CN206815205U - Suitable for the permeable Felt structure of bridge - Google Patents
Suitable for the permeable Felt structure of bridge Download PDFInfo
- Publication number
- CN206815205U CN206815205U CN201720360643.6U CN201720360643U CN206815205U CN 206815205 U CN206815205 U CN 206815205U CN 201720360643 U CN201720360643 U CN 201720360643U CN 206815205 U CN206815205 U CN 206815205U
- Authority
- CN
- China
- Prior art keywords
- permeable
- sound
- bridge
- board
- acoustic board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Noise Control field is the utility model is related to, discloses a kind of permeable Felt structure suitable for bridge, described bridge is provided with baffle plate（3）, sound barrier（4）It is installed on the baffle plate（3）Top, and sound barrier（4）Bottom outside and baffle plate（3）There is gap between inside top（c）, described permeable Felt structure includes permeable acoustic board（1）With permeable sound insulationg board（2）, permeable sound insulationg board（2）For sealing described 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.Permeable sound absorption and insulation plate of the present utility model not only reduces the reverberation problem of train in bridge, automobile noise, rainwater can also be guided in addition to the drainage system uniform effluent of bridge floor, make pontic appearance looks elegant, effectively prevent the appearance of pontic current mark and the growth of algae.
Description
Technical field
It the utility model is related to Noise Control field, more particularly to the permeable Felt structure suitable for bridge.
Background technology
It is increasingly frequent with the socio-economic activity in China city, and the surge of urban population and private car, induce
The rapid growth of Urban traffic demand, constantly there is the Large-sized Communication engineering such as viaduct, overpass in Traffic Systems.It is vertical
Bridge, overpass is handed over largely to alleviate traffic pressure, but the noise problem brought therewith also increasingly highlights.
In order to solve noise problem, traditional method is sound barrier high edge 2 ~ 3m of setting on viaduct, overpass baffle plate.
But this kind of sound barrier at present on the inside of barricade, sound barrier bottom do not do noise processed, but only between baffle plate and sound barrier
Gap do sound insulation closure.Although this closure way is administered to noise problem serves certain effect, in use
We have been found that some problems：First, there are many current vestiges not of uniform size in elevated bridge wall, and current mark edge has
Many algae growths, have a strong impact on bridge appearance；Second, reverberation noise is larger in bridge.
Utility model content
Technical problem to be solved in the utility model is for the gap described in background technology, there is provided it is a kind of it is permeable inhale every
Acoustic form, instead of currently used method for blocking, to solve the problems, such as gap sound insulation closure, the structure between sound barrier and baffle plate
Current vestige can be prevented using the Permeable characteristic of material, the adjustable sound absorbing capabilities of material can be utilized to reduce noise source reverberation noise,
Be particularly suitable for use in bridge road.
Technical scheme is used by the utility model solves its technical problem：It is hardened suitable for the permeable sound absorption of bridge
Structure, described bridge are provided with baffle plate, and sound barrier is installed on the top of the baffle plate, and in sound barrier bottom outside and baffle plate top
There is gap, described permeable Felt structure includes permeable acoustic board and permeable sound insulationg board, and permeable sound insulationg board is used between side
In the described gap of sealing, permeable acoustic board is installed on the inside side of permeable sound insulationg board, and is located at bridge pavement and sound barrier
Between bottom.
Further, the permeable sound insulationg board is inclined, and side is close on the inside of baffle plate, opposite side is close to sound barrier bottom
The described gap of portion's sealing, the joining place of sealing are sealed by preparing neutral structure silicone adhesive；Described permeable acoustic board is in vertical shape
State is set, and its top, the bottom with sound barrier, bridge pavement are connected respectively for bottom, is met sound face and is then met sound face base with sound barrier
Originally flush.
Should be noted, above-mentioned described outside and inner side 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, described permeable acoustic board and permeable sound insulationg board are particulate acoustic board.The particulate acoustic board uses
China Patent No. is the particulate acoustic board disclosed in ZL201410347735.1, and the particulate acoustic board is combined into by coating particles
Type, coating particles are then formed by the layer binder of sound absorption particle exterior surface uniform fold one, the particulate sound absorption of connecting shaping
There is sound absorption gap between the particle of plate, and the sound absorption gap and can connects the front-back of acoustic board, certain sound absorption gap
Just it is provided with permeable performance.In addition, to obtain preferable water penetration, the preferably coefficient of permeability of particulate acoustic board is not less than 1.5
×10-2cm/s。
The beneficial effect of such scheme is：Permeable acoustic board can coordinate noise of the sound barrier to train, automobile in bridge
To the effect of sqouynd absorption lowering noise, solves the problems, such as reverberation；Permeable sound insulationg board can not only then rise to the gap between sound barrier and baffle plate
It to the effect of sound insulation, can also be passed through with good water penetration, rainwater from plate body, avoid current vestige and rainwater accumulates for a long time
The poly- growth to algae, make pontic appearance looks elegant, the path that rainwater flows through is：By the seam between sound barrier and bridge baffle plate
Gap first vertically reaches the edge of bridge pavement through permeable sound insulationg board, then flows transversely across permeable acoustic board, finally reaches bridge floor
Drainage system.
