CN108691278A - Permeable Felt structure suitable for bridge - Google Patents
Permeable Felt structure suitable for bridge Download PDFInfo
- Publication number
- CN108691278A CN108691278A CN201710225428.XA CN201710225428A CN108691278A CN 108691278 A CN108691278 A CN 108691278A CN 201710225428 A CN201710225428 A CN 201710225428A CN 108691278 A CN108691278 A CN 108691278A
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- Prior art keywords
- permeable
- sound
- bridge
- board
- acoustic board
- Prior art date
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- Granted
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 230000004888 barrier function Effects 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 83
- 239000000463 material Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 238000009957 hemming Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 14
- 239000008397 galvanized steel Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 12
- 230000035699 permeability Effects 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000013464 silicone adhesive Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000010426 asphalt Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 241000195493 Cryptophyta Species 0.000 abstract description 4
- 230000012010 growth Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to Noise Control fields, disclose a kind of permeable Felt structure suitable for bridge, and the bridge is provided with baffle(3), the sound barrier(4)It is installed on the baffle(3)Top, and sound barrier(4)Bottom outside and baffle(3)There is gap between inside top(c), the permeable Felt structure includes permeable acoustic board(1)With permeable sound insulationg board(2), permeable sound insulationg board(2)For sealing the gap(c), permeable acoustic board(1)It is installed on permeable sound insulationg board(2)Inside side, and it is located at bridge pavement(5)With sound barrier(4)Between bottom.The permeable sound absorption and insulation plate of the present invention not only reduces the reverberation problem of train in bridge, automobile noise, in addition rainwater can also be guided to the drainage system uniform effluent of bridge floor, make pontic appearance looks elegant, effectively prevents the appearance of pontic current mark and the growth of algae.
Description
Technical field
The present invention relates to Noise Control fields, more particularly to suitable for the permeable Felt structure of bridge.
Background technology
As the socio-economic activity in China city is increasingly frequent and the surge of urban population and private car, induce
Constantly there is the Large-sized Communications engineering such as viaduct, overpass in Traffic Systems in the rapid growth of Urban traffic demand.It is vertical
Bridge, overpass is handed over largely to alleviate traffic pressure, but the noise problem brought therewith is also increasingly prominent.
In order to solve noise problem, traditional method is the sound barrier that 2 ~ 3m high is arranged in viaduct, overpass baffle upper edge.
But this kind of sound barrier at present on the inside of barricade, sound barrier lower part do not do noise processed, but only between baffle and sound barrier
Gap do sound insulation block.Although this closure way plays certain effect to noise problem improvement, in use
We have been found that some problems:First, there are many flow traces not of uniform size in elevated bridge wall, and current mark edge has
Many algae growths, seriously affect bridge appearance;Second is that reverberation noise is larger in bridge.
Invention content
The technical problem to be solved by the present invention is to for the gap described in background technology, provide a kind of permeable sound absorption knot
Structure, instead of currently used method for blocking, to solve the problems, such as that gap sound insulation blocks between sound barrier and baffle, which can profit
Prevent flow trace with the Permeable characteristic of material, the adjustable sound absorbing performance of material can be utilized to reduce noise source reverberation noise, especially
Suitable for bridge road.
The technical solution adopted by the present invention to solve the technical problems is:Suitable for the permeable Felt structure of bridge,
The bridge is provided with baffle, and the sound barrier is installed on the top of the baffle, and sound barrier bottom outside and baffle top
There is gap, the permeable Felt structure includes permeable acoustic board and permeable sound insulationg board, permeable sound insulation between on the inside of portion
Plate is used to seal the gap, and permeable acoustic board is installed on the inside side of permeable sound insulationg board, and is located at bridge pavement and sound
Between barrier bottom.
Further, the permeable sound insulationg board is inclined, and side is close on the inside of baffle, sound barrier bottom is close in the other side
Portion's sealing gap, the joining place of sealing are sealed by preparing neutral structure silicone adhesive;The permeable acoustic board is in a vertical shape
State is arranged, and top, bottom are connected with the bottom of sound barrier, bridge pavement respectively, meets sound face and then meets sound face base with sound barrier
Originally it flushes.
