Wall protecting and reinforcing construction structure of historical building
By using reinforced structures of reinforced walls with steel mesh frames, anchor ribs and high-ductile concrete reinforced walls in historical buildings, the problem of poor foundation stability is solved, the stability and protection of the walls are achieved, and the protection of cultural heritage is ensured.
Patent Information
- Application Number
- CN202422245600.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The foundations of historical buildings are poorly stable, resulting in vulnerability to damage and aging of walls and improper maintenance.
The reinforced structure of reinforced walls is adopted for reinforced steel mesh frames, anchor bars, wall tensile reinforcement and high-ductile concrete reinforcement walls. The foundation stability is improved through grouting drainage pipes, and high-ductile concrete is poured between the original wall and the reinforcement mesh frame to form a stable foundation system.
It enhances the stability of the foundation and walls of historical buildings, improves the overall crack resistance, and provides reliable protection for cultural heritage.
Smart Images
Figure CN223119616U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a construction structure for protecting and strengthening the wall of a historical building. Background Technique
[0002] Protecting historical buildings is an indispensable part of cultural heritage. They gather the unique historical heritage and cultural connotations of a region and a country, and also represent to a certain extent the local art achievements in the past. However, these buildings often face problems such as damage, aging, and improper maintenance. In order to effectively protect and repair these buildings, the first thing to do is to reinforce the original historical buildings. Content of the Utility Model
[0003] In order to meet the requirements of the above technology, the purpose of the utility model is to provide a construction structure for protecting and strengthening the wall of a historical building, which can reinforce the wall of the original historical building so that the historical building can be protected, providing a guarantee for the inheritance and research of culture.
[0004] The utility model is implemented by adopting the following technical solutions:
[0005] A construction structure for protecting and strengthening the wall of a historical building includes a steel mesh frame, anchor bars, horizontal bearing bars, through-wall tensile bars, and a high-ductility concrete reinforced wall; a grouting drainage pipe is arranged in the original cushion layer arranged under the original wall of the historical building; steel mesh frames are arranged on both sides of the original wall and fixed to the original cushion layer; the steel mesh frame is positioned and fixed by anchor bars driven into the original wall; horizontal bearing bars distributed along the horizontal direction of the original wall are arranged on the steel mesh frame; the horizontal bearing bars on both sides above the original wall are fixedly connected by through-wall tensile bars; a high-ductility concrete reinforced wall is poured between the original wall and the steel mesh frame; a waterproof sealing layer is arranged at the butt joint of the high-ductility concrete reinforced wall and the upper part of the original wall.
[0006] Further, the steel mesh frame is fixedly composed of a steel mesh vertically arranged along the original wall and a steel mesh obliquely arranged to the surface of the original cushion layer; the steel mesh includes transverse welded steel bars, longitudinal welded steel bars, and diagonal bracing bars; the transverse welded steel bars and the longitudinal welded steel bars are perpendicularly welded and fixed; diagonal bracing bars are welded and fixed on the frame formed after the transverse welded steel bars and the longitudinal welded steel bars are welded.
[0007] Further, a stepped surface is processed on the part of the original wall above the original cushion layer and below the ground surface; the obliquely arranged steel mesh is fixed to the side surface of the stepped surface by anchor bars; the vertically arranged steel mesh reinforces the original wall through horizontal bearing bars and through-wall tensile bars.
[0008] Furthermore, the bottom of the inclined steel mesh is fixed in the original cushion layer through anti-tension bars; the bottommost anchor bars are fixed in the original cushion layer through anchor piles.
[0009] Furthermore, a plurality of through holes are evenly arranged on the part of the grouting drainage pipe extending into the original cushion layer; the grouting drainage pipe is connected to the high-pressure grouting pipe through a pipe joint.
[0010] Furthermore, a gravel cushion layer is arranged around the original cushion layer; after the reinforcement construction, backfill soil is laid on the original cushion layer and the gravel cushion layer to form a reinforced wall of the building.
[0011] Furthermore, the anchor bar is of an L-shaped structure; the inclined steel mesh is fixed to the L-shaped anchor bar, and a horizontal bearing bar is fixedly arranged in the outer card slot formed by the inclined steel mesh and the L-shaped anchor bar; a horizontal bearing bar is fixedly arranged on the inner side surface of the vertically arranged steel mesh.
[0012] Furthermore, the wall-piercing tensile bar is connected to the horizontal bearing bars arranged on both sides of the original wall through through holes drilled in the original wall, and the two ends of the wall-piercing tensile bar are bent to hook the horizontal bearing bars.
[0013] In summary, the present utility model has the following beneficial effects: A wall protection and reinforcement construction structure for a historical building provided by the present utility model injects grout into the original cushion layer through a grouting drainage pipe, greatly improving the stability of the foundation. The original wall and the reinforced original cushion layer form a stable foundation system through a steel mesh frame, anchor bars and wall-piercing tensile bars. Then, by pouring a high-ductility concrete reinforced wall, the overall crack resistance of the wall is enhanced, forming a protection structure for the wall of the historical building, providing a guarantee for the inheritance and research of culture. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0015] Figure 2 It is a schematic diagram of the steel mesh frame structure of the present utility model.
[0016] Wherein: steel mesh frame 1; anchor bar 2; horizontal bearing bar 3; wall-piercing tensile bar 4; high-ductility concrete reinforced wall 5; gravel cushion layer 6; original cushion layer 7; anchor pile 8; anti-tension bar 9; grouting drainage pipe 10; high-pressure grouting pipe 11; waterproof sealing layer 12; backfill soil 13; steel mesh 101; transverse welded steel bar 102; longitudinal welded steel bar 103; diagonal tie bar 104. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0018] As shown in Figure 1 and Figure 2 , a construction structure for protecting and strengthening the wall of a historical building includes a steel mesh frame 1, anchor bars 2, horizontal bearing bars 3, through-wall tensile bars 4, and a high-ductility concrete reinforced wall 5; a grouting drainage pipe 10 is arranged in the original cushion layer 7 provided under the original wall of the historical building; steel mesh frames 1 are arranged on both sides of the original wall and fixed to the original cushion layer 7; the steel mesh frame 1 is positioned and fixed by anchor bars 2 driven into the original wall; horizontal bearing bars 3 distributed along the horizontal direction of the original wall are arranged on the steel mesh frame 1; the horizontal bearing bars 3 on both sides above the original wall are fixedly connected by through-wall tensile bars 4; a high-ductility concrete reinforced wall 5 is poured between the original wall and the steel mesh frame 1; a waterproof sealing layer 12 is arranged at the butt joint of the high-ductility concrete reinforced wall 5 and the upper part of the original wall to improve the waterproof performance. Since the foundation of an ancient historical building is much less stable than that of a modern building, grouting into the original cushion layer 7 through the grouting drainage pipe 10 greatly improves the stability of the foundation. The original wall and the reinforced original cushion layer 7 form a stable foundation system through the steel mesh frame 1, anchor bars 2, and through-wall tensile bars 4. Then, by pouring the high-ductility concrete reinforced wall 5, the high-ductility concrete is prepared by stirring with a forced mixer to ensure the uniformity of the mixing of fibers and mortar and the uniform distribution of fibers in the high-ductility concrete, forming a protective structure for the wall of the historical building, providing a guarantee for the inheritance and research of culture.
[0019] As a preferred embodiment, the steel mesh frame 1 is fixedly composed of steel mesh sheets 101 vertically arranged along the original wall and steel mesh sheets 101 obliquely arranged to the surface of the original cushion layer 7; the steel mesh sheet 101 includes transverse welded steel bars 102, longitudinal welded steel bars 103, and diagonal bracing bars 104; the transverse welded steel bars 102 and the longitudinal welded steel bars 103 are perpendicularly welded and fixed, and the adjacent longitudinal welded steel bars 103 at both ends of the steel mesh sheet 101 are arranged closer; diagonal bracing bars 104 are welded and fixed on the frame after the transverse welded steel bars 102 and the longitudinal welded steel bars 103 are welded, improving the overall hoisting stability of the steel mesh frame 1, facilitating construction, and strengthening the protection of historical buildings.
[0020] As a preferred embodiment, the part of the original wall above the original cushion layer 7 and below the ground surface is processed with a stepped surface; the obliquely arranged steel mesh sheet 101 is fixed to the side surface of the stepped surface through anchor bars 2; the vertically arranged steel mesh sheet 101 reinforces the original wall through horizontal bearing bars 3 and through-wall tensile bars 4, improving the stability of the structure.
[0021] As a preferred embodiment, the bottom of the inclined steel mesh 101 is fixed in the original cushion layer 7 by a tension rod 9; the anchor bar 2 at the bottom layer is fixed in the original cushion layer 7 by an anchor pile 8, thereby improving the stability of the original wall located at the foundation part.
[0022] As a preferred embodiment, the portion of the grouting drainage pipe 10 extending into the original cushion layer 7 is evenly provided with a plurality of through holes; the grouting drainage pipe 10 is connected to the high-pressure grouting pipe 11 through a pipe joint, and cement concrete is injected into the original cushion layer 7 through the high-pressure grouting pipe 11 and the grouting drainage pipe 10, and penetrates into various parts to form a stable foundation structure.
[0023] As a preferred embodiment, a crushed stone cushion layer 6 is arranged around the original cushion layer 7, and the crushed stone cushion layer 6 expands outward by 10 cm to ensure the stability of the foundation; after the reinforcement construction, backfill soil 13 is laid on the original cushion layer 7 and the crushed stone cushion layer 6 to form a reinforced wall of the building.