Further, the thickness of the permeable sound insulationg board is 15-30mm, and the edge of permeable sound insulationg board surrounding sets U-shaped gold
Belong to bound edge B, the thickness of the U-shaped metal hemming edge B is 0.5-1.2mm, and material is galvanized steel plain sheet, stainless steel or aluminium alloy；The U at both ends
Installation sheet is fixed with type metal hemming edge B, the installation sheet is used to make the foundation pier that permeable sound insulationg board is fixed on by bridge road,
The thickness of installation sheet is 2-4mm, and material is galvanized steel plain sheet, stainless steel or aluminium alloy.
Further, for the mesh number for the sound absorption particle that the permeable sound insulationg board uses for 40-60 mesh, the sound absorption particle is selected from wind
The mixing of one or both of product sand, quartz sand；The binding agent that the permeable sound insulationg board uses is selected from epoxy resin, phenolic aldehyde tree
Fat, Lauxite or furfuryl alcohol resin.
It is above-mentioned further in scheme it should be noted that：In the further scheme although described permeable sound insulationg board is in being based on
Prepared by state Patent No. ZL201410347735.1 patent of invention, but it is improved to some extent, it which disclose one kind
Particulate acoustic board and its scheme is prepared, sound absorption particle therein includes skeleton particle and filler particles, and above-mentioned further scheme
In order that permeable sound insulationg board has more preferable water permeability, sound absorption particle use only a kind of particle, to increase intergranular seam
It gap, specifically can be regarded as use only the skeleton particle described in the patent, do not add the larger filling of particle diameter difference wherein
Grain, intergranular gap is more abundant after improvement, relative to directly use above-mentioned patent particulate acoustic board for, gap it is permeable
Performance is improved.When the mesh number of permeable sound insulationg board sound absorption particle select 40-60 mesh, sound absorption aggregation of particles into particulate suction
Sound plate not only has preferable sound insulation property, while intergranular gap size also assures that preferable water permeability.
Further, the thickness of the permeable acoustic board is 8-15mm, and the edge of permeable acoustic board surrounding sets U-shaped metal
Bound edge A, the U-shaped metal hemming edge A thickness are 0.5-1.2mm, and material is galvanized steel plain sheet, stainless steel or aluminium alloy；Permeable sound absorption
The back of the body sound face of plate is provided with the support frame for strengthening its rigidity, per single permeable acoustic board equipped with least two support ribs
Frame, the thickness of support frame is 1.2-3mm, and section is L-type or groove profile, and both ends are fixed on bridge road by end plate by expansion bolt
On the foundation pier in roadside, the thickness of end plate is 2-4mm, and the material of support frame and end plate is galvanized steel plain sheet, stainless steel or aluminium
Alloy；The angle-style press strip being provided at both ends with for fixed plate body of permeable acoustic board, the section of angle-style press strip is L-type, and thickness is
2-4mm, material are galvanized steel plain sheet, stainless steel or aluminium alloy, and angle-style press strip is also fixed on the base by bridge road by expansion bolt
On plinth pier.
Further, for the mesh number for the sound absorption particle that the permeable acoustic board uses for 20-40 mesh, the sound absorption particle is selected from wind
The mixing of one or both of product sand, quartz sand；The binding agent that the permeable acoustic board uses is selected from epoxy resin, phenolic aldehyde tree
Fat, Lauxite or furfuryl alcohol resin.
Equally, it is above-mentioned further in 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 it is improved to some extent, this is special
Profit discloses a kind of particulate acoustic board and its prepares scheme, and sound absorption particle therein includes skeleton particle and filler particles, and on
Further scheme is stated in order that permeable acoustic board has more preferable water permeability, sound absorption particle equally also use only a kind of
Grain, to increase intergranular gap, also specifically is understood as use only the skeleton particle described in the patent, does not add wherein
Enter the larger filler particles of particle diameter 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 into particulate acoustic board not only there are preferable sound absorbing capabilities, while between particle
Gap size also ensure that preferable water permeability.
