Segmented replacement structure of cracked masonry bearing wall

Abstract

The utility model relates to a segmented replacement structure for a cracked masonry bearing wall, which comprises a to-be-disassembled wall body which is cut into a plurality of blocks; and the newly-built concrete wall body is matched with one of the to-be-disassembled wall bodies, and the newly-built concrete wall body is used for replacing the to-be-disassembled wall bodies when one of the to-be-disassembled wall bodies is disassembled. The wall body to be dismantled is divided into a plurality of blocks and is separated from the peripheral reserved structure by adopting the special brick wall cutting machine, so that the integrity of the peripheral structure can be effectively protected, the damage to the peripheral structure is reduced, the dismantling cost is reduced, and meanwhile, the dismantling of an old wall body and the replacement of a newly built concrete wall body are simultaneously carried out; and it can be effectively guaranteed that the overall structure is reasonably stressed in the wall dismantling and replacing process.

Description

Technical Field

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

[0002] Structural cracks in load-bearing masonry walls are a common quality issue due to uneven foundations, thermal expansion and contraction of materials caused by temperature fluctuations, improper use of building materials, or irrational building construction. Severe structural cracks can affect the bearing capacity of the masonry and even cause collapse, necessitating reinforcement of cracked masonry walls. For masonry walls that cannot be reinforced in situ, demolition and replacement are often necessary. However, traditional, brutal demolition and replacement methods, such as heavy hammer tamping and manual pushing, not only fail to protect the surrounding wall structure, but also lack vertical support after the wall is demolished, posing a significant safety hazard and threatening the lives of construction workers. Utility Model Content

[0003] The embodiment of the utility model provides a segmented replacement structure for a cracked masonry load-bearing wall to solve the problem in the related art that the surrounding structure of the wall cannot be protected and the structure lacks vertical support after the wall is demolished, which poses a safety hazard.

[0004] In a first aspect, a segmented replacement structure for a cracked masonry load-bearing wall is provided, which includes: a wall to be demolished, which is cut into multiple blocks; a newly built concrete wall, which matches a block of the wall to be demolished, and the newly built concrete wall is used to replace the wall to be demolished when one of the blocks of the wall to be demolished is demolished.

[0005] In some embodiments, a reserved wall is provided on the outer side of the wall to be demolished, and structural columns and ring beams are fixed in the reserved wall. The structural columns and the ring beam are arranged around the wall to be demolished.

[0006] In some embodiments, the structural columns are vertically arranged and located on the left and right sides of the wall to be demolished.

[0007] In some embodiments, tie bars are provided between the newly built concrete wall and the structural columns, and the tie bars are partially located in the newly built concrete wall and partially located in the structural columns.

[0008] In some embodiments, the ring beam is arranged horizontally and is located on the upper and lower sides of the wall to be demolished.

[0009] In some embodiments, longitudinal reinforcement is embedded in the newly built concrete wall, and both ends of the longitudinal reinforcement are embedded in the ring beam.

[0010] In some embodiments, the longitudinal reinforcement is provided with a tensioning bar, and the tensioning bar is in the form of a plum blossom-shaped tie.

[0011] In some embodiments, the new concrete wall includes steel bars, formwork, and concrete.

[0012] In some embodiments, horizontal reinforcement is embedded in the newly built concrete wall, and the horizontal reinforcement is exposed outside the concrete.

[0013] In some embodiments, the horizontal reinforcements of two adjacent newly built concrete walls are welded to each other.

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

[0015] The embodiment of the present utility model provides a segmented replacement structure for a cracked masonry load-bearing wall. Since the wall to be demolished is divided into multiple blocks and separated from the surrounding retained structure by a special brick wall cutting machine, the integrity of the surrounding structure can be effectively protected, the damage to the surrounding structure can be reduced, and the demolition cost can be reduced. At the same time, the demolition of the old wall and the replacement of the new concrete wall are carried out at the same time, which can effectively ensure that the overall structure is subjected to reasonable force during the wall demolition and replacement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 paying any creative work.

[0017] Figure 1 A schematic diagram of the structure of a wall to be demolished provided in an embodiment of the present utility model;

[0018] Figure 2 A schematic diagram of the first step of replacing a wall to be demolished with a newly built concrete wall according to an embodiment of the present invention;

[0019] Figure 3 A schematic diagram of the second step of replacing a wall to be demolished with a newly built concrete wall according to an embodiment of the present invention;

[0020] Figure 4 A schematic diagram of the final state of the replacement of a wall to be demolished and a newly built concrete wall provided by an embodiment of the present utility model;

[0021] Figure 5 A schematic diagram of the connection between a newly built concrete wall and an existing structural column provided in an embodiment of the present utility model;

[0022] Figure 6 A schematic diagram of connecting adjacent newly built concrete walls provided in an embodiment of the present utility model.

[0023] Numbers in the figure:

[0024] 100. Wall to be demolished; 200. Structural column; 300. Ring beam; 400. New concrete wall; 410. Tie bars; 420. Longitudinal bars; 430. Tie bars; 440. Horizontal bars. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are 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 making creative efforts shall fall within the scope of protection of the present invention.

[0026] The embodiment of the utility model provides a segmented replacement structure for a cracked masonry load-bearing wall, which can solve the problem in the related art that the surrounding structure of the wall cannot be protected, the structure lacks vertical support after the wall is demolished, and there are safety hazards.

[0027] See also Figures 1 to 4 As shown, a segmented replacement structure for a cracked masonry load-bearing wall provided by an embodiment of the present invention comprises: a wall 100 to be demolished, which is cut into multiple pieces; and a newly built concrete wall 400, which matches a piece of the wall 100 to be demolished. The newly built concrete wall 400 is used to replace the wall 100 to be demolished when one of the pieces of the wall 100 to be demolished is removed. Because the wall to be demolished is divided into multiple pieces and separated from the surrounding retained structure using a dedicated brick wall cutter, the integrity of the surrounding structure can be effectively protected, damage to the surrounding structure can be minimized, and demolition costs can be reduced. Simultaneously, the old wall is demolished and replaced with a new concrete wall, and the wall demolition and reinforced concrete pouring are carried out symmetrically from both sides toward the center, effectively ensuring that the overall structure is properly stressed during the wall demolition and replacement process.

[0028] Specifically, see Figures 1 to 4 As shown, in this embodiment, the segmented demolition spacing L of the wall 100 to be demolished is determined according to the load on the upper part of the wall.

[0029] See also Figures 1 to 4As shown, in some embodiments, the outer side of the wall 100 to be demolished has a retained wall, and structural columns 200 and ring beams 300 are fixed in the retained wall. The structural columns 200 and the ring beams 300 are arranged around the wall 100 to be demolished. The structural columns 200 are arranged vertically and are located on the left and right sides of the wall 100 to be demolished, and the ring beams 300 are arranged horizontally and are located on the upper and lower sides of the wall 100 to be demolished. The demolition width of the wall 100 to be demolished is determined according to the load that the upper ring beam 300 can bear, and the wall 100 to be demolished is cut and demolished in batches. During the cutting and demolition construction of the wall 100 to be demolished, it is separated from the surrounding retained structure using a special brick wall cutting machine. The existing structural columns 200 and ring beams 300 of the building shall not be cut to ensure the integrity of the surrounding structure.

[0030] See also Figure 5 and Figure 6 As shown, in some embodiments, tie bars 410 are provided between the newly built concrete wall 400 and the structural columns 200. The tie bars 410 are partially located within the newly built concrete wall 400 and partially located within the structural columns 200. In this embodiment, by providing tie bars 410 between the newly built concrete wall 400 and the structural columns 200, and by determining the anchoring length of the tie bars 410 according to the specifications, the connection strength between the newly built wall and the existing structure can be increased, ensuring that the force applied to the newly built wall is more reasonable.

[0031] Specifically, see Figure 5 and Figure 6 As shown, the interface between the new concrete wall 400 and the existing structural column 200 and the interface between the adjacent new and old concrete walls are roughened, and the scum is cleaned.

[0032] See also Figure 5 and Figure 6 As shown, in some embodiments, longitudinal bars 420 are embedded in the newly built concrete wall 400, with both ends of the longitudinal bars 420 embedded in the ring beam 300. In this embodiment, by embedding the upper and lower ends of the longitudinal bars 420 in the ring beam 300, and determining the length of the embedded bars according to the specifications, the connection strength between the newly built wall and the existing structure can be further increased, ensuring that the force applied to the newly built wall is more reasonable.

[0033] See also Figure 5 and Figure 6 As shown, in some embodiments, the longitudinal reinforcement 420 is provided with a tensioning reinforcement 430 , and the tensioning reinforcement 430 is in the form of a plum blossom-shaped tie, which can improve the integrity of the steel skeleton and increase the strength of the entire wall.

[0034] See also Figure 5 and Figure 6As shown, in some embodiments, the newly built concrete wall 400 includes steel bars, formwork, and concrete. In this embodiment, after the segmented wall 100 is removed, the steel bars are immediately tied, the formwork is installed, and the concrete is poured, which can effectively ensure that the overall structure is properly stressed during the wall removal and replacement process.

[0035] See also Figure 5 and Figure 6 As shown, in some embodiments, horizontal reinforcement 440 is embedded within the newly constructed concrete wall 400, with the reinforcement 440 exposed on the exterior of the concrete. In this embodiment, the concrete corners at the interface between adjacent replacement concrete walls are removed to expose the reinforcement 440. The reinforcement 440 is then single-sidedly lap-welded to the horizontal reinforcement 440 of the post-cast concrete wall. The length of the single-sided lap weld is determined according to regulatory requirements, further enhancing the connection strength between the newly constructed wall and the existing structure.

[0036] In the description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on 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 an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0037] It should be noted that, in the present invention, relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of 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 that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0038] The foregoing description is intended only to provide specific embodiments of the present invention, intended to enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but rather to be construed in the broadest manner consistent with the principles and novel features claimed herein.

Claims

1. A segmented replacement structure for a cracked masonry load-bearing wall, characterized in that: It includes: A wall (100) to be demolished is cut into multiple pieces; A newly built concrete wall (400) matches one of the walls (100) to be demolished, and the newly built concrete wall (400) is used to replace the wall (100) to be demolished when one of the walls (100) to be demolished is demolished; a reserved wall is provided on the outside of the wall (100) to be demolished, and structural columns (200) and a ring beam (300) are fixed in the reserved wall, and the structural columns (200) and the ring beam (300) are arranged around the wall (100) to be demolished; The structural columns (200) are arranged vertically and are located on the left and right sides of the wall (100) to be demolished; tie bars (410) are arranged between the newly built concrete wall (400) and the structural columns (200), and the tie bars (410) are partially located in the newly built concrete wall (400) and partially located in the structural columns (200).

2. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 1, characterized in that: The ring beam (300) is arranged horizontally and is located at the upper and lower sides of the wall (100) to be demolished.

3. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 2, characterized in that: Longitudinal reinforcement (420) is embedded in the newly built concrete wall (400), and both ends of the longitudinal reinforcement (420) are embedded in the ring beam (300).

4. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 3, characterized in that: The longitudinal reinforcement (420) is provided with a tensioning reinforcement (430), and the tensioning reinforcement (430) is in the form of a plum blossom-shaped tensioning.

5. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 1, characterized in that: The newly built concrete wall (400) comprises steel bars, formwork and concrete.

6. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 5, characterized in that: Horizontal ribs (440) are embedded in the newly built concrete wall (400), and the horizontal ribs (440) are exposed outside the concrete.

7. The segmented replacement structure for a cracked masonry load-bearing wall according to claim 6, characterized in that: The horizontal reinforcements (440) of two adjacent newly built concrete walls (400) are welded to each other.

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