CN102071653B - Ecological noise barrier - Google Patents
Ecological noise barrier Download PDFInfo
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- CN102071653B CN102071653B CN 201010603699 CN201010603699A CN102071653B CN 102071653 B CN102071653 B CN 102071653B CN 201010603699 CN201010603699 CN 201010603699 CN 201010603699 A CN201010603699 A CN 201010603699A CN 102071653 B CN102071653 B CN 102071653B
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- haydite
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Abstract
The invention relates to an ecological noise barrier, comprising a ceramsite noise barrier main body which is internally provided with a reinforcement fabric, wherein the ceramsite noise barrier is provided with a noise reduction unit. The two side faces of the noise barrier are provided with a plurality of rows of inclined and square holes in a staggered way, and the holes are filled with ceramsites. The middle part of each hole is provided with a water-stop sheet which divides the hole into two parts, namely a sound absorber and an implant. The inner side is the sound absorber, thus realizing the function of absorbing a sound wave; the outside part is the implant, and the surface of the implant is paved with a synthetic fiber blanket, thus realizing the dual functions of fixing the ceramsites and plants. The base plate of the holes is provided with air holes in a certain density. The soilless culture technology is adopted, and the plants grow on the synthetic fiber blanket in implanting holes, thus a soilless ecological noise barrier is formed. Water in a water tank at the top of the noise barrier is transported to each implanting layer by virtue of a pipeline system. In the invention, the dual function of the ceramsites and the plants is utilized to effectively reduce road noise, and the noise barrier in the invention also has the advantages of good landscape effect and less dust pollution.
Description
Technical field:
The present invention relates to a kind of novel ecological sound barrier for absorbing and reduce road traffic and railway traffic noise pollution.
Background technology:
Along with the fast development of communication, traffic noise is day by day serious to the environment pollution in cities and towns, and especially the speed of a motor vehicle is fast on railway and speedway and urban elevated road, flow is large, and road periphery dwelling house and office etc. are caused very large noise and dust pollution.Sound barrier is widely applied on the control road noise.The tradition sound barrier mainly utilizes metal and plastic plate to advance the sound insulation protection.The tradition sound barrier has been ignored the design of the aspects such as sound absorption properties, ecological property, practicality, causes that the sound insulation and noise reduction effect is relatively poor, moulding is single, to situations such as dust pollution are invalid.
Summary of the invention:
Poor in order to overcome traditional sound barrier sound-absorbing effect, landscape effect is undesirable, very easily dyes dirt, and the green sound barrier of Traditional Ecological then needs with earth as shortcomings such as plant substrates, the invention provides a kind of better landscape effect, the comprehensive utilization rainwater without soil type plant dust suction ecological acoustic barrier.
The present invention adopts following technical scheme:
A kind of ecological acoustic barrier comprises: in establish steel mesh reinforcement haydite sound barrier main body, be provided with noise reduction unit in haydite sound barrier main body.
Compared with prior art, the present invention has following advantage:
1. the present invention breaks through traditional sound barrier form, and the sound absorption haydite aggregate by sound absorber, noise reduction plant and sound barrier main body forms triple sound absorptions.
By the noise reduction unit in haydite sound barrier main body arranged sequentially, form " sound absorber " array that is uniformly distributed on the sound barrier main body.Fill the porous materials such as extra-fine glass-wool felt, mineral wool felt, asphalt-bonded glass blanket in the sound absorption chamber, the present invention preferentially selects the sound absorption haydite can reach good acoustically effective.
Refraction, reflection, absorption that the plant of planting in the plantation chamber can pass through plant leaf blade, root, stem form " soft border " on the acoustics, and all-bottom sound is had preferably assimilation effect.
The main body concrete structure of sound barrier adopts the sound absorption haydite as aggregate, and agent structure can possess certain sound-absorbing effect by haydite like this.
Three kinds of sound absorption construction combinations form single sound absorption or the more obvious sound barrier of sound insulation action effect than traditional sound barrier.
2. noise reduction unit has formed the sound absorber array that is uniformly distributed on the sound barrier main body according to arranged sequentially in haydite sound barrier main body up or down.Filling simultaneously the sound absorption haydite in this inclination hole can fully increase the contact area of sound absorber and sound to the structure of horizontal level, makes sound-absorbing effect reach best.
3. owing to adopted haydite concrete as material of main part, sound barrier main body intensity can reach 30.5～40.0Mpa.Haydite concrete density is 1100～1800kg/m
3, and the density of the ordinary concrete of same numeral is up to 2600kg/m
3, design height of the present invention can increase about 30% thus, improves soundproof effect.Main body also can play certain acoustically effective by the haydite effect simultaneously.
4. baffle facade plantation layer forms ecological community preferably ecological pet, alleviates highway driver's the fatigue of travelling; Selection can reduce highway periphery pollution condition to the green plants that dust and heavy metal contaminants have good adsorption properties.
5. plant and plant the unconventional hydroponics technology of layer employing, so there are not soil losses to pollute;
6. plants needs the natural rainwater of moisture priority application, and environmental protection and energy saving is strong.
Description of drawings:
Fig. 1 is I-I sectional view of the present invention.
Fig. 2 is partial sectional view of the present invention.
1, sound barrier main body 2, hole base plate 3, synthetic felt 4, water-stop sheet 5, sound absorption chamber 6, permeable hole 7, plantation chamber 8, side plate 9, gutter 10, steel mesh reinforcement 11, catch basin 12, vertical aqueduct 13, horizontal aqueduct 14, water distributor 15, flexible porous tube 16, noise reduction unit.
The specific embodiment:
A kind of ecological acoustic barrier comprises: in establish steel mesh reinforcement 10 haydite sound barrier main body 1, be provided with noise reduction unit 16 in haydite sound barrier main body 1.Described noise reduction unit 16 comprises: the base plate 2 that is distributed with permeable hole 6, base plate 2 be provided with cut apart by water-stop sheet 4 form sound absorption cavity 5 and in fill out the plantation cavity 7 of sound absorption haydite, in sound absorption chamber 5, be filled with the sound absorption haydite, sound absorption haydite in plantation cavity 7 is coated with synthetic felt 3, plants at synthetic felt 3 and is implanted with flowers and plants.Be provided with side plate 8 and side plate 8 and water-stop sheet 4 at base plate 2, base plate 2 is vertical.
The vertical aqueduct 12 that is provided for collecting the rain-harvesting trough 11 of rainwater and stands on sound barrier main body 1 outside at sound barrier main body 1 top, vertically the top of aqueduct 12 communicates with rain-harvesting trough 11 bottoms, the bottom that is connected with horizontal aqueduct 13 and vertical aqueduct 12 in the bottom of vertical aqueduct 12 is connected with an end of horizontal aqueduct 13, the other end at horizontal aqueduct 13 is connected with water distributor 14, described horizontal aqueduct 13 between rain-harvesting trough 11 and top layer noise reduction unit.Be provided with the flexible porous tube 15 of lateral direction penetrating and the gutter 9 that links to each other with flexible porous tube 15 in the bottom noise reduction unit.
The below makes in more detail the present invention and describing:
The sound absorber design:
The design of sound absorber can divide two aspects, selection material and definite size.
Selection material: fill the porous materials such as extra-fine glass-wool felt, mineral wool felt, asphalt-bonded glass blanket in the sound absorption chamber, this sound barrier adopts haydite.Haydite has 2 advantages: haydite is light material, and bulk density is 300～900kg/m
3, the deadweight that can effectively alleviate sound barrier; Haydite is porous material, and flow resistance is 1500PaS/m
3About, can effectively play sound absorption.
Determine size, the sound contact surface size of sound absorber 5 is the bigger the better, and the contact area with sound wave is the bigger the better.With this, sound absorber adopts triangular prism-shaped as shown in Figure 1.Lay permeable hole 6 at the hole lower baffle plate, the aperture is that 7mm, pitch of holes are 10mm.Sound absorber 5 can have larger sound absorption area like this,
The water-stop sheet design:
Because the principle of ceramic-like porous absorption material, the hole that inner exactly section is interconnected, make sound wave that repeatedly resonance occur therein, then utilize the viscosity of air in material surface and the aperture that Acoustic Wave Propagation is formed damping, thereby convert acoustic wave energy to interior energy.In this process, the thickness of porosity and sound absorption material, and the back of the body chamber of material are most important three factors.And in case have water to enter and in time do not drain, just extruded the air of material internal, and greatly reduced the material porosity, directly cause the forfeiture of material acoustical absorptivity.Therefore, the present invention has adopted water-stop sheet 4 and permeable hole 6 to be used the drying that reaches haydite sound absorption matrix.
The pipe network system design:
Utilize the laying of vertical aqueduct 12, horizontal aqueduct 13, water distributor 14, can in fact rainwater be guided to first floor planting body top.By the permeable hole 6 on every layer of planting body base plate rainwater is guided in every layer of planting body.So namely realize the pouring of plant, saved again tubing.
Vegetable layer:
The effect of vegetable layer has three aspects.One is sound absorption, and planting density is larger, and acoustically effective can be better, thereby more obvious in the effect meeting of the sound-soft boundary that barrier forms, so produce better noise reduction; Two is depositing dust, and plant leaf surface has obvious sorption settlement action to the traffic dust, and can filter by bike tail gas, purifies air; Three is attractive in appearance, and plant is remarkable to the road environment landscaping effect, alleviates driver's fatigue of travelling.
Cultivation technique without soil is adopted in vegetation plantation, according to the characteristics more than the regional rainwater of that side, utilizes sound barrier top catch basin rainwater that plant is carried out the moisture supply, and the supply of nutrient solution can realize by regularly adding nutriment in the catch basin.
Claims (6)
1. ecological acoustic barrier, it is characterized in that, comprise: in establish steel mesh reinforcement (10) haydite sound barrier main body (1), be provided with noise reduction unit (16) in haydite sound barrier main body (1), described noise reduction unit (16) comprising: the base plate (2) that is distributed with permeable hole (6), base plate (2) be provided with cut apart by water-stop sheet (4) form sound absorption chamber (5) and in fill out the plantation chamber (7) of the haydite that absorbs sound, in sound absorption chamber (5), be filled with the sound absorption haydite, in plantation chamber (7), plant and be implanted with flowers and plants.
2. ecological acoustic barrier, it is characterized in that, comprise: in establish steel mesh reinforcement (10) haydite sound barrier main body (1), be provided with noise reduction unit (16) in haydite sound barrier main body (1), described noise reduction unit (16) comprising: the base plate (2) that is distributed with permeable hole (6), base plate (2) be provided with cut apart by water-stop sheet (4) form sound absorption cavity (5) and in fill out the plantation cavity (7) of the haydite that absorbs sound, in sound absorption chamber (5), be filled with the sound absorption haydite, sound absorption haydite in plantation cavity (7) is coated with synthetic felt (3), plants at synthetic felt (3) and is implanted with flowers and plants.
3. ecological acoustic barrier according to claim 1 and 2 is characterized in that, is provided with side plate (8) and side plate (8) and water-stop sheet (4) at base plate (2), base plate (2) is vertical.
4. ecological acoustic barrier according to claim 1, it is characterized in that, be provided for collecting the rain-harvesting trough (11) of rainwater at sound barrier main body (1) top and stand on the vertical aqueduct (12) in sound barrier main body (1) outside, vertically the top of aqueduct (12) communicates with rain-harvesting trough (11) bottom, the bottom that is connected with horizontal aqueduct (13) and vertical aqueduct (12) in the bottom of vertical aqueduct (12) is connected with an end of horizontal aqueduct (13), the other end at horizontal aqueduct (13) is connected with water distributor (14), and described horizontal aqueduct is positioned at (13) and is positioned between rain-harvesting trough (11) and the top layer noise reduction unit.
5. ecological acoustic barrier according to claim 4 is characterized in that, is provided with the flexible porous tube (15) of lateral direction penetrating and the gutter (9) that links to each other with flexible porous tube (15) in the bottom noise reduction unit.
6. ecological acoustic barrier according to claim 1 and 2 is characterized in that, noise reduction unit (16) is according to arranged sequentially on haydite sound barrier main body (1) up or down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603699 CN102071653B (en) | 2010-12-24 | 2010-12-24 | Ecological noise barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603699 CN102071653B (en) | 2010-12-24 | 2010-12-24 | Ecological noise barrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102071653A CN102071653A (en) | 2011-05-25 |
| CN102071653B true CN102071653B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010603699 Expired - Fee Related CN102071653B (en) | 2010-12-24 | 2010-12-24 | Ecological noise barrier |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386415B (en) * | 2015-11-16 | 2018-02-13 | 黄立 | A kind of ecological type sound screen device and the greening isolating device for town road |
| CN108343000B (en) * | 2017-01-23 | 2024-03-15 | 正升环境科技股份有限公司 | Sound absorption and insulation unit and greening sound barrier using same |
| CN107935545A (en) * | 2017-11-07 | 2018-04-20 | 常州建轩纺织品有限公司 | A kind of track sound absorption slipper |
| CN108677777A (en) * | 2018-06-08 | 2018-10-19 | 上海言诺建筑材料有限公司 | Acoustic barrier |
| CN108677775A (en) * | 2018-06-08 | 2018-10-19 | 上海言诺建筑材料有限公司 | Acoustic barrier structure and expressway barrier device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0965686A1 (en) * | 1998-06-19 | 1999-12-22 | Bernard Nakul | Noise and wind protection walls, presented in the form of assembly sets |
| FR2780074A1 (en) * | 1998-06-19 | 1999-12-24 | Bernard Nakul | Sound insulation screen for dwelling |
| CN101240526A (en) * | 2008-03-21 | 2008-08-13 | 东南大学 | Sound barrier used for viaduct |
| CN201155087Y (en) * | 2008-01-09 | 2008-11-26 | 宜昌汇中环境工程有限责任公司 | Ecological acoustical barrier structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202039302U (en) * | 2010-12-24 | 2011-11-16 | 东南大学 | Ecologic sound barrier |
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- 2010-12-24 CN CN 201010603699 patent/CN102071653B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0965686A1 (en) * | 1998-06-19 | 1999-12-22 | Bernard Nakul | Noise and wind protection walls, presented in the form of assembly sets |
| FR2780074A1 (en) * | 1998-06-19 | 1999-12-24 | Bernard Nakul | Sound insulation screen for dwelling |
| CN201155087Y (en) * | 2008-01-09 | 2008-11-26 | 宜昌汇中环境工程有限责任公司 | Ecological acoustical barrier structure |
| CN101240526A (en) * | 2008-03-21 | 2008-08-13 | 东南大学 | Sound barrier used for viaduct |
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| CN102071653A (en) | 2011-05-25 |
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Granted publication date: 20130424 Termination date: 20161224 |