CN107447688B - A kind of roadbed non-metal sound barrier and preparation method thereof - Google Patents
A kind of roadbed non-metal sound barrier and preparation method thereof Download PDFInfo
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- CN107447688B CN107447688B CN201710485695.0A CN201710485695A CN107447688B CN 107447688 B CN107447688 B CN 107447688B CN 201710485695 A CN201710485695 A CN 201710485695A CN 107447688 B CN107447688 B CN 107447688B
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- polyurethane foam
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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
- E01F8/0017—Plate-like elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/26—Wood, e.g. sawdust, wood shavings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a kind of roadbed non-metal sound barrier, the sound-absorbing material filled inside cube body case surrounded by light weight cement plate and cube is formed；The light weight cement plate is mainly made of the raw material of following parts by weight: 28-60 parts of cement, 10 ~ 20 parts of middle sand, wood wool or 20-40 parts of stalk；0.1 ~ 1 part of water-reducing agent, pore-creating dosage is 0.05-0.1 parts；The sound-absorbing material is polyurethane foam material.Roadbed non-metal sound barrier of the present invention is compared with other non-metal sound barriers, maximum feature is that the roadbed non-metal sound barrier such as has that light-weight, intensity is high, heat preservation, sound insulation, water-fast, fire-retardant and resistance to bacterium damage by worms and lose at the excellent performances, and machining and incrustation performance are good, with comprehensive strategic importances such as energy conservation, section soil, section materials, the defects of existing sound barrier intensity is low, quality is big, easy to aging, deflection is big is overcome.
Description
Technical field
The invention belongs to noise protection fields, and in particular to a kind of roadbed non-metal sound barrier.
Background technique
Modern Traffic such as high-speed railway, urban light rail, the trip that highway is resident and local economic development are brought
The big help of sentence, but traffic noise is also inevitably brought, very big shadow is carried out to the life of Along Traffic Trunk Lines resident, learning tape
It rings.Reducing vehicle noise, being laid with Low Noise Pavement is to reduce a kind of means of traffic noise, but be limited to its effect effect of technical reason
Fruit is limited and cost is also very high.And building sound barrier is current most effective settling mode.Sound barrier is broadly divided into metallic sound
Barrier and non-metal sound barrier.
Current metal sound barrier price height is perishable but light-weight easy to install；Roadbed non-metal sound barrier is mostly cement
Concrete acoustical barrier, cement concrete sound barrier weight is big, and lifting is more difficult, and the production cycle is long, and operating expenses is higher, and cement
Concrete acoustical barrier surface is easy to crack.
Summary of the invention
For overcome the deficiencies in the prior art, the roadbed non-metal sound barrier new the purpose of the present invention is to provide one kind,
It is mainly formed by light weight cement plate and polyurethane foam composition.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions.
It is filled inside a kind of roadbed non-metal sound barrier, cube body case surrounded by light weight cement plate and cube
Sound-absorbing material composition；The light weight cement plate is mainly made of the raw material of following parts by weight: 28 ~ 60 parts of cement, middle sand 10 ~
20 parts, wood wool or 20-40 parts of stalk, 0.1 ~ 1 part of water-reducing agent, pore-creating dosage are 0.05-0.1 parts；The sound-absorbing material is poly-
Urethane foamed material.The weight of cement plate, internal filled polyurethane hair are significantly reduced using wood wool or stalk as packing material
Foam material further mitigates the weight of sound barrier.
Further the light weight cement plate also contains 1 ~ 3 part of reinforcing fiber, and reinforcing fiber is vinal or gathers
Dralon.Polyvinyl alcohol staple fiber or polyacrylonitrile fibre is used to improve the crack resistance of cement plate as reinforcing fiber, resist
Infiltration property and frost resistance are reduced dry-shrinkage deformed.
Further the panel of the shell is provided with several sound-absorbing hole.Be conducive to sound wave enter inside sound barrier abatement without
It reflects back, the percent opening that panel is opened is 15 ~ 25%, and the shape of sound-absorbing hole is round or regular hexagon.
Further the sound-absorbing material is several layers polyurethane foam material superposition composition, every layer of polyurethane foam material
It is provided with bloop corresponding with panel sound absorption hole number same position, panel and one layer of adjacent each suction of polyurethane foam material
Acoustic aperture is overlapped 10 ~ 20% with noise reduction hole site, and each noise reduction hole site of adjacent two layers polyurethane foam material is overlapped 10 ~ 20%.
The polyurethane foam material of inside filling is divided into 3 ~ 5 layers, mutually staggers certain distance between layers, is overlapped noise reduction hole site
10 ~ 20%, an irregular channel is formed, after sound wave entrance in the channel of deformation, constantly inside polyurethane foam material
Reflection, abatement, is finally reached the purpose of noise reduction.
Further the left plate of the shell and lower side panel are recessed interior of shell, and recessed distances are left plate and lower side panel
The 1/3 ~ 1/2 of plate thickness；The right side plate and epipleural of the shell protrude shell exterior, and protrusion distance is right side plate and epipleural plate
Thick 1/3 ~ 1/2.When every piece of audio frequency barrier all form public slot and female groove, convenient for construction, installation.
