CN102182152B - Whole image sound barrier for urban quick lane and tunnel portal - Google Patents
Whole image sound barrier for urban quick lane and tunnel portal Download PDFInfo
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- CN102182152B CN102182152B CN 201110085181 CN201110085181A CN102182152B CN 102182152 B CN102182152 B CN 102182152B CN 201110085181 CN201110085181 CN 201110085181 CN 201110085181 A CN201110085181 A CN 201110085181A CN 102182152 B CN102182152 B CN 102182152B
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Abstract
The invention relates to a whole image sound barrier for an urban quick lane and a tunnel portal. The sound barrier is characterized by consisting of gate-type arc steel arch racks arranged in the upper space of a pavement, and a sound barrier main body framework consisting of rigid tie rods for connecting the adjacent arch racks and cross supporting rods, wherein purlines are arranged on the main body framework; and meanwhile, the purlines arranged on the main body framework are used as supports, anti-collision wall contact faces are formed symmetrically on the left and right sides along the central axis of the sound barrier till the pavement, and a sound absorber, a ventilated exhaust part, a sound absorber, a lighting part, a sound absorber and a lighting part are arranged at intervals, so that a full-closed for semi-closed whole image sound barrier structure capable of totally isolating direct sound is formed for a road. The whole image sound barrier for the urban main road can effectively reduce the traffic noise of the urban main road, effectively reduce the reverberation in a sound barrier area and ensure the safety and the comfort degree of a road user, and is a sound barrier suitable for a building dense area nearby the urban main road.
Description
Technical field
The present invention relates to a kind of sound barrier, refer in particular to a kind of Full-shadow type acoustic barrier for city express lane and tunnel face; Belong to urban road noise and eliminate the reduction 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 large 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 day by day serious.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 resident for the complaint amount surge of road traffic noise.
For this situation, adopting mosaic type, disconnectable sound barrier is the higher scheme of a kind of cost performance.By the baffle vertical with the road surface is set in the road both sides, in order to stopping vehicle noise to community's radiation of road both sides, 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 be subjected to point; Part noise penetrates sound barrier arrival and is subjected to point; Some noise is subjected to point by the Multi 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 indirectly play the effect of reflecting background, and sound barrier can not be designed to infinite height and endless, therefore near for the distance road, floor is higher is subjected to 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
Purpose of the present invention: be intended to propose a kind of Full-shadow type acoustic barrier that can effectively administer major urban arterial highway and tunnel Access Road Traffic noise, the ubiquitous traffic noise of solving urban road traffic is administered difficult predicament.
This Full-shadow type acoustic barrier for city express lane and tunnel face, it is characterized in that: it is by the gate-type arc-shaped steel bow member that is arranged on the road surface upper space and connect the rigid tie bar of adjacent each bow member and the sound barrier main body framework that the cross support bar forms, and disposes purlin at the main body framework; Simultaneously, locate symmetrical to the left and right both sides as support, along the sound barrier axis until the anti-collision wall contact surface that arranges on the road surface take the purlin that is arranged on the main body framework, the interval arranges sound absorber, ventilation smoke exhaust section, sound absorber, daylighting section, sound absorber and daylighting section, consists of thus road is formed the totally-enclosed or semiclosed Full-shadow type acoustic barrier structure that can exclude direct sound fully.
The area of described ventilation smoke exhaust section is not less than 5% of path area; Described ventilation smoke exhaust section is provided with baffle plate, and described baffle plate is located at the right and left of ventilation smoke exhaust section opening, is connected with main purlin by securing member.
The area of described daylighting section is not less than 10% of path area; Described daylighting section is comprised of main purlin and the subpurlin of plane skylight and fixing lighting plate, and is fixedly connected with sound barrier main body framework or anti-collision wall by main purlin.
