CN105803966B - A kind of railway sound barrier structure - Google Patents
A kind of railway sound barrier structure Download PDFInfo
- Publication number
- CN105803966B CN105803966B CN201610319336.3A CN201610319336A CN105803966B CN 105803966 B CN105803966 B CN 105803966B CN 201610319336 A CN201610319336 A CN 201610319336A CN 105803966 B CN105803966 B CN 105803966B
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- Prior art keywords
- section bar
- aluminium section
- sound barrier
- web
- railway
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The present invention relates to a kind of railway sound barrier structure, and it is mainly combined by polylith railway sound barrier cell board (1).Railway sound barrier cell board (1) is made up of Al-alloy casing and lightweight acoustical panels (6) two parts, and Al-alloy casing is made up of bottom aluminium section bar (4), top aluminium section bar (3), both ends aluminium section bar (5) and U-shaped panel (2).U-shaped panel (2) both sides are constrained in the slot of both ends aluminium section bar (5), and bottom aluminium section bar (4), top aluminium section bar (3) are fixed at the top and bottom of U-shaped panel (2) with rivet respectively.Lightweight acoustical panels (6) are fixed in Al alloy shell body by upper and lower aluminium section bar neck, lightweight acoustical panels are used with high intensity, weatherability and the good hard sound-absorbing material of sound absorbing capabilities, the sound face of meeting of lightweight acoustical panels (6) has the tongue and groove (22) of specific dimensions, to reach more preferable noise reduction.
Description
Technical field
The present invention relates to Noise Prevention and Treatment technical field, more particularly to railway sound barrier technology.
Background technology
Because board plug type sound barrier is easy for installation, technical maturity engineer applied is quite extensive.Board plug type acoustic barrier unit board
It can be largely classified into two kinds of metal type and nonmetallic formula.Nonmetallic formula cell board is usually used in roadbed sound-screen because its deadweight is bigger than normal
Hinder in engineering.Metal type sound barrier is applied widely, but because its cost is higher, it is in the majority for bridge section Noise Barrier Works.Gold
Category formula sound barrier pattern is various, be usually used in railroad noise harnessing project metal type acoustic barrier unit board passed through with two blocks of aluminium sheets it is pre-
The cell board that denaturation snapping form is combined into is in the majority.Upper and lower two module units plate is connected by the little tongue and groove of depth.Due to construction
There may be gap between this connected mode cell board of influence of the factors such as precision, vibrations and sheet deformation, have potential
Leakage sound may.
Known metal sound barrier inner sound absorption material is in the majority with mineral wool class, and such sound-absorbing material weatherability is poor, can not
Reach same service life with the other components of acoustic barrier unit board.Sound-absorbing material premature failure usually occurs, so as to sound-screen
Barrier loses noise reduction.
The content of the invention
For insufficient existing for common metal formula acoustic barrier unit board, the present invention proposes a kind of structure railway sound barrier,
It is intended that it is whole to improve metal type sound barrier by the Joining Technology between changing cell board for this structure railway sound barrier
The anti-acoustic capability of body；Inhaled by using the high-strength light of good weatherability so that sound barrier entirety service life increases substantially.
A kind of railway sound barrier structure proposed by the present invention is combined by polylith railway sound barrier cell board (1), sound-screen
Barrier construction unit plate is made up of Al-alloy casing and lightweight acoustical panels two parts.Al-alloy casing is by bottom aluminium section bar, top aluminium
Section bar, both ends end aluminium section bar and U-shaped panel composition.
Top aluminum profile cross section is in I-shaped, has two ribs below its web, for fixing lightweight acoustical panels.Top aluminium profiles
Vibration isolation rubber plate is placed in the upper grooves that the both sides flange plate of material surrounds with web.
U-shaped panel is formed by one piece of aluminium sheet bending, and it has at the top of three faces and has two small bending edges.Wherein meeting sound face is
Perforation face, bottom surface and is not perforated by sound face.The small bending edge in top is adjacent to the top aluminium section bar edge of a wing and the web of intercostal on the downside of web,
Fixed with rivet and top aluminium section bar.So processing U-shaped panel is adjacent to the edge of a wing of top aluminium section bar, and panel is by meeting during train suction
The edge of a wing of top aluminium section bar is delivered to, top bending edge and top aluminium section bar web frictional force transmission, riveting can be passed through when being stressed
Nail is sheared by very little, will not cause the destruction of rivet.The maximum positive negative stress of panel can significantly subtract not on a section
The fatigue stress amplitude of small aluminium sheet, so as to avoid the fatigue rupture of panel.
