Noise reduction barrier structure

Abstract

The utility model provides a noise reduction barrier structure, which belongs to the technical field of noise reduction and comprises a sound barrier plate. The sound barrier plate comprises a plurality of coal gangue ceramsite layers arranged in a stacked mode and framework layers arranged between every two adjacent coal gangue ceramsite layers. The coal gangue ceramsite layer can improve the anti-fatigue performance of the sound barrier plate, and meanwhile, the porous sound absorption structure is formed by utilizing the porous characteristic of coal gangue ceramsite, so that the sound absorption and noise reduction effects of the sound barrier plate are good.

Description

Technical Field

[0001] The utility model belongs to the technical field of noise reduction, relates to a noise reduction technology for traffic noise, and specifically is a noise reduction barrier structure. Background Art

[0002] With the rapid development of expressways and urban expressways, the impact of traffic noise on people's living environment has also increased. Controlling and reducing noise is a technical problem that needs to be solved in the development of transportation. The existing technology mainly sets up sound insulation and noise reduction structures on the side of the highway to reduce the noise pollution caused by highway transportation and protect the health and quality of life of residents around the highway.

[0003] The sound insulation and noise reduction structure in the prior art is mainly a sound insulation board. Refer to the patent document with application number 202120790014.3, which discloses a sound insulation board and a movable sound insulation and noise reduction device, including a board body, wherein the board body has a sound insulation layer, a damping layer and a sound absorption layer stacked on each other; the damping layer is arranged between the sound insulation layer and the sound absorption layer, and a particle vibration reduction structure is arranged in the damping layer. On the basis of the sound insulation layer, the sound absorption layer and the damping layer, a particle vibration reduction structure is added, so that different stacking arrangements and combinations can be performed according to actual use requirements, and ensure that the damping layer with the particle vibration reduction structure is located in the middle layer to form a sound insulation board with good noise reduction effect. However, the existing sound insulation and noise reduction structure is mainly made of non-metallic materials, which leads to poor fatigue resistance and short service life of the existing sound insulation and noise reduction structure. Utility Model Content

[0004] Aiming at the technical problems that the sound insulation and noise reduction structures in the prior art have poor fatigue resistance and short service life, the utility model proposes a noise reduction barrier structure.

[0005] The utility model discloses a noise reduction barrier structure, comprising a sound barrier plate, wherein the sound barrier plate comprises a plurality of gangue ceramsite layers arranged in parallel and a skeleton layer sandwiched between two adjacent gangue ceramsite layers. The gangue ceramsite layer has the properties of being resistant to moisture, mildew, weathering, freezing and thawing, and impact, thus improving the fatigue resistance of the sound barrier plate. At the same time, the porous characteristics of the gangue ceramsite are utilized to form a porous sound absorption structure, so that the sound barrier plate has a good sound absorption and noise reduction effect. The gangue ceramsite layer is supported by the skeleton layer.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model discloses a noise reduction barrier structure, comprising a sound barrier plate;

[0008] The sound barrier plate includes a plurality of stacked coal gangue ceramsite layers and a skeleton layer arranged between two adjacent coal gangue ceramsite layers.

[0009] It is further defined that the skeleton layer is a geogrid layer.

[0010] It is further defined that the noise reduction barrier structure also includes a sound insulation board, and the plane where the sound insulation board is located is in the same plane as the plane where the sound barrier board is located.

[0011] It is further defined that the noise reduction barrier structure also includes a supporting frame, and the sound barrier panel and the sound insulation panel are both installed on the supporting frame.

[0012] It is further defined that a plurality of sound barrier panels are installed on the support frame, and a sound insulation board is arranged between two adjacent sound barrier panels, and the planes where the plurality of sound barrier panels are located are all in the same plane.

[0013] It is further defined that the support frame includes a support member and a column connected to the support member, the sound barrier board and the sound insulation board are both installed on the column, and the sound barrier board and the sound insulation board are both located above the support member.

[0014] It is further defined that columns are provided on opposite sides of the sound barrier board, and the columns on both sides are used to connect the sound barrier board and the sound insulation board.

[0015] It is further defined that the support member is a concrete support member.

[0016] It is further defined that the support frame also includes a guardrail arranged on the outside of the support member.

[0017] It is further defined that the gangue ceramsite layer and the skeleton layer are connected by gluing.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model discloses a noise reduction barrier structure, comprising a sound barrier plate, wherein the sound barrier plate comprises a plurality of stacked gangue ceramsite layers and a skeleton layer disposed between two adjacent gangue ceramsite layers. The utility model utilizes the gangue ceramsite layers to have the properties of resistance to moisture, mildew, weathering, freeze-thaw and impact, thereby improving the fatigue resistance of the sound barrier plate, and at the same time utilizes the porous properties of gangue ceramsite to form a porous sound-absorbing structure, so that the sound barrier plate has a good sound absorption and noise reduction effect. The utility model provides a skeleton layer between two adjacent gangue ceramsite layers, and supports the gangue ceramsite layers through the skeleton layer.

[0020] 2. The skeleton layer of the utility model is a geogrid layer. The geogrid layer forms a sound-absorbing space between adjacent gangue ceramsite layers while supporting the gangue ceramsite layers, thereby further improving the sound-absorbing effect.

[0021] 3. The utility model provides a noise reduction barrier structure, which also includes a sound insulation board. The sound insulation board, on the one hand, plays the role of clamping and fixing the sound barrier board, and on the other hand, cooperates with the sound barrier board to achieve the effect of sound absorption and noise reduction.

[0022] 4. The utility model provides a noise reduction barrier structure, which also includes a support frame, through which the sound barrier board and the sound insulation board are fixed and supported.

[0023] 5. The utility model provides a guardrail on the outside of the support member, and the support member is protected by the guardrail to achieve the effect of anti-collision of the support member. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of the noise reduction barrier structure of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the sound barrier panel;

[0026] Among them, 1-sound barrier board, 101-coal gangue expanded clay layer, 102-geogrid layer, 2-column, 3-sound insulation board, 4-support, 5-guardrail. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the implementation methods described below.

[0028] The utility model discloses a noise reduction barrier structure, comprising a sound barrier plate 1; wherein the sound barrier plate 1 comprises a plurality of stacked gangue ceramsite layers 101 and a skeleton layer arranged between two adjacent gangue ceramsite layers 101. Specifically, the number of the gangue ceramsite layers 101 can be 2, 3, 4, or even more. The more the number of the gangue ceramsite layers 101 is, the better the corresponding sound absorption and noise reduction effect is. The skeleton layer is arranged between two adjacent gangue ceramsite layers 101.

[0029] A noise reduction barrier structure of the utility model further comprises a sound insulation board 3, the plane where the sound insulation board 3 is located is in the same plane as the plane where the sound barrier board 1 is located, and the plane is a sound insulation and noise reduction surface.

[0030] In the utility model, there are multiple sound barrier panels 1, wherein a sound insulation panel 3 is arranged between two adjacent sound barrier panels 1, and the sound insulation panel 3 is used to fix and limit the sound barrier panels 1, and the planes where the multiple sound barrier panels 1 are located are all in the same plane.

[0031] A noise reduction barrier structure of the utility model also includes a support frame, and the sound barrier board 1 and the sound insulation board 3 are both installed on the support frame. The support frame includes a support member 4 and a column 2, the column 2 is fixedly connected to the support member 4 and extends to the top of the support member 4, the sound insulation board 3 and the sound barrier board 1 are both fixedly installed on the column 2, and the sound insulation board 3 and the sound barrier board 1 are both located above the support member 4. Preferably, the utility model is provided with columns 2 on opposite sides of the sound barrier board 1, and the columns 2 on both sides are used to connect the sound barrier board 1 and the sound insulation board 3. The column 2 is fixedly connected to the support member 4 by an anchoring connection.

[0032] In the present invention, the column 2 is an H-shaped steel or a channel steel, preferably, the column 2 is an H-shaped steel. When the sound insulation board 3 and the sound barrier board 1 are connected to the column 2, the opposite ends of the sound insulation board 3 and the opposite ends of the sound barrier board 1 are embedded in the groove formed by the flange plate and the web of the H-shaped steel or the groove formed by the flange plate and the web of the channel steel, so as to realize the connection between the sound insulation board 3 and the sound barrier board 1 and the column 2, and at the same time facilitate the sliding between the sound insulation board 3 and the sound barrier board 1 and the column 2, so as to facilitate the installation.

[0033] In the utility model, a guardrail 5 is arranged on the outer side of the support member 4, and the support member 4 is protected by the guardrail 5, so as to achieve the purpose of preventing the support member 4 from collision.

[0034] Example 1

[0035] See also Figure 1 and Figure 2 , the present embodiment provides a noise reduction barrier structure, which includes a sound barrier plate 1 and a supporting frame, wherein the sound barrier plate 1 includes two gangue ceramsite layers 101 and a skeleton layer arranged between the two gangue ceramsite layers 101. Specifically, the skeleton layer is a geogrid layer 102, and the gangue ceramsite layer 101 and the geogrid layer 102 are connected by gluing. The gangue ceramsite layer 101 is prepared using gangue ceramsite, which has the properties of resistance to moisture, mildew, weathering, freeze-thaw and impact. The gangue ceramsite layer 101 has a porous characteristic, forming a porous sound-absorbing structure, so that the sound barrier plate 1 has a good sound absorption and noise reduction effect. The utility model arranges a geogrid layer 102 between two adjacent gangue ceramsite layers 101, and supports the gangue ceramsite layer 101 through the geogrid layer 102.

[0036] In this embodiment, the number of sound insulation boards 3 is 2, the number of sound barrier board 1 is 1, and the two sound insulation boards 3 are respectively arranged above and below the sound barrier board 1, so that the plane where the sound barrier board 1 is located is in the same plane as the plane where the sound insulation board 3 is located.

[0037] The support frame of this embodiment includes a support member 4 and two columns 2 arranged in parallel above the support member 4 . The sound barrier board 1 and the sound insulation board 3 are respectively arranged between the columns 2 and are fixedly connected to the two columns 2 .

[0038] In this embodiment, the column 2 is an H-shaped steel.

[0039] In this embodiment, the support member 4 is a plain concrete structure, and the column 2 is anchored to the plain concrete structure.

[0040] In this embodiment, guardrails 5 are provided on opposite sides of the support member 4 .

[0041] Example 2

[0042] The present embodiment provides a noise reduction barrier structure, which includes a sound barrier plate 1 and a supporting frame. The sound barrier plate 1 includes three gangue ceramsite layers 101 and two skeleton layers, and a skeleton layer is arranged between two adjacent gangue ceramsite layers 101. The skeleton layer is a porous ceramic part, and the gangue ceramsite layer 101 is connected to the porous ceramic part by gluing. The gangue ceramsite layer 101 is prepared using gangue ceramsite, which has the properties of resistance to moisture, mildew, weathering, freeze-thaw and impact. The gangue ceramsite layer 101 has a porous characteristic, forming a porous sound-absorbing structure, so that the sound barrier plate 1 has a good sound absorption and noise reduction effect. The utility model arranges a porous ceramic part between two adjacent gangue ceramsite layers 101, and supports the gangue ceramsite layer 101 through the porous ceramic part.

[0043] In this embodiment, the number of sound insulation boards 3 is 3, the number of sound barrier boards 1 is 2, and a sound insulation board 3 is arranged between two adjacent sound barrier boards 1, so that the plane where the sound barrier board 1 is located is in the same plane as the plane where the sound insulation board 3 is located.

[0044] The support frame of this embodiment includes a support member 4 and two columns 2 arranged in parallel above the support member 4 . The sound barrier board 1 and the sound insulation board 3 are respectively arranged between the columns 2 and are fixedly connected to the two columns 2 .

[0045] In this embodiment, the column 2 is a channel steel.

[0046] In this embodiment, the support member 4 is a concrete support member, and the column 2 is anchored to the concrete support member.

[0047] In this embodiment, a guardrail 5 is provided on one side of the support member 4, and the guardrail 5 is provided on the side close to the road surface.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A noise reduction barrier structure, characterized in that: The invention comprises a sound barrier panel (1); The sound barrier plate (1) comprises a plurality of stacked coal gangue ceramsite layers (101) and a skeleton layer arranged between two adjacent coal gangue ceramsite layers (101).

2. The noise reduction barrier structure according to claim 1, characterized in that: The skeleton layer is a geogrid layer (102).

3. The noise reduction barrier structure according to claim 1, characterized in that: The noise reduction barrier structure further comprises a sound insulation board (3), wherein the plane where the sound insulation board (3) is located is in the same plane as the plane where the sound barrier board (1) is located.

4. The noise reduction barrier structure according to claim 3, characterized in that: The noise reduction barrier structure also includes a supporting frame, and the sound barrier board (1) and the sound insulation board (3) are both mounted on the supporting frame.

5. The noise reduction barrier structure according to claim 4, characterized in that: A plurality of sound barrier panels (1) are mounted on the support frame, and a sound insulation panel (3) is arranged between two adjacent sound barrier panels (1), and the planes where the plurality of sound barrier panels (1) are located are all in the same plane.

6. The noise reduction barrier structure according to claim 4, characterized in that: The support frame comprises a support member (4) and a column (2) connected to the support member (4); the sound barrier board (1) and the sound insulation board (3) are both installed on the column (2); and the sound barrier board (1) and the sound insulation board (3) are both located above the support member (4).

7. The noise reduction barrier structure according to claim 6, characterized in that: Columns (2) are arranged on opposite sides of the sound barrier board (1), and the columns (2) on both sides are used to connect the sound barrier board (1) and the sound insulation board (3).

8. The noise reduction barrier structure according to claim 6, characterized in that: The support member (4) is a concrete support member.

9. The noise reduction barrier structure according to claim 8, characterized in that: The support frame also includes a guardrail (5) arranged outside the support member (4).

10. The noise reduction barrier structure according to any one of claims 1 to 8, characterized in that: The gangue ceramsite layer (101) and the skeleton layer are connected by gluing.

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