Replacement and reinforcement structure for cracked masonry bearing wall under window opening

Abstract

The utility model relates to a replacement and reinforcement structure for a cracked masonry bearing wall under a window opening, which comprises a reserved wall body, a wall body and a wall body, and the newly-built masonry bearing wall is arranged in the window opening, and combed joints are formed at the interface of the newly-built masonry bearing wall and the reserved wall body. The combed joint is arranged at the junction of the newly built masonry bearing wall and the existing wall body, so that the connection between the new masonry bearing wall and the old masonry bearing wall is effectively enhanced, the probability that the wall body under the window cracks is reduced, and the bearing capacity of the masonry is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of building structure reinforcement, in particular to a replacement reinforcement structure for a cracked masonry load-bearing wall under a window opening. Background Art

[0002] Nowadays, cracks in existing building masonry due to uneven foundation settlement, shrinkage caused by temperature changes, improper use of building materials and unreasonable building structure are one of the most common quality accidents. Minor cracks in masonry affect the appearance and use function, while serious cracks affect the bearing capacity of masonry and even cause collapse. Cracked masonry load-bearing walls that seriously affect safety often need to be demolished and replaced. The wall under the window is more prone to cracks due to the special stress, and is often a key area that is severely cracked and needs to be demolished and replaced. Utility Model Content

[0003] The embodiment of the utility model provides a replacement reinforcement structure for a cracked masonry load-bearing wall under a window opening, so as to solve the problem in the related art that cracks easily appear on the wall under the window due to the particularity of the force, thus affecting the bearing capacity of the masonry.

[0004] In a first aspect, a replacement and reinforcement structure for a cracked masonry load-bearing wall under a window opening is provided, which comprises: a retained wall provided with a window opening; a newly built masonry load-bearing wall provided in the window opening, wherein a tooth joint is formed at the interface between the newly built masonry load-bearing wall and the retained wall.

[0005] In some embodiments, a connecting piece is provided at the junction of the new masonry load-bearing wall and the retained wall. The connecting piece is arranged horizontally, with one end fixed in the new masonry load-bearing wall and the other end fixed in the retained wall.

[0006] In some embodiments, holes are provided on the new masonry load-bearing wall and the retained wall, and the connecting members are installed in the holes.

[0007] In some embodiments, structural adhesive is injected between the hole and the connecting member.

[0008] In some embodiments, a plurality of the connecting members are provided, and the plurality of connecting members are arranged in parallel and at intervals between the new masonry load-bearing wall and the retained wall.

[0009] In some embodiments, the connecting member is made of steel bars or steel pipes.

[0010] In some embodiments, a reinforced concrete top beam is provided on the top of the newly built masonry load-bearing wall, and both ends of the reinforced concrete top beam extend into the retained wall.

[0011] In some embodiments, structural columns are disposed in the retaining wall, and the structural columns are disposed horizontally and are located above and below the window openings.

[0012] In some embodiments, the structural column is disposed at the lower end of the new masonry load-bearing wall.

[0013] In some embodiments, a ring beam is disposed in the retaining wall, and the ring beam is disposed perpendicular to the structural column.

[0014] The beneficial effects brought by the technical solution provided by the utility model include:

[0015] The embodiment of the utility model provides a replacement and reinforcement structure for a cracked masonry load-bearing wall under a window opening. By arranging a tooth joint at the junction of a new masonry load-bearing wall and an existing wall, the connection between the new and old masonry load-bearing walls is effectively strengthened, the probability of cracks appearing in the wall under the window is reduced, and the bearing capacity of the masonry is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 Elevation diagram of replacement and reinforcement of the wall under the window opening provided by the embodiment of the utility model;

[0018] Figure 2 A cut-away elevation view of the wall under the window opening provided in the embodiment of the utility model;

[0019] Figure 3 A schematic diagram of a new masonry load-bearing wall structure under a window opening provided by an embodiment of the utility model;

[0020] Figure 4 for Figure 3 AA section view in.

[0021] Numbers in the figure:

[0022] 100. Walls to be demolished; 200. Structural columns; 300. Ring beams; 400. Tooth joints; 500. Connectors; 600. New masonry load-bearing walls; 700. Reinforced concrete top beams; 800. Retained walls; 900. Holes. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment 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.

[0024] The embodiment of the utility model provides a replacement reinforcement structure for a cracked masonry load-bearing wall under a window opening, which can solve the problem in the related art that cracks easily appear on the wall under the window due to the particularity of the force, thus affecting the bearing capacity of the masonry.

[0025] See also Figure 1~Figure 4 As shown, a replacement and reinforcement structure of a cracked masonry load-bearing wall under a window opening provided by an embodiment of the utility model comprises: a retained wall 800, which is provided with a window opening; a newly built masonry load-bearing wall 600, which is provided in the window opening, and a tooth joint 400 is formed at the interface between the newly built masonry load-bearing wall 600 and the retained wall 800. In this embodiment, after the wall 100 to be demolished is demolished, the tooth joint 400 is formed along the mortar joint at the interface between the wall 100 to be demolished and the retained wall 800, and then the new masonry load-bearing wall 600 is built. By setting the tooth joint 400 at the interface between the new masonry load-bearing wall 600 and the existing wall, the connection between the new and old masonry load-bearing walls is effectively strengthened, the probability of cracks in the wall under the window is reduced, and the bearing capacity of the masonry is strengthened.