[0024] As a preferred embodiment, the anchor bar 2 is an L-shaped structure; the anchoring depth of the anchor bar 2 in the foundation of the original wall is not less than 180 mm; the inclined steel mesh 101 is fixed to the L-shaped anchor bar 2, and horizontal load-bearing bars 3 are fixedly arranged in the outer groove formed by the inclined steel mesh 101 and the L-shaped anchor bar 2; horizontal load-bearing bars 3 are fixedly arranged on the inner side surface of the vertically arranged steel mesh 101, thereby improving the protective effect of the steel mesh frame 1 on the original wall.
[0025] As a preferred embodiment, the through-wall tensile reinforcement 4 is connected to the horizontal load-bearing reinforcement 3 arranged on both sides of the original wall through a through hole punched in the original wall, and the two ends of the through-wall tensile reinforcement 4 are bent to hook the horizontal load-bearing reinforcement 3, which is convenient for construction. At the same time, the through-wall tensile reinforcement 4 is used to tie the original wall to enhance the overall crack resistance of the wall, thereby completing the reinforcement of the original wall, so as to improve the safe bearing capacity of the historical building itself and ensure the normal implementation of subsequent reinforcement projects and maintenance work.
[0026] Although the above describes and illustrates the specific implementation methods of the present invention in detail, it should be pointed out that: we can make various equivalent changes and modifications to the above implementation methods based on the concept of the present invention, and the functional effects produced by them still do not exceed the spirit covered by the specification, and they should all be within the protection scope of the present invention.
Claims
1. A construction structure for protecting and strengthening the wall of a historical building, comprising a steel mesh frame, anchor bars, horizontal load-bearing bars, wall-piercing tensile bars, and a high-ductility concrete reinforced wall; characterized in that: A grouting drainage pipe is arranged in the original cushion layer arranged under the original wall of the historical building; a steel mesh frame fixed to the original cushion layer is arranged on both sides of the original wall; the steel mesh frame is positioned and fixed by anchor bars driven into the original wall; horizontal bearing bars distributed along the horizontal direction of the original wall are arranged on the steel mesh frame; the horizontal bearing bars on both sides above the original wall are fixedly connected by wall-piercing tensile bars; a high-ductility concrete reinforcement wall is poured between the original wall and the steel mesh frame; a waterproof sealing layer is arranged at the butt joint of the high-ductility concrete reinforcement wall and the upper part of the original wall.
2. The wall protection and reinforcement construction structure of a historical building according to claim 1, characterized in that: The steel mesh frame is fixedly composed of a steel mesh vertically arranged along the original wall and a steel mesh obliquely arranged to the surface of the original cushion layer along the original wall; the steel mesh includes transverse welded bars, longitudinal welded bars and diagonal tie rods; the transverse welded bars and the longitudinal welded bars are perpendicularly welded and fixed; diagonal tie rods are fixedly welded on the frame formed after the transverse welded bars and the longitudinal welded bars are welded.
3. The wall protection and reinforcement construction structure of a historical building according to claim 2, characterized in that: The part of the original wall above the original cushion layer and below the ground surface is processed with a stepped surface; the obliquely arranged steel mesh is fixed to the side surface of the stepped surface by anchor bars; the vertically arranged steel mesh reinforces the original wall through horizontal bearing bars and wall-piercing tensile bars.
4. A wall protection and reinforcement construction structure for historical buildings according to claim 3, characterized in that: The bottom of the obliquely arranged steel mesh is fixed in the original cushion layer through a tie rod; the bottommost anchor bars are fixed in the original cushion layer through anchor piles.
5. The wall protection and reinforcement construction structure of a historical building according to claim 1, characterized in that: A plurality of through holes are evenly arranged in the part of the grouting drainage pipe extending into the original cushion layer; the grouting drainage pipe is connected to a high-pressure grouting pipe through a pipe joint.
6. The wall protection and reinforcement construction structure of a historical building according to claim 1, characterized in that: A gravel cushion layer is arranged around the original cushion layer; after the reinforcement construction, backfill soil is laid on the original cushion layer and the gravel cushion layer to form a reinforced wall of the building.
7. The wall protection and reinforcement construction structure of a historical building according to claim 3, characterized in that: The anchor bars are of an L-shaped structure; the obliquely arranged steel mesh is fixed to the L-shaped anchor bars, and horizontal bearing bars are fixedly arranged in the outer card slot formed by the obliquely arranged steel mesh and the L-shaped anchor bars; horizontal bearing bars are fixedly arranged on the inner side surface of the vertically arranged steel mesh.
8. The wall protection and reinforcement construction structure of a historical building according to claim 1, characterized in that: The wall-piercing tensile bars are connected to the horizontal bearing bars arranged on both sides of the original wall after passing through the through holes drilled in the original wall, and the two ends of the wall-piercing tensile bars are bent to hook the horizontal bearing bars.