CN204644896U - A kind of railway T-beam sound barrier - Google Patents
A kind of railway T-beam sound barrier Download PDFInfo
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- CN204644896U CN204644896U CN201520235006.7U CN201520235006U CN204644896U CN 204644896 U CN204644896 U CN 204644896U CN 201520235006 U CN201520235006 U CN 201520235006U CN 204644896 U CN204644896 U CN 204644896U
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- absorption hole
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Abstract
The utility model discloses a kind of railway T-beam sound barrier, described sound barrier comprises acoustic(al)absorbent, sound insulation body, lower acoustic(al)absorbent and firm banking, described upper acoustic(al)absorbent, comprise gypsum board layer, sound absorbing layer, sound-absorbing backing plate and sound-absorption hole, described sound absorbing layer top is provided with sound-absorbing backing plate, described sound-absorbing backing plate and sound absorbing layer are that viscosity is connected, the top of described sound-absorbing backing plate offers sound-absorption hole, described upper acoustic(al)absorbent bottom is fixedly connected with sound insulation body, described sound insulation body bottom is connected with lower acoustic(al)absorbent, described lower acoustic(al)absorbent comprises sound-absorbing metal plate material, fire prevention alkali-free glass fiber layer, sound-absorption hole, first flanging and the second flanging, described sound-absorbing metal plate material is evenly distributed with sound-absorption hole, the back side of described sound-absorbing metal plate material is provided with first flanging vertical with sound-absorbing metal plate material along its periphery, this railway T-beam sound barrier, structure is simple, translucent effect is good, the generation of railroad noise and transfer characteristic are controlled targetedly, easy for installation, cost is low, long service life.
Description
Technical field
The utility model relates to sound barrier technical field, is specially a kind of railway T-beam sound barrier.
Background technology
China's mixed passenger and freight railway common bridge girder construction is freely-supported T beam construction, the system of prefabricated T beam, fortune shut die formula is considered in design process, manufactory is adopted to concentrate manufacture, railway platform truck transport, Bridge Erector erection mode, for ensureing that bridge transportation gauge and weight meet railway transportation requirement, bridge floor arrangement adopts the scheme of T girder construction additional sidewalk angle bar frame for a long time.The T beam being positioned at outside is called side bar, the both sides of T beam wing plate need to arrange angle steel to strengthen supporting, increase gradually along with mixed passenger and freight railway builds bridge ratio, and frequent overhead grade separation passes through urban district, the setting of sidewalk angle bar frame not only increases later maintenance, changes workload, corrosion has a strong impact on personal safety, considers the needs along circuit environmental impact assessment simultaneously, and original sidewalk angle bar frame scheme is set up sound barrier structure security risk and will be increased further.At present, along with the continuous growth of vehicles number and the development of the main line of communication, the pollution of noise and harm cause the attention of people day by day, and four overall situation being listed in the world today one of are polluted, since the seventies, the control of noise pollution is included in government work by China, and adopts corresponding Preventing Countermeasures and control measure, makes noise pollution obtain effective control, in many Measures on Noise Controls, sound barrier is a kind of main measure in control noise engineering.But now common sound barrier, structure is simple, the limited efficiency of sound insulating and absorbing, and barrier is airtight light tight structure, makes the sight line of driving vehicle have limitation simultaneously.Chinese patent Authorization Notice No.: CN201704638U, authorized announcement date on January 12nd, 2011, disclose a kind of sound barrier, it is characterized in that, described sound barrier comprises inner steel mesh frame sandwich layer and is coated on the layer of concrete of steel mesh frame sandwich layer outside, and weak point is, noise barrier structure is simple, the limited efficiency of sound insulating and absorbing, barrier is airtight light tight structure simultaneously, makes the sight line of driving vehicle have limitation.