[0026] Among them, the wall 100 to be demolished and the retained wall 800 are cut and separated by a special cutting machine and then manually demolished, which can effectively protect the integrity of the surrounding structure, reduce damage to the surrounding structure, reduce demolition costs, and ensure the safety of the lives of construction workers; after the wall 100 to be demolished is demolished, the periphery of the opening is polished and smoothed, and the junction of the existing masonry load-bearing wall and the masonry load-bearing wall to be demolished is demolished into a horse tooth joint shape along the mortar joint.

[0027] See also Figure 3 As shown, in some embodiments, a connector 500 is provided at the junction of the new masonry load-bearing wall 600 and the retained wall 800. The connector 500 is horizontally arranged, one end of which is fixed in the new masonry load-bearing wall 600, and the other end is fixed in the retained wall 800. In this embodiment, after the new masonry load-bearing wall 600 is built, the connector 500 is provided at the junction of the new masonry load-bearing wall 600 and the retained wall 800, thereby further effectively strengthening the connection between the new and old masonry load-bearing walls and strengthening the bearing capacity of the masonry.

[0028] See also Figure 4As shown, in some embodiments, holes 900 are provided on the new masonry load-bearing wall 600 and the retained wall 800, and the connecting member 500 is installed in the hole 900. In this embodiment, by providing a hole 900 between the new masonry load-bearing wall 600 and the retained wall 800 under the window opening, the connecting member 500 can be installed through the hole 900.

[0029] See also Figure 4 As shown, in some embodiments, structural adhesive is injected between the hole 900 and the connector 500. In this embodiment, after the connector 500 is installed, the hole is filled with special structural adhesive to increase the strength of the structure.

[0030] See also Figure 3 As shown, in some embodiments, a plurality of the connecting members 500 are provided, and the plurality of the connecting members 500 are arranged in parallel and spaced apart between the new masonry load-bearing wall 600 and the retained wall 800. The spacing and quantity of the connecting members 500 are determined according to the upper load of the wall, so as to ensure the connection strength between the new and old masonry load-bearing walls.

[0031] See also Figure 3 As shown, in some embodiments, the connecting member 500 is made of steel bars or steel pipes. The connecting member 500 may also be made of other structures, such as anchor rods.

[0032] See also Figure 4 As shown, in some embodiments, a reinforced concrete top beam 700 is provided on the top of the newly built masonry load-bearing wall 600, and both ends of the reinforced concrete top beam 700 extend into the retained wall 800. In this embodiment, the newly built masonry load-bearing wall 600 is built with ordinary bricks, and a reinforced concrete top beam 700 is provided on the top, and the length of both ends of the reinforced concrete top beam 700 extending into the retained wall 800 is not less than the specification requirements, thereby ensuring the connection strength of the new and old masonry load-bearing walls and strengthening the bearing capacity of the masonry.

[0033] See also Figure 2 As shown, in some embodiments, structural columns 200 are provided in the retained wall 800. The structural columns 200 are arranged horizontally and are located above and below the window openings. In this embodiment, during the cutting and demolition construction of the wall to be demolished, a special brick wall cutting machine is used for cutting and separation, and the structural columns 200 of the existing building are not cut off, thereby ensuring the strength of the structure.

[0034] See also Figure 2 As shown, in some embodiments, the structural column 200 is disposed at the lower end of the new masonry load-bearing wall 600 to further enhance the bearing capacity of the masonry.

[0035] See also Figure 2As shown, in some embodiments, a ring beam 300 is provided in the retained wall 800, and the ring beam 300 is provided perpendicular to the structural column 200. The wall 100 to be demolished is separated from the retained wall 800 and the ring beam by cutting, and the ring beam 300 is retained to ensure the strength of the structure.

[0036] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. 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 an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0037] It should be noted that, in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A replacement and reinforcement structure for a cracked masonry load-bearing wall under a window opening, characterized in that: It includes: A wall (800) is retained, which is provided with a window opening; A new masonry load-bearing wall (600) is arranged in the window opening, and a tooth joint (400) is formed at the interface between the new masonry load-bearing wall (600) and the retained wall (800).

2. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 1, characterized in that: A connecting piece (500) is provided at the junction of the newly built load-bearing wall (600) and the retained wall (800); the connecting piece (500) is arranged horizontally, with one end fixed in the newly built load-bearing wall (600) and the other end fixed in the retained wall (800).

3. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening as claimed in claim 2, characterized in that: Holes (900) are provided on the newly built load-bearing wall (600) and the retained wall (800), and the connecting member (500) is installed in the hole (900).

4. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening as claimed in claim 3, characterized in that: Structural adhesive is injected between the hole (900) and the connecting piece (500).

5. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening as claimed in claim 2, characterized in that: A plurality of the connecting members (500) are provided, and the plurality of connecting members (500) are arranged in parallel and at intervals between the new masonry load-bearing wall (600) and the retained wall (800).

6. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 2, characterized in that: The connecting piece (500) is made of steel bars or steel pipes.

7. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 1, characterized in that: A reinforced concrete top beam (700) is provided on the top of the newly built masonry load-bearing wall (600), and both ends of the reinforced concrete top beam (700) extend into the retained wall (800).

8. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 1, characterized in that: Structural columns (200) are arranged in the retained wall (800), and the structural columns (200) are arranged horizontally and are located above and below the window opening.

9. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 8, characterized in that: The structural column (200) is arranged at the lower end of the new masonry load-bearing wall (600).

10. The cracked masonry load-bearing wall replacement reinforcement structure under the window opening according to claim 8, characterized in that: A ring beam (300) is arranged inside the retaining wall (800), and the ring beam (300) is arranged perpendicular to the structural column (200).

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