Bottom Aluminum-profile upper profile has two side ribs, for fixing lightweight acoustical panels.Bottom aluminium section bar pastes with U-shaped panel bottom surface
Tightly, can be fixed in bottom aluminium section bar close to positions of panels with rivet.
Both sides aluminium section bar is used to block cell board side, while the slot in web between side rib and the edge of a wing is used to fix U
The side of shape panel two.Side rib is designed to variable cross-section in web, it is therefore intended that U-shaped panel is easier in insertion groove, and root groove narrows
U-shaped panel can preferably be constrained.Triangle dentation rubber slab is set inside the aluminium section bar of both ends, it is therefore intended that is limited with elastomer light
Matter acoustic board, prevent the lightweight acoustical panels changing of the relative positions in the handling process.
After can be by extrusion forming the present invention relates to all aluminium section bars, the length of needs be cut into.The present invention
The U-shaped aluminium sheet being related to can be realized by factory's bender.
Vibration isolation rubber slab main function is that the load above by cell board is delivered on cell board between cell board, and its is recessed
Tongue set be in order to by top load to the close flank transmission in top aluminium section bar both sides so that top aluminium section bar stress is more closed
Reason, reduces its deformation.The dosage of rubber can also be reduced simultaneously, there is more preferable economy.
The present invention relates to lightweight acoustical panels meet that sound mask is fluted, the purpose for setting groove is to increase its sound absorption face
Product, while the noise of main frequency can targetedly be weakened with the depth and width of adjustment tank.
The above-mentioned lightweight acoustical panels the selection of material spy such as should have higher-strength, unsuitable breakage, good weatherability, sound absorbing capabilities good
Point, and ensure that its service life cannot be less than 25 years.
The groove connection inserted into each other being made up of between cell board the side wing edge of top aluminium section bar two and web.Lower unit plate
The top aluminium section bar edge of a wing has overlapping with upper unit plate, the possibility that gap between unit be present is eliminated, so as to thoroughly avoid
The possibility of leakage sound.
Brief description of the drawings
On the one hand brief description of the drawings can more intuitively describe the detail of noise barrier structure of the present invention, on the other hand by
Illustrate embodiment.
Fig. 1 is a kind of railway sound barrier structure entirety elevation；
Fig. 2 is railway sound barrier construction unit plate elevation；
Fig. 3 is railway sound barrier structure entirety profile；
Fig. 4 is railway sound barrier construction unit plate vertical cross section figure；
Fig. 5 is railway sound barrier construction unit plate level profile；
Fig. 6 is aluminium section bar profile at the top of railway sound barrier construction unit plate；
Fig. 7 is railway sound barrier construction unit plate bottom aluminium section bar profile；
Fig. 8 is railway sound barrier construction unit plate both ends aluminium section bar profile；
Fig. 9 is railway sound barrier construction unit plate U-shaped panel profile；
Figure 10 is the partial cross section of railway sound barrier construction unit plate insertion H profile steel column.
Description of symbols in figure：
1st, railway sound barrier construction unit plate 2, U-shaped panel
3rd, top aluminium section bar 4, bottom aluminium section bar
5th, both ends aluminium section bar 6, lightweight acoustical panels
7th, vibration isolation rubber slab 8, triangle dentation rubber slab between cell board
9th, sound perforation face is met in single tube adhesive tape 10, U-shaped panel
11st, the not perforated face 12 of back of the body sound, U-shaped panel bottom surface in U-shaped panel
13rd, U-shaped panel top flap 14, the top aluminium section bar edge of a wing
15th, side rib 16, top aluminium section bar web under top aluminium section bar web
17th, side rib 18, bottom aluminium section bar web on bottom aluminium section bar web
19th, hold aluminium section bar web 20, hold side rib in aluminium section bar web
21st, the aluminium section bar edge of a wing 22, lightweight acoustical panels is held to meet sound face groove
23rd, the H profile steel 24 for fixed cell plate, bear down on one block rubber
25th, bear down on one cover plate 26, the fixed cover plate bolt that bears down on one
Embodiment
One embodiment of the present invention is further illustrated with reference to accompanying drawing.
It can be seen that with reference to Fig. 1 and Fig. 3.Railway sound barrier structure has multiple H profile steels 23, H for fixed cell plate
Shaped steel 23 is connected railway sound barrier construction unit plate (hereinafter referred cell board) 1 successively from H profile steel with basis by pre-embedded bolt
Inserted between 23 edges of a wing, vibration isolation rubber plate is arranged between bottom cell board and basis.Beared down on one after the cell board insertion of the top with C-shaped
Cover plate 25 is fixed by bolt 26, and C shapes, which are beared down on one, places the block rubber 24 that bears down on one of elasticity between cover plate 25 and cell board.
Sound barrier is made up of 4 module unit plates 1 in examples of implementation, and the cell board 1 that other quantity are formed equally meets to require.Tool
The requirement of body unit plate 1 should be determined according to the height that noise abatement needs.
Fig. 2 is the elevation of cell board 1.The height H of cell board 1 is 500mm in examples of implementation；The length L of cell board 1 is
1970mm；The thickness of cell board 1 is 113mm.H profile steel 23 uses HW150 shaped steel, spacing 2m.The height H of cell board 1 is not preferably greater than
500mm, if reason is load-bearing face, aluminium sheet is wide, and plastic deformation can be produced under the effect of long-term train aerodynamic-force.Between H profile steel 23
It can be constructed the relatively complicated influence duration away from too small, spacing crosses conference and causes cell board deformation to increase, while the stress of H profile steel 23 and base
The load that plinth is born also can be increased accordingly.It is true that the spacing of H profile steel 23 and sectional dimension should consider whole influence factor synthesis
It is fixed.The length L of cell board 1 should meet that in the horizontal maximum construction negative error of the adjacent appearance of H profile steel 23 H profile steel 23 can be inserted when determining
Between, while have enough safe laps of splice with the edge of a wing of H profile steel 23 when there is maximum construction positive error.The thickness of cell board 1
It should meet during the construction error of the adjacent maximum perpendicular line direction of H profile steel 23 and when single tube adhesive tape is compressed completely, H types can be inserted
Between the edge of a wing of steel 23.Construction error should determine according to existing sound barrier construction or acceptance specification.
Fig. 4 is the vertical cross section figure of railway sound barrier construction unit plate 1.It shows that the top flap 13 of U-shaped panel 2 is adjacent to top
Web 16 under the portion aluminium section bar edge of a wing 14 and web between side rib 15, and fixed with rivet and web 16.Bottom aluminium section bar 4 is placed in U
The upside of 2 bottom surface of shape panel 12, is fixed with rivet and bottom surface 12.Groove between side rib 15 and bottom under the aluminium section bar web of top
Groove on aluminium section bar web between side rib 17 is used for fixing lightweight acoustical panels 6.
Fig. 4 shows that the side's of the being inserted under cell board of cell board 1 is made up of the side wing edge 14 of top aluminium section bar two with web 16 simultaneously
Groove in, and be pre-placed vibration isolation rubber plate 7 above aluminium section bar web 16 at the top of lower unit plate.
Fig. 5 is the horizontal sectional drawing of noise barrier structure cell board 1.It shows that the both sides of U-shaped panel 2 are constrained in positioned at end aluminium section bar
In slot in 5 webs between side rib 20 and the edge of a wing 21；There is the triangle for holding out against lightweight acoustical panels 6 inner side of both ends aluminium section bar 5
Dentation rubber slab 8.
Fig. 5 also illustrates the cross sectional shape of lightweight acoustical panels 6, and its thickness should determine according to sound absorbing capabilities, but gross thickness should not be big
In 80mm, it is 15-50mm that it, which meets its fluted depth of sound mask,.The thickness of lightweight acoustical panels 6 is 77mm in examples of implementation, and groove is deep
It is in trapezoidal with certain angle to spend for 20mm, groove, and turning edge has 5mm chamfering.
Lightweight acoustical panels 6 can be Cementitious materials of absorbing noise of the expanded lightweight ore for sound absorption aggregate, such as perlite, volcano
Rock and haydite；Can also be the other sound-absorbing materials of foamed concrete class.Lightweight acoustical panels 6 should meet intensity, weatherability and sound absorption
Performance.Its compression strength is no less than 1.5MPa, and rupture strength is no less than 0.4MPa, and average sound absorption coefficient is no less than 0.7,
Density not should be greater than 650kg/m3, should also carry out the atmospheric exposure tests such as freeze thawing resistance, it is ensured that its service life cannot be less than 25 years.
After the completion of U-shaped panel 2 is fixed with top aluminium section bar 3 and bottom aluminium section bar 4, circumferential closed cavity is formed.Lightweight
Acoustic board 6 is divided into the groove between side rib 15 and bottom under the aluminium section bar web of two pieces of sides not blocked from both sides insertion top
In groove on aluminium section bar web between side rib 17.Seal side with end aluminium section bar 5 afterwards in place.
Fig. 6 is the profile of aluminium section bar 3 at the top of railway sound barrier construction unit plate.Its overall depth of section can be according to H profile steel 23
Clear distance and construction error synthesis determine inside the edge of a wing.Clear distance under the aluminium section bar web of top between side rib 15 can be inhaled according to lightweight
The thickness of sound plate 6 determines.Clear distance under the aluminium section bar web of top between side rib 15 should be greater than the gross thickness 2 of lightweight acoustical panels 6 to 3mm.
The purpose for the arrangement is that smoothly inserted for the ease of lightweight acoustical panels 6 in neck.Top aluminium section bar 3 removes top aluminium in examples of implementation
The thickness of side rib 15 is 1.5mm under section bar web, and other thickness are 2mm.It is also when bearing to increase its thickness when external loads are larger
It is satisfactory.
Fig. 7 is the profile of railway sound barrier construction unit plate bottom aluminium section bar 4.Its overall depth of section not should be greater than U-shaped face
The inside clear distance of plate 2.Clear distance on the aluminium section bar web of bottom between side rib 17 can determine according to the thickness of lightweight acoustical panels 6.Bottom aluminium
Clear distance on section bar web between side rib 17 should be greater than the gross thickness 2 of lightweight acoustical panels 6 to 3mm.The purpose for the arrangement is that in order to just
Smoothly inserted in lightweight acoustical panels 6 in neck.It is 1.5mm to implement each section thickness of section bar.
Fig. 8 is the profile of railway sound barrier construction unit plate both ends aluminium section bar 5.Its overall depth of section and top aluminium section bar 3
Unanimously.Root gap is the thickness+0.5mm of U-shaped panel 2 between side rib 20 and the edge of a wing 21 in its web.The root of side rib 20 in web
It is 1mm for 2mm tops, it is therefore intended that be easy in the side of U-shaped panel 2 insertion web root slot between side rib 20 and the edge of a wing 21
In.In web inner panel side rib 20 than the edge of a wing 21 from section it is short.Purpose is that the edge of a wing 21 will be left for fixing single tube glue
The position of the riveter of bar 9 nail, and this rivet can not be got in web on side rib 20.(as shown in Figure 10)
Fig. 9 is the profile of railway sound barrier construction unit plate U-shaped panel 2.U-shaped panel 2 is by factory's bender by one
Aluminium sheet bending forms.Sound perforation face 10 is wherein met in U-shaped panel to be punched before bending.The size of U-shaped panel top flap 13 is not
It should be greater than the space between side rib 15 under the top aluminium section bar edge of a wing 14 and web.U-shaped panel 2 uses 1.5mm thickness in examples of implementation
Aluminium sheet.Also it is satisfactory when bearing to increase its thickness when external loads are larger.
Figure 10 is the partial cross-sectional view of railway sound barrier structure insertion H profile steel column.Illustrate cell board 1 and insert H types
Between the edge of a wing of steel 23.Single tube adhesive tape is fixed on rivet on the edge of a wing 21 of end aluminium section bar 5, and in state is stepped up, can be played
Transmit horizontal force and damping effect.
Claims (4)
1. a kind of railway sound barrier structure, it is mainly combined by polylith railway sound barrier cell board (1), wherein, railway
Acoustic barrier unit board (1) is made up of Al-alloy casing and lightweight acoustical panels (6) two parts, and Al-alloy casing is by bottom aluminium section bar
(4), top aluminium section bar (3), both ends aluminium section bar (5) and U-shaped panel (2) composition, top aluminium section bar (3) are placed in U-shaped panel (2)
Top, it is characterised in that：The top flap (13) of U-shaped panel (2) is adjacent to the top aluminium section bar edge of a wing (14) and side rib under web
(15) web (16) between；Bottom aluminium section bar (4) is placed on the upside of U-shaped panel (2) bottom surface (12)；U-shaped panel (2) both sides are constrained in
In slot in both ends aluminium section bar (5) web between side rib (20) and the edge of a wing (21)；Pass through top aluminium section bar two between cell board
The groove connection inserted into each other of side wing edge (14) and web (16) composition, and vibration isolation rubber plate (7) is pre-placed in above-mentioned groove；Gently
It is fixed on the upside of matter acoustic board (6) in the neck under the aluminium section bar web of top between side rib (15), downside is fixed on bottom aluminium profiles
In neck on material web between side rib (17).
2. railway sound barrier structure as claimed in claim 1, it is characterised in that the railway sound barrier cell board (1) it is light
Matter acoustic board (6) be it is a kind of have high intensity, weatherability and the good hard sound-absorbing material of sound absorbing capabilities and its meet sound face have it is recessed
Groove (22).
3. railway sound barrier structure as claimed in claim 1, it is characterised in that the both ends of the railway sound barrier cell board (1)
There is the triangle dentation rubber slab (8) for being used for holding out against lightweight acoustical panels (6) on the inside of aluminium section bar (5).
4. railway sound barrier structure as claimed in claim 1, it is characterised in that the railway sound barrier cell board (1) it is pre-
Vibration isolation rubber plate (7) between first placement unit plate has dentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319336.3A CN105803966B (en) | 2016-05-13 | 2016-05-13 | A kind of railway sound barrier structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319336.3A CN105803966B (en) | 2016-05-13 | 2016-05-13 | A kind of railway sound barrier structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105803966A CN105803966A (en) | 2016-07-27 |
| CN105803966B true CN105803966B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610319336.3A Active CN105803966B (en) | 2016-05-13 | 2016-05-13 | A kind of railway sound barrier structure |
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| CN (1) | CN105803966B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245549B (en) * | 2016-10-09 | 2018-12-11 | 中国铁路设计集团有限公司 | Urban track traffic sound barrier efficiently absorbs sound cell board and its design method |
| CN106758900B (en) * | 2016-12-27 | 2022-05-13 | 中国铁道科学研究院节能环保劳卫研究所 | Damping system of damping type railway metal sound barrier |
| CN106638347A (en) * | 2017-03-04 | 2017-05-10 | 河南东海复合材料有限公司 | Glass steel noise barrier with function of reducing noise diffraction |
| CN107022961A (en) * | 2017-06-09 | 2017-08-08 | 山西军昊实业有限公司 | Seamless protecting screen |
| CN113981845A (en) * | 2020-07-12 | 2022-01-28 | 西藏中驰集团股份有限公司 | Novel structural upright post |
| CN113981844A (en) * | 2020-07-12 | 2022-01-28 | 西藏中驰集团股份有限公司 | Sound barrier concave-convex overlapping system |
| CN114075814A (en) * | 2020-08-21 | 2022-02-22 | 西藏中驰集团股份有限公司 | Concave-convex overlapping system suitable for non-metallic sound barrier |
| CN114075812A (en) * | 2020-08-21 | 2022-02-22 | 西藏中驰集团股份有限公司 | Concave-convex overlapping system suitable for transparent sound barrier |
| CN114075813A (en) * | 2020-08-21 | 2022-02-22 | 西藏中驰集团股份有限公司 | Concave-convex overlapping system suitable for metal sound barrier |
| CN113652982A (en) * | 2021-08-12 | 2021-11-16 | 承德赛森环保科技有限公司 | Sound barrier unit board |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2313866A (en) * | 1996-06-07 | 1997-12-10 | Hill & Smith Ltd | Panel and barrier system incorporating same |
| AUPO735197A0 (en) * | 1997-06-13 | 1997-07-10 | Lewellin, Richard Laurance | Acoustic barrier |
| DE102006053777A1 (en) * | 2006-11-15 | 2008-05-21 | Ed. Züblin Ag | Noise protection wall element with metal housing |
| CN201433359Y (en) * | 2009-05-27 | 2010-03-31 | 铁道第三勘察设计院集团有限公司 | High-speed railway metallic sound barrier unit board |
| CN201459626U (en) * | 2009-07-27 | 2010-05-12 | 金汉德环保设备工程有限公司 | Aluminum alloy plate flexible connection sound barrier |
| CN203096631U (en) * | 2013-01-08 | 2013-07-31 | 山西尚风科技股份有限公司 | Sound barrier unit plate device preventing noise pollution |
| CN205653711U (en) * | 2016-05-13 | 2016-10-19 | 铁道第三勘察设计院集团有限公司 | Novel structure railway sound barrier |
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2016
- 2016-05-13 CN CN201610319336.3A patent/CN105803966B/en active Active
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