CN207567674U - Lightweight high tenacity prefabricated high-speed railway non-metal sound barrier - Google Patents
Lightweight high tenacity prefabricated high-speed railway non-metal sound barrier Download PDFInfo
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- CN207567674U CN207567674U CN201721365801.3U CN201721365801U CN207567674U CN 207567674 U CN207567674 U CN 207567674U CN 201721365801 U CN201721365801 U CN 201721365801U CN 207567674 U CN207567674 U CN 207567674U
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Abstract
The utility model discloses a kind of lightweight high tenacity prefabricated high-speed railway non-metal sound barriers, including multiple acoustic barrier unit boards, the acoustic barrier unit board includes sound absorption surface layer, sound absorption internal layer and sound insulating layer, the sound absorption surface layer is volcano slag blanket or haydite layer, the sound absorption internal layer is wrapped up rock cotton sliver or glass sliver and is passed through inorganic sewing thread quilting and is formed as one by grid cloth, the sound insulating layer is Reactive Powder Concrete layer, is placed in the sound absorption between the sound absorption surface layer and the sound insulating layer.The acoustic barrier unit board of lightweight high tenacity prefabricated high-speed railway non-metal sound barrier described in the utility model is using nonmetallic materials as sound absorption and sound insulating material, cost is saved, and with lightweight, high-ductility, waterproof, antifreeze, anti-lightning strike characteristic, and stable structure, fatigue resistance are high, are suitble to produce in enormous quantities.
Description
Technical field
The utility model is related to a kind of high-speed railway non-metal sound barrier more particularly to a kind of lightweight high tenacity prefabricated are high
Fast railway non-metal sound barrier.
Background technology
Sound barrier refers to when noise source and recipient are in certain distance, in order to reduce infringement of the noise to recipient,
The barrier of noise is blocked in setting between.
With the continuous enhancing of people's environmental consciousness, less input in terms of noise reduction for the high ferro engineering that early stage builds in addition,
The noise problem of getting worse by the complaint of subjective reflection or is complained to the higher authorities about an injustice and request fair settlement repeatly, and noise pollution, which has become, influences people's living standard
One of serious pollution.Therefore, it is to solve the most effective approach that high ferro noise disturbs residents to build sound barrier.
High-speed rail sound barrier is broadly divided into two major class of metal sound barrier and non-metal sound barrier, and wherein non-metal sound barrier is divided into
For two class of organic sound barrier and inorganic sound barrier.The material and structure design of sound barrier product directly affect its technical performance, work
Journey cost and service life.
It is well known that metal sound barrier and organic sound barrier are although have simple installation, convenient for maintenance and easy scale manufacturing
The advantages that, but the shortcomings that it is poor with coordination of landscape, sound-absorbing material is easy to aging, corrosion resistance is poor and fatigue resistance is low also extremely
Significantly.Inorganic sound barrier have many advantages, such as it is corrosion-resistant, pollution-free, at low cost, but also laid particular stress on mostly there are quality, intensity is insufficient,
Sound absorbing performance is low and structure type and material it is more single, making, scrap occurring in transport, installation process and subsequent applications
More, the shortcomings that damage amount is larger.In high-speed railway applied technical field, not only require sound barrier resistance to compression, shearing strength high,
Sound absorption effect is good, and with enough fatigue resistances.So the design on material structure of high-speed rail sound barrier product is same at present
When meet safe, beautiful, durable, technologically advanced, economical rationality and the requirements such as easy for construction are become as field urgent need solution
Problem.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of lightweight high tenacity prefabricated at a high speed
Railway non-metal sound barrier.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of lightweight high tenacity prefabricated high-speed railway non-metal sound barrier, including multiple acoustic barrier unit boards, the sound
Barrier unit board includes sound absorption surface layer, sound absorption internal layer and sound insulating layer, and volcano slag blanket or haydite layer is in the surface layer that absorbs sound, the suction
Sound internal layer is wrapped up rock cotton sliver or glass sliver and is passed through inorganic sewing thread quilting and is formed as one by grid cloth, and the sound insulating layer is
Reactive Powder Concrete layer is placed in the sound absorption between the sound absorption surface layer and the sound insulating layer.
For the ease of improving sound insulation effect and easy to process, the periphery of the sound insulating layer is bent to form inner cavity, the sound absorption
Internal layer and the sound absorption surface layer are placed in being placed on the sound absorption surface layer and institute in the interior intracavitary and the sound absorption of the sound insulating layer
Between the intracavity bottom for stating sound insulating layer, the sound absorption surface layer is placed in the lumen openings side of the sound insulating layer.
Preferably, the scoria on the sound absorption surface layer or the grain diameter of haydite are 2-3mm.
In order to improve the intensity on sound absorption surface layer, the reinforcing bar for being internally provided with longitudinal stress or basalt on the sound absorption surface layer are fine
Tie up composite reinforcing.
Preferably, the thickness on the sound absorption surface layer is 20-30mm.
In order to improve the sound absorption effect of sound absorption internal layer, the grid cloth of the sound absorption internal layer wraps up the rock wool in sinusoidal waveform
Item or glass sliver.
Preferably, the grid cloth is basalt fibre grid cloth or alkali-proof glass fiber mesh.
Preferably, the inorganic sewing thread of the sound absorption internal layer has for basalt fibre twists with the fingers rove or stainless steel wire；The suction
The surrounding of sound internal layer is surrounded by basalt fibre three dimensional network, and support keel is equipped in the sound absorption internal layer；The sound absorption internal layer
Thickness is 70-80mm.
Preferably, the Reactive Powder Concrete of the sound insulating layer is little for the grain size of quartzy sand concrete and the quartz sand
In 6mm.
In order to further improve the intensity of sound insulating layer, the sound insulating layer is internally provided with basalt fibre three dimensional network.
The beneficial effects of the utility model are：
The acoustic barrier unit board of lightweight high tenacity prefabricated high-speed railway non-metal sound barrier described in the utility model uses
Nonmetallic materials have saved cost, and with lightweight, high-ductility, waterproof, antifreeze, anti-lightning strike spy as sound absorption and sound insulating material
Property, and stable structure, fatigue resistance are high, are suitble to produce in enormous quantities.
The advantages of the utility model, more specifically shows as：
Absorbent treatment is collectively constituted using relatively thin sound absorption surface layer and thicker sound absorption internal layer, is substantially mitigating product weight
Noise reduction coefficient and suction are significantly improved again while (half that weight is kept to traditional non-metal sound barrier cell board is even more)
Audio fruit, after measured, the noise reduction coefficient of acoustic barrier unit board described in the utility model can reach more than 0.85；
Support keel, inorganic sewing thread, basalt fibre three-dimensional net rack and basalt fibre grid cloth or alkali-resistant glass fiber mesh
The selection of lattice cloth further significantly enhances coupling between absorbent treatment and sound insulating layer, ensure that the tough of acoustic barrier unit board
Property, overall structure and fatigue resistance；
Using assembled structure after pre-formed, make any surface finish, smooth of acoustic barrier unit board, apparent size can obtain
It is effectively ensured, is suitble to standard batch production.
Description of the drawings
Fig. 1 is the acoustic barrier unit board of lightweight high tenacity prefabricated high-speed railway non-metal sound barrier described in the utility model
Main structure diagram；
Fig. 2 is the A-A sectional views in Fig. 1；
Fig. 3 is the B-B sectional views in Fig. 1；
Fig. 4 is the main structure diagram of the sound absorption internal layer of acoustic barrier unit board described in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, lightweight high tenacity prefabricated high-speed railway non-metal sound barrier described in the utility model includes
Multiple acoustic barrier unit boards, the acoustic barrier unit board include sound absorption surface layer, sound absorption internal layer 4 and sound insulating layer 1, and sound insulating layer 1 is lives
Property powder concrete layer and its periphery be bent to form inner cavity, the Reactive Powder Concrete of sound insulating layer 1 is preferably quartzy sand concrete
And the grain size of the quartz sand, no more than 6mm, sound insulating layer 1 is internally provided with basalt fibre three dimensional network, the thickness of sound insulating layer 1
For 30-40mm, absorb sound the internal layer 4 and sound absorption surface layer is placed in the interior intracavitary of sound insulating layer 1 and sound absorption internal layer 4 is placed in the sound absorption
Between the intracavity bottom of surface layer and sound insulating layer 1, the sound absorption surface layer is placed in the lumen openings side of sound insulating layer 1；The sound absorption surface layer
It is 2-3mm for volcano slag blanket or haydite layer 2 and the grain diameter of scoria or haydite, the thickness on the sound absorption surface layer is 20-
30mm, the sound absorption reinforcing bar for being internally provided with longitudinal stress on surface layer or Basalt fiber composite rib 3；Internal layer 4 absorb sound by the Black Warrior
Rock fibrous mesh cloth or alkali-proof glass fiber mesh 43 in sinusoidal waveform package rock cotton sliver or glass sliver 42 and pass through inorganic
44 quilting of sewing thread is formed as one, and inorganic sewing thread 44 has for basalt fibre twists with the fingers rove or stainless steel wire, sound absorption internal layer 4
Surrounding is surrounded by basalt fibre three dimensional network, is equipped with support keel 41 in sound absorption internal layer 4, support keel 41 is by basalt fibre three
It is made after dimension rack and Reactive Powder Concrete is compound, Reactive Powder Concrete is preferably quartzy sand concrete, and absorb sound internal layer 4
Thickness is 70-80mm.
With reference to Fig. 1-Fig. 4, during processing, first will sound absorption surface layer, sound absorption internal layer 4 and sound insulating layer 1 it is pre-formed, will when prefabricated
Reinforcing bar or Basalt fiber composite rib 3 are placed in sound absorption surface layer, and support keel 41 is placed in sound absorption internal layer；Then it will inhale successively
Sound internal layer 4 and sound absorption surface layer are placed in the interior intracavitary of sound insulating layer 1 and are fastenedly connected, being fastenedly connected according to actual needs here
Using conventional structure, for example using pasting connection or being bolted, specific connection structure is not the utility model
Innovation object, less protect.
The emphasis of the utility model is that the concrete structure of acoustic barrier unit board is improved, multiple acoustic barrier unit board groups
The structure for dressing up lightweight high tenacity prefabricated high-speed railway non-metal sound barrier described in the utility model is decided according to the actual requirements,
The size after connection structure, assembling between its acoustic barrier unit board all uses conventional structure according to actual needs.It uses
When, by the outer surface on the sound absorption surface layer towards track, the noise of high ferro operation first passes around sound absorption surface layer and sound absorption internal layer 4
Sound absorption processing is carried out, then sound insulation processing is carried out by sound insulating layer 1, noise is just absorbed and is isolated substantially.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as without the technical solution that creative work can be realized on the basis of above-described embodiment, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (10)
1. a kind of lightweight high tenacity prefabricated high-speed railway non-metal sound barrier, including multiple acoustic barrier unit boards, feature exists
In：The acoustic barrier unit board includes sound absorption surface layer, sound absorption internal layer and sound insulating layer, and the sound absorption surface layer is volcano slag blanket or haydite
Layer, the sound absorption internal layer are wrapped up rock cotton sliver or glass sliver and are passed through inorganic sewing thread quilting and be formed as one by grid cloth, institute
Sound insulating layer is stated as Reactive Powder Concrete layer, is placed in the sound absorption between the sound absorption surface layer and the sound insulating layer.
2. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1, it is characterised in that：It is described
The periphery of sound insulating layer is bent to form inner cavity, the sound absorption internal layer and the sound absorption surface layer be placed in the interior intracavitary of the sound insulating layer and
Be placed in the sound absorption between the sound absorption surface layer and the intracavity bottom of the sound insulating layer, the sound absorption surface layer be placed in it is described every
The lumen openings side of sound layer.
3. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1 or 2, it is characterised in that：
The scoria on the sound absorption surface layer or the grain diameter of haydite are 2-3mm.
4. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 3, it is characterised in that：It is described
The reinforcing bar or Basalt fiber composite rib that are internally provided with longitudinal stress on sound absorption surface layer.
5. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 3, it is characterised in that：It is described
The thickness on sound absorption surface layer is 20-30mm.
6. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1 or 2, it is characterised in that：
The grid cloth of the sound absorption internal layer wraps up the rock cotton sliver or glass sliver in sinusoidal waveform.
7. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 6, it is characterised in that：It is described
Grid cloth is basalt fibre grid cloth or alkali-proof glass fiber mesh.
8. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1 or 2, it is characterised in that：
The inorganic sewing thread of the sound absorption internal layer has for basalt fibre twists with the fingers rove or stainless steel wire；The surrounding of the sound absorption internal layer is profound
Military rock fibre three-dimensional net surrounds, and support keel is equipped in the sound absorption internal layer；The thickness of the sound absorption internal layer is 70-80mm.
9. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1 or 2, it is characterised in that：
The Reactive Powder Concrete of the sound insulating layer is not more than 6mm for the grain size of quartzy sand concrete and the quartz sand.
10. lightweight high tenacity prefabricated high-speed railway non-metal sound barrier according to claim 1 or 2, it is characterised in that：
The sound insulating layer is internally provided with basalt fibre three dimensional network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365801.3U CN207567674U (en) | 2017-10-23 | 2017-10-23 | Lightweight high tenacity prefabricated high-speed railway non-metal sound barrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365801.3U CN207567674U (en) | 2017-10-23 | 2017-10-23 | Lightweight high tenacity prefabricated high-speed railway non-metal sound barrier |
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| CN207567674U true CN207567674U (en) | 2018-07-03 |
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| CN201721365801.3U Expired - Fee Related CN207567674U (en) | 2017-10-23 | 2017-10-23 | Lightweight high tenacity prefabricated high-speed railway non-metal sound barrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747767A (en) * | 2019-09-10 | 2020-02-04 | 北京天润康隆科技股份有限公司 | Novel integrated vertical non-metallic sound barrier system and installation method |
-
2017
- 2017-10-23 CN CN201721365801.3U patent/CN207567674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747767A (en) * | 2019-09-10 | 2020-02-04 | 北京天润康隆科技股份有限公司 | Novel integrated vertical non-metallic sound barrier system and installation method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20181023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |