Reinforcing structure for intersection of brick cross wall and prefabricated hollow roof panel

Abstract

The utility model relates to the technical field of building construction, in particular to a brick cross wall and prefabricated hollow roof board intersection reinforcing structure which comprises an existing wall body and an existing roof board, the existing wall body is arranged at the lower end of the existing roof board, a hollow area is arranged in the middle of the existing roof board, the hollow area is vertically arranged at the upper end of the existing wall body, and the prefabricated hollow roof board is arranged in the hollow area. A plurality of constructional steel bars are arranged on the existing wall body, the constructional steel bars are arranged in a crossed mode, the constructional steel bars are fixedly connected through tie bars, meanwhile, the existing top plate is fixedly connected with the constructional steel bars through opposite-penetrating bolts, and the opposite-penetrating bolts penetrate through the hollow area and the top of the existing top plate.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a reinforcing structure for the intersection of a brick-built transverse wall and a prefabricated hollow roof panel. Background Art

[0002] With the rapid development of social modernization, the brick wall structures of many old houses are affected by various factors such as the natural environment and the use environment, showing defects such as insufficient bearing capacity and excessive deformation to varying degrees. They are difficult to meet the needs of current production and living conditions and need to be reinforced.

[0003] When reinforcing a brick wall, it is necessary to tie the reinforcing steel bars to the roof panel. Since the roof panel is a prefabricated hollow top plate, when the steel bars are planted to the hollow position, they are not firmly fixed, which will result in the steel bars at the top of the wall having no fulcrum and posing the risk of displacement. Utility Model Content

[0004] The utility model aims to provide a reinforcement structure for the intersection of a brick-built transverse wall and a prefabricated hollow roof panel, so as to solve the problems raised in the above-mentioned background technology.

[0005] The technical solution of the utility model is: a reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel, comprising an existing wall body and an existing top plate, wherein the existing wall body is arranged at the lower end of the existing top plate, a hollow area is arranged in the middle of the existing top plate, and the hollow area is vertically arranged at the upper end of the existing wall body, a plurality of structural steel bars are arranged on the existing wall body, the plurality of structural steel bars are arranged crosswise with each other, the plurality of structural steel bars are fixedly connected by tie bars, and at the same time, the existing top plate is fixedly connected to the structural steel bars by through bolts, and the through bolts penetrate the hollow area and the top of the existing top plate.

[0006] Furthermore, a metal sleeve is provided in the middle of the hollow area, and the metal sleeve passes through the existing top plate. At the same time, an extended sleeve is provided at the lower end of the metal sleeve, and the extended sleeve is fixedly connected to the structural steel bar.

[0007] Furthermore, a steel pad is provided on the top of the existing top plate, and the lower end of the steel pad is fixedly connected to the upper end of the metal sleeve, and a through hole is opened in the middle of the steel pad, and the through hole and the tube hole of the metal sleeve are located on the same vertical line.

[0008] Furthermore, the through bolt includes a U-shaped anchor and a bolt member, wherein the bolt member is fixed at the middle of the lower end of the U-shaped anchor, and after the bolt member passes through the through hole and the barrel hole, it is threadedly connected with a nut, and the nut is arranged at the upper end of the steel base plate.

[0009] Furthermore, the bolt member includes a round steel end and a threaded end, the threaded end is arranged at one end of the round steel end, the U-shaped anchor is arranged at the other end of the round steel end, and the threaded end is threadedly connected to the nut.

[0010] Furthermore, the round steel end is arranged at the lower end of the lengthened sleeve, and the threaded end is sleeved inside the metal sleeve.

