Reinforcing structure for side wall hole body at metro connection position

By combining the inner structure with the cut steel bars for reinforcement, and the outer structure with the opening for sealing and waterproofing, the problem of uneven stress transmission was solved, and the stability and waterproof performance of the side wall opening at the subway connection point were improved.

CN224106963UActive Publication Date: 2026-04-10CHINA HUASHI ENTERPRISES CO LTD (SICHUAN)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA HUASHI ENTERPRISES CO LTD (SICHUAN)
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Cut steel bars cannot be directly integrated with the reinforced structure, resulting in uneven stress transmission, which can easily lead to localized stress concentration and cause structural damage and cracks.

Method used

The structure is reinforced by combining an inner layer with sheared steel bars, and waterproofed by an outer layer. The inner layer includes top and side support structures connected to the steel bars, while the outer layer is fixed to the opening by U-shaped plates to form a sealed waterproof layer.

Benefits of technology

It achieves uniform stress transfer in the connection area, enhances the stability and load-bearing capacity of the structure, prevents moisture intrusion, and reduces the risk of structural damage and corrosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reinforcing structure for a side wall hole body at a metro connection position, belongs to the technical field of reinforcing structures, and solves the problems that in the prior art, a sheared steel bar cannot be directly matched with a reinforcing structure, uneven stress transmission is easily caused, local stress is concentrated, the structure is easily damaged, cracks are easily generated and the like. The utility model comprises an inner layer structure which is matched with sheared steel bars to reinforce a hole body, and an outer layer structure which is matched with the inner layer structure to reinforce the hole body and carry out waterproof treatment. The reinforcing device is used for reinforcing the side wall hole body at the metro connection position.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a subway connection place side wall hole body reinforcing structure for reinforcing subway connection place side wall hole body belongs to reinforcing structure technical field. BACKGROUND

[0002] After the subway side wall is opened, the hole needs to be reinforced. This is because the opening may affect the integrity and stability of the structure, especially in underground environments, the safety of the structure is crucial. The opening will destroy the integrity of the original structure, may cause stress concentration and structural deformation, so reinforcement is needed to restore or enhance the load-bearing capacity of the structure. As an important public transportation facility, the safety of the subway is crucial. Reinforcing the hole can ensure the safety of passengers and staff. In earthquake-prone areas, reinforcing the hole can improve the seismic resistance of the structure and prevent damage near the hole during an earthquake. Reinforcement can increase the durability of the structure, prolong its service life, and reduce long-term maintenance costs.

[0003] The subway side wall is usually reinforced with steel bars, which are an important part of concrete structures. They are used to enhance the tensile strength of concrete and withstand various external loads. When the subway connection place side wall is opened, the steel bars are cut, which weakens the load-bearing capacity of the side wall. Although the existing technology can reinforce the subway connection place side wall hole body, there are still the following technical problems:

[0004] The cut steel bars cannot directly cooperate with the reinforcing structure, which can cause uneven stress transmission, leading to local stress concentration and causing structural damage, cracks, and other problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a subway connection place side wall hole body reinforcing structure, which solves the problem that the cut steel bars cannot directly cooperate with the reinforcing structure in the prior art, which can cause uneven stress transmission, leading to local stress concentration and causing structural damage, cracks, and other problems.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A subway connection place side wall hole body reinforcing structure, comprising an inner layer structure that cooperates with the cut steel bars to reinforce the hole body, and an outer layer structure that cooperates with the inner layer structure to reinforce the hole body and waterproof treatment.

[0008] Further, the inner layer structure comprises a top support structure that cooperates with the top longitudinal steel bars cut in the hole body, and a side support structure that cooperates with the side horizontal steel bars cut in the hole body and cooperates with the top support structure.

[0009] Further, the top support structure comprises a support horizontal plate, a plurality of through holes A provided on the support horizontal plate for the cut longitudinal steel bars to pass through, and a fixing structure for fixing the support horizontal plate on the cut longitudinal steel bars in cooperation with the steel bars passing through the through holes A;

[0010] The side support structure comprises a support vertical plate in contact with the ground at the hole body and the support horizontal plate, a plurality of through holes B provided on the support vertical plate for the cut transverse steel bars to pass through, and a fixing structure for fixing the support horizontal plate on the cut transverse steel bars in cooperation with the steel bars passing through the through holes B.

[0011] Further, the fixing structure comprises two clamping pieces clamped on the longitudinal steel bars or the transverse steel bars, a semicircular external threaded clamping column provided on the clamping pieces and clamped on the longitudinal steel bars or the transverse steel bars, and a nut matched with the semicircular external threaded clamping column.

[0012] Further, a threaded groove is provided on one side of the top of the support vertical plate, and a bolt is arranged in the threaded groove to be in contact with and support the support horizontal plate.

[0013] Further, a threaded rod is arranged on the support horizontal plate and the support vertical plate.

[0014] The outer structure comprises a U-shaped plate A arranged on the top of the hole body, a plurality of through holes C provided on the U-shaped plate A for the threaded rods to pass through, a U-shaped plate B arranged on the side of the hole body and matched with the U-shaped plate A in a sealing manner, a plurality of through holes D provided on the U-shaped plate B for the threaded rods to pass through, and a waterproof injection hole arranged on the U-shaped plate A.

[0015] The threaded rods are matched with the fixing nuts to fix the outer structure on the inner structure.

[0016] Further, the U-shaped plate A comprises a U-shaped groove body A, and extension blocks A arranged on the side walls at both ends of the U-shaped groove body A.

[0017] The U-shaped plate B comprises a U-shaped groove body B, a sealing gasket A arranged on the top of the U-shaped groove body B and matched with the U-shaped groove body A and the extension blocks A in a sealing manner, and a sealing gasket B arranged on the bottom of the U-shaped groove body B and matched with the ground in a sealing manner.

[0018] Further, rubber strips matched with the hole body are arranged on the U-shaped plate A and the U-shaped plate B, and the rubber strips 29 on the matched ends of the U-shaped plate A 18 and the U-shaped plate B 20 are in contact.

[0019] Further, a sealing gasket C is sleeved on the threaded rod and matched with the fixing nut.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0022] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0023] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0024] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0025] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0026] The utility model discloses a reinforcing structure for the side wall hole of the subway, which comprises an inner layer structure and an outer layer structure.

[0027] The U-shaped plate A and the U-shaped plate B in the utility model can be sealed and matched with the sealing gasket A through the extension block A and the U-shaped groove body A, the sealing gasket B is matched with the ground, the U-shaped plate A and the U-shaped plate B are provided with rubber strips matched with the hole body, the sealing gasket C and the fixed nut are sleeved on the screw rod, a sealing structure can be formed, and the problem that leakage is prone to occurring when waterproof material is injected through the waterproof injection hole can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for the ordinary skilled person in the art, other related drawings can also be obtained according to these drawings without creative labor.

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is a structural schematic diagram of the inner layer structure in the utility model;

[0031] Figure 3 It is a partial structural schematic diagram of Figure 2 ;

[0032] Figure 4 It is a structural schematic diagram of the fixed structure in the utility model;

[0033] Figure 5 It is a structural schematic diagram of the outer layer structure in the utility model;

[0034] In the drawing: 1-inner layer structure, 2-outer layer structure, 3-longitudinal steel bar, 4-top support structure, 5-transverse steel bar, 6-side support structure, 7-supporting cross plate, 8-through hole A, 9-fixed structure, 10-supporting vertical plate, 11-through hole B, 12-clamping piece, 13-semi-circular external thread clamping column, 14-nut, 15-thread groove, 16-bolt, 17-screw rod, 18-U-shaped plate A, 19-through hole C, 20-U-shaped plate B, 21-through hole D, 22-waterproof injection hole, 23-fixed nut, 24-U-shaped groove body A, 25-extension block A, 26-U-shaped groove body B, 27-sealing gasket A, 28-sealing gasket B, 29-rubber strip, 30-sealing gasket C. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0037] In the description of the utility model, it needs to be explained that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0038] In addition, if the terms "first", "second", "third" and the like appear, they are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0039] In addition, if the terms "horizontal", "vertical", "overhanging" and the like do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0040] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "setting", "mounting", "connecting", "connection" and the like appear, they should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] It needs to be explained that, in the case of no conflict, the features in the embodiments of the utility model can be combined with each other.

[0042] In order to solve the problem that the sheared steel bars cannot be directly matched with the reinforcing structure in the prior art, stress is not uniformly transmitted, local stress concentration is caused, and the structure is easily damaged and cracks are easily generated. Figures 1-5 As shown in the figure, a side wall hole body reinforcing structure at a subway connection position is provided, which comprises an inner layer structure 1 matched with the sheared steel bars to reinforce the hole body, and an outer layer structure 2 matched with the inner layer structure 1 to reinforce and waterproof the hole body.

[0043] In practice, after the side wall hole body at the subway connection position is opened, the inner layer structure is matched with the sheared steel bars to reinforce and support the hole body, and the outer layer structure 2 is further matched with the hole body to reinforce and waterproof the hole body. In this embodiment, the inner layer structure matched with the sheared steel bars is arranged at the hole opening position of the side wall at the subway connection position to reinforce the hole body, stress is uniformly transmitted, local stress concentration is reduced, the stability of the structure is improved, the load bearing capacity of the side wall hole body is enhanced, the load bearing capacity of the structure is restored or enhanced, the safety of the structure under various external loads is ensured, and cracks and other problems are avoided. The outer layer structure is matched with the inner layer structure and the hole body to further reinforce the hole opening position, and it is also convenient to waterproof the gap between the inner layer structure, the outer layer structure and the hole body, so that water intrusion into the side wall hole body is prevented and structural problems caused by water are reduced.

[0044] Embodiment 2

[0045] On the basis of embodiment 1, the inner layer structure 1 comprises a top support structure 4 matched with the sheared longitudinal steel bars 3 at the top of the hole body, and a side support structure 6 matched with the sheared transverse steel bars 5 at the side of the hole body and matched with the top support structure 4. In this embodiment, the top support structure and the side support structure are respectively matched with the sheared longitudinal steel bars and the sheared transverse steel bars to apply support force to the sheared steel bars, so as to uniformly transmit stress in the connecting area and reduce local stress concentration, thereby reducing the risk of structural damage.

[0046] Embodiment 3

[0047] On the basis of embodiment 2, the top support structure 4 comprises a support horizontal plate 7, a plurality of through holes A 8 are arranged on the support horizontal plate 7 for the sheared longitudinal steel bars 3 to pass through, and a fixing structure 9 is matched with the longitudinal steel bars 3 passing through the through holes A 8 to fix the support horizontal plate 7 on the sheared longitudinal steel bars 3; that is, the sheared longitudinal steel bars pass through the through holes A, and the support horizontal plate is fixed on the sheared longitudinal steel bars by the fixing structure.

[0048] The side support structure 6 comprises a support vertical plate 10 in contact with the ground at the hole body and the support horizontal plate 7, a plurality of through holes B11 through which the cut transverse steel bars 5 pass are arranged on the support vertical plate 10, and a fixing structure 9 for fixing the support horizontal plate 7 on the cut transverse steel bars 5 in cooperation with the transverse steel bars 5 passing through the through holes B11. That is, the cut transverse steel bars pass through the through holes B, and the support vertical plate is fixed on the cut transverse steel bars by the fixing structure.

[0049] In the embodiment, the top support structure and the side support structure are respectively provided with the through holes A and the through holes B through which the cut longitudinal steel bars and the cut transverse steel bars pass, and are fixed by the fixing structure. Therefore, the cut steel bars can be firmly fixed, and the support force can be provided by the support horizontal plate and the support vertical plate to ensure the stability of the structure under load.

[0050] Embodiment 4

[0051] Based on the embodiment 3, the fixing structure 9 comprises two clamping pieces 12 clamped on the longitudinal steel bars 3 or the transverse steel bars 5, a semicircular external thread clamping column 13 clamped on the longitudinal steel bars 3 or the transverse steel bars 5 arranged on the clamping pieces, and a nut 14 cooperating with the semicircular external thread clamping column 13. In practice, the fixing structure 9 clamps the clamping pieces 12 and the semicircular external thread clamping column 13 on the longitudinal steel bars on one side of the bottom of the support horizontal plate or on the transverse steel bars on one side of the hole body, and is clamped and fixed by the screw thread cooperation with the external thread on the semicircular external thread clamping column 13. Therefore, the steel bars can be effectively clamped, and the support horizontal plate and the support vertical plate can be firmly fixed on the cut longitudinal steel bars and the cut transverse steel bars.

[0052] Embodiment 5

[0053] Based on the embodiment 4, a threaded groove 15 is arranged on one side of the top of the support vertical plate 10, and a bolt 16 is arranged in the threaded groove 15 to contact and support the support horizontal plate 7. In practice, the bolt is screwed into the threaded groove in cooperation with the rotation of the threaded groove when the support vertical plate cooperates with the cut transverse steel bars, so as to reduce the friction with the support horizontal plate during installation, which is beneficial to the installation. Conversely, the bolt is screwed out of the threaded groove to provide support force to the support horizontal plate by the support vertical plate. Of course, other structures can also be used in practice.

[0054] Embodiment 6

[0055] On the basis of Embodiment 5, the support horizontal plate 7 and the support vertical plate 10 are provided with a screw rod 17; the outer layer structure 2 comprises a U-shaped plate A 18 arranged on the top of the hole body, a through hole C 19 provided on the U-shaped plate A 18 for accommodating the screw rod 17 to pass through, a U-shaped plate B 20 arranged on the side of the hole body and sealingly matched with the U-shaped plate A 18, a through hole D 21 provided on the U-shaped plate B 20 for accommodating the screw rod 17 to pass through, and a waterproof injection hole 22 provided on the U-shaped plate A 18; the screw rod 17 is matched with a fixing nut 23 to fix the outer layer structure 2 on the inner layer structure 1. In practice, the U-shaped plate A 18 is first arranged on the top of the hole body, the support horizontal plate is arranged in the U-shaped plate A 18, the screw rod 17 on the support horizontal plate passes through the through hole C and is matched with the fixing nut, then the U-shaped plate B 20 is arranged on the side of the hole body, the screw rod 17 on the support vertical plate passes through the through hole D and is matched with the fixing nut, and meanwhile, the U-shaped plate A 18 and the U-shaped plate B 20 are required to be in contact and sealingly matched. After being fixed, waterproof material (such as waterproof paint) can be injected through the waterproof injection hole 22 provided on the U-shaped plate A, and the waterproof layer is formed between the inner layer structure and the outer layer structure and between the inner layer structure and the outer layer structure and the hole body by the flowability of the waterproof material, which not only can repair the damaged waterproof layer of the hole body, but also can effectively reduce the risk of corrosion of the connecting steel bars, and the fixed U-shaped plate B 20 and the U-shaped plate A 18 can further support the hole body.

[0056] Embodiment 7

[0057] On the basis of Embodiment 6, the U-shaped plate A 18 comprises a U-shaped groove body A 24 and an extension block A 25 arranged on the side wall at both ends of the U-shaped groove body A 24; the U-shaped plate B 20 comprises a U-shaped groove body B 26, a sealing gasket A 27 arranged on the top of the U-shaped groove body B 26 and sealingly matched with the U-shaped groove body A 24 and the extension block A 25, and a sealing gasket B 28 arranged on the bottom of the U-shaped groove body B 26 and sealingly matched with the ground, and the sealing gaskets A 27 and B 28 are compressible or resettable, facilitating the installation of the U-shaped groove body B 26 and the sealing with the adjacent structure. Rubber strips 29 are arranged on the U-shaped plates A 18 and B 20 and matched with the hole body, and the rubber strips 29 at the matched ends of the U-shaped plates A 18 and B 20 are in contact to form a seal at the connection. A sealing gasket C 30 is sleeved on the screw rod 17 and matched with the fixing nut 23. In practice, the U-shaped plates A and B can be sealingly matched with the sealing gaskets A and B through the extension blocks A and the U-shaped groove bodies A, the sealing gaskets B are sealingly matched with the ground, the rubber strips are arranged on the U-shaped plates A and B and sealingly matched with the hole body, and the sealing gasket C is sleeved on the screw rod and matched with the fixing nut, so as to form a sealed structure, which can effectively avoid the leakage problem when injecting waterproof material through the waterproof injection hole.

Claims

1. A subway transfer side wall hole body reinforcing structure, characterized by: The inner layer structure (1) is used to reinforce the hole body in cooperation with the sheared steel bars, and the outer layer structure (2) is used to reinforce and waterproof the hole body in cooperation with the inner layer structure (1); The inner layer structure (1) comprises a top support structure (4) cooperating with the sheared longitudinal steel bars (3) on the top of the hole body, and a side support structure (6) cooperating with the sheared transverse steel bars (5) on the side of the hole body and cooperating with the top support structure (4); The top support structure (4) comprises a support horizontal plate (7), a plurality of through holes A (8) provided on the support horizontal plate (7) for the sheared longitudinal steel bars (3) to pass through, and a fixing structure (9) for fixing the support horizontal plate (7) on the sheared longitudinal steel bars (3) in cooperation with the longitudinal steel bars (3) passing through the through holes A (8); The side support structure (6) comprises a support vertical plate (10) in contact with the ground at the hole body and the support horizontal plate (7), a plurality of through holes B (11) provided on the support vertical plate (10) for the sheared transverse steel bars (5) to pass through, and a fixing structure (9) for fixing the support horizontal plate (7) on the sheared transverse steel bars (5) in cooperation with the transverse steel bars (5) passing through the through holes B (11); The fixing structure (9) comprises two clamping pieces (12) clamped on the longitudinal steel bars (3) or the transverse steel bars (5), a semicircular external thread clamping column (13) clamped on the longitudinal steel bars (3) or the transverse steel bars (5), and a nut (14) cooperating with the semicircular external thread clamping column (13).

2. The side wall hole reinforcing structure of a subway transfer place according to claim 1, characterized in that: A threaded groove (15) is provided on one side of the top of the support vertical plate (10), and a bolt (16) is provided in the threaded groove (15) to contact and support the support horizontal plate (7).

3. The side wall hole body reinforcing structure of a subway connecting place according to any one of claims 1-2, characterized in that: A threaded rod (17) is provided on the support horizontal plate (7) and the support vertical plate (10); The outer layer structure (2) comprises a U-shaped plate A (18) arranged on the top of the hole body, a through hole C (19) provided on the U-shaped plate A (18) for the threaded rod (17) to pass through, a U-shaped plate B (20) arranged on the side of the hole body and sealingly cooperating with the U-shaped plate A (18), a through hole D (21) provided on the U-shaped plate B (20) for the threaded rod (17) to pass through, and a waterproof injection hole (22) provided on the U-shaped plate A (18); The threaded rod (17) cooperates with a fixing nut (23) to fix the outer layer structure (2) on the inner layer structure (1).

4. The side wall hole reinforcing structure of a subway transfer place according to claim 3, characterized in that: The U-shaped plate A (18) comprises a U-shaped groove body A (24) and an extension block A (25) provided on the side walls at both ends of the U-shaped groove body A (24); The U-shaped plate B (20) comprises a U-shaped groove body B (26), a sealing gasket A (27) provided on the top of the U-shaped groove body B (26) and sealingly cooperating with the U-shaped groove body A (24) and the extension block A (25), and a sealing gasket B (28) provided on the bottom of the U-shaped groove body B (26) and sealingly cooperating with the ground.

5. The side wall hole reinforcing structure of a subway transfer place according to claim 4, characterized in that: Rubber strips (29) are provided on the U-shaped plate A (18) and the U-shaped plate B (20) and cooperate with the hole body, and the rubber strips (29) on the cooperating ends of the U-shaped plate A (18) and the U-shaped plate B (20) are in contact.

6. The side wall hole reinforcing structure of a subway transfer place according to claim 5, characterized in that: A sealing gasket C (30) is sleeved on the screw rod (17) and cooperates with the fixing nut (23).