Described sound absorber is made of aluminium sheet, PLASTIC LAMINATED and sound absorption material; Sound absorption material adopts the light vegetable fiber sprayed on material.Described aluminium sheet and sound-absorbing material layer are separately positioned on the upper and lower side of main purlin, and described aluminium sheet is fixed through subpurlin and corner brace part, and described sound-absorbing material layer is connected through aluminium sheet connector, securing member, consists of thus double-decker; Simultaneously, described sound-absorbing material layer sticks on the PLASTIC LAMINATED, PLASTIC LAMINATED is fixed through the secondary purlin that securing member is connected with main purlin, and has the characteristics of vibrating for road environment, is evenly arranged anchoring piece to play the anchorage effect of sound-absorbing material layer in vibration environment in sound-absorbing material layer; 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.
The anti-collision wall of described gate-type arc-shaped steel bow member bottom and whole installation links into an integrated entity by pre-embedded bolt.
At the sound barrier light collecting body of tunnel exit and ground level road joining place, adopt the good material of transparency as light collecting body.
This Full-shadow type acoustic barrier that is used for city express lane and tunnel face 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 reverberation in the sound barrier zone, guaranteeing the safety and comfort degree of road user, is a kind of sound barrier that is applicable near the building dense zone of major urban arterial highway.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is stereogram of the present utility model;
Fig. 4 is rigid tie bar and cross support arrangement diagram;
Fig. 5 is the baffle arrangement schematic diagram;
Fig. 6 is string sound absorber mounting structure schematic diagram;
Fig. 7 is daylighting section mounting structure schematic diagram;
Fig. 8 is the Sound Barrier Design principle schematic.
In figure: 1-sound barrier 2-transmission path 3-acoustic shadow 4-is subjected to 6-refraction path 7-direct projection path, sound point 5-diffraction path 8-sound source 9-sound according to the district 10-steel arch frame 11.1-master purlin 11.2-subpurlin 12-sound absorber 13-daylighting 13.1-of the section plane skylight 14-ventilation smoke exhaust 15-of section sound-proof wall 16-track clearance 17-road medium line 18-ground 19-anti-collision wall 20-purlin holder 21-aluminium alloy indent 22-aluminium sheet 24-corner brace 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 present invention below in conjunction with accompanying drawing, and provide embodiments of the invention.
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 becomes sound shadow region 3.The effect of sound barrier 1 is exactly to stop through sonic propagation, isolation transmission sound, and make diffraction sound that enough decay be arranged.For major urban arterial highway road fabric width, be subjected to 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, isolation transmission sound, and by reasonably design, effectively weaken the diffraction that sound barrier end and top open part form, reach the purpose of control 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 landscape in the selection of the aspects such as layout, form, material, structure, structure and decorative appearance, also will guarantee economy, practicality and durability simultaneously.
This Full-shadow type acoustic barrier for city express lane and tunnel face as shown in Figure 1, it is characterized in that: it is by the gate-type arc-shaped steel bow member 10 that is arranged on the road surface upper space and connect the rigid tie bar (among Fig. 4 32) of adjacent each bow member and sound barrier main body framework that cross support bar (among Fig. 4 33 in) forms, and at main body framework configuration purlin 11; Simultaneously, take be arranged on the main body framework purlin 11 as support, along the sound barrier axis 17 place's symmetries to the left and right both sides until the anti-collision wall contact surface that arranges on the road surface, the interval arranges sound absorber 12, ventilation smoke exhaust section 14, sound absorber 12, daylighting section 13, sound absorber 12 and daylighting section 13, consists of thus road is formed totally-enclosed or semiclosed, as to exclude direct sound fully Full-shadow type acoustic barrier structure.
Described sound absorber 12, ventilation smoke exhaust section 14, sound absorber 12, daylighting section 13, sound absorber 12 and daylighting section 13, present distributing at the ribbon of Full-shadow type acoustic barrier axial direction as shown in Figure 3, the area of described ventilation smoke exhaust section 14 wherein is not less than 5% of path area; The daylighting gross area of described daylighting section 13 is not less than 10% of path area.Daylighting area is determined according to the light transmittance of plane skylight material in the practice, and described daylighting section is comprised of plane skylight 13.1 and fixing lighting plate master purlin 11.1 and subpurlin 11.2, and is fixedly connected with sound barrier main body framework 10 or anti-collision wall 9 by main purlin.