Further, the spacing between the permeable acoustic board and baffle plate is 40-200mm.Thus, permeable acoustic board and gear
Resonant cavity is formed between plate, the depth of the resonant cavity（I.e. above-mentioned alleged spacing）It can be adjusted according to the characteristic of noises from noise sources
It is whole, it is met sound absorption characteristics, depth is preferably above-mentioned 40-200mm.
Should be noted, the signified bridge of the utility model includes the high section of various framves, i.e., including cross a river, across river, across lake,
Across sections such as irrigation canals and ditches, viaduct, overpass, overbridge etc..
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of permeable sound insulationg board of the present utility model；
Fig. 3 is the schematic diagram of permeable acoustic board of the present utility model；
Fig. 4 is the schematic diagram of permeable acoustic board support frame；
In figure mark for：The permeable acoustic boards of 1-, the permeable sound insulationg boards of 2-, 3- baffle plates, 4- sound barriers, 5- bridge pavements, 6- bases
Plinth pier, 7-H type columns are firm, 11-U type metal hemming edge A, 12- support frames, 13- end plates, 14- angle-style press strips, 21-U type metal bags
Side B, 22- installation sheet, c- gaps, t- spacing.
Embodiment
The utility model is described in further detail with reference to specific embodiment, but embodiment party of the present utility model
Formula not limited to this.
Generally, the both sides of bridge road can install sound barrier in urban district, to mitigate influence of the noise to surrounding resident.Bridge
During construction, road both sides can set baffle plate 3, and sound barrier 4 is then arranged on the top of the baffle plate 3, and the both sides of sound barrier 4 pass through H types
Column firm 7 is fixed, and H type columns firm 7 are arranged on the foundation pier 6 of its bottom（Usually H profile steel upright post basic pier）.At present, sound
The general construction all than bridge of installation of barrier lags, and is just installed in the later stage of bridge road construction mostly, and the width of baffle plate 3
Spend limited, sound barrier 4 would generally stagger after installing with the top of baffle plate 4, cause to leave gap c between the two, of the present utility model
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, permeable suction is included suitable for the permeable Felt structure of bridge, the structure
Sound plate 1 and permeable sound insulationg board 2.
The permeable sound insulationg board 2 is inclined, and the inner side of baffle plate 3 is close in side, opposite side is close to the sealed bottom of sound barrier 4
Described gap c, the joining place of sealing are sealed by preparing neutral structure silicone adhesive；Described permeable acoustic board 1 is pacified in vertical state
Loaded on the side that permeable sound insulationg board 2 is inside, its top, the bottom with sound barrier 4, bridge pavement 5 are connected respectively for bottom, meet sound face
Then the sound face of meeting with sound barrier 4 is substantially flush.
Described permeable acoustic board 1 and permeable sound insulationg board 2 is particulate acoustic board, and the particulate acoustic board can use China specially
Profit number is the particulate acoustic board disclosed in ZL201410347735.1, and the particulate acoustic board is by coating particles connecting shaping, overlay film
Particle is then formed by the layer binder of sound absorption particle exterior surface uniform fold one.
But in order that particulate acoustic board obtains more preferable water permeability, the present embodiment enters to the particulate acoustic board of above-mentioned patent
Improvement is gone, the sound absorption particle of the particulate acoustic board aforementioned patents disclosed includes skeleton particle and filler particles, and this implementation
Example, which is improved it, is that sound absorption particle use only a kind of particle, i.e. skeleton particle, and it is larger to add particle diameter difference wherein
Filler particles.Additionally, it is preferred that the coefficient of permeability of the particulate acoustic board need 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 that the permeable sound insulationg board 2 uses is 60 mesh, the suction
Sound particle is selected from aeolian sand, and the binding agent that the permeable sound insulationg board 2 uses is selected from epoxy resin.The edge of the permeable surrounding of sound insulationg board 2
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 that the permeable acoustic board 1 uses is 20 mesh, the suction
Sound particle is selected from aeolian sand, and the binding agent that the permeable acoustic board 1 uses is selected from epoxy resin.The edge of the permeable surrounding of acoustic board 1
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 strengthening its rigidity, per single permeable acoustic board 1 equipped with two support frames 12,
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
The angle-style press strip 14 for fixed plate body is provided with, 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 the foundation pier 6 by road by expansion bolt.
Sound absorption is formed after permeable sound absorption structure installation of the present utility model, between permeable acoustic board 1 and baffle plate 3 altogether
Shaken chamber, and the depth of the resonant cavity is adjusted according to noises from noise sources characteristic（That is Fig. 1 medium spacings t）, it is met sound absorption characteristics, this reality
The resonant cavity depth for applying example is 60mm.
Embodiment 2：
Suitable for the permeable Felt structure of bridge, the structure includes permeable acoustic board 1 and permeable sound insulationg board 2.Due to
The present embodiment is only the difference such as quantity, size, the mesh number for the particle that absorbs sound of section components compared with Example 1, therefore not independent
Enumerate accompanying drawing expression.
The permeable sound insulationg board 2 is inclined, and the inner side of baffle plate 3 is close in side, opposite side is close to the sealed bottom of sound barrier 4
Described gap c, the joining place of sealing are sealed by preparing neutral structure silicone adhesive；Described permeable acoustic board 1 is pacified in vertical state
Loaded on the side that permeable sound insulationg board 2 is inside, its top, the bottom with sound barrier 4, bridge pavement 5 are connected respectively for bottom, meet sound face
Then the sound face of meeting with sound barrier 4 is substantially flush.
Described permeable acoustic board 1 and permeable sound insulationg board 2 is particulate acoustic board, and the particulate acoustic board can use China specially
Profit number is the particulate acoustic board disclosed in ZL201410347735.1, and the particulate acoustic board is by coating particles connecting shaping, overlay film
Particle is then formed by the layer binder of sound absorption particle exterior surface uniform fold one.
But in order that particulate acoustic board obtains more preferable water permeability, the present embodiment enters to the particulate acoustic board of above-mentioned patent
Improvement is gone, the sound absorption particle of the particulate acoustic board aforementioned patents disclosed includes skeleton particle and filler particles, and this implementation
Example, which is improved it, is that sound absorption particle use only a kind of particle, i.e. skeleton particle, and it is larger to add particle diameter difference wherein
Filler particles.Additionally, it is preferred that the coefficient of permeability of the particulate acoustic board need 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 that the permeable sound insulationg board 2 uses is 50 mesh, the suction
Sound particle is selected from quartz sand, and the binding agent that the permeable sound insulationg board 2 uses is selected from epoxy resin.The edge of the permeable surrounding of sound insulationg board 2
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
Be welded with installation sheet 22 on category 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 that the permeable acoustic board 1 uses is 30 mesh, the suction
Sound particle is selected from quartz sand, and the binding agent that the permeable acoustic board 1 uses is selected from epoxy resin.The edge of the permeable surrounding of acoustic board 1
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 support frame 12 for strengthening its rigidity, per single permeable acoustic board 1 equipped with three support frames
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
The angle-style press strip 14 for fixed plate body is provided at both ends with, 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 the foundation pier 6 by road by expansion bolt.
Sound absorption is formed after permeable sound absorption structure installation of the present utility model, between permeable acoustic board 1 and baffle plate 3 altogether
Shaken chamber, and the depth of the resonant cavity is adjusted according to noises from noise sources characteristic（Referring to Fig. 1 medium spacings t）, it is met sound absorption characteristics, this
The resonant cavity depth of embodiment 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 plate
Play a part of sound insulation, can also be passed through with good water penetration, rainwater from plate body, avoid the current vestige that presently, there are with
And rainwater gathers the growth to algae for a long time, also avoids influence of the algae to bridge appearance certainly.
Claims (6)
1. suitable for the permeable Felt structure of bridge, described bridge is provided with baffle plate（3）, sound barrier（4）It is installed on this
Baffle plate（3）Top, and sound barrier（4）Bottom outside and baffle plate（3）There is gap between inside top（c）, it is characterised in that：
Described permeable Felt structure includes permeable acoustic board（1）With permeable sound insulationg board（2）, permeable sound insulationg board（2）For sealing
Described 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 plate is close in side（3）Inner side, opposite side are close to sound barrier（4）Gap described in sealed bottom（c）,
The joining place of sealing is sealed by preparing neutral structure silicone adhesive；Described permeable acoustic board（1）Set in vertical state, its 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 particulate acoustic board.
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, permeable sound insulationg board（2）The edge of surrounding sets U-shaped metal hemming edge B（21）, the U-shaped metal bag
Side B（21）Thickness be 0.5-1.2mm, material is 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.
5. 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, permeable acoustic board（1）The edge of surrounding sets U-shaped metal hemming edge A（11）, the U-shaped metal hemming edge
A（11）Thickness be 0.5-1.2mm, material is galvanized steel plain sheet, stainless steel or aluminium alloy；Permeable acoustic board（1）Back of the body sound face set
It is equipped with the support frame for strengthening its rigidity（12）, per single permeable acoustic board（1）Equipped with least two support frames
（12）, support frame（12）Thickness be 1.2-3mm, section is L-type or groove profile, and both ends pass through end plate（13）Consolidated by expansion bolt
The foundation pier being scheduled on by bridge road（6）On, end plate（13）Thickness be 2-4mm, support frame（12）And end plate（13）Material
Matter is galvanized steel plain sheet, stainless steel or aluminium alloy；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 is galvanized steel plain sheet, stainless steel or aluminium alloy, angle-style pressure
Bar（14）Also the foundation pier by bridge road is fixed on by expansion bolt（6）On.
6. the permeable Felt structure suitable for bridge according to any one in claim 1-5, it is characterised in that：
The permeable acoustic board（1）With baffle plate（3）Between spacing（t）For 40-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360643.6U CN206815205U (en) | 2017-04-07 | 2017-04-07 | Suitable for the permeable Felt structure of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360643.6U CN206815205U (en) | 2017-04-07 | 2017-04-07 | Suitable for the permeable Felt structure of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206815205U true CN206815205U (en) | 2017-12-29 |
Family
ID=60752583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360643.6U Active CN206815205U (en) | 2017-04-07 | 2017-04-07 | Suitable for the permeable Felt structure of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206815205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691278A (en) * | 2017-04-07 | 2018-10-23 | 正升环境科技股份有限公司 | Permeable Felt structure suitable for bridge |
| CN110468752A (en) * | 2019-09-10 | 2019-11-19 | 广州地铁设计研究院股份有限公司 | Rain-proof curtain sound barrier for rail transit elevated bridge |
-
2017
- 2017-04-07 CN CN201720360643.6U patent/CN206815205U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691278A (en) * | 2017-04-07 | 2018-10-23 | 正升环境科技股份有限公司 | Permeable Felt structure suitable for bridge |
| CN108691278B (en) * | 2017-04-07 | 2024-03-15 | 正升环境科技股份有限公司 | Water-permeable sound-absorbing and insulating plate structure suitable for bridge |
| CN110468752A (en) * | 2019-09-10 | 2019-11-19 | 广州地铁设计研究院股份有限公司 | Rain-proof curtain sound barrier for rail transit elevated bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206815205U (en) | Suitable for the permeable Felt structure of bridge | |
| CN101392544A (en) | Gap catchment infiltration type drainage ditch | |
| CN106368167B (en) | A kind of flood control combined baffle mechanism | |
| CN108330866A (en) | A kind of roadside greening isolation strip convenient for rapid construction | |
| CN205874891U (en) | Be applied to permeable pavement structure in sponge city | |
| CN206815204U (en) | A kind of board-like sound absorbing-insulating barrier | |
| CN108691278A (en) | Permeable Felt structure suitable for bridge | |
| CN108505411A (en) | A kind of tunnel cement concrete road surface structure and laying method | |
| CN109653107B (en) | Water-permeable energy-absorbing asphalt pavement structure and laying method thereof | |
| CN105568880B (en) | The split type non-metal sound barrier that traffic route is molded with primary concreting | |
| CN107558388A (en) | A kind of sound barrier and its installation method applied to existing railway line | |
| CN218881262U (en) | Hang curtain futilely in coordination with scattered water subsides deformation node construction structures | |
| CN209227322U (en) | A kind of permeable pavement structure for residential quarters | |
| CN110593320A (en) | Early sealing structure for outer wall post-cast strip and construction method thereof | |
| CN208363508U (en) | The underground space can white-out infiltration ground structure | |
| CN200940245Y (en) | Road built by assembled casing filled with stone | |
| CN205591135U (en) | Traffic route is with once only pouring fashioned split type non - metallic sound protective screen | |
| CN205012353U (en) | FRP slab band formula foundation ditch envelope | |
| CN205295827U (en) | Add stake road bed retaining structure | |
| CN107747283A (en) | A kind of sky way sound panel for handling vehicle exhaust | |
| CN207314181U (en) | A kind of sound barrier applied to existing railway line | |
| CN206157669U (en) | Fill reinforced concrete water -stop dam of rubbish | |
| CN206467514U (en) | A kind of roadbed | |
| CN101684693B (en) | Steel-structure automobile-washing groove | |
| CN214116135U (en) | Drainage bituminous pavement structure that old way was reformed transform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |