CN101725119A - Sound barrier for high-speed railway - Google Patents
Sound barrier for high-speed railway Download PDFInfo
- Publication number
- CN101725119A CN101725119A CN200910312614A CN200910312614A CN101725119A CN 101725119 A CN101725119 A CN 101725119A CN 200910312614 A CN200910312614 A CN 200910312614A CN 200910312614 A CN200910312614 A CN 200910312614A CN 101725119 A CN101725119 A CN 101725119A
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- Prior art keywords
- sound
- sound absorption
- speed railway
- procapsid
- barrier
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- 230000004888 barrier function Effects 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims description 35
- 108090000565 Capsid Proteins Proteins 0.000 claims description 19
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a sound barrier for a high-speed railway. The sound barrier is spliced by a plurality of sound-absorbing and isolating units with the same structure, wherein the sound-absorbing and isolating unit comprises a front housing (10), a rear housing (11) and a sound-absorbing and isolating component (3); tips on left and right sides of the sound-absorbing and isolating component (3) are provided with head plates (4); and the tips on the left and right sides of the sound-absorbing and isolating component (3) are entirely inserted into a transverse-H-shaped channel steel upright post (19) along a horizontal direction via the head plates (4). The sound barrier for the high-speed railway has a simple overall structure and convenient installation and detachment. Since the head plates are designed, the sound barrier for the high-speed railway can effectively enhance the entire firmness and prevent the transverse-H-shaped channel steel upright post (19) for mounting from directly contacting the housing and from being damaged easily under wind pressure and pulse shake. Meanwhile, the width of the transverse-H-shaped channel steel upright post (19) is matched with the width of the sound-absorbing and isolating component so as to reduce the using amount of the transverse-H-shaped channel steel upright post (19) and save cost.
Description
Technical field
The invention belongs to the high-speed railway bridge technical field, relate to a kind of sound barrier that is used for high-speed railway concretely.
Background technology
Sound barrier is to be used for absorbing and the through sonic propagation in noise isolation source, the sound absorption that between noise source and recipient, is provided with and the shielding harness that insulates against sound, and it is placed in the sound shadow region recipient, and propagation of noise is wherein had isolation effect preferably.Developing rapidly of high-speed railway produces a large amount of noise pollutions now, and sound barrier takes up an area of few, and fabrication and installation are convenient and swift, and construction investment is suitable, become the important measures of traffic noise pollution control.
Sound wave runs into that sound barrier can reflect, projection and three kinds of phenomenons of diffraction in communication process.Usually we think that sound barrier can stop through sonic propagation, and make system penetrate sound enough decay are arranged, and the influence of projection sound can be ignored.Therefore, the sound absorption effect of sound barrier generally can adopt the noise abatement amount to represent, it has reflected the ability of the above-mentioned two kinds of shielding entrant sounds of sound barrier.Insert a sound barrier between sound source and receiving station, establish the sound barrier endless, sound wave can only be gone over from the top diffraction of barrier, and forms a sound shadow region thereafter, forms a shade just as light is blocked by object.In this sound shadow region, people can feel that noise has obviously weakened, the noise reduction effect of Here it is sound barrier.
Insert a facility between sound source and recipient, sound wave is propagated a significant additional attenuation, thereby weakens the influence of noise in certain zone at recipient place, and such facility is called as sound barrier.This sound barrier is widely used in countries in the world, especially in recent years high-speed railway develops rapidly, various countries have also carried out many research to high speed railway sound barrier, have also carried out deep research and a large amount of practices aspect the design and construction of high speed railway sound barrier.
Present known noise barrier structure form mainly contains following several:
Flap type:
Do supporting body with the blinds slotted hole, inner filling sucting sound material (as rock wool etc.) is one of sound barrier form of extensive use the most.Facing to noise source simultaneously is the blinds slotted hole, and internal cavities is all filled out sound absorption material (as rock wool, centrifugally glass-wool, fiberboard etc.).
2, perforation template:
Do supporting body with perforated plate, inner filling sucting sound material (as rock wool etc.) is one of most widely used sound barrier form.As shown in Figure 5, be a kind of known noise barrier structure schematic diagram.Described sound barrier is a perforated plate facing to the panel 102 of noise source one side, the whole filling sucting sound materials 104 of internal cavities (as rock wool, centrifugally glass-wool, fiberboard etc.), away from the backboard 103 of noise source one side is the perforated plate identical with panel 102, or adopts the metal sheet with certain intensity.