[0011] The utility model provides a reinforcement structure for the intersection of a brick-built cross wall and a prefabricated hollow roof panel through improvement, which has the following improvements and advantages compared with the prior art:

[0012] Firstly, the utility model skillfully connects the wall and the top plate by means of pre-embedded metal sleeves and extended sleeves, thereby not only strengthening the structure but also reducing the damage to the existing structure. At the same time, the metal sleeves and extended sleeves together with the steel pad can form a reliable mechanical transmission path, so that the newly added structural steel bars and the load of the existing wall can be effectively transmitted to the top plate through the path, thereby ensuring the coordinated work between the structures;

[0013] Second, the through bolt of the utility model adopts a combination of a U-shaped anchor and a bolt, which is convenient for on-site construction installation and precise adjustment, and the threaded connection method provides adjustability and high construction efficiency;

[0014] Thirdly, the utility model adds structural steel meshes to the existing wall and crosses them with each other, thereby improving the integrity, shear resistance and bending resistance of the wall, enhancing the bearing capacity and stability of the wall, and thus avoiding safety hazards caused by insufficient bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a structural schematic diagram of the reinforcement structure at the intersection of the brick-built transverse wall and the prefabricated hollow roof panel of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the through bolt of the utility model;

[0018] Description of reference numerals:

[0019] 1. Steel pad; 2. Hollow area; 3. Metal sleeve; 4. Structural steel bar; 5. Existing wall; 6. Nut; 7. Existing top plate; 8. Extended sleeve; 9. Through bolt; 901. U-shaped anchor; 902. Round steel end; 903. Threaded end; 904. Bolt; 10. Tie bar. DETAILED DESCRIPTION

[0020] 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.

[0021] It should be noted that, in the description of the present invention, the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" 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 simplifying the description, 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.

[0022] Furthermore, it should be understood that for the sake of ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.

[0023] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not require further detailed discussion and description in the description of the subsequent drawings.

[0024] refer to Figure 1 and Figure 2 , this embodiment provides a reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel, which reduces the opening and damage to the original brick-built load-bearing wall structure, and the wall reinforcement steel bars are tied and fixed while ensuring that the top reinforcement steel bars are firmly fixed. In this embodiment, the reinforcement structure includes structural steel bars 4, an existing wall 5, an existing top plate 7 and through bolts 9. The existing wall 5 is arranged at the lower end of the existing top plate 7, and a hollow area 2 is arranged in the middle of the existing top plate 7, and the hollow area 2 is vertically arranged at the upper end of the existing wall 5. Specifically, the wall thickness of the existing wall 5 in this embodiment is 240mm, and the brick strength grade is M10. Due to insufficient bearing capacity, reinforcement treatment is required. A plurality of structural steel bars 4 are arranged on the existing wall 5. It is worth noting that the structural steel bars 4 are additional reinforcements for the reinforcement of the existing wall 5. Further, the plurality of structural steel bars 4 are arranged crosswise with each other, and the plurality of structural steel bars 4 are fixedly connected by tie bars 10. In this embodiment, a φ6@300 spot-welded steel mesh is used, and tie bars 10 are provided every 1200 mm, and the tie bars 10 are arranged in a plum blossom shape.

[0025] In this embodiment, a metal sleeve 3 is provided in the middle of the hollow area 2, and the metal sleeve 3 penetrates the existing top plate 7, and an extension sleeve 8 is provided at the lower end of the metal sleeve 3, and the extension sleeve 8 is fixedly connected to the structural reinforcement 4. At the same time, a steel pad 1 is provided on the top of the existing top plate 7, and the steel pad 1 and the metal sleeve 3 are arranged one by one, and the lower end of the steel pad 1 and the upper end of the metal sleeve 3 are fixedly connected, and a through hole is opened in the middle of the steel pad 1, and the through hole and the barrel hole of the metal sleeve 3 are located on the same vertical line.

[0026] Further, the existing top plate 7 is fixedly connected with the structural reinforcement 4 by the through bolts 9, and the through bolts 9 penetrate the hollow area 2 and the top of the existing top plate 7. Specifically, the through bolts 9 include a U-shaped anchor 901 and a bolt member 904. The bolt member 904 is fixed to the middle of the lower end of the U-shaped anchor 901, and after the bolt member 904 penetrates the through hole and the barrel hole, it is threadedly connected with the nut 6, and the nut 6 is arranged at the upper end of the steel pad 1. Further, the bolt member 904 includes a round steel end 902 and a threaded end 903. The threaded end 903 is arranged at one end of the round steel end 902, the U-shaped anchor 901 is arranged at the other end of the round steel end 902, and the round steel end 902 is arranged at the lower end of the extension sleeve 8, the threaded end 903 is sleeved inside the metal sleeve 3, and the threaded end 903 is threadedly connected with the nut 6.