Should be noted, above-mentioned described outside and inside be to travel the automobile on bridge as sound source reference, meet to
The side of sound source is internal layer, is outside away from the side of sound source.
Further, the permeable acoustic board and permeable sound insulationg board are particle acoustic board, and the particle acoustic board is by covering
Membrane granule connecting shaping, coating particles are then formed by one layer binder of sound absorption particle exterior surface uniform fold, and the particle is inhaled
Coefficient of permeability >=1.5 × 10 of sound plate-2cm/s.The particle acoustic board can be according to China Patent No.
The preparation method of particle acoustic board disclosed in ZL201410347735.1 is made, the particle of the particle acoustic board of the patent
Between there is sound absorption gap, and the sound absorption gap can be connected to the front-back of acoustic board, and the sound absorption gap is also just provided with certainly
Permeable performance.
Further, the thickness of the permeable sound insulationg board is 15-30mm;The mesh for the sound absorption particle that the permeable sound insulationg board uses
Number is 40-60 mesh, which is selected from the mixing of one or both of aeolian sand, quartz sand;The permeable sound insulationg board uses
Binder be selected from epoxy resin, phenolic resin, Lauxite or furfuryl alcohol resin.
In above-mentioned further scheme it should be noted that:In the further scheme although described permeable sound insulationg board is in being based on
Prepared by patent of invention of state Patent No. ZL201410347735.1, but improve to some extent to it, which disclose one kind
Particle acoustic board and its preparation method, sound absorption particle therein include skeleton particle and filler particles, and above-mentioned further scheme
In order to make permeable sound insulationg board have better water permeability, sound absorption particle uses only a kind of particle, to increase intergranular seam
Gap specifically can be regarded as using only the skeleton particle described in the patent, and the larger filling of grain size difference is not added wherein
Grain, intergranular gap is more abundant after improvement, relative to directly use above-mentioned patent particle acoustic board for, gap it is permeable
Performance is improved.When the mesh number of permeable sound insulationg board sound absorption particle selects 40-60 mesh, sound absorption aggregation of particles at particle inhale
Sound plate not only has preferable sound insulation property, while intergranular gap size also assures preferable water permeability.
Further, U-shaped metal hemming edge B, the thickness of the U-shaped metal hemming edge B is arranged in the edge of the permeable sound insulationg board surrounding
Degree is 0.5-1.2mm, and material is galvanized steel plain sheet, stainless steel or aluminium alloy;It is fixed with installation sheet on the U-shaped metal hemming edge B at both ends,
The installation sheet is for making permeable sound insulationg board be fixed on the foundation pier by bridge road, and the thickness of installation sheet is 2-4mm, and material is
Galvanized steel plain sheet, stainless steel or aluminium alloy.
Further, the thickness of the permeable acoustic board is 8-15mm;The mesh for the sound absorption particle that the permeable acoustic board uses
Number is 20-40 mesh, which is selected from the mixing of one or both of aeolian sand, quartz sand;The permeable acoustic board uses
Binder be selected from epoxy resin, phenolic resin, Lauxite or furfuryl alcohol resin.
Equally, in above-mentioned further scheme it should be noted that:Although described permeable acoustic board in the further scheme
Prepared by being based on the patent of invention that China Patent No. is ZL201410347735.1, but equally improve to some extent to it, this is specially
Profit discloses a kind of particle acoustic board and its preparation method, and sound absorption particle therein includes skeleton particle and filler particles, and on
Further scheme is stated in order to make permeable acoustic board that there is better water permeability, sound absorption particle equally also to use only a kind of
Grain, to increase intergranular gap, also specifically is understood as using only the skeleton particle described in the patent, does not add wherein
Enter the larger filler particles of grain size difference, the water permeability in gap is improved after improvement.The permeable acoustic board sound absorption particle
When mesh number selects 20-40 mesh, sound absorption aggregation of particles at particle acoustic board not only there is preferable sound absorbing performance, while between particle
Gap size also ensure preferable water permeability.
Further, U-shaped metal hemming edge A, the thickness of the U-shaped metal hemming edge A is arranged in the edge of the permeable acoustic board surrounding
Degree is 0.5-1.2mm, and material is galvanized steel plain sheet, stainless steel or aluminium alloy;The back of the body sound face of permeable acoustic board is provided with for enhancing
The support frame of its rigidity, per single permeable acoustic board equipped at least two support frames, the thickness of support frame is 1.2-
3mm, section are L-type or groove profile, and both ends are fixed on by expansion bolt on the foundation pier by bridge road by end plate, the thickness of end plate
It is 2-4mm to spend, and the material of support frame and end plate is galvanized steel plain sheet, stainless steel or aluminium alloy;The both ends of permeable acoustic board are set
It is equipped with the angle-style press strip for fixed plate body, the section of angle-style press strip is L-type, thickness 2-4mm, and material is galvanized steel plain sheet, no
Rust steel or aluminium alloy, angle-style press strip are also fixed on by expansion bolt on the foundation pier by bridge road.
Further, the spacing between the permeable acoustic board and baffle is 40-200mm.Permeable acoustic board and gear as a result,
Resonant cavity is formed between plate, the depth of the resonant cavity(I.e. above-mentioned so-called spacing)It can be adjusted according to the characteristic of noises from noise sources
It is whole, so that it is met sound absorption characteristics, depth is preferably above-mentioned 40-200mm.
Should be noted, the signified bridge of the present invention includes the high section of various framves, that is, include cross a river, across river, across lake, across ditch
The sections such as canal, viaduct, overpass, overbridge etc..
In the present invention, permeable acoustic board can coordinate sound barrier to play sqouynd absorption lowering noise to the noise of train in bridge, automobile
Effect;Permeable sound insulationg board then can not only play the role of sound insulation to the gap between sound barrier and baffle, also have good
Aqueous, rainwater can be passed through from plate body, avoid growth of the accumulation to algae for a long time of flow trace and rainwater.
The beneficial effects of the invention are as follows:Permeable sound absorption and insulation plate not only reduces train in bridge, the reverberation of automobile noise is asked
Topic, in addition rainwater can also be guided to the drainage system uniform effluent of bridge floor, make pontic appearance looks elegant, effectively prevented pontic stream
The appearance of trace(The path that rainwater flows through is:By between sound barrier and bridge baffle gap first vertically pass through permeable sound insulationg board to
Up to bridge pavement edge, then permeable acoustic board is flowed transversely across, finally reaches the drainage system of bridge floor).
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is the schematic diagram of the permeable sound insulationg board of the present invention;
Fig. 3 is the schematic diagram of the permeable acoustic board of the present invention;
Fig. 4 is the schematic diagram of permeable acoustic board support frame;
In figure label for:The permeable acoustic boards of 1-, the permeable sound insulationg boards of 2-, 3- baffles, 4- sound barriers, 5- bridge pavements, 6- foundation piers,
7-H type columns are rigid, 11-U type metal hemming edge A, 12- support frames, 13- end plates, 14- angle-style press strips, 21-U type metal hemming edge B,
22- installation sheets, the gaps c-, t- spacing.
Specific implementation mode
The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
In general, the both sides of bridge road can install sound barrier in urban district, to mitigate influence of the noise to surrounding resident.Bridge
When construction, baffle 3 can be arranged in road both sides, and sound barrier 4 is then mounted on the top of the baffle 3, and the both sides of sound barrier 4 pass through H-type
Column rigid 7 is fixed, and H-type column rigid 7 is mounted on the foundation pier 6 of its bottom(Usually H profile steel upright post basic pier).Currently, sound
The installation of barrier is general all to be lagged than the construction of bridge, is just installed in the later stage of bridge road construction mostly, and the width of baffle 3
Spend limited, sound barrier 4 would generally be staggered after installing with the top of baffle 4, lead between the two that there are gap c, and of the invention is permeable
Sound absorption structure is exactly for defect after installation(Gap c)And design.
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, it is suitable for the permeable Felt structure of bridge, which includes permeable acoustic board 1
With permeable sound insulationg board 2.
The permeable sound insulationg board 2 is inclined, and 3 inside of baffle is close in side, 4 sealed bottom of sound barrier is close in the other side
The gap c, the joining place of sealing are sealed by preparing neutral structure silicone adhesive;1 state in a vertical shape of the permeable acoustic board peace
Loaded on the side that permeable sound insulationg board 2 is inside, top, bottom are connected with the bottom of sound barrier 4, bridge pavement 5 respectively, meet sound face
Then it is substantially flush with the sound face of meeting of sound barrier 4.
The permeable acoustic board 1 and permeable sound insulationg board 2 is particle acoustic board, and particle acoustic board is combined by coating particles
Molding, coating particles are then formed by one layer binder of sound absorption particle exterior surface uniform fold.The particle acoustic board is in being based on
Particle acoustic board disclosed in state Patent No. ZL201410347735.1 and design, but it is improved, it is above-mentioned specially
What profit disclosed is a kind of particle acoustic board and its preparation method, and sound absorption particle therein includes skeleton particle and filler particles,
And the present embodiment improves it particle that is to absorb sound and uses only a kind of particle, i.e. skeleton particle, and grain size is not added wherein
The larger filler particles of difference.In addition, the coefficient of permeability of the particle acoustic board need to ensure to be not less than 1.5 × 10-2cm/s。
The thickness of permeable sound insulationg board 2 is 15mm, and the mesh number for the sound absorption particle which uses is 60 mesh, the suction
Sound particle is selected from aeolian sand, and the binder which uses is selected from epoxy resin.The edge of 2 surrounding of permeable sound insulationg board
U-shaped metal hemming edge B 21 is set, and the thickness of the U-shaped metal hemming edge B 21 is 0.6mm, and material is aluminium alloy;The U-shaped metal at both ends
Riveting has installation sheet 22 on bound edge B 21, and the thickness of the installation sheet 22 is 3mm, and material is aluminium alloy, by installation sheet 22 by swollen
Permeable sound insulationg board 2 is fixed on the foundation pier 6 by road by swollen bolt.
The thickness of permeable acoustic board 1 is 10mm, and the mesh number for the sound absorption particle which uses is 20 mesh, the suction
Sound particle is selected from aeolian sand, and the binder which uses is selected from epoxy resin.The edge of 1 surrounding of permeable acoustic board
U-shaped metal hemming edge A 11 is set, and the thickness of the U-shaped metal hemming edge A 11 is 0.6mm, and material is aluminium alloy;Permeable acoustic board 1
Back of the body sound face is provided with the support frame 12 for enhancing its rigidity, is equipped with there are two support frame 12 per single permeable acoustic board 1,
The thickness of support frame 12 is 2mm, and section is groove profile, and both ends are fixed on the foundation pier by road by end plate 13 by expansion bolt
On 6, the thickness of end plate 13 is 3mm, and the material of support frame 12 and end plate 13 is galvanized steel plain sheet;The both ends of permeable acoustic board 1
It is provided with the angle-style press strip 14 for fixed plate body, the section of angle-style press strip 14 is L-type, and thickness 2mm, material is aluminium alloy,
Angle-style press strip 14 is also fixed on by expansion bolt on the foundation pier 6 by road.
The permeable sound absorption structure of the present invention forms sound absorption resonance after installation is complete, between permeable acoustic board 1 and baffle 3
Chamber adjusts the depth of the resonant cavity according to noises from noise sources characteristic(That is Fig. 1 medium spacings t), it is made to meet sound absorption characteristics, this implementation
The resonant cavity depth of example is 60mm.
Embodiment 2:
Suitable for the permeable Felt structure of bridge, which includes permeable acoustic board 1 and permeable sound insulationg board 2.Due to this reality
It applies example compared with Example 1, is only quantity, the size of section components, the differences such as mesh number for the particle that absorbs sound, therefore do not enumerate individually
Attached drawing indicates.
The permeable sound insulationg board 2 is inclined, and 3 inside of baffle is close in side, 4 sealed bottom of sound barrier is close in the other side
The gap c, the joining place of sealing are sealed by preparing neutral structure silicone adhesive;1 state in a vertical shape of the permeable acoustic board peace
Loaded on the side that permeable sound insulationg board 2 is inside, top, bottom are connected with the bottom of sound barrier 4, bridge pavement 5 respectively, meet sound face
Then it is substantially flush with the sound face of meeting of sound barrier 4.
The permeable acoustic board 1 and permeable sound insulationg board 2 is particle acoustic board, and particle acoustic board is combined by coating particles
Molding, coating particles are then formed by one layer binder of sound absorption particle exterior surface uniform fold.The particle acoustic board is in being based on
Particle acoustic board disclosed in state Patent No. ZL201410347735.1 and design, but it is improved, it is above-mentioned specially
What profit disclosed is a kind of particle acoustic board and its preparation method, and sound absorption particle therein includes skeleton particle and filler particles,
And the present embodiment improves it particle that is to absorb sound and uses only a kind of particle, i.e. skeleton particle, and grain size is not added wherein
The larger filler particles of difference.In addition, the coefficient of permeability of the particle acoustic board need to ensure to be not less than 1.5 × 10-2cm/s。
The thickness of permeable sound insulationg board 2 is 20mm, and the mesh number for the sound absorption particle which uses is 50 mesh, the suction
Sound particle is selected from quartz sand, and the binder which uses is selected from epoxy resin.The edge of 2 surrounding of permeable sound insulationg board
U-shaped metal hemming edge B 21 is set, and the thickness of the U-shaped metal hemming edge B 21 is 0.6mm, and material is galvanized steel plain sheet;The U-shaped gold at both ends
Belong to and be welded with installation sheet 22 on bound edge B 21, the thickness of the installation sheet 22 is 4mm, and material is aluminium alloy, by installation sheet 22 by
Permeable sound insulationg board 2 is fixed on the foundation pier 6 by road by expansion bolt.
The thickness of permeable acoustic board 1 is 12mm, and the mesh number for the sound absorption particle which uses is 30 mesh, the suction
Sound particle is selected from quartz sand, and the binder which uses is selected from epoxy resin.The edge of 1 surrounding of permeable acoustic board
U-shaped metal hemming edge A 11 is set, and the thickness of the U-shaped metal hemming edge A 11 is 0.6mm, and material is galvanized steel plain sheet;Permeable acoustic board 1
Back of the body sound face be provided with the support frame 12 for enhancing its rigidity, be equipped with that there are three support frames per single permeable acoustic board 1
12, the thickness of support frame 12 is 2mm, and section is groove profile, and both ends are fixed on the base by road by end plate 13 by expansion bolt
On plinth pier 6, the thickness of end plate 13 is 3mm, and the material of support frame 12 and end plate 13 is galvanized steel plain sheet;Permeable acoustic board 1
It is provided at both ends with the angle-style press strip 14 for fixed plate body, the section of angle-style press strip 14 is L-type, and thickness 2mm, material is zinc-plated
Steel plate, angle-style press strip 14 are also fixed on by expansion bolt on the foundation pier 6 by road.
The permeable sound absorption structure of the present invention forms sound absorption resonance after installation is complete, between permeable acoustic board 1 and baffle 3
Chamber adjusts the depth of the resonant cavity according to noises from noise sources characteristic(Referring to Fig. 1 medium spacings t), it is made to meet sound absorption characteristics, this reality
The resonant cavity depth for applying example is 90mm.