3, Chinese patent, the patent No. 00263317, " folded plate type composite sound absorbing barrier " discloses a kind of absorbent lined barrier of being made up of underframe and upper casing, and it is filled with foam glass in underframe, the front of upper casing is a microperforated panel, and this microperforated panel is formed with the upper casing that is positioned at its back a cavity.
Above-mentioned present known filled-type sound barrier, all be to adopt different opening forms, the inner sound absorption material of all filling, for reaching enough sound absorption and insulation effects, sound barrier has certain thickness, about general 100-200mm, but this known noise barrier structure is all in total defective: must fill a large amount of sound absorption materials, while sound absorption material light weight, defening effect is not good, causes the whole defening effect of sound barrier undesirable.No. 00263317 disclosed " folded plate type composite sound absorbing barrier " its underpart of described Chinese patent is the filled-type sound barrier, its top is a hollow cavity, and therefore, there is above-mentioned defective equally in its underpart, and its top only is a hollow cavity, and its defening effect is poorer than the bottom.
4, No. 200820109162.9, Chinese patent, " a kind of sound barrier " discloses a kind of sound barrier 201 as Fig. 6 and has been made up of panel 202 and backboard 207, be provided with sound absorber 203 and acoustic isolater 205 between panel 202 and the backboard 207, equidistant cavity layer 206 before and after forming between sound absorber 203 and acoustic isolater 205 and panel and the backboard, the noise barrier of hollow before and after forming.Whole housing is inserted in the I-shaped steel tank when adopting this structure-borne sound barrier to splice in the horizontal direction, there are following 2 deficiencies in this structure: (1), panel and backboard directly directly contact with the i iron column, bear blast and pulsating, panel and backboard damage easily, significantly reduce its application life.(2), the integral thickness that will reach its sound barrier of sound insulation standard has requirement, under the prerequisite that guarantees thickness, whole when inserting i-beam structure corresponding i iron need certain width to match, the i iron consumption is big, the cost height.
Summary of the invention
The object of the present invention is to provide and a kind ofly can improve the sound barrier firmness, guaranteed that it holds wind stability, not fragile, can also reduce a kind of sound barrier that is used for high-speed railway of i iron column consumption simultaneously
Technical scheme of the present invention is as follows:
A kind of sound barrier that is used for high-speed railway, the sound absorption unit splicing identical by a plurality of structures forms, described sound absorption unit comprises procapsid, back casing, the sound absorption assembly, described sound absorption assembly is installed in the cavity that described procapsid and back casing form, pass through in the horizontal direction between the described sound absorption in twos unit " worker " connection of shape channel-section steel column, termination, the left and right sides at described sound absorption assembly is equipped with head plate, the middle part of this head plate has the groove that is complementary with described sound-blocking member width, both wings are protruding and fix with the inwall of described procapsid and back casing respectively, and termination, the left and right sides, described sound insulation unit is plugged on described by described head plate integral body in the horizontal direction " worker " on the shape channel-section steel column.Be provided with two hollow adhesive tapes between described head plate and described " worker " shape channel-section steel inwall.
Adopt the said structure key to be to have adopted head plate, head plate plays further reinforcing to the sound absorption assembly, be plugged into by head plate simultaneously " worker " shape channel-section steel column, worker like this " " shape channel-section steel column width only need accomplish to be complementary with the sound absorption element width and get final product, needed under the identical situation of integral thickness " worker " shape channel-section steel column amount is little, saved cost, worker simultaneously " " shape channel-section steel column directly is not connected with back casing with procapsid, and be positioned at housing, head plate has played effective vibration damping and buffering effect when bearing blast and pulsating like this, avoid the too fast damage of housing, improved its application life.The setting of two hollow adhesive tapes can effectively play the effect of buffering, avoided transition collision between the two and reduced generating noise.
Described sound absorption assembly is made up of absorbent treatment and soundproof course, bolt is passed through at the middle part, two ends are separately installed with upper mounted plate and following fixedly fixed head up and down, and wherein said upper mounted plate and following fixedly fixed head middle part are provided with lug boss, and this lug boss is inserted between described absorbent treatment and the soundproof course.
The groove that this structure protrusions portion and side form can play further fixing to soundproof course, can effectively improve the stability of whole sound absorption assembly like this.
The described housing upper end of being made up of procapsid and back casing forms protruding flanging, and the lower end forms with the protruding flanging in upper end wants the recessed flanging that mates, and the mutual fastening by protruding flanging and recessed flanging is stitched together described sound absorption unit in the vertical direction.
Described procapsid and back casing are made by aluminium sheet, are covered with the aperture of honeycomb arrangement on procapsid.
Beneficial effect: general structure of the present invention is simple, easy installation and removal, design by head plate, can effectively improve entire firmness, avoid being used to install " worker " shape channel-section steel column directly contacts with housing, damage easily when being subjected to blast and pulsating, the width of " worker " shape channel-section steel column is accomplished to be complementary with the sound absorption element width and is got final product simultaneously, can also reduce like this " worker " shape channel-section steel column consumption, save cost.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of upper mounted plate among the present invention;
Fig. 4 is the structural representation of bottom plate among the present invention;
Fig. 5 is wherein a kind of prior art constructions schematic diagram in the background technology;
Fig. 6 is an another kind of prior art constructions schematic diagram in the background technology;
Fig. 7 is the partial enlarged drawing at A place among Fig. 1.
The specific embodiment
Embodiment: as Fig. 1,2,3,4, shown in 7: a kind of sound barrier that is used for high-speed railway, the sound absorption unit splicing identical by a plurality of structures forms, described sound absorption unit comprises procapsid 10, back casing 11, sound absorption assembly 3, described sound absorption assembly 3 is installed in the cavity that described procapsid 10 and back casing 11 formed, pass through in the horizontal direction between the described sound absorption in twos unit " worker " 19 connections of shape channel-section steel column, termination, the left and right sides at described sound absorption assembly 3 is equipped with head plate 4, the middle part of this head plate 4 has the groove that is complementary with described sound-blocking member 3 width, both wings are protruding and fix with the described procapsid 10 and the inwall of back casing 11 respectively, and termination, the left and right sides, described sound insulation unit is plugged on described by described head plate 4 integral body in the horizontal direction " worker " on the shape channel-section steel column 19.Be provided with two hollow adhesive tapes 17 between described head plate 4 and described " worker " shape channel-section steel inwall.
Described sound absorption assembly 3 is made up of absorbent treatment 6 and soundproof course 7, bolt is passed through at the middle part, two ends are separately installed with upper mounted plate 12 and following fixedly fixed head 13 up and down, wherein said upper mounted plate 12 and following fixedly fixed head 13 middle parts are provided with lug boss 24, and this lug boss 24 is inserted between described absorbent treatment 6 and the soundproof course 7.
The described housing upper end of being made up of procapsid 10 and back casing 11 forms protruding flanging 8, and the lower end forms with upper end projection flanging wants the recessed flanging 9 that mates, and the mutual fastening by protruding flanging 8 and recessed flanging 9 is stitched together described sound absorption unit in the vertical direction.
Described procapsid 10 and back casing 11 are made by aluminium sheet, are covered with the aperture of honeycomb arrangement on procapsid 10.
Claims (4)
1. sound barrier that is used for high-speed railway, the sound absorption unit splicing identical by a plurality of structures forms, described sound absorption unit comprises procapsid (10), back casing (11), sound absorption assembly (3), described sound absorption assembly (3) is installed in the cavity that described procapsid (10) and back casing (11) formed, pass through in the horizontal direction between the described sound absorption in twos unit " worker " shape channel-section steel column (19) connection, it is characterized in that: head plate (4) is installed in the termination, the left and right sides of described sound absorption assembly (3), the middle part of this head plate (4) has the groove that is complementary with described sound-blocking member (3) width, both wings are protruding and fix with the inwall of described procapsid (10) and back casing (11) respectively, termination, the left and right sides, described sound insulation unit is plugged on described by described head plate (4) integral body in the horizontal direction " worker " on the shape channel-section steel column (19), be provided with two hollow adhesive tapes (17) between described head plate (4) and described " worker " shape channel-section steel inwall.
2. a kind of sound barrier that is used for high-speed railway according to claim 1, it is characterized in that: described sound absorption assembly (3) is made up of absorbent treatment (6) and soundproof course (7), bolt is passed through at the middle part, two ends are separately installed with upper mounted plate (12) and following fixedly fixed head (13) up and down, wherein said upper mounted plate (12) and following fixedly fixed head (13) middle part are provided with lug boss (24), and this lug boss (24) is inserted between described absorbent treatment (6) and the soundproof course (7).
3. a kind of sound barrier that is used for high-speed railway according to claim 1 and 2, it is characterized in that: the described housing upper end of being made up of procapsid (10) and back casing (11) forms protruding flanging (8), the lower end forms with upper end projection flanging to be wanted the recessed flanging (9) that mates described sound absorption unit in the vertical direction to be stitched together by the mutual fastening of protruding flanging (8) with recessed flanging (9).