Utility model content
The purpose of this utility model is to provide a kind of railway T-beam sound barrier, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme a kind of railway T-beam sound barrier, comprise Simple T-Girders and sound barrier, the bottom of described Simple T-Girders is provided with central sill, and described Simple T-Girders is formed by connecting by transverse prestressed reinforcing steel bar, concrete is watered in described central sill and prestressed reinforcement inside, the top of described T beam is provided with gear Zha Qiang, the rear portion of described gear Zha Qiang is provided with sound barrier, described sound barrier comprises acoustic(al)absorbent, sound insulation body, lower acoustic(al)absorbent and firm banking, the bottom of described upper acoustic(al)absorbent is fixedly connected with sound insulation body, the bottom of described sound insulation body is connected with lower acoustic(al)absorbent, described lower acoustic(al)absorbent is connected with T beam by installing firm banking, described upper acoustic(al)absorbent comprises gypsum board layer, sound absorbing layer, sound-absorbing backing plate and sound-absorption hole, described sound absorbing layer top is provided with sound-absorbing backing plate, described sound-absorbing backing plate is connected with sound absorbing layer viscosity, the top of described sound-absorbing backing plate offers sound-absorption hole, described lower acoustic(al)absorbent comprises sound-absorbing metal plate material, fire prevention alkali-free glass fiber layer, sound-absorption hole, first flanging and the second flanging, described sound-absorbing metal plate material is evenly distributed with sound-absorption hole, the surrounding of described sound-absorbing metal plate material is equipped with the first flanging, described first flanging is connected with the second flanging.
Preferably, described upper acoustic(al)absorbent also comprises vertical portion and arc, and described vertical portion is fixedly connected with arc.
Preferably, described sound-absorbing backing plate is centrifugally glass-wool plate or polyester fiber board.
Preferably, the area sum of described sound-absorption hole account for sound-absorbing metal plate face long-pending more than 50%.
Preferably, described sound-absorption hole is circular hole, and the internal diameter of sound-absorption hole is 5 to 9mm.
Preferably, described fire prevention alkali-free glass fiber layer is located at the back side of sound-absorbing metal plate material, and the spacing of described fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 10 to 20mm.
Compared with prior art, the beneficial effects of the utility model are: this railway T-beam sound barrier, by the sound-absorbing backing plate of upper acoustic(al)absorbent has sound-absorption hole, and sound-absorption hole interlaced arrangement, most sound will be absorbed by sound-absorption hole, sound-absorbing backing plate is centrifugally glass-wool plate or polyester fiber board, in addition sound-absorption hole arranges shape triangular in shape, sound-absorbing effect is particularly evident, after sound is through the sound-absorbing backing plate of the superiors, pass on sound absorbing layer, sound absorbing layer can absorb sound again again, there is excellent sound-absorbing effect, while cost-saving, also good sound-absorbing effect can be played, utilize the sound-absorbing metal plate perforated percentage of lower acoustic(al)absorbent can reach more than 50% simultaneously, hinge structure, sound-absorbing efficiency has had and has significantly promoted, structural stability is very good, without any distortion, long service life, sound-absorbing metal plate material flameproof effect is good, nonflammable, sound-absorbing metal plate material installation fixed form is simple, the monolithic achieving sound-absorbing metal plate material is fixed, the dismounting of any one block of sound-absorbing metal plate material, all can not affect the fixing of other sound-absorbing metal plate material, structure is simple, translucent effect is good, the generation of railroad noise and transfer characteristic are controlled targetedly, easy for installation, cost is low, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model sound barrier cross section structure schematic diagram;
Fig. 3 is acoustic(al)absorbent structural representation on the utility model;
Fig. 4 is acoustic(al)absorbent structural representation under the utility model.
