CN217974100U - Sound barrier and bridge - Google Patents
Sound barrier and bridge Download PDFInfo
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- CN217974100U CN217974100U CN202221408916.7U CN202221408916U CN217974100U CN 217974100 U CN217974100 U CN 217974100U CN 202221408916 U CN202221408916 U CN 202221408916U CN 217974100 U CN217974100 U CN 217974100U
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Abstract
The embodiment of the application provides a sound barrier and bridge, includes: the sound barrier body is used for being arranged at the top of a protecting wall or a ballast blocking wall, the sound barrier body is arranged along the longitudinal direction of a railway, the sound barrier body and the protecting wall or the ballast blocking wall are integrally poured to form, and compared with the prior art, the sound barrier close to the rail is stable in structure, the height of the sound barrier is reduced, so that a passenger can see the scene conveniently, the noise reduction effect is good, the train operation safety is guaranteed, and the maintenance cost is reduced.
Description
Technical Field
The application relates to the technical field of bridge engineering, in particular to a sound barrier and a bridge.
Background
When a train passes through the rail quickly, the train and the steel rail generate larger noise due to friction, and a sound barrier is introduced to reduce the influence of the noise on residential buildings on two sides of the railway; the sound barrier is a main noise prevention device in a railway bridge, and at present, sound barrier unit plates are inserted between sound barrier stand columns fixed on bridge flange plates to weaken noise generated by a train through wheel track friction.
The distance between the current sound barrier of the railway bridge and the wheels is far, so that the noise reduction effect is poor, and the required height of the sound barrier is high (the common height is 2.3m and 3.3 m); the influence on the visual field of passengers and urban landscape is large when the height of the sound barrier is too high; the later maintenance work load of the sound barrier of the railway bridge is also larger at present. With the increase of the requirement of environmental protection and the increase of railway construction, more and higher requirements are provided for the sound barrier, the existing sound barrier is made of solid materials, so that the noise reduction effect is poor, and the sound barrier is made of smooth surfaces, so that the sound wave propagation direction cannot be changed, and the noise reduction effect cannot be achieved.
Disclosure of Invention
The embodiment of the application provides a sound barrier and bridge to solve the problem that current noise reduction effect is poor, the sound barrier is highly too high to influence all great, later stage maintenance work load also great to passenger's field of vision, city view. It is a second object of the present application to provide a bridge comprising the above sound barrier.
In order to achieve the above purpose, the present application provides the following technical solutions:
the sound barrier that this application embodiment provided includes:
the sound barrier body is used for being arranged at the top of the protective wall or the ballast retaining wall and arranged along the longitudinal direction of the railway, and the sound barrier body and the protective wall or the ballast retaining wall are integrally poured to form the sound barrier.
Furthermore, a sound wave reflection grain layer is arranged on the surface of one side, close to the steel rail, of the sound barrier body and is used for reducing noise.
Further, the sound barrier body is of a hollow structure.
Furthermore, the sound barrier body is formed by splicing a plurality of sound barrier unit plates along the length direction of the sound barrier body.
Furthermore, in the length direction of the sound barrier unit plates, grooves are respectively formed in the end walls of two sides of the adjacent sound barrier unit plates, and sealing pieces are arranged in the grooves.
Further, in the vertical direction of the railway, the gap between adjacent sound barrier unit plates is flush with the gap between the corresponding adjacent protective walls or ballast retaining walls below the sound barrier unit plates;
and the sealing element extends downwards from the groove to the gap of the corresponding adjacent protective wall or ballast retaining wall.
Further, the sound barrier body is connected with a protective wall or a ballast retaining wall through a connecting piece, and along the vertical direction of the connecting piece, one end of the connecting piece is located in the protective wall or the ballast retaining wall, and the other end of the connecting piece is located in the sound barrier body.
Further, the sound barrier body is made of light concrete in a pouring mode.
The application provides a bridge, include: the sound barrier of any one of the above embodiments, the bridge body and the sound barrier of any one of the above embodiments, this upper portion of bridge is equipped with the rail of symmetry, is equipped with the protective wall along rail width direction's both sides, the upper end of protective wall is equipped with the sound barrier body of sound barrier, just the protective wall with the sound barrier body passes through the anchor reinforcing bar and links together.
Furthermore, the end walls on two sides of the length direction of the protection wall are respectively provided with a sealing groove, and sealing strips are respectively arranged in the sealing grooves.
Compared with the prior art, the sound barrier provided by the embodiment of the application has the following technical effects:
because of including: the sound barrier comprises a sound barrier body, wherein the sound barrier body is arranged on the top of a protective wall or a ballast retaining wall, and the height of the sound barrier body can be reduced by half, so that the vision of passengers is good, and the urban landscape effect is good;
and simultaneously, the sound barrier body sets up along railway longitudinal direction, the sound barrier body adopts an organic whole to pour with protecting wall or fender tiny fragments of stone, stone and stone wall to form, makes the sound barrier body can be firmly fixed by zonulae occludens each other with protecting wall or fender tiny fragments of stone and stone wall, ensures to have sufficient intensity to resist train wind pressure and natural wind pressure, guarantees train operation safety.
