CN202157276U - Full-shadow type acoustic barrier - Google Patents
Full-shadow type acoustic barrier Download PDFInfo
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- CN202157276U CN202157276U CN2011200976491U CN201120097649U CN202157276U CN 202157276 U CN202157276 U CN 202157276U CN 2011200976491 U CN2011200976491 U CN 2011200976491U CN 201120097649 U CN201120097649 U CN 201120097649U CN 202157276 U CN202157276 U CN 202157276U
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- sound barrier
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Abstract
The utility model relates to a full-shadow type acoustic barrier, characterized in that: an acoustic barrier main structure is composed of a door type arc steel arch bracket (10) arranged in the upper space of the road surface, a rigid tie bar (32) connecting the adjacent steel arch brackets and a cross support rod (33); a purline (11) is arranged on the acoustic barrier main structure and simultaneously the purline (11) arranged on the main structure is used as the support and anti-collision wall contact surfaces symmetrically to the road surface towards left, right sides are arranged along a center axle (17) of the acoustic barrier; one acoustic absorber (12), one ventilation smoke emission part (14), one acoustic absorber (12), one light collection part (13), one acoustic absorber (12) and one light collection part (13) are arranged in interval, thus a full closed or half closed type full-shadow type acoustic barrier structure capable of completely barring the direct sound is formed on the road. The full-shadow type acoustic barrier is suitable for the city backbone road, so as to effectively reduce the traffic noise of the city backbone road and also effectively reduce the sound reverberation in the acoustic barrier area and ensure the safety and comfort degree of the road user. The acoustic barrier is suitable for the building compact district adjacent to the city backbone road.
Description
Technical field
The utility model relates to a kind of sound barrier, refers in particular to a kind of umbra type sound barrier; Belong to the urban road noise removing and reduce technical field.
Background technology
In recent years, along with the development of road traffic and urban construction, the through street that the magnitude of traffic flow is big and travel speed is high is extensively built in the city and is come into operation, and the thing followed is that the traffic noise problem that disturbs residents is also serious day by day.For the overwhelming majority's old town, roading can't be changed, and the residential district building also is shaped already.Indivedual metropolis are because historical reasons; Situation is more abominable; The office building of a lot of esidential building buildings, hospital, school and scientific research institution is close to urban traffic major trunk roads, viaduct, light rail, and this irrational layout of buildings causes the complaint amount surge of resident for road traffic noise.
For this situation, adopting mosaic type, disconnectable sound barrier is the higher scheme of a kind of cost performance.Through the baffle vertical with the road surface is set in the road both sides, in order to stopping the community radiation of vehicle noise, but because the three-dimensional circulation way of sound wave, causes a part of noise to cross sound barrier top diffraction and go out arrival and receive point to the road both sides; Part noise penetrates sound barrier arrival and receives point; Some noise receives point through the repeatedly reflection arrival of the parallel sound barrier wall in both sides; Particularly the highrise building of road both sides forms " valley effect " in the metropolis; Also play the effect of reflecting background indirectly; And sound barrier can not be designed to infinite height and endless, therefore for nearer apart from road, floor is higher receives point, common open type sound barrier can only make the part floor of high-lager building be in the sound shadow region; Can't whole reach the effect of remarkable reduction traffic noise, so the noise reduction of sound barrier is often unsatisfactory.
Therefore, this is a kind of as a kind of effective and economic method that reduces traffic noise how to make good use of sound barrier, makes the techno-economic effect of its performance maximum, has great importance for the living environment quality that improves the resident.
Summary of the invention
The purpose of the utility model: be intended to propose a kind of umbra type sound barrier that can effectively administer major urban arterial highway and tunnel Access Road Traffic noise, solve the ubiquitous traffic noise of urban highway traffic and administer difficult predicament.
This umbra type sound barrier is characterized in that: it is by the gate-type arc steel bow member that is arranged on the road surface upper space and connect the rigid tie bar of adjacent each steel bow member and the sound barrier main body framework that the cross support bar forms, and on the main body framework, disposes purlin; Simultaneously; Be support to be arranged on purlin on the main body framework, the symmetry crashproof wall contact surface that on the road surface, is provided with of both sides to the left and right along place, sound barrier axis; The interval is provided with sound absorber, ventilation smoke exhaust portion, sound absorber, daylighting portion, sound absorber and daylighting portion, constitutes thus road is formed the totally-enclosed or semiclosed umbra type noise barrier structure that can exclude direct sound fully.
The area of said ventilation smoke exhaust portion is not less than 5% of path area; Described ventilation smoke exhaust portion is provided with baffle plate, and described baffle plate is located at the right and left of ventilation smoke exhaust portion opening, is connected with main purlin through securing member.
The area of said daylighting portion is not less than 10% of path area; Said daylighting portion is made up of the main purlin and the subpurlin of plane skylight and fixing lighting plate, and is fixedly connected with sound barrier main body framework or crashproof wall through main purlin.
Described sound absorber is made up of aluminium sheet, PLASTIC LAMINATED and sound absorption material; Sound absorption material adopts the light vegetable fiber sprayed on material, and described aluminium sheet and sound-absorbing material layer are separately positioned on the upper and lower side of main purlin and cooperate the formation double-decker through subpurlin and angle sign indicating number spare, aluminium sheet connector, securing member; Described sound-absorbing material layer sticks on the PLASTIC LAMINATED; PLASTIC LAMINATED is fixed with the subpurlin that main purlin is connected through securing member; And the characteristics that existence is vibrated to road environment, arrange evenly that in sound-absorbing material layer anchoring piece is to play the anchorage effect of sound-absorbing material layer in vibration environment; The thickness of sprayed on material is 25mm.
The center of described sound barrier main body framework can be provided with the sound-proof wall that road surface under the barrier is separated into left and right two halves as required.
This umbra type sound barrier that is applicable to major urban arterial highway according to above technical scheme proposition; Can not only effectively reduce the traffic noise of major urban arterial highway; And can effectively reduce the reverberation in the sound barrier zone; Guaranteeing the safety and the comfort level of road user, is a kind of sound barrier that is applicable near the building dense of major urban arterial highway zone.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the plan view of the utility model;
Fig. 3 is the stereogram of the utility model;
Fig. 4 is rigid tie bar and cross support arrangement diagram;
Fig. 5 is the baffle arrangement sketch map;
Fig. 6 is a string sound absorber mounting structure sketch map;
Fig. 7 is a daylighting portion mounting structure sketch map;
Fig. 8 is a sound barrier design principle sketch map.
Among the figure: 1-sound barrier 2-transmission path 3-sound shadow region 4-receives sound point 5-diffraction path
6- refraction path 7- direct projection path 8- sound source 9- sound is according to the crashproof wall 20- of the district 10- steel bow member 11.1- master purlin 11.2- subpurlin 12- sound absorber 13- daylighting 13.1- of portion plane skylight 14- aeration portion 15- sound-proof wall 16- track clearance 17- road medium line 18- ground 19- purlin holder 21- aluminium alloy indent 22- aluminium sheet 24- angle sign indicating number 25- fluid sealant 26- PLASTIC LAMINATED 27- sound-absorbing material layer 28- aluminium sheet connector 29- baffle plate 30- anchoring piece 31- securing member 32- rigid tie bar 33- cross support bar A1, A2-A-road.
The specific embodiment
Further set forth the utility model below in conjunction with accompanying drawing, and provide the embodiment of the utility model.
As shown in Figure 8, the sound that sends of our sound generation source 8 zone that can directly arrive is called sound according to the district usually, and the zone that can not directly arrive sound calls sound shadow region 3.The effect of sound barrier 1 is exactly to stop through sonic propagation, isolates transmission sound, and makes diffraction sound that enough decay arranged.To major urban arterial highway road fabric width, receive that sound point 4 is near apart from road, building is up to, characteristics that noise figure is high, realize the target of remarkable noise reduction, key is the sound shadow region 3 that enlarges sound barrier; Stop direct sound fully; And sound barrier 1 should have certain sound absorption face, isolates transmission sound, and through reasonably design; Effectively weaken the diffraction that sound barrier end and top open part form, reach the purpose of controlling noise.
Simultaneously; The road noise barrier design is a kind of engineering technology problem of multiple target multiple constraint; They all must satisfy the needs of local view in the selection of aspects such as layout, form, material, structure, structure and decorative appearance, also will guarantee economy, practicality and durability simultaneously.
This umbra type sound barrier as shown in Figure 1; It is characterized in that: it is by the gate-type arc steel bow member 10 that is arranged on the road surface upper space and connect the sound barrier main body framework that rigid tie bar (among Fig. 4 32) and the cross support bar (among Fig. 4 33) of adjacent each bow member form, and on the main body framework configuration purlin 11; Simultaneously; Be support to be arranged on purlin 11 on the main body framework, (road medium line) 17 place's symmetries crashproof wall contact surface of on the road surface, being provided with of both sides to the left and right along the sound barrier axis; The interval is provided with sound absorber 12, ventilation smoke exhaust portion 14, sound absorber 12, daylighting portion 13, sound absorber 12 and daylighting portion 13, constitutes thus road is formed totally-enclosed or semiclosed, as to exclude direct sound fully umbra type noise barrier structure.
Described sound absorber 12, ventilation smoke exhaust portion 14, sound absorber 12, daylighting portion 13, sound absorber 12 and daylighting portion 13; Present distributing at the ribbon of umbra type sound barrier axial direction shown in accompanying drawing 3, the area of said ventilation smoke exhaust portion 14 wherein is not less than 5% of path area; The daylighting gross area of said daylighting portion 13 is not less than 10% of path area.Daylighting area is confirmed according to the light transmittance of plane skylight material in the practice.
Described ventilation smoke exhaust portion is provided with baffle plate 29, and described baffle plate 29 is located at the right and left of ventilation smoke exhaust portion opening, is connected with main purlin 11.1 through securing member.The baffle plate that exceeds ventilation smoke exhaust portion top and bottom can effectively reduce the noise intensity of internal noise through the outside diffraction of ventilation smoke exhaust mouth, and can be used as water baffle and prevent that rainwater from through letting out the formation curtain of rain under the smoke evacuation band opening part, having influence on vehicle driving safety.
Said daylighting portion is made up of with main purlin 11.1 plane skylight 13.1 and the subpurlin 11.2 that supports plane skylight; And be fixedly connected with sound barrier main body framework 10 through main purlin; Constitute the daylighting portion that is positioned at sound barrier main body framework top; Or part sound barrier main body framework 10 is fixedly connected the sound barrier main body framework 10 side portion daylighting portions that are positioned at that part is fixedly connected with crashproof wall 9.
Described sound absorber is made up of aluminium sheet 22, PLASTIC LAMINATED 26 and sound-absorbing material layer 27, and described aluminium sheet 22 is separately positioned on the upper and lower side of main purlin 11.1 and cooperates the formation double-decker through subpurlin 11.2 and angle sign indicating number spare 24, aluminium sheet connector 28, securing member 31 with sound-absorbing material layer 27; Described sound-absorbing material layer 27 sticks on the PLASTIC LAMINATED 26; PLASTIC LAMINATED is fixed on the subpurlin 11.2 that is connected with main purlin 11.1 through securing member 31; And the characteristics that existence is vibrated to road environment, arrange evenly that in sound-absorbing material layer anchoring piece 28 is to play the anchorage effect of sound-absorbing material layer in vibration environment.
Described sound-absorbing material layer 27 adopts the light vegetable fiber sprayed on material, is that the thick string sprayed on material of 25mm constitutes by thickness.Its average noise reduction coefficient is not less than 0.75.
Said sound barrier bottom vertical section partly adopts the higher plane skylight of transparency to increase driver's the visual field at tunnel exit near the daylighting at place, ground, guarantees the traffic safety of tunnel face.Because adopt natural lighting, generally need not to use electric lighting daytime, reduced the consumption of the energy.