In above-mentioned two embodiment, permeable acoustic board can coordinate sound barrier to play suction to the noise of train in bridge, automobile
The effect of sound noise reduction solves the problems, such as noise reverberation;Permeable sound insulationg board then can not only be to the gap between sound barrier and baffle
Play the role of sound insulation, also there is good water penetration, rainwater can pass through from plate body, avoid presently, there are flow trace with
And rainwater growth of the accumulation to algae for a long time, influence of the algae to bridge appearance is also avoided certainly.
Claims (8)
1. suitable for the permeable Felt structure of bridge, the bridge is provided with baffle(3), the sound barrier(4)Peace
Loaded on the baffle(3)Top, and sound barrier(4)Bottom outside and baffle(3)There is gap between inside top(c), special
Sign is:The permeable Felt structure includes permeable acoustic board(1)With permeable sound insulationg board(2), permeable sound insulationg board(2)With
In the sealing gap(c), permeable acoustic board(1)It is installed on permeable sound insulationg board(2)Inside side, and it is located at bridge pavement
(5)With sound barrier(4)Between bottom.
2. the permeable Felt structure according to claim 1 suitable for bridge, it is characterised in that:The permeable sound insulation
Plate(2)Inclined, baffle is close in side(3)Sound barrier is close in inside, the other side(4)Gap described in sealed bottom(c),
The joining place of sealing is sealed by preparing neutral structure silicone adhesive;The permeable acoustic board(1)State setting in a vertical shape, top,
Bottom respectively with sound barrier(4)Bottom, bridge pavement(5)Linking, meet sound face then with sound barrier(4)To meet sound face substantially neat
It is flat.
3. the permeable Felt structure according to claim 2 suitable for bridge, it is characterised in that:Described is permeable
Acoustic board(1)With permeable sound insulationg board(2)It is particle acoustic board, the particle acoustic board is by coating particles connecting shaping, overlay film
Grain is then formed by one layer binder of sound absorption particle exterior surface uniform fold, and coefficient of permeability >=1.5 of the particle acoustic board ×
10-2cm/s。
4. the permeable Felt structure according to claim 3 suitable for bridge, it is characterised in that:The permeable sound insulation
Plate(2)Thickness be 15-30mm;The permeable sound insulationg board(2)The mesh number of the sound absorption particle used is 40-60 mesh, the sound absorption particle
Mixing selected from one or both of aeolian sand, quartz sand;The permeable sound insulationg board(2)The binder of use is selected from asphalt mixtures modified by epoxy resin
Fat, phenolic resin, Lauxite or furfuryl alcohol resin.
5. the permeable Felt structure according to claim 4 suitable for bridge, it is characterised in that:The permeable sound insulation
Plate(2)U-shaped metal hemming edge B is arranged in the edge of surrounding(21), the U-shaped metal hemming edge B(21)Thickness be 0.5-1.2mm, material
For galvanized steel plain sheet, stainless steel or aluminium alloy;The U-shaped metal hemming edge B at both ends(21)On be fixed with installation sheet(22), the installation sheet
(22)For making permeable sound insulationg board(2)The foundation pier being fixed on by bridge road(6)On, installation sheet(22)Thickness be 2-4mm,
Material is galvanized steel plain sheet, stainless steel or aluminium alloy.
6. the permeable Felt structure according to claim 3 suitable for bridge, it is characterised in that:The permeable sound absorption
Plate(1)Thickness be 8-15mm;The permeable acoustic board(1)The mesh number of the sound absorption particle used is 20-40 mesh, sound absorption particle choosing
From the mixing of one or both of aeolian sand, quartz sand;The permeable acoustic board(1)The binder of use be selected from epoxy resin,
Phenolic resin, Lauxite or furfuryl alcohol resin.
7. the permeable Felt structure according to claim 6 suitable for bridge, it is characterised in that:The permeable sound absorption
Plate(1)U-shaped metal hemming edge A is arranged in the edge of surrounding(11), the U-shaped metal hemming edge A(11)Thickness be 0.5-1.2mm, material
For galvanized steel plain sheet, stainless steel or aluminium alloy;Permeable acoustic board(1)Back of the body sound face be provided with the support frame for enhancing its rigidity
(12), per single permeable acoustic board(1)Equipped at least two support frames(12), support frame(12)Thickness be 1.2-
3mm, section are L-type or groove profile, and both ends pass through end plate(13)Foundation pier by bridge road is fixed on by expansion bolt(6)On,
End plate(13)Thickness be 2-4mm, support frame(12)And end plate(13)Material be that galvanized steel plain sheet, stainless steel or aluminium close
Gold;Permeable acoustic board(1)The angle-style press strip being provided at both ends with for fixed plate body(14), angle-style press strip(14)Section be L
Type, thickness 2-4mm, material are galvanized steel plain sheet, stainless steel or aluminium alloy, angle-style press strip(14)Also bridge is fixed on by expansion bolt
Foundation pier by beam road(6)On.
8. the permeable Felt structure according to any one of claims 1-7 suitable for bridge, it is characterised in that:
The permeable acoustic board(1)With baffle(3)Between spacing(t)For 40-200mm.
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| CN201710225428.XA CN108691278B (en) | 2017-04-07 | 2017-04-07 | Water-permeable sound-absorbing and insulating plate structure suitable for bridge |
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| CN201710225428.XA CN108691278B (en) | 2017-04-07 | 2017-04-07 | Water-permeable sound-absorbing and insulating plate structure suitable for bridge |
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| CN108691278B CN108691278B (en) | 2024-03-15 |
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| JP3032112U (en) * | 1996-06-07 | 1996-12-17 | 大東金属株式会社 | Draining structure in front of sound insulation wall |
| CN103485290A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | External-hanging sound barrier for rail transit |
| CN203807967U (en) * | 2014-04-16 | 2014-09-03 | 上海然贝声学环保工程有限公司 | Bridge segment sound barrier |
| CN104264596A (en) * | 2014-09-30 | 2015-01-07 | 四川正升声学科技有限公司 | Particle sound barrier and sound absorption and insulation barrier board thereof |
| CN105369748A (en) * | 2015-12-08 | 2016-03-02 | 柳州汉西鸣建材发展有限公司 | Sound barrier unit plate with hydrops drainage function |
| CN106436598A (en) * | 2016-11-30 | 2017-02-22 | 四川正升声学科技有限公司 | Sound absorption plantation pot and landscape sound barrier utilizing same |
| CN206815205U (en) * | 2017-04-07 | 2017-12-29 | 正升环境科技股份有限公司 | Suitable for the permeable Felt structure of bridge |
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2017
- 2017-04-07 CN CN201710225428.XA patent/CN108691278B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3032112U (en) * | 1996-06-07 | 1996-12-17 | 大東金属株式会社 | Draining structure in front of sound insulation wall |
| CN103485290A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | External-hanging sound barrier for rail transit |
| CN203807967U (en) * | 2014-04-16 | 2014-09-03 | 上海然贝声学环保工程有限公司 | Bridge segment sound barrier |
| CN104264596A (en) * | 2014-09-30 | 2015-01-07 | 四川正升声学科技有限公司 | Particle sound barrier and sound absorption and insulation barrier board thereof |
| CN105369748A (en) * | 2015-12-08 | 2016-03-02 | 柳州汉西鸣建材发展有限公司 | Sound barrier unit plate with hydrops drainage function |
| CN106436598A (en) * | 2016-11-30 | 2017-02-22 | 四川正升声学科技有限公司 | Sound absorption plantation pot and landscape sound barrier utilizing same |
| CN206815205U (en) * | 2017-04-07 | 2017-12-29 | 正升环境科技股份有限公司 | Suitable for the permeable Felt structure of bridge |
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| CN108691278B (en) | 2024-03-15 |
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