present invention wraps the outer side of the building column with a carbon fiber hanging net, thereby improving the adhesion firmness between the reinforcement structure and the installation surface on the building column, improving the firmness of the connection between the subsequent concrete injection layer and the building column, improving the reinforcement effect of the building, supporting the concrete injection layer with a positioning member and a metal net, improving the supporting force of the concrete injection layer, and improving the stability of the building reinforcement structure; The formwork is connected by means of a clamping frame and a clamping block to improve the convenience of assembly and disassembly of the formwork. The positioning component and the metal mesh are wrapped by a concrete injection layer to position the positioning component and the metal mesh, thereby preventing the fixing screw and the fixing nut from slipping, reducing the oxidation rate of the reinforced structure, and increasing the service life of the reinforced structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a building reinforcement structure; Figure 2 It is a schematic diagram of the dissected structure of a building reinforcement structure; Figure 3 It is a structural schematic diagram of a positioning component in a building reinforcement structure; Figure 4 It is a structural schematic diagram of a casting mold in a building reinforcement structure; Figure 5 A building reinforcement structure Figure 2 Schematic diagram of the structure of part A.

[0013] In the figure: 1. Positioning member; 2. Metal mesh; 3. Concrete injection layer; 4. Casting mold; 5. Building column; 6. Carbon fiber hanging net; 7. Positioning frame; 8. Fixing screw; 9. Fixing nut; 10. Formwork; 11. Fixing frame; 12. Block; 13. Fixing hole; 14. Expansion tube; 15. Fastening screw. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figures 1 to 5In an embodiment of the present invention, a building reinforcement structure includes a positioning member 1, a metal mesh 2, a concrete injection layer 3 and a casting mold 4, wherein the metal mesh 2 is located at an outer position of the positioning member 1, the concrete injection layer 3 is located at an outer position of the metal mesh 2, and the casting mold 4 is located at an outer position of the concrete injection layer 3. A building column 5 is arranged on the inner side of the positioning member 1, and a carbon fiber hanging net 6 is arranged on the outer side of the building column 5. The positioning member 1 includes a positioning frame 7, a fixing screw 8 is arranged at the outer end position of the positioning frame 7, and fixing nuts 9 are installed at both ends of the fixing screw 8. The casting mold 4 includes a template 10, and a clamping frame 11 is arranged on the outer side of the template 10. The clamping frame 11 A clamping block 12 is arranged on the inner side, and a fixing nut 9 is located at the outer side of the positioning frame 7. The positioning frame 7 is fixed to the outer side of the building column 5 by means of a fixing screw 8 and a fixing nut 9. The outer end of the clamping block 12 slides on the inner side of the clamping frame 11. The template 10 is installed at the outer side of the concrete injection layer 3 through the clamping frame 11 and the clamping block 12. The beautification layer on the outer side of the building column 5 is removed, the powdered concrete is removed, the oxide layer on the outer side of the building column 5 is polished, and the dust on the outer side of the building column 5 is cleaned with a vacuum cleaner. Water is sprayed on the outer side of the building column 5 to moisten it. After drying, ethylene acetate copolymer glue is applied to the outer side of the building column 5 to adhere the carbon fiber hanging net 6 to the building column 5. The outer side of the building column 5, the ethylene acetate copolymer glue solidifies to fix the carbon fiber hanging net 6 to the outer side of the building column 5, the positioning frame 7 is clamped to the outer side of the building column 5, the fixing nut 9 is rotated on the outer end of the fixing screw 8, the fixing nut 9 is pressed to the outer side of the positioning frame 7, the positioning frame 7 is fixed to the outer side of the building column 5, the fixing nut 9 is rotated on the outer end of the fixing screw 8, the pressing degree of the positioning frame 7 on the building column 5 is adjusted, and the installation of the positioning member 1 is completed, the metal mesh 2 is wrapped to the outer side of the positioning member 1, the metal mesh 2 is fixed to the outer side of the positioning member 1, the template 10 is wrapped to the outer side of the metal mesh 2, and the outer end of the block 12 slides into the clamping frame 11 to fix two adjacent templates 10, Fix the lower end of the template 10 to the ground, prepare the mortar required for the concrete injection layer 3, pour the mortar on the inner side of the template 10, and cover the positioning component 1 and the metal mesh 2 with the mortar. After the concrete injection layer 3 solidifies, the block 12 slides out of the fixing frame 11, disassemble the template 10, wrap a plastic film around the outside of the concrete injection layer 3, and water it for 5 to 7 days. After watering and curing, air dry it for 3 to 4 days, spray concrete curing agent on the outside of the concrete injection layer 3, check the flatness of the outside of the concrete injection layer 3, cut off the protrusions on the outside of the concrete injection layer 3, grind the outside of the concrete injection layer 3, and perform leveling operation with leveling putty. After the leveling putty solidifies, perform sandblasting for beautification.

