Anchoring structure for shear wall face reinforcement

By combining anchoring components with high-strength concrete within the shear wall, the problem of steel reinforcement anchoring failure was solved, achieving higher anchoring performance and seismic resistance, and ensuring structural stability.

CN224300284UActive Publication Date: 2026-05-29LUZHOU XINGLUJUTAI CONSTRUCTION ENGINEERING GROUP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUZHOU XINGLUJUTAI CONSTRUCTION ENGINEERING GROUP CO LTD
Filing Date
2025-07-01
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing methods for anchoring steel reinforcement within shear walls are insufficient to guarantee the bond strength between the steel reinforcement and concrete in areas with low concrete strength, leading to anchorage failure and affecting structural stability and seismic resistance.

Method used

The anchoring components include a frustum plate, anchoring pipe, and anchoring end. By setting anchoring ribs, pull-out protrusions, and steel trusses on the main steel reinforcement, the friction and interlocking force between the steel reinforcement and the concrete are enhanced. Combined with the use of high-strength concrete or anchoring adhesive, the stability of the anchoring structure is ensured.

Benefits of technology

It improves the anchorage performance of steel bars within the shear wall, enhances the stability and seismic resistance of the building structure, and ensures the safety and reliability of the structure under various working conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a be used for shear wall surface inside reinforcing bar's anchoring structure relates to reinforced concrete structure technical field, including wall body and insert wall body in reinforcing bar main part still includes anchoring subassembly, the both sides of wall body are established with mounting hole and assembly hole respectively. In the utility model, the one end of reinforcing bar main part passes through with anchoring plate welding, through setting up a plurality of anchoring rib in reinforcing bar main part other end, a plurality of anchoring rib are inserted in a plurality of recesses respectively, then a plurality of anchoring rib are welded on anchoring pipe, can further strengthen the anchoring effect between anchoring pipe and reinforcing bar main part, and the pull -out protruding can effectively increase the friction between reinforcing bar main body and concrete, improve the pull -out capacity of reinforcing bar main body, and simultaneously even setting up a plurality of steel truss between the inside of reinforcing steel framework and reinforcing bar main body, under the dynamic load effect, a plurality of pull -out protruding and steel truss can effectively prevent reinforcing bar main body to pull out, improved the reliability of anchoring structure.
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Description

Technical Field

[0001] This utility model relates to the field of reinforced concrete structure technology, and in particular to an anchorage structure for reinforcing bars in shear walls. Background Technology

[0002] In building construction, shear walls are important load-bearing and lateral force resisting structural components. In shear wall structures, the anchorage structure of the steel reinforcement inside the wall is the key structure to ensure that the steel reinforcement and concrete work together to transfer the load. The anchorage quality of the steel reinforcement is directly related to the stability and safety of the entire structure.

[0003] For example, Chinese patent CN222649555U discloses a shear wall external post-installed steel bar anchoring structure, including a concrete wall, a beam connected to one side of the concrete wall, post-anchoring steel bars inserted inside the concrete wall, one end of the post-anchoring steel bar penetrating into the interior of the beam, and the other end of the post-anchoring steel bar penetrating into the surface of the concrete wall, and a back steel plate fixedly connected to the surface of the end of the post-anchoring steel bar located outside the concrete wall, the back steel plate abutting against the surface of the concrete wall.

[0004] Currently, common methods of anchoring steel bars within shear walls often fail in practice. In some special conditions, such as areas with low concrete strength, the anchorage length cannot guarantee the bond strength between the steel bars and the concrete, which can easily lead to anchorage failure and affect the overall structural performance. To address these issues, an anchorage structure for steel bars within shear walls is proposed. Utility Model Content

[0005] This utility model mainly provides an anchoring structure for reinforcing bars in shear walls that can effectively improve the anchoring performance of reinforcing bars in shear walls, enhance the stability and seismic resistance of building structures.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an anchoring structure for reinforcing bars within a shear wall, comprising a wall body and a main body of reinforcing bars inserted into the wall body, and an anchoring assembly. The wall body has mounting holes and assembly holes on both sides. The two ends of the main body of the reinforcing bars protrude from the wall body through the mounting holes and assembly holes, respectively. The anchoring assembly includes a frustum plate, an anchoring pipe, and an anchoring end. One end of the anchoring end is welded with a first insert ring inserted into the mounting hole. One end of the frustum plate is welded to one end of the anchoring pipe, and the other end of the frustum plate is welded with a second insert ring inserted into the assembly hole. The end of the anchoring pipe away from the frustum plate has multiple grooves evenly distributed along the circumference. One end of the main body of the reinforcing bars has multiple anchoring ribs evenly distributed along the circumference, and one end of each anchoring rib is inserted into a groove and welded to the anchoring pipe.

[0007] Preferably, the portion of the reinforcing bar located within the wall is further provided with several sets of pull-out protrusions. Each pull-out protrusion includes multiple protrusions evenly distributed along the circumference of the reinforcing bar. Adjacent sets of pull-out protrusions are spaced apart along the axial direction of the reinforcing bar. The arrangement of pull-out protrusions can effectively increase the friction between the reinforcing bar and the concrete, thereby improving the pull-out resistance of the reinforcing bar.

[0008] Preferably, two anchor plates are fixedly installed at the end of the anchoring end away from the insertion ring, and the inner side of the anchor plates is welded to the main body of the reinforcing bar. After the anchoring end passes through the main body of the reinforcing bar, the insertion ring on one side of the anchoring end is inserted into the installation hole, and the two anchor plates on the other side of the anchoring end are welded to the main body of the reinforcing bar, thereby completing the assembly of the main body of the reinforcing bar and the wall and the installation of the anchoring structure.

[0009] Preferably, the truncated cone plate and the anchoring end are enlarged head-shaped, and the diameter of the truncated cone plate and the anchoring end is larger than the diameter of the main steel bar. The design of the truncated cone plate and the anchoring end can provide a large anchoring force in a limited space, while facilitating construction.

[0010] Preferably, the cross-sectional shape of the anchoring rib is triangular, and the two ends of the frustum plate are fixed to the wall by fixing bolts. By setting the anchoring rib, the anchoring effect between the anchoring pipe and the main steel bar can be further enhanced.

[0011] Preferably, a steel reinforcement frame is installed inside the wall, and multiple steel reinforcement trusses are evenly arranged between the inner side of the steel reinforcement frame and the main steel reinforcement body. The two ends of the steel reinforcement trusses are fixedly installed to the steel reinforcement frame by connecting bolts. Under dynamic load, the multiple pull-out protrusions and steel reinforcement trusses can effectively prevent the main steel reinforcement body from being pulled out, further enhancing the interlocking force between the anchor end and the concrete.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, one end of the steel bar body is welded to the anchor plate, and multiple anchor ribs are set at the other end of the steel bar body. The multiple anchor ribs are inserted into multiple grooves respectively, and then the multiple anchor ribs are welded to the anchor pipe. This can further enhance the anchoring effect between the anchor pipe and the steel bar body. Compared with the traditional anchoring method, it can more effectively resist the action of external forces such as tension and shear force, and ensure the safety of the structure under various working conditions.

[0014] 2. In this utility model, the portion of the reinforcing steel body located within the wall is further provided with several sets of pull-out protrusions. These pull-out protrusions can effectively increase the friction between the reinforcing steel body and the concrete, thereby improving the pull-out resistance of the reinforcing steel body. Simultaneously, multiple steel trusses are evenly arranged between the inner side of the reinforcing steel skeleton and the reinforcing steel body. Under dynamic load, the multiple pull-out protrusions and steel trusses can effectively prevent the reinforcing steel body from being pulled out, further enhancing the interlocking force between the anchoring end and the concrete. This allows the anchoring structure to better transfer force to the concrete when subjected to tensile force, improving the reliability of the anchoring structure and enhancing the seismic performance of the building structure. Attached Figure Description

[0015] Figure 1 A perspective view of the anchorage structure for reinforcing bars within a shear wall is provided for this utility model.

[0016] Figure 2 This utility model provides a structural diagram of the anchor plate and the main body of the reinforcing steel for anchoring reinforcing steel in shear walls.

[0017] Figure 3 A schematic diagram of the main body of the steel reinforcement for the anchorage structure of steel reinforcement in shear wall is provided for this utility model.

[0018] Figure 4 This utility model provides a cross-sectional view of a wall for anchoring reinforcing bars within a shear wall.