In figure: 1 central sill, 2 concrete, 21 acoustic(al)absorbents, 211 gypsum board layer, 212 sound absorbing layers, 213 sound-absorbing backing plates, 214 sound-absorption hole, 22 sound insulation bodies, 23 times acoustic(al)absorbents, 231 sound-absorbing metal plate materials, 232 fire prevention alkali-free glass fiber layers, 233 sound-absorption hole, 234 first flangings, 235 second flangings, 24 firm bankings, 3 camera assemblies, 4 prestressed reinforcements, 5 gear Zha Qiang, 6 Simple T-Girders.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-4, the utility model provides a kind of technical scheme: a kind of railway T-beam sound barrier, comprise Simple T-Girders and sound barrier, described Simple T-Girders 6 bottom is provided with central sill 1, and described Simple T-Girders 6 is formed by connecting by transverse prestressed reinforcing steel bar 4, described central sill 1 waters concrete 3 with prestressed reinforcement 4 inside, described T beam 6 top is provided with gear tiny fragments of stone, coal, etc. wall 5, described gear tiny fragments of stone, coal, etc. wall 5 rear portion is provided with sound barrier 2, described sound barrier 2 comprises acoustic(al)absorbent 21, sound insulation body 22, lower acoustic(al)absorbent 23 and firm banking 24, described upper acoustic(al)absorbent 21 bottom is fixedly connected with sound insulation body 22, described sound insulation body 22 bottom is connected with lower acoustic(al)absorbent 23, described lower acoustic(al)absorbent 23 is connected with T beam 6 by installing firm banking 24, described upper acoustic(al)absorbent 21 comprises vertical portion and arc, described vertical portion is fixedly connected with arc, described upper acoustic(al)absorbent 21, comprise gypsum board layer 211, sound absorbing layer 212, sound-absorbing backing plate 213 and sound-absorption hole 214, described sound absorbing layer 212 top is provided with sound-absorbing backing plate 213, described sound-absorbing backing plate 213 with sound absorbing layer 212 for viscosity is connected, the top of described sound-absorbing backing plate 213 offers sound-absorption hole 214, described lower acoustic(al)absorbent 23 comprises sound-absorbing metal plate material 231, fire prevention alkali-free glass fiber layer 232, sound-absorption hole 233, first flanging 234 and the second flanging 235, described sound-absorbing metal plate material 231 is evenly distributed with sound-absorption hole 233, the area sum of described sound-absorption hole 233 accounts for more than 50% of sound-absorbing metal plate material 231 area, described sound-absorption hole 233 is circular hole, the internal diameter of sound-absorption hole 233 is 5 to 9mm, the surrounding of described sound-absorbing metal plate material 231 is equipped with the first flanging 234, wherein two relative limits of described sound-absorbing metal plate material 231 are provided with the second flanging 235 be connected with the first flanging 234, described sound-absorbing backing plate 213 is centrifugally glass-wool plate or polyester fiber board, described fire prevention alkali-free glass fiber layer 232 is located at the back side of sound-absorbing metal plate material 231, and described fire prevention alkali-free glass fiber layer 232 and the spacing of sound-absorbing metal plate material 231 are 10 to 20mm.
Operating principle: during use, sound passes on the sound-absorbing backing plate 213 of the superiors, due to sound-absorbing backing plate 213 having sound-absorption hole 214, and sound-absorption hole 214 interlaced arrangement, most sound will be absorbed by sound-absorption hole 214, sound-absorbing backing plate 213 is centrifugally glass-wool plate or polyester fiber board, and sound-absorption hole 214 arranges shape triangular in shape in addition, and sound-absorbing effect is particularly evident.After sound is through the sound-absorbing backing plate 213 of the superiors, pass on sound absorbing layer 212, sound absorbing layer 212 can absorb sound again again, there is excellent sound-absorbing effect, utilize sound-absorbing metal plate material 231 perforated percentage of lower acoustic(al)absorbent 23 can reach more than 50% simultaneously, hinge structure, sound-absorbing efficiency has had and has significantly promoted, structural stability is very good, without any distortion, long service life, sound-absorbing metal plate material 231 flameproof effect is good, nonflammable, it is simple that fixed form installed by sound-absorbing metal plate material 231, the monolithic achieving sound-absorbing metal plate material 231 is fixed, the dismounting of any one piece of sound-absorbing metal plate 231, all can not affect the fixing of other sound-absorbing metal plate.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (6)
1. a railway T-beam sound barrier, comprise Simple T-Girders and sound barrier, it is characterized in that: the bottom of described Simple T-Girders (6) is provided with central sill (1), and described Simple T-Girders (6) is formed by connecting by transverse prestressed reinforcing steel bar (4), described central sill (1) waters concrete (3) with prestressed reinforcement (4) inside, the top of described T beam (6) is provided with gear Zha Qiang (5), the rear portion of described gear Zha Qiang (5) is provided with sound barrier (2), described sound barrier (2) comprises acoustic(al)absorbent (21), sound insulation body (22), lower acoustic(al)absorbent (23) and firm banking (24), the bottom of described upper acoustic(al)absorbent (21) is fixedly connected with sound insulation body (22), the bottom of described sound insulation body (22) is connected with lower acoustic(al)absorbent (23), described lower acoustic(al)absorbent (23) is connected with T beam (6) by installing firm banking (24), described upper acoustic(al)absorbent (21) comprises gypsum board layer (211), sound absorbing layer (212), sound-absorbing backing plate (213) and sound-absorption hole (214), described sound absorbing layer (212) top is provided with sound-absorbing backing plate (213), described sound-absorbing backing plate (213) is connected with sound absorbing layer (212) viscosity, the top of described sound-absorbing backing plate (213) offers sound-absorption hole (214), described lower acoustic(al)absorbent (23) comprises sound-absorbing metal plate material (231), fire prevention alkali-free glass fiber layer (232), sound-absorption hole (233), first flanging (234) and the second flanging (235), described sound-absorbing metal plate material (231) is evenly distributed with sound-absorption hole (233), the surrounding of described sound-absorbing metal plate material (231) is equipped with the first flanging (234), described first flanging (234) is connected with the second flanging (235).