Claims (8)
1. umbra type sound barrier, it is characterized in that: it is by the gate-type arc steel bow member that is arranged on the road surface upper space and connect the rigid tie bar of adjacent each steel bow member and the sound barrier main body framework that the cross support bar forms, and on the main body framework, disposes purlin; Simultaneously; Be support to be arranged on purlin on the main body framework, the symmetry crashproof wall contact surface that on the road surface, is provided with of both sides to the left and right along place, sound barrier axis; The interval is provided with sound absorber, ventilation smoke exhaust portion, sound absorber, daylighting portion, sound absorber and daylighting portion, constitutes thus road is formed the totally-enclosed or semiclosed umbra type noise barrier structure that can exclude direct sound fully.
2. a kind of umbra type sound barrier according to claim 1 is characterized in that: the area of said ventilation smoke exhaust portion is not less than 5% of path area.
3. a kind of umbra type sound barrier according to claim 1 is characterized in that: the area of said daylighting portion is not less than 10% of path area.
4. a kind of umbra type sound barrier according to claim 3; It is characterized in that: said daylighting portion is made up of the main purlin (11.1) and the subpurlin (11.2) of plane skylight (13.1) and fixing lighting plate, and is fixedly connected with sound barrier main body framework (10) or crashproof wall (9) through main purlin.
5. a kind of umbra type sound barrier according to claim 2 is characterized in that: described ventilation smoke exhaust portion is provided with baffle plate, and described baffle plate (29) is located at the right and left of ventilation smoke exhaust portion opening, is connected with main purlin (11.1) through securing member.
6. a kind of umbra type sound barrier according to claim 1; It is characterized in that: described sound absorber is made up of aluminium sheet (22), PLASTIC LAMINATED (26) and sound-absorbing material layer (27), and described aluminium sheet (22) and sound-absorbing material layer (27) are separately positioned on the upper and lower side of main purlin (11.1) and cooperate the formation double-decker through subpurlin (11.2) and angle sign indicating number spare (24), aluminium sheet connector (28), securing member (31); Described sound-absorbing material layer (27) sticks on the PLASTIC LAMINATED (26); PLASTIC LAMINATED is fixed on the subpurlin (11.2) that is connected with main purlin (11.1) through securing member (31); And the characteristics that existence is vibrated to road environment, arrange evenly that in sound-absorbing material layer anchoring piece (28) is to play the anchorage effect of sound-absorbing material layer in vibration environment.
7. a kind of umbra type sound barrier as claimed in claim 6 is characterized in that: described sound-absorbing material layer (27) adopts the light vegetable fiber sprayed on material, is that the thick string sprayed on material of 25mm constitutes by thickness; Its average noise reduction coefficient is not less than 0.75.
8. a kind of umbra type sound barrier as claimed in claim 1 is characterized in that: the center of described sound barrier main body framework can be provided with the sound-proof wall (15) that road surface under the barrier is separated into left and right two halves as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976491U CN202157276U (en) | 2011-04-06 | 2011-04-06 | Full-shadow type acoustic barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976491U CN202157276U (en) | 2011-04-06 | 2011-04-06 | Full-shadow type acoustic barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202157276U true CN202157276U (en) | 2012-03-07 |
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ID=45764918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200976491U Expired - Lifetime CN202157276U (en) | 2011-04-06 | 2011-04-06 | Full-shadow type acoustic barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202157276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182152A (en) * | 2011-04-06 | 2011-09-14 | 上海船舶运输科学研究所 | Whole image sound barrier for urban quick lane and tunnel portal |
| CN104652303A (en) * | 2015-01-06 | 2015-05-27 | 西安中交万向科技股份有限公司 | Novel noise elimination structure and elimination method for road |
-
2011
- 2011-04-06 CN CN2011200976491U patent/CN202157276U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182152A (en) * | 2011-04-06 | 2011-09-14 | 上海船舶运输科学研究所 | Whole image sound barrier for urban quick lane and tunnel portal |
| CN104652303A (en) * | 2015-01-06 | 2015-05-27 | 西安中交万向科技股份有限公司 | Novel noise elimination structure and elimination method for road |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
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| CX01 | Expiry of patent term |