Device for preventing concrete at root of outer side of anti-collision wall of viaduct from falling
By installing stainless steel protective plates and fixing devices on the outside of the overpass anti-collision wall, the concrete fall problem is solved, stable fixation and corrosion resistance are achieved, and the service life of the bridge is extended.
Patent Information
- Application Number
- CN202421104508.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The concrete at the outer root of the viaduct anti-collision wall is prone to fall, which affects the safety and aesthetics of the bridge, and it is difficult for the prior art to effectively prevent falls.
Stainless steel protective plates, waterproof rubber gaskets and fixing devices are used to fix the stainless steel protective plates on the concrete at the outside of the viaduct anti-collision wall to prevent falling.
The concrete at the outer root of the viaduct anti-collision wall is achieved, which extends the service life of the bridge, avoids the risk of falling, and is suitable for customization of concrete of different sizes.
Smart Images
Figure CN222294702U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a device for preventing concrete from falling at the root of the outer side of an anti-collision wall of an elevated bridge, belonging to the technical field of high-altitude anti-falling of bridges. Background Art
[0002] With the rapid development of urban construction, as an important part of urban transportation, the safety and stability of viaducts are directly related to the safety of people's lives and property, and have attracted more and more attention. However, in the actual operation process, due to factors such as poor concrete quality or insufficient thickness of the protective layer, natural environment, vehicle driving, etc., the concrete at the root of the outer side of the crash barrier may be damaged or fall off, which not only affects the appearance of the bridge, but also poses a serious safety hazard to pedestrians and vehicles below. Therefore, how to effectively prevent the fall of the concrete at the root of the outer side of the crash barrier of the viaduct has become an urgent problem to be solved in the current bridge engineering field. Utility Model Content
[0003] In view of the above-mentioned defects in the above-mentioned prior art, the utility model proposes a device system for preventing the concrete at the root of the outer side of the viaduct crash wall from falling, so as to solve the problem that the concrete at the root of the outer side of the viaduct crash wall is easy to fall in the prior art.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0005] A device for preventing concrete from falling at the root of the outer side of an elevated bridge crash wall, comprising a stainless steel protective plate, a waterproof rubber gasket and a fixing device; the stainless steel protective plate is in an elongated strip shape, and its size matches the size of the concrete at the root of the elevated bridge crash wall, and corresponding reserved holes are provided on the stainless steel protective plate and the elevated bridge crash wall; the fixing device comprises expansion bolts and nuts, which cooperate with the nuts, and the nuts are arranged on the outer side of the stainless steel protective plate; the waterproof rubber gasket is sleeved on the expansion bolts, and its size is adapted to the expansion bolts, and is placed between the stainless steel protective plate and the elevated bridge crash wall to prevent water vapor from penetrating into the wall through the reserved holes on the elevated bridge crash wall; the expansion bolts pass through the reserved holes on the stainless steel protective plate from the outside, and the stainless steel protective plate is fixed to the concrete at the root of the outer side of the elevated bridge crash wall by tightening the nuts.
[0006] Furthermore, the stainless steel protective plate is a 3 mm thick 304 stainless steel protective plate.
[0007] Furthermore, the waterproof rubber gasket is in a circular ring shape.
[0008] Furthermore, the cross section of the stainless steel protection plate is L-shaped.
[0009] Furthermore, the L-shaped stainless steel protective plate includes an outer long strip plate, a bottom plate and an inner hook plate; the L-shaped stainless steel protective plate half wraps the outer root concrete of the viaduct crash barrier.
[0010] Furthermore, the viaduct crash barriers are arranged in groups, and the device for preventing the concrete from falling at the root of the outer side of the viaduct crash barriers is connected and arranged between two adjacent groups of viaduct crash barriers.
[0011] Furthermore, the reserved holes on the stainless steel protective plate are in the shape of long strips, and the reserved holes on the viaduct crash barrier are in the shape of circles.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The utility model installs a side-mounted 3mm304 stainless steel protection plate on the outside of the viaduct, and uses the support and fixing function of the fixing device to make the stainless steel protection plate fit closely with the concrete at the root of the viaduct anti-collision wall, thereby preventing the concrete from falling. At the same time, the stainless steel protection plate has good corrosion resistance and durability, and can effectively extend the service life of the viaduct.
[0014] In summary, the utility model has the following advantages:
[0015] 1. The structure is simple and easy to install, and there is no need to make large-scale changes to the original viaduct structure.
[0016] 2. Made of stainless steel, it has good corrosion resistance and durability, and can effectively prevent the fall of concrete for a long time.
[0017] 3. The fixing device can achieve stable fixation of the stainless steel protective plate to avoid shaking caused by wind and other factors.
[0018] 4. It can be customized according to the actual size of the concrete at the root of the viaduct crash wall, and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 The utility model is a schematic diagram of the structure of a device for preventing concrete from falling at the root of the outer side of an elevated bridge anti-collision wall. DETAILED DESCRIPTION
[0020] The following is combined with Figure 1 The utility model is further described in detail with specific implementations to facilitate a clear understanding of the utility model, but they do not constitute a limitation on the utility model.
[0021] As attached Figure 1As shown, a device for preventing the concrete at the root of the outer side of the viaduct crash wall of this embodiment from falling includes a stainless steel protective plate 1, a waterproof rubber gasket 2, and a fixing device. The stainless steel protective plate 1 is in the shape of a long strip and is a 3mm thick 304 stainless steel protective plate, and its size matches the size of the concrete at the root of the viaduct crash wall 5. Among them, the cross-section of the stainless steel protective plate 1 is L-shaped, including an outer long strip plate 11, a bottom plate 12, and an inner hook plate 13. The L-shaped stainless steel protective plate 1 half wraps the concrete at the root of the outer side of the viaduct crash wall 5.
[0022] like Figure 1 As shown, the stainless steel protective plate 1 and the viaduct crash wall 5 are both provided with corresponding reserved holes 4, wherein the reserved holes 4 on the stainless steel protective plate 1 are in the shape of an elongated strip, and the reserved holes 4 on the viaduct crash wall 5 are in the shape of a circle. The fixing device includes an expansion bolt 31 and a nut 32, the expansion bolt 31 and the nut 32 cooperate, and the nut 32 is arranged on the outside of the stainless steel protective plate 1. The waterproof rubber gasket 2 is in the shape of a circular ring, which is sleeved on the expansion bolt 31, and its size is adapted to the expansion bolt 31, and is placed between the stainless steel protective plate 1 and the viaduct crash wall 5 to prevent water vapor from penetrating into the wall through the reserved holes 4 on the viaduct crash wall 5. The expansion bolt 31 passes through the reserved hole 4 on the stainless steel protective plate 1 from the outside, and fixes the stainless steel protective plate 1 to the concrete at the root of the outer side of the viaduct crash wall 5 by tightening the nut 32.
[0023] In this embodiment, the viaduct crash barriers 5 are arranged in groups, and a device for preventing the concrete from falling at the root of the outer side of the viaduct crash barriers is connected and arranged between two adjacent groups of viaduct crash barriers 5 .
[0024] The above is only a preferred embodiment of the utility model, and does not impose any formal restrictions on the structure of the utility model. The layout type and the number of uses of the utility model are not limited to this example, and can be optimized and selected according to the actual project. Any modification, equivalent change and decoration of the above embodiment based on the technical principle of the utility model that does not deviate from the content of the technical solution of the utility model is still within the scope of the technical solution of the utility model.
Claims
1. A device for preventing concrete from falling at the outer root of a viaduct anti-collision wall, characterized in that: The invention comprises a stainless steel protective plate (1), a waterproof rubber gasket (2) and a fixing device; the stainless steel protective plate (1) is in an elongated strip shape, and its size matches the size of the concrete at the root of the viaduct crash wall (5); the stainless steel protective plate (1) and the viaduct crash wall (5) are both provided with corresponding reserved holes (4); the fixing device comprises an expansion bolt (31) and a nut (32); the expansion bolt (31) and the nut (32) cooperate, and the nut (32) is arranged on the outside of the stainless steel protective plate (1); the waterproof rubber gasket (2) is sleeved on the expansion bolt (31), and its size matches the expansion bolt (31), and is placed between the stainless steel protective plate (1) and the viaduct crash wall (5); the expansion bolt (31) passes through the reserved hole (4) on the stainless steel protective plate (1) from the outside, and fixes the stainless steel protective plate (1) to the concrete at the root of the outside of the viaduct crash wall (5) by tightening the nut (32).
2. The device for preventing concrete from falling at the outer root of the viaduct anti-collision wall according to claim 1 is characterized in that: The stainless steel protective plate (1) is a 3 mm thick 304 stainless steel protective plate.
3. The device for preventing concrete from falling at the root of the outer side of the viaduct anti-collision wall according to claim 1 is characterized by: The waterproof rubber gasket (2) is in the shape of a ring.
4. The device for preventing concrete from falling at the outer root of the viaduct anti-collision wall according to claim 1 is characterized in that: The cross section of the stainless steel protection plate (1) is L-shaped.
5. The device for preventing concrete from falling at the outer root of the viaduct crash wall according to claim 4 is characterized by: The L-shaped stainless steel protection plate (1) comprises an outer long strip plate (11), a bottom plate (12) and an inner hook plate (13); the L-shaped stainless steel protection plate (1) half wraps the outer root concrete of the viaduct crash barrier (5).
6. The device for preventing concrete from falling at the outer root of the viaduct anti-collision wall according to claim 1 is characterized by: The viaduct crash barriers (5) are arranged in groups, and a device for preventing the concrete from falling off at the root of the outer side of the viaduct crash barriers is connected and arranged between two adjacent groups of viaduct crash barriers (5).
7. The device for preventing concrete from falling at the outer root of the viaduct anti-collision wall according to claim 1 is characterized by: The reserved holes (4) on the stainless steel protection plate (1) are in the shape of long strips, and the reserved holes (4) on the viaduct crash barrier (5) are in the shape of circles.