Described ventilation smoke exhaust section is provided with baffle plate 29, and described baffle plate 29 is located at the right and left of ventilation smoke exhaust section opening, is connected with main purlin 11.1 by securing member.By exceeding the baffle plate 29 of ventilation smoke exhaust section top and bottom, can effectively reduce the noise intensity of internal noise by the outside diffraction of ventilation 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.
Described sound absorber is made of aluminium sheet 22, PLASTIC LAMINATED 26 and sound-absorbing material layer 27; Described aluminium sheet 22, sound-absorbing material layer 27 are separately positioned on the upper and lower side of main purlin 11.1, described aluminium sheet 22 is fixing through subpurlin 11.2 and corner brace part 24, described sound-absorbing material layer 27 is connected through aluminium sheet connector 28, securing member 31, consists of thus double-decker; Simultaneously, described sound-absorbing material layer 27 sticks on the PLASTIC LAMINATED 26, PLASTIC LAMINATED is on securing member 31 and subpurlin 11.2 that main purlin 11.1 is connected, and the characteristics that existence is vibrated for road environment, in sound-absorbing material layer, be evenly arranged anchoring piece 28 to play the anchorage effect of sound-absorbing material layer in vibration environment.
Described sound absorber material layer 27 adopts the light vegetable fiber sprayed on material, and the average noise reduction coefficient of string sprayed on material that 25mm is thick is not less than 0.75.
Described sound barrier bottom vertical section partly adopts the higher plane skylight of transparency at tunnel exit near the daylighting at place, ground, increased driver's the visual field, guaranteed the traffic safety of tunnel face, owing to adopt natural lighting, generally need not to use electric lighting daytime, reduced the consumption of vehicular energy.
The anti-collision wall of described gate-type arc-shaped steel bow member bottom and whole installation links into an integrated entity by pre-embedded bolt.
The design principle of the described sound barrier of invention that proposes according to above technical scheme is as follows:
According to barrier acoustics design principle, for major urban arterial highway road fabric width, sensitive spot is near apart from road, building is tall and big, noise figure is high characteristics, realize the target of remarkable noise reduction, key is the sound shadow region that enlarges barrier, exclude direct sound fully, and barrier should have certain sound absorption face, can effectively weaken the intensity in the noise face source of barrier end and top open part formation, and can effectively reduce reverberation sound.
The first, will build up above-mentioned sound barrier (sound insulation canopy), must exclude direct sound fully, it is totally-enclosed or semiclosed that sound barrier will approach formation to road, and open top position and size will be passed through calculative determination, when being necessary sound-proof wall can be set.
The second, this kind sound barrier (sound insulation canopy) is as being used for the access, tunnel, and its building area is greater than 300m
2The time, consider fire control smoke exhausting and the needs that ventilate, the open top area should be greater than 5% of floor area, and to reach the requirement of natural draught system and ventilation, the smoke evacuation band also can play the evenly effect of discharging of waste gas that makes simultaneously.
Three, this kind sound barrier is considered from aspects such as view, driving comfort level and daylightings, and the transparent body of certain area should be arranged, and the area of the transparent body and setting position will require design according to natural lighting and traffic safety.This kind sound barrier (sound insulation canopy) is when being used for the access, tunnel, and requirement that can the integrating tunnel light transition section designs together, can have the interception of light transition section concurrently.Transparent material should be selected the material of lightweight, landscape effect and good weatherability.
Four, consider that in second ventilation smoke exhaust arranges smoke evacuation band, can make noise pass through the smoke evacuation band to external radiation after the smoke evacuation band being set.This kind sound barrier solves consequent problem by baffle arrangement is set, and also solves top rainwater simultaneously and comes down in torrents in the tunnel.
