Connecting structure of existing brick masonry wall body and newly-added brick masonry wall body

Abstract

The utility model discloses an existing brick masonry wall body and newly added brick masonry wall body connecting structure which comprises an existing brick masonry wall body, a newly added brick masonry wall body and a reinforced concrete constructional column, constructional steel bars are implanted into the existing brick masonry wall body in a drilling mode, a plurality of groups of constructional steel bars are implanted into the existing brick masonry wall body, and the constructional steel bars are embedded into the reinforced concrete constructional column. A newly-added brick masonry wall body is constructed on the side where the constructional steel bars are implanted, the other ends of the constructional steel bars are poured into the newly-added brick masonry wall body, the reinforced concrete constructional column is arranged between the existing brick masonry wall body and the newly-added brick masonry wall body, and the middle portions of the constructional steel bars are poured into the reinforced concrete constructional column; the thickness of the existing brick masonry wall is 240mm, the strength grade of original bricks used by the existing brick masonry wall is M10, and the device solves the problems that an existing brick masonry wall is poor in anti-seismic performance and has potential safety hazards.

Description

Technical Field

[0001] The utility model belongs to the technical direction of brick masonry wall connection structure, and specifically relates to a connection structure between an existing brick masonry wall and a newly added brick masonry wall. Background Art

[0002] With the progress of society and the improvement of people's living standards, many existing buildings with masonry walls can no longer meet people's use needs. In earthquakes, buildings with masonry walls with poor seismic resistance threaten people's lives and property safety. This phenomenon has become a problem that needs to be solved urgently by people in this field. Therefore, the connection structure between the existing brick masonry wall and the newly added brick masonry wall is designed to transform and strengthen the connection between the existing brick masonry wall and the wall of the newly built building, improve the connection strength, and has a short construction period, convenient construction, and low cost. Utility Model Content

[0003] The purpose of the utility model is to solve the problems raised in the above-mentioned background technology by providing a connection structure between an existing brick masonry wall and a newly added brick masonry wall in an existing device.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a connection structure between an existing brick masonry wall and a newly added brick masonry wall, comprising an existing brick masonry wall, a newly added brick masonry wall and a reinforced concrete structural column, wherein holes are drilled in the existing brick masonry wall to implant structural steel bars, wherein the structural steel bars are implanted in several groups, and a newly added brick masonry wall is constructed on one side where the structural steel bars are implanted, and the other end of the structural steel bars is cast inside the newly added brick masonry wall, and the reinforced concrete structural column is arranged between the existing brick masonry wall and the newly added brick masonry wall, and the middle part of the structural steel bars is cast inside the reinforced concrete structural column.

[0005] The utility model further illustrates that the thickness of the existing brick masonry wall is 240 mm, and the strength grade of the original bricks used in the existing brick masonry wall is M10.

[0006] The utility model further illustrates that the depth of the structural steel bar implanted into the existing brick masonry wall is 150 mm, and the specification of the structural steel bar is C 6.

[0007] The utility model further illustrates that the vertical spacing of the structural steel bars is 330 mm.

[0008] The utility model further illustrates that the thickness of the newly added brick masonry wall is 240 mm, and the masonry material used in the newly added brick masonry wall is autoclaved fly ash brick, and the brick strength grade of the autoclaved fly ash brick is Mu10.

[0009] The utility model further describes that the longitudinal steel bars used in the reinforced concrete structural column are 4C12, the stirrups are C6@200, and the concrete strength grade is C25.

[0010] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model, by providing structural steel bars and reinforced concrete structural columns, can form an integral structure without destroying the original structural wall, thereby improving the compressive bearing capacity of the masonry wall, and has a simple structure and convenient construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] 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:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the construction nodes of the utility model;

[0014] In the figure: 1. Existing brick masonry wall; 2. Structural steel bars; 3. Newly added brick masonry wall; 4. Reinforced concrete structural columns. DETAILED DESCRIPTION

[0015] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2 The utility model provides a technical solution: a connection structure of an existing brick masonry wall and a newly added brick masonry wall, comprising an existing brick masonry wall 1, a newly added brick masonry wall 3 and a reinforced concrete structural column 4, the existing brick masonry wall 1 is drilled with structural steel bars 2, several groups of structural steel bars 2 are implanted, and the drilled holes are filled with Class A anchor glue so that the newly implanted structural steel bars 2 are fully connected to the existing brick masonry wall 1, a newly added brick masonry wall 3 is constructed on one side of the implanted structural steel bars 2, the other end of the structural steel bars 2 is cast inside the newly added brick masonry wall 3, the reinforced concrete structural column 4 is arranged between the existing brick masonry wall 1 and the newly added brick masonry wall 3, and the middle part of the structural steel bars 2 is cast in the reinforced concrete structural column 4, thereby forming an overall structure.

[0017] The thickness of the existing brick masonry wall 1 is 240 mm, and the strength grade of the original bricks used in the existing brick masonry wall 1 is M10.

[0018] The depth of the structural reinforcement 2 implanted into the existing brick masonry wall 1 is 150 mm, the specification of the structural reinforcement 2 is C 6, and the vertical spacing of the structural reinforcement 2 is 330 mm.

[0019] The thickness of the newly added brick masonry wall 3 is 240 mm. The masonry material used in the newly added brick masonry wall (3) is autoclaved fly ash brick. The brick strength grade of the autoclaved fly ash brick is Mu10, and the masonry mortar grade is M10.

[0020] The longitudinal steel bars used in the reinforced concrete structural column 4 are 4C12, the stirrups are C6@200, and the concrete strength grade is C25. The top of the reinforced concrete structural column 4 is cast within a height range of 120 mm using non-shrinkage grouting material.

[0021] Working principle: Drill holes in the existing brick masonry wall 1 to implant structural steel bars 2, with an implant depth of 150mm, and implant one every 330mm along the height, and fill the drilled holes with Class A anchoring glue to fully connect the newly implanted structural steel bars 2 with the existing brick masonry wall 1. After the implantation of the structural steel bars 2, a pull-out test is carried out. After the pull-out test is qualified, on one side of the implanted structural steel bars 2, autoclaved fly ash bricks with a brick strength grade of Mu10 and masonry mortar with a grade of M10 are used to build a new brick masonry wall 3, and the other end of the structural steel bars 2 is cast on the newly added Inside the brick masonry wall 3, the reinforced concrete structural column 4 is arranged between the existing brick masonry wall 1 and the newly added brick masonry wall 3. The longitudinal steel bars used in the reinforced concrete structural column 4 are 4C12, the stirrups are C6@200, and the concrete strength grade is C25. The top 120mm height range of the reinforced concrete structural column 4 is cast with non-shrinkage grouting material, and the middle part of the structural steel bar 2 is cast in the reinforced concrete structural column 4, thereby forming an integral structure without destroying the original structural wall, thereby improving the compressive bearing capacity of the masonry wall, and the structure is simple and the construction is convenient.

[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] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A connection structure of an existing brick masonry wall and a newly added brick masonry wall, comprising an existing brick masonry wall (1), a newly added brick masonry wall (3) and a reinforced concrete structural column (4), characterized in that: The existing brick masonry wall (1) is drilled with structural steel bars (2) to be implanted, and the structural steel bars (2) are implanted in several groups. A newly added brick masonry wall (3) is constructed on the side where the structural steel bars (2) are implanted, and the other end of the structural steel bars (2) is cast inside the newly added brick masonry wall (3). The reinforced concrete structural column (4) is arranged between the existing brick masonry wall (1) and the newly added brick masonry wall (3), and the middle part of the structural steel bars (2) is cast inside the reinforced concrete structural column (4).

2. The connection structure of the existing brick masonry wall and the newly added brick masonry wall according to claim 1, characterized in that: The thickness of the existing brick masonry wall (1) is 240 mm, and the strength grade of the original bricks used in the existing brick masonry wall (1) is M10.

3. The connection structure of the existing brick masonry wall and the newly added brick masonry wall according to claim 2 is characterized in that: The depth of the structural steel bars (2) implanted into the existing brickwork wall (1) is 150 mm, and the specification of the structural steel bars (2) is C6.

4. The connection structure of the existing brick masonry wall and the newly added brick masonry wall according to claim 3 is characterized in that: The vertical spacing between the structural steel bars (2) is 330 mm.

5. The connection structure of the existing brick masonry wall and the newly added brick masonry wall according to claim 4 is characterized in that: The thickness of the newly added brick masonry wall (3) is 240 mm. The masonry material used in the newly added brick masonry wall (3) is autoclaved fly ash bricks, and the brick strength grade of the autoclaved fly ash bricks is Mu10.

6. The connection structure of the existing brick masonry wall and the newly added brick masonry wall according to claim 5, characterized in that: The reinforced concrete structural column (4) uses 4C12 longitudinal steel bars, C6@200 stirrups, and a concrete strength grade of C25.

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