[0027] In this embodiment, the specific construction process of the reinforcement structure is as follows:

[0028] Step 1: According to the design requirements, φ6@300 spot-welded steel mesh is arranged and welded as structural steel bars 4 on the existing wall 5 at preset intervals. These structural steel bars 4 are arranged crosswise to enhance the integrity and force-bearing performance of the existing wall 5. At the same time, a metal sleeve 3 is embedded in the middle of the hollow area 2 of the existing top plate 7, and its position is accurately vertical, and the lower end of the metal sleeve 3 is connected to the extension sleeve 8, that is, it is fixedly connected to the structural steel bars 4 on the existing wall 5 through the extension sleeve 8.

[0029] Step 2: Lay a steel pad 1 on the top of the existing top plate 7, wherein holes corresponding to the metal sleeve 3 are pre-opened on the steel pad 1, and the lower end of the steel pad 1 is fixedly connected to the upper end of the metal sleeve 3 by welding, thereby forming a stable force transmission structure.

[0030] Step 3: In the hollow area 2 of the existing top plate 7, the U-shaped anchor 901 is used in conjunction with the bolt 904 to achieve the connection between the existing top plate 7 and the structural steel bar 4. Specifically, the round steel end 902 of the bolt 904 is passed through the lengthened sleeve 8 and welded to the structural steel bar 4, and the threaded end 903 is passed through the through hole of the steel pad 1 and the barrel hole of the metal sleeve 3, and then screwed into the nut 6 for tightening, thereby completing the connection and fixation between the existing wall 5 and the existing top plate 7 by the through bolt 9.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforcement structure for the intersection of a brick-built transverse wall and a prefabricated hollow roof panel, comprising an existing wall (5) and an existing roof (7), wherein the existing wall (5) is arranged at the lower end of the existing roof (7), characterized in that: A hollow area (2) is provided in the middle of the existing top plate (7), and the hollow area (2) is vertically arranged at the upper end of the existing wall (5). A plurality of structural steel bars (4) are arranged on the existing wall (5), and the plurality of structural steel bars (4) are arranged crosswise with each other. The plurality of structural steel bars (4) are fixedly connected by tie bars (10). At the same time, the existing top plate (7) is fixedly connected to the structural steel bars (4) by through bolts (9), and the through bolts (9) penetrate the hollow area (2) and the top of the existing top plate (7).

2. The reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel according to claim 1 is characterized in that: A metal sleeve (3) is provided in the middle of the hollow area (2), and the metal sleeve (3) passes through the existing top plate (7). At the same time, an extended sleeve (8) is provided at the lower end of the metal sleeve (3), and the extended sleeve (8) is fixedly connected to the structural steel bar (4).

3. A reinforcement structure for the intersection of a brick-built transverse wall and a prefabricated hollow roof panel according to claim 1 or 2, characterized in that: A steel pad (1) is arranged on the top of the existing top plate (7), and the lower end of the steel pad (1) is fixedly connected to the upper end of the metal sleeve (3), and a through hole is opened in the middle of the steel pad (1), and the through hole and the tube hole of the metal sleeve (3) are located on the same vertical line.

4. The reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel according to claim 1 is characterized in that: The through bolt (9) comprises a U-shaped anchor (901) and a bolt member (904), wherein the bolt member (904) is fixed to the middle portion of the lower end of the U-shaped anchor (901), and after the bolt member (904) passes through the through hole and the barrel hole, it is threadedly connected with a nut (6), and the nut (6) is arranged at the upper end of the steel pad (1).

5. The reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel according to claim 4 is characterized in that: The bolt member (904) comprises a round steel end (902) and a threaded end (903), wherein the threaded end (903) is arranged at one end of the round steel end (902), and the U-shaped anchor member (901) is arranged at the other end of the round steel end (902), and the threaded end (903) is threadedly connected to the nut (6).

6. The reinforcement structure at the intersection of a brick-built transverse wall and a prefabricated hollow roof panel according to claim 5, characterized in that: The round steel end (902) is arranged at the lower end of the extension sleeve (8), and the threaded end (903) is sleeved inside the metal sleeve (3).

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