4. a kind of sound barrier that is used for high-speed railway according to claim 1 is characterized in that: described procapsid (10) is made by aluminium sheet with back casing (11), is covered with the aperture of honeycomb arrangement on procapsid (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103126142A CN101725119B (en) | 2009-12-30 | 2009-12-30 | Sound barrier for high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103126142A CN101725119B (en) | 2009-12-30 | 2009-12-30 | Sound barrier for high-speed railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725119A true CN101725119A (en) | 2010-06-09 |
| CN101725119B CN101725119B (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103126142A Active CN101725119B (en) | 2009-12-30 | 2009-12-30 | Sound barrier for high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101725119B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828473A (en) * | 2012-08-20 | 2012-12-19 | 中铁工程设计咨询集团有限公司 | Sound barrier and mounting method |
| CN108360405A (en) * | 2018-02-05 | 2018-08-03 | 成都天府轨谷科技有限公司 | A kind of rail traffic road sound barrier |
| CN108660953A (en) * | 2018-05-06 | 2018-10-16 | 桂林理工大学 | Prefabricated PC Reactive Powder Concrete acoustic barrier unit board device |
| CN108729340A (en) * | 2018-08-22 | 2018-11-02 | 中铁二十五局集团第六工程有限公司 | A kind of bridge sound barrier acoustic fixing device and sound-absorbing method of plate installation |
| CN109468968A (en) * | 2017-09-07 | 2019-03-15 | 北京九州轨隔振技术有限公司 | A kind of acoustic barrier for road or rail traffic etc. |
| US20210320558A1 (en) * | 2018-08-14 | 2021-10-14 | Paul McNamara | A freestanding sound attenuating apparatus for kitchen appliances |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260100Y (en) * | 1996-12-12 | 1997-08-20 | 交通部上海船舶运输科学研究所 | Composite type noise screen for road |
| CN2364098Y (en) * | 1998-09-30 | 2000-02-16 | 上海大众涂装材料有限公司 | Sound screen |
| CN2576786Y (en) * | 2002-09-26 | 2003-10-01 | 武汉江钻声屏障技术有限责任公司 | Sound-shield positioned connection frame |
| JP4000305B2 (en) * | 2003-05-07 | 2007-10-31 | 日本エラスター株式会社 | FIXING STRUCTURE, WALL BODY USING THE SAME, AND FIXING DEVICE |
| JP4117391B2 (en) * | 2003-05-08 | 2008-07-16 | 三菱重工業株式会社 | Ceramic noise absorber for railway noise countermeasure |
| CN2654675Y (en) * | 2003-11-04 | 2004-11-10 | 招商局重工有限公司 | Noise reducing plate |
| DE202006008233U1 (en) * | 2006-05-22 | 2006-08-10 | Heberger System-Bau Gmbh | Concrete wall panel with acoustic damping has integral metal edge plates to secure the steel reinforcing |
| ATE466137T1 (en) * | 2007-06-23 | 2010-05-15 | Roland Riffel | SOUND-ABSORBING COMPONENTS OF A NOISE PROTECTION WALL |
| DE102007034134A1 (en) * | 2007-07-21 | 2009-01-22 | Ed. Züblin Ag | Sound insulation wall, in particular for a high-speed track |
-
2009
- 2009-12-30 CN CN2009103126142A patent/CN101725119B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828473A (en) * | 2012-08-20 | 2012-12-19 | 中铁工程设计咨询集团有限公司 | Sound barrier and mounting method |
| CN109468968A (en) * | 2017-09-07 | 2019-03-15 | 北京九州轨隔振技术有限公司 | A kind of acoustic barrier for road or rail traffic etc. |
| CN108360405A (en) * | 2018-02-05 | 2018-08-03 | 成都天府轨谷科技有限公司 | A kind of rail traffic road sound barrier |
| CN108660953A (en) * | 2018-05-06 | 2018-10-16 | 桂林理工大学 | Prefabricated PC Reactive Powder Concrete acoustic barrier unit board device |
| US20210320558A1 (en) * | 2018-08-14 | 2021-10-14 | Paul McNamara | A freestanding sound attenuating apparatus for kitchen appliances |
| CN108729340A (en) * | 2018-08-22 | 2018-11-02 | 中铁二十五局集团第六工程有限公司 | A kind of bridge sound barrier acoustic fixing device and sound-absorbing method of plate installation |
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| Publication number | Publication date |
|---|---|
| CN101725119B (en) | 2011-02-09 |
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Effective date of registration: 20240111 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |