CN215714740U - Bearing sound barrier and viaduct comprising same - Google Patents
Bearing sound barrier and viaduct comprising same Download PDFInfo
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- CN215714740U CN215714740U CN202120561996.9U CN202120561996U CN215714740U CN 215714740 U CN215714740 U CN 215714740U CN 202120561996 U CN202120561996 U CN 202120561996U CN 215714740 U CN215714740 U CN 215714740U
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Abstract
The utility model discloses a bearing sound barrier and a viaduct comprising the same, wherein the bearing sound barrier comprises a supporting frame, and an upper shutter sound-absorbing screen, a transparent sound-insulating plate and a lower shutter sound-absorbing screen are sequentially arranged on the inner side of the supporting frame from top to bottom; the upper shutter sound-absorbing screen and the lower shutter sound-absorbing screen are fixedly connected with the supporting frame; the top end of the transparent sound insulation plate is embedded in the bottom of the upper shutter sound absorption screen, and the bottom end of the transparent sound insulation plate is embedded in the top of the lower shutter sound absorption screen. The load-bearing sound barrier is convenient to install, light in structure, safe and reliable, and can play a role in reinforcing the viaduct due to the fact that the load-bearing sound barrier and the upper structure of the bridge bear force together.
Description
Technical Field
The utility model belongs to the technical field of bridge traffic facilities, and particularly relates to a load-bearing sound barrier and a viaduct comprising the same.
Background
Increasingly serious noise pollution related problems of high-speed, overhead and other road traffic cause serious interference to the lives of surrounding residents, and noise complaints received by governments are increasing. The noise-proof barrier technology is one of the most extensive and effective methods for controlling the road noise transmission at present, the noise reduction effect of the proper sound barrier is up to more than 10dB (A), and the promotion of the sound barrier construction is the most effective measure for improving the road sound environment quality at present.
A viaduct which is put into use is built, and a sound barrier needs to be additionally arranged for solving the problem of road noise. The conventional sound barrier does not participate in the stress of the bridge, the dead weight load is completely borne by the bridge, and the wind load of the bridge is increased. Some bridges are long in age, the bearing capacity of the bridges cannot meet the current standard, and the difficulty in installing the sound barrier is greater.
Therefore, there is a need to design a sound barrier that satisfies the noise-proof function, and simultaneously can bear the force with the bridge together to reduce the load of the bridge, so as to solve the existing problems.
Disclosure of Invention
The utility model aims to provide a bearing sound barrier and a viaduct comprising the same, wherein the bearing sound barrier is convenient to install, light in structure, safe and reliable, and has a reinforcing effect on a bridge by jointly bearing the force with an upper structure of the bridge.
In order to achieve the purpose, the bearing sound barrier comprises a supporting frame, wherein an upper shutter sound absorption screen, a transparent sound insulation plate and a lower shutter sound absorption screen are sequentially arranged on the inner side of the supporting frame from top to bottom; the upper shutter sound-absorbing screen and the lower shutter sound-absorbing screen are fixedly connected with the supporting frame; the top end of the transparent sound insulation plate is embedded in the bottom of the upper shutter sound absorption screen, and the bottom end of the transparent sound insulation plate is embedded in the top of the lower shutter sound absorption screen.
Furthermore, the bottom of the upper shutter sound-absorbing screen is provided with a first mounting groove, and the top end of the transparent sound-insulating plate is embedded in the first mounting groove of the upper shutter sound-absorbing screen.
Furthermore, a second mounting groove is formed in the top of the lower shutter sound absorption screen, and the bottom end of the transparent sound insulation plate is embedded in the second mounting groove of the lower shutter sound absorption screen.
Further, the upper louver sound-absorbing screen and the lower louver sound-absorbing screen have the same width.
Furthermore, the width ratio of the upper shutter sound absorption screen to the transparent sound insulation plate is 1: 2-4.
Further, the support frame is a truss made of a metal material.
The utility model also provides a viaduct, which comprises the bearing sound barrier.
Furthermore, the viaduct is provided with the anticollision wall along the bridge to both sides, the top at the anticollision wall is installed to the bearing sound barrier.
Still further, the bottom of the support frame of the bearing sound barrier is provided with a base, and the base is fixedly connected with the top of the anti-collision wall.
Furthermore, the base is fixedly connected with the top of the anti-collision wall through bolts.
Compared with the prior art, the utility model has the following advantages:
the bearing sound barrier comprises a supporting frame, wherein an upper shutter sound absorption screen, a transparent sound insulation plate and a lower shutter sound absorption screen are sequentially arranged on the inner side of the supporting frame from top to bottom, so that the noise-proof function can be met, the supporting frame can participate in the stress of a bridge, and the bearing capacity of the bridge is increased.
Secondly, the top end and the bottom end of the transparent sound insulation plate of the bearing sound barrier are respectively embedded with the upper shutter sound absorption screen and the lower shutter sound absorption screen, so that the bearing sound barrier is convenient to install and light in structure.
Thirdly, the bearing sound barrier is arranged above the anti-collision wall of the viaduct, and the bearing sound barrier and the upper structure of the bridge are stressed together, so that the sound barrier for reducing the load of the bridge is reduced, and the bridge is reinforced.
Drawings
FIG. 1 is a schematic view of the assembled structure of the load bearing sound barrier of the present invention;
FIG. 2 is a schematic view of an assembly structure of the upper louver acoustic screen and the transparent acoustic panel in FIG. 1;
FIG. 3 is a schematic view of the assembly structure of the transparent sound-insulating panel and the lower louver sound-absorbing screen in FIG. 1;
wherein: 1-supporting frame, 1.1-base, 2-upper shutter sound-absorbing screen, 2.1-first mounting groove, 3-transparent sound-insulating plate, 4-lower shutter sound-absorbing screen, 4.1-second mounting groove and 5-anti-collision wall.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, the load-bearing sound barrier comprises a supporting frame 1, wherein an upper louver sound-absorbing screen 2, a transparent sound-insulating plate 3 and a lower louver sound-absorbing screen 4 are sequentially arranged on the inner side of the supporting frame 1 from top to bottom; the upper louver sound-absorbing screen 2 and the lower louver sound-absorbing screen 4 are fixedly connected with the supporting frame 1; the top end of the transparent sound insulation plate 3 is embedded at the bottom of the upper shutter sound absorption screen 2, and the bottom end of the transparent sound insulation plate 3 is embedded at the top of the lower shutter sound absorption screen 4. In this embodiment, the upper louver sound-absorbing screen 2 and the lower louver sound-absorbing screen 4 are fixedly connected with the support frame 1 through bolts. Therefore, the noise-proof function can be met, the supporting frame can participate in the stress of the bridge, and the bearing capacity of the bridge is increased.
As shown in fig. 2, the bottom of the upper louver sound-absorbing screen 2 is provided with a first mounting groove 2.1, and the top end of the transparent sound-insulating plate 3 is embedded in the first mounting groove 2.1 of the upper louver sound-absorbing screen 2. The upper louver sound-absorbing screen 2 and the lower louver sound-absorbing screen 4 have the same width. The ratio of the width of the upper shutter sound absorption screen 2 to the width of the transparent sound insulation plate 3 is 1: 2-4. The supporting frame 1 is a truss made of metal material, and in the embodiment, the supporting frame is a steel truss made of structural steel for a bridge.
As shown in fig. 3, the top of the lower louver sound-absorbing screen 4 is provided with a second mounting groove 4.1, and the bottom end of the transparent sound-insulating plate 3 is embedded in the second mounting groove 4.1 of the lower louver sound-absorbing screen 4. Therefore, the top end and the bottom end of the transparent sound insulation plate of the bearing sound barrier are respectively embedded with the upper shutter sound absorption screen and the lower shutter sound absorption screen, and the bearing sound barrier is convenient to install and light in structure.
According to the viaduct provided by the utility model, the bearing sound barrier is installed on the viaduct, the anti-collision walls 5 are arranged on two sides of the viaduct along the bridge direction, and the bearing sound barrier is installed on the top of the anti-collision walls 5. The bottom of the supporting frame 1 of the bearing sound barrier is provided with a base 1.1, and the base 1.1 is fixedly connected with the top of the anti-collision wall 5 through bolts. The bearing sound barrier and the upper structure of the bridge are stressed together, the sound barrier for the load of the bridge is reduced, and the bridge is reinforced.
The above description is only an embodiment of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A load bearing sound barrier, characterized by: the sound insulation board comprises a supporting frame (1), wherein an upper shutter sound absorption screen (2), a transparent sound insulation board (3) and a lower shutter sound absorption screen (4) are sequentially arranged on the inner side of the supporting frame (1) from top to bottom; the upper louver sound-absorbing screen (2) and the lower louver sound-absorbing screen (4) are fixedly connected with the supporting frame (1); the top end of the transparent sound insulation plate (3) is embedded in the bottom of the upper shutter sound absorption screen (2), and the bottom end of the transparent sound insulation plate (3) is embedded in the top of the lower shutter sound absorption screen (4).
2. The load bearing sound barrier of claim 1, wherein: the bottom of the upper shutter sound-absorbing screen (2) is provided with a first mounting groove (2.1), and the top end of the transparent sound-insulating plate (3) is embedded in the first mounting groove (2.1) of the upper shutter sound-absorbing screen (2).
3. The load bearing sound barrier of claim 1, wherein: the top of lower tripe sound-absorbing screen (4) is provided with second mounting groove (4.1), the bottom of transparent sound-proof board (3) is embedded in second mounting groove (4.1) of lower tripe sound-absorbing screen (4).
4. The load bearing sound barrier of claim 1, wherein: the upper shutter sound-absorbing screen (2) and the lower shutter sound-absorbing screen (4) have the same width.
5. The load bearing sound barrier of claim 1, wherein: the width ratio of the upper shutter sound absorption screen (2) to the transparent sound insulation plate (3) is 1: 2-4.
6. The load bearing sound barrier of claim 1, wherein: the supporting frame (1) is a truss made of metal materials.
7. A viaduct is characterized in that: the viaduct comprises the bearing sound barrier of any one of claims 1 to 6.
8. The overpass of claim 7, wherein: the viaduct is provided with anti-collision walls (5) along the bridge direction, and the bearing sound barrier is installed on the top of the anti-collision walls (5).
9. The overpass of claim 8, wherein: the bottom of the supporting frame (1) of the bearing sound barrier is provided with a base (1.1), and the base (1.1) is fixedly connected with the top of the anti-collision wall (5).
10. The overpass of claim 9, wherein: the base (1.1) is fixedly connected with the top of the anti-collision wall (5) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561996.9U CN215714740U (en) | 2021-03-18 | 2021-03-18 | Bearing sound barrier and viaduct comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120561996.9U CN215714740U (en) | 2021-03-18 | 2021-03-18 | Bearing sound barrier and viaduct comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215714740U true CN215714740U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120561996.9U Active CN215714740U (en) | 2021-03-18 | 2021-03-18 | Bearing sound barrier and viaduct comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215714740U (en) |
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2021
- 2021-03-18 CN CN202120561996.9U patent/CN215714740U/en active Active
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