In order to achieve the second objective, the present application further provides a bridge, which includes any one of the sound barrier bodies, and since the sound barrier body has the above technical effects, the bridge having the sound barrier body should also have corresponding technical effects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a sound barrier according to an embodiment of the present disclosure;
FIG. 2 isbase:Sub>A cross-sectional view of FIG. 1A-A;
FIG. 3 is a cross-sectional view of FIG. 1B-B;
FIG. 4 is a cross-sectional view of FIG. 1C-C;
FIG. 5 is a cross-sectional view of FIG. 1D-D;
fig. 6 is a schematic view of the arrangement of the near-orbital sound barrier of the present application.
The drawings are numbered as follows:
the sound barrier comprises a sound barrier body 1, a ballast blocking wall 2, a sound wave reflection pattern layer 3, a sound barrier unit plate 4, a groove 5, a sealing piece 6, a connecting piece 7, a hollow structure 8 and a train 9.
Detailed Description
The embodiment of the invention discloses a sound barrier and a bridge, and aims to solve the problems that the existing noise reduction effect is poor, the influence on the visual field of passengers and urban landscape is large due to too high height of the sound barrier, and the workload of later-stage maintenance is large.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1-6, fig. 1 is a schematic view of a sound barrier structure according to an embodiment of the present disclosure; FIG. 2 isbase:Sub>A cross-sectional view of FIG. 1A-A; FIG. 3 is a cross-sectional view of FIG. 1B-B; FIG. 4 is a cross-sectional view of FIG. 1C-C; FIG. 5 is a cross-sectional view of FIG. 1D-D; fig. 6 is a schematic view of the arrangement of the near-orbital sound barrier of the present application.
In one particular embodiment, a sound barrier includes:
sound barrier body 1 for the top of setting at the protective wall or fender tiny fragments of stone, coal, etc. wall 2, sound barrier body 1 sets up along the railway longitudinal direction, sound barrier body 1 forms with protective wall or fender tiny fragments of stone, etc. wall 2 adopts integrative pouring, owing to fix the top at protective wall or fender tiny fragments of stone, coal, etc. wall 2 with sound barrier body 1 adopts integrative mode of pouring, make sound barrier body 1 be connected as an organic whole with protective wall or fender tiny fragments of stone, etc. wall 2, guaranteed promptly that sufficient intensity resists train wind pressure and natural wind pressure, can exempt from maintenance for the whole life.
In order to achieve the effect of noise reduction, in the present embodiment, for example, the sound wave reflection stripe layer 3 is provided on the surface of the sound barrier body 1 on the side close to the rail, and when the wheel track noise is emitted, the sound wave is transmitted to the surface of the sound barrier body, and the sound wave is reflected to the train 9 through the sound wave reflection stripe layer provided on the sound barrier body, so that the sound wave transmission direction is changed, and the transmission of the noise is weakened.
In order to further achieve the noise reduction effect, in the present embodiment, for example, the sound barrier body 1 is a hollow sound barrier body, and the inside of the sound barrier body adopts a hollow structure 8 (equivalent to a hollow brick), which has a strong sound insulation effect, and greatly weakens the transmission of noise.
It should be noted that, in order to prevent the sound barrier body 1 from cracking under the effect of temperature, for example, the sound barrier body is formed by splicing a plurality of sound barrier unit panels 4 along the length direction of the sound barrier body 1, in the present embodiment, the length of the sound barrier unit panel 4 is 2M, but in practical application, the length of the sound barrier unit panel 4 may be increased or shortened according to actual needs, for example, 1.5M, 2.5M, and 3M, and in order to avoid redundancy, not illustrated in one example, the above embodiments may be combined with each other, and have corresponding technical effects.
In addition, in order to prevent sound leakage at the position of the broken seam of the adjacent sound barrier unit plates 4, for example, in the length direction of the sound barrier unit plates 4, the end walls of the two sides of the adjacent sound barrier unit plates 4 are respectively provided with a groove 5, a sealing member 6 is arranged in the groove 5, and the sealing member 6 can play a role in sealing, so that a better noise reduction effect is achieved.
Specifically, in order to prevent the near-rail sound barrier body 1 and the protective wall or the ballast retaining wall 2 from cracking under the action of temperature, a gap between the barrier unit plate and the barrier unit plate is flush with a gap between the protective wall and the protective wall;
the adjacent protective wall is equipped with the sealing strip along the length direction of protective wall, and the sealing strip extends to in the gap between the adjacent protective screen cell board, and then prevents the gap sound leakage, ensures that noise reduction effect is good.
In addition, it is worth mentioning, among this embodiment, sound barrier body 1 is connected with protective wall or fender tiny fragments of stone, etc. wall 2 through connecting piece 7, follows 3 vertical directions of connecting piece, the one end of connecting piece 3 are located protective wall or fender tiny fragments of stone, etc. wall 2, and the other end of connecting piece 7 is located sound barrier body 1, and is concrete, among this embodiment, connecting piece 7 is formed by a plurality of tie bar, and evenly arranges along the length direction of sound barrier body 1, and then has increased sound barrier body 1 and protective wall or fender tiny fragments of stone, etc. wall 2 fastness between the two, effectual enhanced sound barrier body 1 resist train wind pressure and natural wind pressure, guarantee train operation safety.
In addition, it should be noted that in the present embodiment, in order to have sufficient strength to resist train wind pressure and natural wind pressure, for example, the sound barrier body 1 is made of light concrete, in the present embodiment, light concrete is used for illustration, but in practical application, the sound barrier body may be made of other materials according to actual needs, which is not illustrated, and the above embodiments may be combined with each other and have corresponding technical effects.
Based on the sound barrier provided in the above embodiment, the present application further provides a bridge, as shown in fig. 6, which is described by taking a protection wall as an example, and includes: bridge body and sound barrier, this upper portion of bridge is equipped with the rail of symmetry, is equipped with the protective wall along rail width direction's both sides, and the upper end of protective wall is equipped with sound barrier's sound barrier body 1, and protective wall and sound barrier body 1 link together through the anchor reinforcing bar, because this bridge has adopted the sound barrier in the above-mentioned embodiment the beneficial effect of this 1 body of sound barrier so this bridge please refer to above-mentioned embodiment.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A sound barrier, comprising:
the sound barrier comprises a sound barrier body and is used for being arranged at the top of a protective wall or a ballast blocking wall, the sound barrier body is arranged along the longitudinal direction of a railway, and the sound barrier body and the protective wall or the ballast blocking wall are integrally poured to form the sound barrier.
2. The sound barrier of claim 1, wherein a sound wave reflecting layer is arranged on the surface of the sound barrier body close to the steel rail, and the sound wave reflecting layer is used for reducing noise.
3. The sound barrier of claim 2, wherein said sound barrier body is a hollow structure sound barrier body.
4. The sound barrier of claim 1, wherein said sound barrier body is formed by splicing a plurality of sound barrier cell panels along the length of said sound barrier body.
5. The sound barrier of claim 4, wherein in the length direction of the sound barrier unit plates, two side end walls of the adjacent sound barrier unit plates are respectively provided with a groove, and a sealing member is arranged in each groove.
6. The sound barrier according to claim 5, wherein in the vertical direction of the railway, the gap between adjacent sound barrier unit plates is flush with the gap between the corresponding adjacent protecting wall or ballast wall below;
and the sealing element extends downwards from the groove to the gap of the corresponding adjacent protective wall or ballast retaining wall.
7. The sound barrier according to claim 1, wherein the sound barrier body is connected to a protective wall or a ballast retaining wall through a connecting piece, and along the vertical direction of the connecting piece, one end of the connecting piece is located in the protective wall or the ballast retaining wall, and the other end of the connecting piece is located in the sound barrier body.
8. The sound barrier of claim 1, wherein said sound barrier body is made of lightweight concrete by casting.
9. A bridge, comprising: the sound barrier comprises a bridge body and the sound barrier according to any one of claims 1 to 8, wherein symmetrical steel rails are arranged on the upper part of the bridge body, protective walls are arranged on two sides in the width direction of the steel rails, the sound barrier body of the sound barrier is arranged at the upper end of each protective wall, and the protective walls and the sound barrier body are connected together through anchoring steel bars.
10. The bridge according to claim 9, wherein the two end walls in the length direction of the protective wall are respectively provided with a sealing groove, and a sealing strip is respectively arranged in the sealing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221408916.7U CN217974100U (en) | 2022-06-08 | 2022-06-08 | Sound barrier and bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221408916.7U CN217974100U (en) | 2022-06-08 | 2022-06-08 | Sound barrier and bridge |
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| CN217974100U true CN217974100U (en) | 2022-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233581A (en) * | 2022-06-27 | 2022-10-25 | 中铁第五勘察设计院集团有限公司 | Near-rail sound barrier and construction method thereof |
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2022
- 2022-06-08 CN CN202221408916.7U patent/CN217974100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233581A (en) * | 2022-06-27 | 2022-10-25 | 中铁第五勘察设计院集团有限公司 | Near-rail sound barrier and construction method thereof |
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