CN204311369U - A kind of novel viaduct noise barrier - Google Patents
A kind of novel viaduct noise barrier Download PDFInfo
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- CN204311369U CN204311369U CN201420805069.7U CN201420805069U CN204311369U CN 204311369 U CN204311369 U CN 204311369U CN 201420805069 U CN201420805069 U CN 201420805069U CN 204311369 U CN204311369 U CN 204311369U
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- acoustic screen
- baffle
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- puf
- screen
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Abstract
The utility model provides a kind of novel viaduct noise barrier, this novel viaduct noise barrier comprises: sound insulation roadbed, be arranged on the multiple support columns on sound insulation roadbed, and be disposed with the first acoustic screen baffle, transparent screen body and the second acoustic screen baffle between adjacent support column, and the side of the first acoustic screen baffle, transparent screen body and the second acoustic screen baffle is pasted with a PUF absorbent treatment; Wherein, the top of the second acoustic screen baffle is tilting L-type acoustic screen, and the depression direction of L-type acoustic screen is towards the setting direction of a PUF absorbent treatment, and the recess side of L-type acoustic screen is provided with the 2nd PUF absorbent treatment.The beneficial effects of the utility model are: by enclosing sound absorption material in side, shield plates road surface, effectively will absorb traffic noise, reduce the impact on low layer surrounding resident, by arranging a kind of bending superpower sound absorption material on acoustic screen top, reflection or obstruction sound are to the propagation of high level on the one hand, change sound to high-rise propagation path, improve soundproof effect.
Description
Technical field
The utility model relates to the technical field of sound insulation, refers more particularly to a kind of novel viaduct noise barrier.
Background technology
Traditional acoustic screen, acoustic screen nearly 4-5 rice is high, and most Shi Xiang highway direction, top folds back, and middle one section is transparent glass.Traditional noise barrier, utilizes steel concrete to build, for the propagation of block sound.But the soundproof effect of above-mentioned acoustic screen and noise barrier is not all desirable especially.
Install that estimate after traditional acoustic screen can effective noise reduction 6-8 decibel, but due to the limitation of acoustic screen technology itself, some high-storey and reduce limited extent with noise in the resident family of road hypotelorism.Noise in most residents man will reduce, but in the 9 above resident families of floor, noise reduction is not obvious.(2) noise barrier is too large due to self gravitation, and that strengthens bridge pier is stressed, and high cost, should not build on bridge.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of novel viaduct noise barrier.
The utility model is realized by above technical scheme:
The utility model provides a kind of novel viaduct noise barrier, this novel viaduct noise barrier comprises: sound insulation roadbed, be arranged on the multiple support columns on sound insulation roadbed, and be provided with between adjacent support column: the first acoustic screen baffle, be arranged on the transparent screen body on described first acoustic screen baffle, be arranged on the second acoustic screen baffle on described transparent screen body, and the side of described first acoustic screen baffle, transparent screen body and the second acoustic screen baffle is pasted with a PUF absorbent treatment; Wherein, the top of described second acoustic screen baffle is tilting L-type acoustic screen, and the depression direction of described L-type acoustic screen is towards the setting direction of a described PUF absorbent treatment, and the recess side of described L-type acoustic screen is provided with the 2nd PUF absorbent treatment.
Preferably, described L-type acoustic screen and described support column are rotationally connected and may be locked in desired location.
Preferably, described L-type acoustic screen and described support column by locked with bolts at desired location.
The beneficial effects of the utility model are: by enclosing sound absorption material in side, shield plates road surface, effectively will absorb traffic noise, reduce the impact on low layer surrounding resident, by arranging a kind of bending superpower sound absorption material on acoustic screen top, reflection or obstruction sound are to the propagation of high level on the one hand, change sound to high-rise propagation path, such sound transmission is propagated to side, road surface; On the other hand increase superpower sound absorption material in knee, be mainly that absorbing sound spreads to high level, and so arrange object not enable voice blaze abroad, improve soundproof effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of novel viaduct noise barrier that the utility model embodiment provides;
Fig. 2 is the using state reference diagram of the novel viaduct noise barrier that the utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of novel viaduct noise barrier that the utility model provides, and Fig. 2 is the using state reference diagram of the novel viaduct noise barrier that the utility model embodiment provides.
The utility model embodiment provides a kind of novel viaduct noise barrier, this novel viaduct noise barrier comprises: sound insulation roadbed 1, be arranged on the multiple support columns on sound insulation roadbed 1, and be provided with between adjacent support column: the first acoustic screen baffle 2, be arranged on the transparent screen body 3 on described first acoustic screen baffle 2, be arranged on the second acoustic screen baffle 4 on described transparent screen body 3, and the side of described first acoustic screen baffle 2, transparent screen body 3 and the second acoustic screen baffle 4 is pasted with a PUF absorbent treatment 7; Wherein, the top of described second acoustic screen baffle 4 is tilting L-type acoustic screen 5, and the depression direction of described L-type acoustic screen 5 is towards the setting direction of a described PUF absorbent treatment 7, and the recess side of described L-type acoustic screen 5 is provided with the 2nd PUF absorbent treatment 6.
Preferably, described L-type acoustic screen 5 is rotationally connected with described second acoustic screen baffle 4 and may be locked in desired location.
Preferably, described L-type acoustic screen 5 is locked in desired location with described second acoustic screen baffle 4 by bolt 8.
Conveniently to the understanding of the utility model embodiment, below its structure is described in detail.This novel viaduct noise barrier forms primarily of a PUF absorbent treatment 7 of support column (preferably for steel structural upright column), the superpower sound absorption material making of sound insulation roadbed 1, sound absorption screen board (i.e. above-mentioned first acoustic screen baffle 2, transparent screen body 3, second acoustic screen baffle 4), L-type acoustic screen 5 (length designs according to the height of highrise building) and PUF and the 2nd PUF absorbent treatment 6, and support post is the main bearing member of sound barrier.Acoustic screen roadbed 1, is used as the basis of fixed structure, is also the main member accepting bridge and acoustic screen.Noise barrier is made up of the first acoustic screen baffle 2, transparent screen body 3, second acoustic screen baffle 4 and support structure usually; Supporting member can be done with H steel, also can use reinforced concrete structure.Supporting member connects with the available stone bolt of connection on basis, also can be prefabricated pre-buried.Steel structural upright column is connected by bolt 8 with L-type acoustic screen 5, and this bolt 8 is used for regulating the direction of L-type and angle, and L-type direction and angle are determined according to the height of viaduct neighboring buildings.The determination of the length of L-type acoustic screen 5 should be determined according to the height of building.The superpower sound absorption material of PUF, its performance played will to reduce on viaduct traffic noise frequently to be affected nearby residents (no matter it is lived just).
In the above-described embodiments, by enclosing sound absorption material in side, shield plates road surface, effectively will absorb traffic noise, reduce the impact on low layer surrounding resident, by arranging a kind of bending superpower sound absorption material on acoustic screen top, reflection or obstruction sound are to the propagation of high level on the one hand, and change sound to high-rise propagation path, such sound transmission is propagated to side, road surface; On the other hand increase superpower sound absorption material in knee, be mainly that absorbing sound spreads to high level, and so arrange object not enable voice blaze abroad.PUF is a kind of new series sound absorption material, different according to form of pinholes, is also divided into obturator-type and open cell type two class.Closed-cell polyurethane foam is mainly used in heat-insulation and heat-preservation, perforate then for sound absorption.PUF odorless, ventilative, even, ageing-resistant, the anti-organic solvent erosion of bubble, have very strong cohesive to metal, timber, glass, masonry, fiber etc.Particularly RPUF also has very high structural strength and insulating properties.The fire-retardant film that this product front has one deck not affect sound absorption covers, and prevents dust and profit from immersing blocking abscess.Reverse side scribbles adhesive sticker, can directly paste during installation.Polyurethane foam plastics plate is a kind of strong sound absorber of good performance, have good flame resistance, unit weight light, moisture resistance, be easy to cutting and the feature such as easy for installation.
When Specific construction, operated by following steps.
1, novel viaduct noise barrier parts machining
Novel viaduct noise barrier form: stand in overpass bridge edge, is generally acoustic isolater and sound absorber ratio of components: 2: 1.
Material:
Acoustic isolater: 6+6 float glass process barrier film glass, aluminum alloy frame;
Sound absorber: fill out centrifugally glass-wool in 0.6 ~ 1.0mm color steel sheet.
Column: 5mm carbon steel and glass fiber reinforced plastic compound.
The superpower sound absorption material of outside sound absorption material: PUF
The inventory of the place of production of novel viaduct noise barrier selected materials, brand, specification, manufacturer:
(1) color steel sheet (zinc-plated, plating is moulded), Shanghai Baosteel, specification: 0.6 ~ 1mm, fills out centrifugally glass-wool in after punch forming, and glass wool is produced by Shanghai Flat Glass Factory.
(2) special-shaped compound glass, Yaohua Glass-making Plant, Shanghai, specification: 6+6mm, medial septum 0.76mm (Britain's product), the heavy 57kg of every linear meter(lin.m.).
(3) aluminium alloy extrusions, Shanghai machine tool accessories three factory belonging to the nonferrous metals companies of Shanghai, specification: 40x60mm.
(4) carbon steel, sheet material and round steel, Shanghai Baosteel, specification: 5mm sheet material, 20mm round steel.
(5) epoxy resin, Changzhou resin processing plant, specification: resin 109, three are coated with, and glass fiber 250g/m2, two layers, appearance is sprayed paint.
2, built-in fitting construction
It is the form adopting the steel plate of column bottom to weld with the pre-embedded steel slab of crash barrier masthead that novel viaduct noise barrier is fixed on Anti-collision railing top, and the end cover simultaneously bottom barrier also plays fixation.The construction of Anti-collision railing pre-embedded steel slab is carried out before barrier is installed, its spacing and barrier column spacing supporting, for: 2 meters.
Survey work group after Party A hands over bright control origin and destination, a collection of measurement troop should be organized immediately, accurately release barrier basis axis and every block built-in fitting P center O, and in an O both sides 20cm, eject the line of cut of Anti-collision railing end face with the line of ink marker.
To each opening part, manually carefully to cut a hole to the design size needed for pre-embedded steel slab.When cutter is opened mouthful, the outer concrete of the clashing and breaking line of ink marker of must not should be specifically noted that.Hurt sb.'s feelings for preventing from digging out under concrete falls into bridge, with canvas block broken fall concrete.The concrete cut must not note on the track that drops down onto and driving a vehicle on one side.Often cut a hole an opening, broken fall concrete should clean totally immediately, load dolly transport.Cutter is to exposing Anti-collision railing top layer reinforcing bar.
Railing reinforcing bar (should report Party A when reinforcing bar is crossed thin, suitable encryption is considered in design) is hit in straightening place where troops were originally stationed, and rust cleaning, rinses well with water.Measure and accurately release pre-embedded steel slab position, by pre-embedded steel slab and railing reinforcing bar firm welding, pre-embedded steel slab surface should with railing either flush.
Installation form, template adopts wooden form, interior table flat smooth, and time customized, except end face, surrounding all extends 10cm than opening size.
Concrete adopts on-the-spot mixing, and cement, sand, building stones rationally to be marched into the arena stacking by every section of progress.Adopt concrete label to be C35, the control slump is 4-6cm, and the facility that vibrate adopt small vibrating rod.
When building opening, pour half amount concrete at every turn into, after vibrating, then be poured into end face.Vibrate concrete time Ying Jiao, limit all arrive.It is floating that concrete end face applies grey spoon, when meeting rain, should have rain cover protection.Often water and smash an opening, should send someone to clean up bridge floor and to be scattered concrete.After concrete placings 24h, stripping, and timely facing.During stripping, should the dynamics of knocking be grasped, must not unfilled corner be had.Concrete watering maintenance 7 days.
3, component transport
Another parts adopt train transport, are responsible for being transported to job location by producer.
4, column install and screen board assembled
When column bottom steel plate welds with Anti-collision railing top pre-embedded steel slab, strictly should be undertaken by welding process requirement, guarantee weld strength, application standard mould chi corrects the position of column simultaneously.As met rain, should welding be stopped, guaranteeing construction safety.
Barrier installation company constructs, and is responsible for technological guidance by producer.Concrete mounting process is separately mended by producer.
Before barrier construction and installation, application measuring apparatus repeatedly repetition measurement, adjusts, repeatedly until every section of mileage deviation meets design allowed band.During barrier construction, rainy season and the larger weather of wind-force should be avoided.
Barrier every section all installs, and establishment officer clears out a gathering place comprehensively immediately, cleans up bridge floor and Anti-collision railing, pays and takies track.
5, L-type sound insulating panel
For ensureing high-rise resident not by the impact of traffic noise on viaduct, by triangle correspondence theorem, determine direction and the length of L-type sound insulating panel.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a novel viaduct noise barrier, it is characterized in that, comprise: sound insulation roadbed, be arranged on the multiple support columns on sound insulation roadbed, and be provided with between adjacent support column: the first acoustic screen baffle, be arranged on the transparent screen body on described first acoustic screen baffle, be arranged on the second acoustic screen baffle on described transparent screen body, and the side of described first acoustic screen baffle, transparent screen body and the second acoustic screen baffle is pasted with a PUF absorbent treatment; Wherein, the top of described second acoustic screen baffle is tilting L-type acoustic screen, and the depression direction of described L-type acoustic screen is towards the setting direction of a described PUF absorbent treatment, and the recess side of described L-type acoustic screen is provided with the 2nd PUF absorbent treatment.
2. the novel viaduct noise barrier of one according to claim 1, is characterized in that, described L-type acoustic screen and described support column are rotationally connected and may be locked in desired location.
3. the novel viaduct noise barrier of one according to claim 1, is characterized in that, described L-type acoustic screen and described support column by locked with bolts at desired location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805069.7U CN204311369U (en) | 2014-12-19 | 2014-12-19 | A kind of novel viaduct noise barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805069.7U CN204311369U (en) | 2014-12-19 | 2014-12-19 | A kind of novel viaduct noise barrier |
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| Publication Number | Publication Date |
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| CN204311369U true CN204311369U (en) | 2015-05-06 |
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| CN201420805069.7U Expired - Fee Related CN204311369U (en) | 2014-12-19 | 2014-12-19 | A kind of novel viaduct noise barrier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926791A (en) * | 2016-06-15 | 2016-09-07 | 安徽省绿巨人环境技术有限公司 | Sound-insulation device on basis of arc-shaped plate |
| CN106087786A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of noise isolator |
| CN106098049A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of noise insulation device based on arc |
| CN106149911A (en) * | 2016-06-15 | 2016-11-23 | 安徽省绿巨人环境技术有限公司 | A kind of sound arrester |
| CN108086506A (en) * | 2018-01-15 | 2018-05-29 | 上海建工四建集团有限公司 | A kind of modularization movable type sound arrester and its application method |
| CN113322783A (en) * | 2021-06-11 | 2021-08-31 | 湖南大学 | Sound barrier device and method for inhibiting vortex-induced resonance of girder of long-span bridge |
-
2014
- 2014-12-19 CN CN201420805069.7U patent/CN204311369U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926791A (en) * | 2016-06-15 | 2016-09-07 | 安徽省绿巨人环境技术有限公司 | Sound-insulation device on basis of arc-shaped plate |
| CN106087786A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of noise isolator |
| CN106098049A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of noise insulation device based on arc |
| CN106149911A (en) * | 2016-06-15 | 2016-11-23 | 安徽省绿巨人环境技术有限公司 | A kind of sound arrester |
| CN108086506A (en) * | 2018-01-15 | 2018-05-29 | 上海建工四建集团有限公司 | A kind of modularization movable type sound arrester and its application method |
| CN113322783A (en) * | 2021-06-11 | 2021-08-31 | 湖南大学 | Sound barrier device and method for inhibiting vortex-induced resonance of girder of long-span bridge |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151219 |
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| EXPY | Termination of patent right or utility model |