Five, this kind sound barrier, the sound absorption and insulation body is made of aluminium sheet, PLASTIC LAMINATED and sound absorption material, and sound absorption material is selected the light vegetable fiber sprayed on material.This kind sprays formula fiber sound absorption material and is comprised of organic fiber and aqua type adhesive, sprays by air pressure pump after mixing and stirring, and not only sound absorbing capabilities is excellent, and also has goodish thermal insulation function and the base material that is sprayed is shielded.Simple structure, convenient and quick construction is a kind of broad-spectrum environment-friendly type sound absorption material, is specially adapted to wait, the sound absorption reduction of waiting hall, conference and exhibition center, stadiums, the Acoustic treatment of performing in a radio or TV programme the place and access, tunnel, subway railway platform.This is that this kind material is used for road sound insulation canopy first.
Six, need at road access face place, tunnel in the Sound Barrier Design, consider that the traffic sighting distance needs, the higher daylighting part of transparency is set to increase driver's the visual field.
Seven, the structure design of sound barrier meets the traffic safety requirement, and the structure design on bow member basis is considered crashproof, can not form to topple or integral body collapses, and satisfy boundary line of road construction, and outer surface material adopts inferior light to process, and surrounding resident is not produced light pollution.
Through new road construction tunnel and Pu, tunnel, the Da Pu road practical application that entrance passes through the resident compact district that exports to the west in Shanghai, adopt first at home the sound barrier sound insulation and noise reducing of sound insulation canopy pattern, this barrier comprehensive technical performance also is able to abundant check, the barrier noise reduction reaches more than the 15dB, has obtained good noise reduction and social benefit.
The actual use shows that 1. technique scheme has increased the sound shadow region of barrier greatly, excludes direct sound fully, is specially adapted to the major urban arterial highway of Road fabric width, and the situation that sensitive spot is near apart from road, building is tall and big, noise figure is high; 2. adopt natural lighting and ventilation smoke exhaust; 3. adopt novel string sprayed-on acoustical material; 4. the design of sound barrier (sound insulation canopy) meets the traffic safety requirement, and basic constructional design is considered crashproof, can not form integral body and collapse.
Claims (10)
1. Full-shadow type acoustic barrier that is used for city express lane and tunnel face, it is characterized in that: it is by the gate-type arc-shaped steel bow member that is arranged on the road surface upper space and connect the rigid tie bar of adjacent each steel arch frame and the sound barrier main body framework that the cross support bar forms, and disposes purlin at the main body framework; Simultaneously, locate symmetrical to the left and right both sides as support, along the sound barrier axis until the anti-collision wall contact surface that arranges on the road surface take the purlin that is arranged on the main body framework, the interval arranges sound absorber, ventilation smoke exhaust section, sound absorber, daylighting section, sound absorber and daylighting section, consists of thus road is formed the totally-enclosed or semiclosed Full-shadow type acoustic barrier structure that can exclude direct sound fully.
2. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 1 is characterized in that: the area of described ventilation smoke exhaust section is not less than 5% of path area.
3. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 1 is characterized in that: the area of described daylighting section is not less than 10% of path area; Described daylighting section is comprised of plane skylight (13.1) and fixing lighting plate master purlin (11.1) and subpurlin (11.2), and is fixedly connected with sound barrier main body framework (10) or anti-collision wall (9) by main purlin.
4. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 3 is characterized in that: described ventilation smoke exhaust section is provided with baffle plate (29); Described baffle plate (29) is located at the right and left of ventilation smoke exhaust section opening, is connected with main purlin (11.1) by securing member.
5. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 2, it is characterized in that: described daylighting section is comprised of plane skylight (13.1) and fixing lighting plate master purlin (11.1) and subpurlin (11.2), and is fixedly connected with sound barrier main body framework (10) or anti-collision wall (9) by main purlin.
6. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 3 is characterized in that: described sound absorber is made of aluminium sheet (22), PLASTIC LAMINATED (26) and sound-absorbing material layer (27); Described aluminium sheet (22), sound-absorbing material layer (27) are separately positioned on the upper and lower side of main purlin (11.1); Described aluminium sheet (22) is fixing through subpurlin (11.2) and corner brace part (24), and described sound-absorbing material layer 27 is connected through aluminium sheet connector (28), securing member (31), consists of thus double-decker; Simultaneously, described sound-absorbing material layer (27) sticks on the PLASTIC LAMINATED (26), PLASTIC LAMINATED is connected on the subpurlin (11.2) through securing member (31) and main purlin (11.1), and the characteristics that existence is vibrated for road environment, in sound-absorbing material layer, be evenly arranged anchoring piece (28) to play the anchorage effect of sound-absorbing material layer in vibration environment.
7. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face 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 consists of by thickness; Its average noise reduction coefficient is not less than 0.75.
8. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 1, it is characterized in that: the center of described sound barrier main body framework is provided with the sound-proof wall that road surface under the barrier is separated into left and right two halves.
9. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 1, it is characterized in that: the anti-collision wall of described gate-type arc-shaped steel bow member bottom and whole installation links into an integrated entity by pre-embedded bolt.
10. a kind of Full-shadow type acoustic barrier for city express lane and tunnel face as claimed in claim 1 is characterized in that: at the sound barrier light collecting body of tunnel exit and ground level road joining place, adopt the good material of transparency as light collecting body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110085181 CN102182152B (en) | 2011-04-06 | 2011-04-06 | Whole image sound barrier for urban quick lane and tunnel portal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110085181 CN102182152B (en) | 2011-04-06 | 2011-04-06 | Whole image sound barrier for urban quick lane and tunnel portal |
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| CN102182152A CN102182152A (en) | 2011-09-14 |
| CN102182152B true CN102182152B (en) | 2013-04-17 |
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| CN103046490B (en) * | 2012-12-28 | 2015-06-17 | 森特士兴集团股份有限公司 | Totally closed sound barrier |
| CN104141500B (en) * | 2014-04-11 | 2016-08-24 | 中国水利水电第十一工程局有限公司 | One hardens sand and gravel stratum cavern con struction method |
| 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 |
| CN106906760A (en) * | 2017-04-28 | 2017-06-30 | 森特士兴集团股份有限公司 | A kind of environmental totally-enclosed sound barrier |
| CN107034800A (en) * | 2017-06-09 | 2017-08-11 | 山西军昊实业有限公司 | Closed tunnel structure sound barrier |
| CN110512538B (en) * | 2019-08-28 | 2021-05-28 | 深圳市双禹王声屏障工程技术有限公司 | Arch totally enclosed sound insulation protective screen |
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| CN112726444A (en) * | 2020-12-30 | 2021-04-30 | 中铁六局集团北京铁路建设有限公司 | Closed sound barrier foundation optimization structure and treatment process thereof |
| CN113062239B (en) * | 2021-03-29 | 2021-12-07 | 生态环境部华南环境科学研究所 | Totally closed sound barrier structure of upper cover view park formula suitable for highway |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ES2145704B1 (en) * | 1998-04-24 | 2001-02-01 | Garces Jose Manuel Llaneza | NEW ACOUSTIC SCREENING. |
| CN1477269A (en) * | 2003-07-01 | 2004-02-25 | 越 程 | Combined total image sound screen |
| CN101654995A (en) * | 2008-08-22 | 2010-02-24 | 马兴华 | Porous glass plate and structures adopting porous glass plate |
| SE533764C2 (en) * | 2009-05-04 | 2010-12-28 | Bloc Internat Ab Z | Noise barrier for attenuating interfering traffic noise |
| CN202157276U (en) * | 2011-04-06 | 2012-03-07 | 上海船舶运输科学研究所 | Full-shadow type acoustic barrier |
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