2. a kind of railway T-beam sound barrier according to claim 1, is characterized in that: described upper acoustic(al)absorbent (21) comprises vertical portion and arc, and described vertical portion is fixedly connected with arc.
3. a kind of railway T-beam sound barrier according to claim 1, is characterized in that: described sound-absorbing backing plate (213) is centrifugally glass-wool plate or polyester fiber board.
4. a kind of railway T-beam sound barrier according to claim 1, is characterized in that: the area sum of described sound-absorption hole (233) accounts for more than 50% of sound-absorbing metal plate material (231) area.
5. a kind of railway T-beam sound barrier according to claim 1, is characterized in that: described sound-absorption hole (233) is circular hole, and the internal diameter of sound-absorption hole (233) is 5 to 9mm.
6. a kind of railway T-beam sound barrier according to claim 1, it is characterized in that: described fire prevention alkali-free glass fiber layer (232) is located at the back side of sound-absorbing metal plate material (231), and described fire prevention alkali-free glass fiber layer (232) and the spacing of sound-absorbing metal plate material (231) are 10 to 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235006.7U CN204644896U (en) | 2015-04-20 | 2015-04-20 | A kind of railway T-beam sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235006.7U CN204644896U (en) | 2015-04-20 | 2015-04-20 | A kind of railway T-beam sound barrier |
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| CN204644896U true CN204644896U (en) | 2015-09-16 |
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| CN201520235006.7U Expired - Fee Related CN204644896U (en) | 2015-04-20 | 2015-04-20 | A kind of railway T-beam sound barrier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755942A (en) * | 2016-04-26 | 2016-07-13 | 中格复合材料（南通）有限公司 | Railway line simple support T beam and mounting method thereof |
| CN108914796A (en) * | 2018-08-28 | 2018-11-30 | 中铁第四勘察设计院集团有限公司 | A kind of sound barrier device of straddle-type monorail |
| CN109112981A (en) * | 2018-09-10 | 2019-01-01 | 中铁十八局集团有限公司 | A method of using combined steel pipe rack construction railway simply supported beam sound barrier basis |
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
-
2015
- 2015-04-20 CN CN201520235006.7U patent/CN204644896U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755942A (en) * | 2016-04-26 | 2016-07-13 | 中格复合材料（南通）有限公司 | Railway line simple support T beam and mounting method thereof |
| CN105755942B (en) * | 2016-04-26 | 2017-06-16 | 中格复合材料（南通）有限公司 | A kind of railway line Simple T-Girders and its installation method |
| CN108914796A (en) * | 2018-08-28 | 2018-11-30 | 中铁第四勘察设计院集团有限公司 | A kind of sound barrier device of straddle-type monorail |
| CN109112981A (en) * | 2018-09-10 | 2019-01-01 | 中铁十八局集团有限公司 | A method of using combined steel pipe rack construction railway simply supported beam sound barrier basis |
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
| CN110295537B (en) * | 2019-07-02 | 2021-05-07 | 中冶南方工程技术有限公司 | Bridge adds base device of sound barrier |
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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: 20150916 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |