Reinforcing steel bar frame structure for pouring expansion reinforcing band

By combining the design of the steel frame structure and the supporting unit, the problem of the waterstop steel plate shifting or floating during construction was solved, achieving stable installation of the waterstop steel plate and stable connection of the concrete structure, thus ensuring the waterproofing effect.

CN224078507UActive Publication Date: 2026-04-03GUANGDONG HUIJIANG CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

During the construction of the base plate, the waterstop steel plate is prone to displacement or floating, which can reduce the waterproofing effect, affecting the construction quality and service life.

Method used

A steel frame structure is adopted, and the water-stop steel plate is initially fixed by connecting steel bars and quick-closing mesh. Further support is provided by supporting units such as risers and diagonal braces to form a sawtooth connection section to improve stability.

Benefits of technology

It effectively prevents the water-stop steel plate from shifting or floating during construction and use, ensuring waterproofing and enhancing the connection stability of the concrete structure.

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Abstract

The utility model relates to the technical field of constructional engineering, in particular to a steel bar frame structure for pouring an expansion reinforcing band, which comprises a steel bar cage defined by an upper steel bar frame and a lower steel bar frame and a water stop steel plate mounted in the steel bar cage, and the two sides of the water stop steel plate are fixedly connected to the two steel bar frames through connecting steel bars; fast-easy closing-up nets are further installed between the waterstop steel plate and the steel bar frame, one ends of the two fast-easy closing-up nets clamp the upper side and the lower side of the waterstop steel plate, one ends of the fast-easy closing-up nets are fixedly connected to the waterstop steel plate, and the other ends of the fast-easy closing-up nets are fixedly connected to the steel bar frame; supporting single bodies are installed in the reinforcement cage in the extending direction of the fast and easy closing-in net at intervals and used for supporting the easy closing-in net. On one hand, the water stop steel plate is preliminarily fixed through the connecting steel bars; and on the other hand, the water stop steel plate can be clamped and fixed by means of the fast and easy closing net, so that the installation stability of the water stop steel plate is further improved, and the water stop steel plate is not prone to deviating or floating in the subsequent construction process and the process of being put into use.
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Description

Technical Field

[0001] This application relates to the field of building engineering technology, and in particular to a steel frame structure for casting expansion-strengthened strips. Background Technology

[0002] During the construction of the foundation slab, especially for large-volume and ultra-long concrete foundation slabs, various structural cracks often occur due to factors such as temperature differences, excessive heat of cement hydration, improper construction techniques, uneven settlement, and environmental factors. In addition, the shrinkage and deformation of hardened concrete caused by its huge volume and long curing process can also lead to these cracks. These cracks not only affect the durability and safety of the structure, but may also affect subsequent decoration and use.

[0003] Therefore, during construction, expansion reinforcement strips are typically installed to form a micro-expansion "reinforced grid" within the structure. Concrete with varying expansion properties is then used for pouring to address overall structural cracking and achieve seamless, integrated construction of large-volume, ultra-long foundation slabs. Simultaneously, to address the water-stopping issue, water-stop steel plates are usually pre-embedded at the expansion reinforcement strips to create a water-stop structure at that location.

[0004] However, in traditional construction processes, the waterstop steel plate is usually supported and welded to both sides using simple steel bars. During subsequent construction and use, the waterstop steel plate is prone to shifting or floating, leading to a decrease in waterproofing effectiveness. Therefore, further improvements are needed. Utility Model Content

[0005] To further improve the installation stability of the waterstop steel plate and prevent it from shifting or floating during subsequent construction and use, this application provides a steel reinforcement frame structure for casting expansion-strengthened strips.

[0006] The technical solution provided in this application for a steel reinforcement frame structure for casting expansion-strengthened strips is as follows:

[0007] A reinforcing steel frame structure for casting expansion-strengthened strips includes a reinforcing cage formed by upper and lower reinforcing steel frames and a water-stop steel plate installed inside the reinforcing cage. The upper and lower sides of the water-stop steel plate are respectively welded to the upper and lower reinforcing steel frames via connecting steel bars. Quick-closing mesh is also installed between the upper and lower sides of the water-stop steel plate and the reinforcing steel frames on both sides. One end of each quick-closing mesh clamps the upper and lower sides of the water-stop steel plate, and one end of each quick-closing mesh is fixedly connected to the water-stop steel plate, while the other end is fixedly connected to the corresponding side of the reinforcing steel frame. Supporting units are arranged at intervals inside the reinforcing cage along the extension direction of the quick-closing mesh to support it.

[0008] By adopting the above technical solution, on the one hand, the waterstop steel plate is initially fixed by connecting the reinforcing bars; on the other hand, when installing the quick-closing mesh, the waterstop steel plate can be clamped and fixed by the quick-closing mesh on both sides, so as to further improve the installation stability of the waterstop steel plate, making it less likely to shift or float during subsequent construction and use, thus ensuring the waterproof effect.

[0009] Optionally, the two quick-closing meshes are arranged at an angle, with the end of the quick-closing mesh away from the waterstop steel plate extending vertically and inserted into the corresponding side of the reinforcing steel frame for fixation.

[0010] By adopting the above technical solution, on the one hand, after the quick-closing mesh is installed, the quick-closing mesh on both sides can clamp and reinforce the water-stop steel plate; on the other hand, since the quick-closing mesh on both sides is arranged at an angle, it forms a sawtooth-shaped forming connection section at this position after it is poured and formed, making the connection between the concrete structures on both sides more stable.

[0011] Optionally, the included angle between the two quick-closing meshes is 80°-120°.

[0012] Optionally, the supporting unit includes a vertical pipe, a first diagonal brace, and a second diagonal brace; the upper and lower ends of the vertical pipe are respectively inserted into and connected to the upper and lower steel reinforcement frames, and the vertical pipe supports the upper and lower simple closing nets connected to one end of the steel reinforcement frame; the first diagonal brace and the second diagonal brace are arranged vertically, and both the first diagonal brace and the second diagonal brace are diagonally supported and connected to the vertical pipe at one end and diagonally supported and connected to the lower steel reinforcement frame at the other end.

[0013] By adopting the above technical solution, after the support unit is installed, the support treatment of the upper and lower quick-closing nets is achieved under the action of the first diagonal brace, the second diagonal brace, and the riser, and the support effect is relatively good.

[0014] Optionally, both the first and second diagonal braces include a double-ended connecting cylinder and a first connecting rod and a second connecting rod threaded to both ends of the double-ended connecting cylinder. The threads at both ends of the double-ended connecting cylinder are arranged in opposite directions, and a handle is provided on the outer wall of the double-ended connecting cylinder. The first connecting rod is hinged to the riser, and the second connecting rod is hinged to the lower steel reinforcement frame.

[0015] By adopting the above technical solution, during the installation process, the double-ended connecting cylinder can be rotated using the handle on the double-ended connecting cylinder, thereby adjusting its length to achieve adjustable support, which facilitates specific installation, adjustment and construction.

[0016] Optionally, the distance between two adjacent support units is 400mm-600mm.

[0017] Optionally, the connecting steel bars are arranged at intervals along the length of the waterstop steel plate, and the distance between two adjacent connecting steel bars is 100mm-150mm.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] 1. On the one hand, the waterstop steel plate is initially fixed by connecting the reinforcing bars; on the other hand, when installing the quick-closing mesh, the waterstop steel plate can be clamped and fixed by the quick-closing mesh on both sides, so as to further improve the installation stability of the waterstop steel plate, so that it is not easy to shift or float during the subsequent construction process and use, so as to ensure the waterproof effect.

[0020] 2. On the one hand, after the quick-closing mesh is installed, the quick-closing mesh on both sides can clamp and reinforce the water-stop steel plate; on the other hand, since the quick-closing mesh on both sides is arranged at an angle, it forms a sawtooth-shaped forming connection section at this position after it is poured and formed, making the connection between the concrete structures on both sides more stable.

[0021] 3. After the support unit is installed, the first diagonal brace, the second diagonal brace, and the riser will provide support for the upper and lower quick-closing nets, and the support effect is relatively good. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of a steel reinforcement frame structure for casting expansion reinforcement strips according to this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Reinforcing cage; 2. Reinforcing frame; 3. Waterstop steel plate; 4. Connecting reinforcing bars; 5. Quick-closing mesh; 6. Riser; 7. First diagonal brace; 8. Second diagonal brace; 71. Double-ended connecting tube; 72. First connecting rod; 73. Second connecting rod; 74. Handle. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1 This application will be described in further detail.

[0026] This application discloses a steel reinforcement frame structure for casting expansion-strengthened strips.

[0027] Reference Figure 1 A steel reinforcement frame structure for casting expansion reinforcement strip includes a steel cage 1 enclosed by two steel reinforcement frames 2 and a waterstop steel plate 3 installed in the steel cage 1. The upper and lower sides of the waterstop steel plate 3 are respectively welded to the upper and lower steel reinforcement frames 2 by connecting steel bars 4.

[0028] In this embodiment, the connecting steel bars 4 are arranged at intervals along the length of the waterstop steel plate 3, and the distance between two adjacent connecting steel bars 4 is 100mm-150mm. Preferably, the distance between two adjacent connecting steel bars 4 is 100mm.

[0029] Quick-closing mesh 5 is installed between the upper and lower sides of the waterstop steel plate 3 and the two side steel reinforcement frames 2. Two quick-closing meshes 5 are arranged at an angle, clamping the upper and lower sides of the waterstop steel plate 3. One end of each quick-closing mesh 5 is fixedly connected to the waterstop steel plate 3, and the other end is fixedly connected to the corresponding side of the steel reinforcement frame 2, further improving the installation stability of the waterstop steel plate 3. Supporting units are installed at intervals inside the steel reinforcement cage 1 along the extension direction of the quick-closing mesh 5 to support the mesh.

[0030] In this embodiment, the included angle between the two quick-closing meshes 5 is 80°-120°, preferably 90°. The end of the quick-closing mesh 5 connected to the water-stop steel plate 3 is fixed by welding, and the end of the quick-closing mesh 5 connected to the reinforcing steel frame 2 extends vertically and is inserted into the corresponding side of the reinforcing steel frame 2, and is fixed by welding.

[0031] Specifically, in this embodiment, the distance between the supporting units is 400mm-600mm, preferably 500mm.

[0032] The support unit includes a vertical pipe 6, a first diagonal brace 7, and a second diagonal brace 8. The upper and lower ends of the vertical pipe 6 are inserted into and welded to the upper and lower steel reinforcement frames 2, respectively. The vertical pipe 6 supports the upper and lower simple constriction meshes connected to one end of the steel reinforcement frame 2. The first diagonal brace 7 and the second diagonal brace 8 are arranged vertically, with one end of each diagonal brace 7 and the other end diagonally connected to the vertical pipe 6, thereby providing support for the upper and lower simple constriction meshes 5.

[0033] Specifically, both the first diagonal brace 7 and the second diagonal brace 8 include a double-ended connecting cylinder 71 and a first connecting rod 72 and a second connecting rod 73 threadedly connected to both ends of the double-ended connecting cylinder 71. The outer wall of the double-ended connecting cylinder 71 has two symmetrically arranged U-shaped handles 74. The threads at both ends of the double-ended connecting cylinder 71 are reversed. The first connecting rod 72 is hinged to the riser 6, and the second connecting rod 73 is hinged to the lower reinforcing bar frame 2.