[0016] exist Figure 2 , 5In the figure: a fixing hole 13 is provided at the outer side of the carbon fiber hanging net 6 and the building column 5, an expansion tube 14 is provided inside the fixing hole 13, a fastening screw 15 is installed inside the expansion tube 14, the front end of the fastening screw 15 is located at the outer side of the metal mesh 2, and the rear end of the fastening screw 15 is fixed to the inner position of the fixing hole 13 through the expansion tube 14. According to the outer diameter of the expansion tube 14, a drill bit adapted to the outer diameter of the expansion tube 14 is taken out, and the fixing hole 13 is opened on the outer side of the building column 5 and the carbon fiber hanging net 6 by using the drill bit, and the expansion tube 14 is inserted into the fixing hole 13, and the dust on the outer side of the carbon fiber hanging net 6 is swept away, and the positioning member 1 is fixed to the outer side of the building column 5, and the metal mesh 2 is wrapped to the outer side of the positioning member 1, and the rear end of the fastening screw 15 passes through the metal mesh 2 and turns into the inside of the expansion tube 14, and the rear end of the fastening screw 15 opens the expansion tube 14, and the expansion tube 14 is fixed to the inside of the fixing hole 13, and the metal mesh 2 is fixed to the outer side of the positioning member 1 by the fastening screw 15.

[0017] A reinforcement method for a building reinforcement structure, the steps are as follows: S1, remove the beautification layer on the outside of the building column 5, remove the powdered concrete, grind the oxide layer on the outside of the building column 5, use a vacuum cleaner to clean the dust on the outside of the building column 5, spray water on the outside of the building column 5 to moisten it, and after drying, apply ethylene acetate copolymer glue on the outside of the building column 5, adhere the carbon fiber hanging net 6 to the outside of the building column 5, and fix the carbon fiber hanging net 6 to the outside of the building column 5 by solidification of the ethylene acetate copolymer glue; S2. According to the outer diameter of the expansion tube 14, take out a drill bit that matches the outer diameter of the expansion tube 14, use the drill bit to open a fixing hole 13 on the outer side of the building column 5 and the carbon fiber hanging net 6, insert the expansion tube 14 into the fixing hole 13, and clean the dust on the outer side of the carbon fiber hanging net 6; S3, clamp the positioning frame 7 to the outside of the building column 5, rotate the fixing nut 9 on the outer end of the fixing screw 8, press the fixing nut 9 to the outside of the positioning frame 7, fix the positioning frame 7 to the outside of the building column 5, rotate the fixing nut 9 on the outer end of the fixing screw 8, adjust the compression of the positioning frame 7 on the building column 5, and complete the installation of the positioning member 1; S4, the metal mesh 2 is wrapped around the outside of the positioning member 1, the rear end of the fastening screw 15 passes through the metal mesh 2 and turns into the inside of the expansion tube 14, the rear end of the fastening screw 15 opens the expansion tube 14, fixes the expansion tube 14 to the inside of the fixing hole 13, and fixes the metal mesh 2 to the outside of the positioning member 1 through the fastening screw 15; S5, the template 10 is wrapped around the outside of the metal mesh 2, and the outer end of the clamping block 12 slides into the clamping frame 11 to fix two adjacent templates 10, and fix the lower end of the template 10 to the ground; S6, prepare the mortar required for the concrete injection layer 3, pour the mortar into the inner side of the template 10, and cover the positioning member 1 and the metal mesh 2 with the mortar; S7, after the concrete injection layer 3 solidifies, the clamping block 12 slides out of the clamping frame 11, the template 10 is disassembled, a plastic film is wrapped around the outside of the concrete injection layer 3, and watering and curing are carried out for 5 to 7 days. After watering and curing, it is air-dried for 3 to 4 days, and a concrete curing agent is sprayed on the outside of the concrete injection layer 3; S8, detecting the flatness of the outer side of the concrete injection layer 3, cutting off the protrusions on the outer side of the concrete injection layer 3, grinding the outer side of the concrete injection layer 3, leveling the surface with a leveling putty, and performing sandblasting after the leveling putty solidifies.

[0018] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0019] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A building reinforcement structure, comprising a positioning member (1), a metal mesh (2), a concrete injection layer (3) and a casting mold (4), wherein the metal mesh (2) is located at an outer position of the positioning member (1), the concrete injection layer (3) is located at an outer position of the metal mesh (2), and the casting mold (4) is located at an outer position of the concrete injection layer (3), characterized in that: A building column (5) is arranged on the inner side of the positioning member (1), and a carbon fiber hanging net (6) is arranged on the outer side of the building column (5). The positioning member (1) comprises a positioning frame (7), and a fixing screw (8) is arranged at the outer end of the positioning frame (7), and fixing nuts (9) are installed at both ends of the fixing screw (8). The casting mold (4) comprises a template (10), and a clamping frame (11) is arranged on the outer side of the template (10), and a clamping block (12) is arranged on the inner side of the clamping frame (11).

2. A building reinforcement structure according to claim 1, characterized in that: The carbon fiber hanging net (6) and the building column (5) are both provided with fixing holes (13) at outer positions, an expansion tube (14) is arranged inside the fixing hole (13), and a fastening screw (15) is installed inside the expansion tube (14).

3. A building reinforcement structure according to claim 1, characterized in that: The fixing nut (9) is located at an outer position of the positioning frame (7), and the positioning frame (7) is fixed to an outer position of the building column (5) via a fixing screw rod (8) and a fixing nut (9).

4. A building reinforcement structure according to claim 1, characterized in that: The outer end of the clamping block (12) slides at an inner position of the clamping frame (11), and the template (10) is installed at an outer position of the concrete injection layer (3) through the clamping frame (11) and the clamping block (12).

5. A building reinforcement structure according to claim 2, characterized in that: The front end of the fastening screw (15) is located at an outer position of the metal mesh (2), and the rear end of the fastening screw (15) is fixed to an inner position of the fixing hole (13) through an expansion tube (14).

6. A method for reinforcing a building reinforcement structure according to any one of claims 1 to 5, characterized in that: Here are the steps: S1, removing the beautification layer on the outside of the building column (5), removing the powdered concrete, grinding the oxide layer on the outside of the building column (5), using a vacuum cleaner to clean the dust on the outside of the building column (5), spraying water on the outside of the building column (5) to moisten it, and after drying, applying ethylene acetate copolymer glue on the outside of the building column (5), adhering the carbon fiber hanging net (6) to the outside of the building column (5), and solidifying the ethylene acetate copolymer glue to fix the carbon fiber hanging net (6) to the outside of the building column (5); S2, according to the outer diameter of the expansion tube (14), take out a drill bit that matches the outer diameter of the expansion tube (14), use the drill bit to open a fixing hole (13) on the outer side of the building column (5) and the carbon fiber hanging net (6), insert the expansion tube (14) into the fixing hole (13), and clean the dust on the outer side of the carbon fiber hanging net (6); S3, clamping the positioning frame (7) to the outside of the building column (5), rotating the fixing nut (9) on the outer end of the fixing screw (8), pressing the fixing nut (9) to the outside of the positioning frame (7), fixing the positioning frame (7) to the outside of the building column (5), rotating the fixing nut (9) on the outer end of the fixing screw (8), adjusting the pressing degree of the positioning frame (7) on the building column (5), and completing the installation of the positioning member (1); S4, the metal mesh (2) is wrapped around the outside of the positioning member (1), the rear end of the fastening screw (15) passes through the metal mesh (2) and turns into the inside of the expansion tube (14), the rear end of the fastening screw (15) opens the expansion tube (14), and the expansion tube (14) is fixed to the inside of the fixing hole (13), and the metal mesh (2) is fixed to the outside of the positioning member (1) by the fastening screw (15); S5, the template (10) is wrapped around the outside of the metal mesh (2), and the outer end of the clamping block (12) is slid into the clamping frame (11) to fix two adjacent templates (10), and the lower end of the template (10) is fixed to the ground; S6, preparing the mortar required for the concrete injection layer (3), pouring the mortar onto the inner side of the formwork (10), and covering the positioning member (1) and the metal mesh (2) with the mortar; S7, after the concrete injection layer (3) solidifies, the clamping block (12) slides out of the clamping frame (11), the template (10) is disassembled, a plastic film is wrapped around the outer side of the concrete injection layer (3), and watering and curing are carried out for 5 to 7 days. After watering and curing, the concrete is air-dried for 3 to 4 days, and a concrete curing agent is sprayed on the outer side of the concrete injection layer (3); S8, inspecting the flatness of the outer side of the concrete injection layer (3), cutting off the protrusions on the outer side of the concrete injection layer (3), grinding the outer side of the concrete injection layer (3), performing a leveling operation using a leveling putty, and performing sandblasting beautification after the leveling putty solidifies.

Images