[0019] Legend: 1. Wall; 2. Main steel reinforcement; 3. Anchoring component; 4. Anchoring rib; 5. Pull-out protrusion; 6. Protrusion block; 7. Mounting hole; 8. Assembly hole; 9. Steel reinforcement cage; 10. Steel truss; 11. Connecting bolt; 31. Frustum plate; 32. Anchoring pipe; 33. Anchoring end; 34. Groove; 35. Insert ring one; 36. Anchoring plate; 37. Insert ring two; 38. Fixing bolt. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Please see Figures 1-4This utility model provides a technical solution: an anchoring structure for reinforcing bars in a shear wall, including a wall 1 and a reinforcing bar body 2 inserted into the wall 1, and an anchoring component 3. The wall 1 has mounting holes 7 and assembly holes 8 on both sides. The two ends of the reinforcing bar body 2 pass through the mounting holes 7 and assembly holes 8 respectively. The anchoring component 3 includes a frustum plate 31, an anchoring pipe 32, and an anchoring end 33. One end of the anchoring end 33 is welded with a first insert ring 35 inserted into the mounting hole 7. One end of the frustum plate 31 is welded to one end of the anchoring pipe 32, and the other end of the frustum plate 31 is welded with a second insert ring 37 inserted into the assembly hole 8. The end of the anchoring pipe 32 away from the frustum plate 31 has multiple grooves 3 evenly distributed along the circumference. 4. Multiple anchoring ribs 4 are evenly distributed along the circumference of one end of the main steel bar 2, and one end of the anchoring ribs 4 is inserted into the groove 34 and welded to the anchoring pipe 32. By setting the anchoring ribs 4, the anchoring effect between the anchoring pipe 32 and the main steel bar 2 can be further enhanced. Insert one end of the main steel bar 2 into the assembly hole 8, pass through the wall 1 and then out through the installation hole 7, ensuring that the truncated cone plate 31 and the anchoring pipe 32 are located outside the drill hole. After the anchoring end 33 passes through the main steel bar 2, insert the insertion ring 35 on one side of the anchoring end 33 into the installation hole 7, and weld the two anchoring plates 36 on the other side of the anchoring end 33 to the main steel bar 2, thereby completing the assembly of the main steel bar 2 and the wall 1 and the installation of the anchoring structure.

[0023] like Figure 2 and Figure 3 As shown, the portion of the main steel reinforcement 2 located inside the wall 1 is also provided with several sets of pull-out protrusions 5. The pull-out protrusions 5 include multiple protrusions 6 evenly distributed along the circumference of the main steel reinforcement 2. Adjacent sets of pull-out protrusions 5 are spaced apart along the axial direction of the main steel reinforcement 2. The setting of pull-out protrusions 5 can effectively increase the friction between the main steel reinforcement 2 and the concrete, and improve the pull-out resistance of the main steel reinforcement 2.

[0024] like Figure 1 and Figure 4 As shown, two anchor plates 36 are fixedly installed at the end of the anchor end 33 away from the insertion ring 35, and the inner side of the anchor plate 36 is welded to the steel body 2. After the anchor end 33 passes through the steel body 2, the insertion ring 35 on one side of the anchor end 33 is inserted into the installation hole 7, and the two anchor plates 36 on the other side of the anchor end 33 are welded to the steel body 2, thereby completing the assembly of the steel body 2 and the wall 1 and the installation of the anchor structure.

[0025] like Figure 4 As shown, the truncated cone plate 31 and the anchoring end 33 are enlarged head-shaped, and the diameter of the truncated cone plate 31 and the anchoring end 33 is larger than the diameter of the main steel bar 2. The design of the truncated cone plate 31 and the anchoring end 33 can provide a large anchoring force in a limited space, while facilitating construction.

[0026] like Figure 3 and Figure 4 As shown, the cross-sectional shape of the anchoring rib 4 is triangular, and the two ends of the frustum plate 31 are fixed to the wall 1 by fixing bolts 38. By setting the anchoring rib 4, the anchoring effect between the anchoring pipe 32 and the steel reinforcement body 2 can be further enhanced.

[0027] like Figure 4 As shown, a steel reinforcement frame 9 is installed inside the wall 1. Multiple steel reinforcement trusses 10 are evenly arranged between the inner side of the steel reinforcement frame 9 and the main steel reinforcement 2. The two ends of the steel reinforcement trusses 10 are fixedly installed to the steel reinforcement frame 9 by connecting bolts 11. Under dynamic load, the multiple pull-out protrusions 5 and the steel reinforcement trusses 10 can effectively prevent the main steel reinforcement 2 from being pulled out, further enhancing the interlocking force between the anchor end 33 and the concrete.

[0028] The usage and working principle of this device are as follows: Drill holes in the shear wall 1 according to the design requirements at the specified positions and spacing. The diameter of the drilled holes should be 3-5 mm larger than the diameter of the main steel reinforcement 2 to ensure that the main steel reinforcement 2 can be inserted smoothly. When installing the main steel reinforcement 2, first, fit the anchor pipe 32 onto one end of the main steel reinforcement 2, and insert the multiple anchoring ribs 4 outside the main steel reinforcement 2 into the multiple grooves 34 respectively. Then, weld the multiple anchoring ribs 4 onto the anchor pipe 32. The cross-sectional shape of the anchoring ribs 4 is triangular. By setting the anchoring ribs 4, the anchoring effect between the anchor pipe 32 and the main steel reinforcement 2 can be further enhanced. Insert one end of the main steel reinforcement 2 into the assembly hole 8. The main steel reinforcement 2 passes through the wall 1 and then exits through the installation hole 7, ensuring that the frustum plate 31 and the anchor pipe 32 are located outside the drilled holes, and the two ends of the main steel reinforcement 2 are located outside the wall 1 respectively (e.g., Figure 4 As shown), during the insertion process, pay attention to keeping the main body of the reinforcing bar 2 vertical to avoid collision between the main body of the reinforcing bar 2 and the hole wall, which may cause damage. At this time, insert the second insertion ring 37 on one side of the truncated cone plate 31 into the assembly hole 8, and use the fixing bolt 38 to fix the truncated cone plate 31 to the wall 1. Before the concrete or anchoring adhesive solidifies, properly fix the main body of the reinforcing bar 2 to prevent its displacement.

[0029] High-strength concrete or anchoring adhesive is injected into the borehole. The injection process should be continuous and full to ensure that the concrete or anchoring adhesive fills the gap between the borehole and the main body of the reinforcing steel 2. After the concrete or anchoring adhesive reaches the design strength, the anchoring end 33 is passed through the main body of the reinforcing steel 2. The insertion ring 35 on one side of the anchoring end 33 is inserted into the installation hole 7. The two anchoring plates 36 on the other side of the anchoring end 33 are welded to the main body of the reinforcing steel 2, thus completing the assembly of the main body of the reinforcing steel 2 and the wall 1 and the installation of the anchoring structure.

[0030] The portion of the reinforcing steel body 2 located within the wall 1 is also provided with several sets of pull-out protrusions 5. Each pull-out protrusion 5 includes multiple protrusions 6 evenly distributed along the circumference of the reinforcing steel body 2. Adjacent sets of pull-out protrusions 5 are spaced apart along the axial direction of the reinforcing steel body 2. The installation of pull-out protrusions 5 can effectively increase the friction between the reinforcing steel body 2 and the concrete, thereby improving the pull-out resistance of the reinforcing steel body 2. At the same time, multiple steel trusses 10 are evenly arranged between the inner side of the reinforcing steel skeleton 9 and the reinforcing steel body 2. Under dynamic load, the multiple pull-out protrusions 5 and the steel trusses 10 can effectively prevent the reinforcing steel body 2 from being pulled out, further enhancing the interlocking force between the anchor end 33 and the concrete. This allows the anchoring structure to better transfer force to the concrete when subjected to tensile force, improving the reliability of the anchoring structure and enhancing the seismic performance of the building structure.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. An anchorage structure for reinforcing bars within a shear wall, comprising a wall (1) and a main body (2) of reinforcing bars inserted into the wall (1), characterized in that, It also includes an anchoring component (3), wherein the wall (1) has mounting holes (7) and assembly holes (8) on both sides respectively, and the two ends of the steel reinforcement body (2) pass through the mounting holes (7) and assembly holes (8) respectively. The anchoring component (3) includes a frustum plate (31), an anchoring pipe (32) and an anchoring end (33). One end of the anchoring end (33) is welded with a ring (35) inserted into the mounting hole (7). The frustum plate (31) has... One end is welded to one end of the anchoring pipe (32), and the other end of the truncated cone plate (31) is welded with a second insert ring (37) inserted into the assembly hole (8). The end of the anchoring pipe (32) away from the truncated cone plate (31) is evenly provided with multiple grooves (34) along the circumferential direction. The end of the steel bar body (2) is evenly distributed with multiple anchoring ribs (4) along the circumferential direction, and one end of the anchoring ribs (4) is inserted into the groove (34) and welded to the anchoring pipe (32).

2. The anchorage structure for reinforcing bars within a shear wall according to claim 1, characterized in that: The portion of the main steel bar (2) located inside the wall (1) is also provided with several sets of pull-out protrusions (5). The pull-out protrusions (5) include multiple protrusions (6) evenly distributed along the circumference of the main steel bar (2). Adjacent sets of pull-out protrusions (5) are spaced apart along the axial direction of the main steel bar (2).

3. The anchorage structure for reinforcing bars within a shear wall according to claim 1, characterized in that: Two anchor plates (36) are fixedly installed at the end of the anchor end (33) away from the insertion ring (35), and the inner side of the anchor plate (36) is welded to the main body of the reinforcing bar (2).

4. The anchorage structure for reinforcing bars within a shear wall according to claim 1, characterized in that: The frustum plate (31) and the anchoring end (33) are enlarged head-shaped, and the diameter of the frustum plate (31) and the anchoring end (33) is larger than the diameter of the main steel bar (2).

5. The anchorage structure for reinforcing bars within a shear wall according to claim 1, characterized in that: The cross-sectional shape of the anchoring rib (4) is triangular, and the two ends of the frustum plate (31) are fixed to the wall (1) by fixing bolts (38).

6. The anchorage structure for reinforcing bars within a shear wall according to claim 1, characterized in that: The wall (1) is equipped with a steel reinforcement frame (9). Multiple steel reinforcement trusses (10) are evenly arranged between the inner side of the steel reinforcement frame (9) and the steel reinforcement body (2). The two ends of the steel reinforcement trusses (10) are fixedly installed to the steel reinforcement frame (9) by connecting bolts (11).