[0034] During installation, the double-ended connecting cylinder 71 can be rotated using the handle 74 on the double-ended connecting cylinder 71, thereby adjusting its length to achieve adjustable support, which facilitates specific installation, adjustment and construction.

[0035] The implementation principle is as follows: During the construction process of installing the waterstop steel plate 3, on the one hand, the waterstop steel plate 3 is initially fixed by connecting the reinforcing bars 4; on the other hand, when installing the quick-closing mesh 5, the waterstop steel plate 3 can be clamped and fixed by the quick-closing mesh 5 on both sides, so as to further improve the installation stability of the waterstop steel plate 3, so that it is not easy to shift or float during the subsequent construction process and the use process, so as to ensure the waterproof effect.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A steel reinforcement frame structure for casting expansion-strengthened strips, characterized in that: The steel cage (1) is formed by two upper and lower steel reinforcement frames (2) and a water-stop steel plate (3) installed inside the steel cage (1). The upper and lower sides of the water-stop steel plate (3) are respectively fixedly connected to the upper and lower steel reinforcement frames (2) by connecting steel bars (4). A quick-closing mesh (5) is also installed between the upper and lower sides of the water-stop steel plate (3) and the steel reinforcement frames (2) on both sides. One end of the two quick-closing meshes (5) clamps the upper and lower sides of the water-stop steel plate (3), and one end of the quick-closing mesh (5) is fixedly connected to the water-stop steel plate (3), and the other end is fixedly connected to the corresponding side of the steel reinforcement frame (2). Support units are arranged at intervals inside the steel cage (1) along the extension direction of the quick-closing mesh (5) to support the quick-closing mesh.

2. The steel reinforcement frame structure for casting expansion-strengthened strips according to claim 1, characterized in that: The two quick-closing meshes (5) are arranged at an angle, and the end of the quick-closing mesh (5) away from the water-stop steel plate (3) extends vertically and is inserted into the corresponding side of the steel frame (2) for fixation.

3. The steel reinforcement frame structure for casting expansion-strengthened strips according to claim 2, characterized in that: The included angle between the two quick-closing meshes (5) is 80°-120°.

4. The steel reinforcement frame structure for casting expansion-strengthened strips according to claim 2, characterized in that: The supporting unit includes a vertical pipe (6), a first diagonal brace (7), and a second diagonal brace (8); the upper and lower ends of the vertical pipe (6) are respectively inserted into and connected to the upper and lower steel reinforcement frames (2), and the vertical pipe (6) supports the upper and lower simple closing nets connected to one end of the steel reinforcement frame (2); the first diagonal brace (7) and the second diagonal brace (8) are arranged vertically, and the first diagonal brace (7) and the second diagonal brace (8) are both diagonally supported and connected to the vertical pipe (6) at one end and diagonally supported and connected to the lower steel reinforcement frame (2) at the other end.

5. A steel reinforcement frame structure for casting expansion-strengthened strips according to claim 2, characterized in that: The first diagonal brace (7) and the second diagonal brace (8) both include a double-ended connecting cylinder (71) and a first connecting rod (72) and a second connecting rod (73) threaded to both ends of the double-ended connecting cylinder (71). The threads at both ends of the double-ended connecting cylinder (71) are arranged in opposite directions, and a handle (74) is provided on the outer wall of the double-ended connecting cylinder (71). The first connecting rod (72) is hinged to the riser (6), and the second connecting rod (73) is hinged to the lower steel bar frame (2).

6. The steel reinforcement frame structure for casting expansion-strengthened strips according to claim 2, characterized in that: The distance between two adjacent support units is 400mm-600mm.

7. The steel reinforcement frame structure for casting expansion-strengthened strips according to claim 2, characterized in that: The connecting steel bars (4) are arranged at intervals along the length of the waterstop steel plate (3), and the distance between two adjacent connecting steel bars (4) is 100mm-150mm.