With cementing between each plate face of cube body case that further light weight cement plate surrounds.
Further provide a kind of preparation method of roadbed non-metal sound barrier, comprising the following steps:
(1) in parts by weight by 28-60 parts of cement, 10 ~ 20 parts of middle sand, wood wool or 20-40 parts of stalk；Water-reducing agent
0.1 ~ 1 part, pore-creating dosage is 0.05-0.1 parts, and water mixing is added, injection molding, laminates the processes such as molding, steam test maintenance and drying
And the light weight cement plate of required size is made, including left side plate, upper and lower side plate, backboard and panel；
(2) left side plate made from step (1), upper and lower side plate, backboard are surrounded into frame-type, and with cementing；
(3) polyurethane foam material is injected in mold, polyurethane foam board is made；
(4) polyurethane foam board made from step (3) is put into frame made from step (3), covers panel, and with cement
Bonding.
Further sound-absorbing hole is made in punching press on gained panel in step (1).
Further the bloop of polyurethane foam board is formed in injection molding in the step (3).Raw material can be saved.
The utility model has the advantages that compared with the prior art, the advantages of the present invention are as follows:
1) excellent performances such as have that light-weight, intensity is high, heat preservation, sound insulation, water-fast, fire-retardant and resistance to bacterium damage by worms and lose；
2) machining and incrustation performance are good, energy conservation, section soil, section material.
Detailed description of the invention
Fig. 1 roadbed non-metal sound barrier front view
The top cross-sectional view of Fig. 2 roadbed non-metal sound barrier
Fig. 3 roadbed non-metal sound barrier side view
Fig. 4 roadbed non-metal sound barrier faces partial cutaway view
Wherein 1. panel, 2. backboards, 3. left plates, 4. right side plates, 5. epipleurals, 6. lower side panels, 7. polyurethane hair
Foam material, 8. sound-absorption holes, 9. bloops, 10. first layer polyurethane foam boards, 11. second layer polyurethane foam boards, 12.
Three layers of polyurethane foam board, 13. the 4th layers of polyurethane foam board, 14. layer 5 polyurethane foam boards.
Specific embodiment
Below with reference to example, the present invention is described in further detail.
Embodiment 1
A kind of preparation method of roadbed non-metal sound barrier, comprising the following steps:
(1) in parts by weight by 20 parts of 60 parts of cement, 10 parts of middle sand, wood wool or stalk, 1 part of polyvinyl alcohol staple fiber,
0.1 part of water-reducing agent, pore-creating dosage is 0.1 part, water mixing, injection molding is added, laminates the processes such as molding, steam test maintenance and drying and
The light weight cement plate of required size, including left side plate 4, upper and lower side plate 6, backboard 2 and panel 1 is made, is then rushed on panel 1
Press sound-absorbing hole；
(2) left side plate 4 made from step (1), upper and lower side plate 6, backboard 2 are surrounded into frame-type, and with cementing；
(3) polyurethane foam material 7 is injected in mold, is made and surrounds the poly- ammonia that frame-type size matches with step (2)
Ester foaming plate；
(4) polyurethane foam board made from step (3) is put into frame made from step (3), covers panel 1, and with water
Mud bonding.
Embodiment 2
It is substantially the same manner as Example 1, except that the formula of light weight cement plate is, in parts by weight by 40 parts of cement,
30 parts of 20 parts of middle sand, wood wool or stalk, 2 parts of polyacrylonitrile fibre, 0.5 part of water-reducing agent, pore-creating dosage are 0.08 part, injection molding,
Molding is laminated, then the punching press sound-absorbing hole on panel 1, percent opening 15%；The left plate 3 and lower side panel 6 of shell are recessed in shell
Portion, recessed distances are the 1/2 of 6 plate thickness of left plate 3 and lower side panel；Outside right side plate 4 and epipleural 5 the protrusion shell of the shell
Portion, protrusion distance are the 1/2 of 5 plate thickness of right side plate 4 and epipleural；Polyurethane foam material 7 injects die for molding, every piece of thickness
It is the 1/3 of shell side board width, forms bloop 9, shape, quantity and the panel of bloop 9 when 7 injection molding of polyurethane foam material
1 sound-absorption hole 8 is identical, panel 1 and the adjacent each sound-absorbing hole of one layer of polyurethane foam material 7 and 9 position of bloop when placement
It is overlapped 20%, 9 position of each bloop of adjacent two layers polyurethane foam material 7 is overlapped 20%.
Embodiment 3
It is substantially the same manner as Example 1, except that the formula of light weight cement plate is, in parts by weight by 28 parts of cement,
20 parts of 15 parts of middle sand, wood wool or stalk, 3 parts of polyvinyl alcohol staple fiber, 1 part of water-reducing agent, pore-creating dosage are 0.05 part, injection molding,
Molding is laminated, then the punching press sound-absorbing hole on panel 1, percent opening 25%；The left plate 3 and lower side panel 6 of shell are recessed in shell
Portion, recessed distances are the 1/2 of 6 plate thickness of left plate 3 and lower side panel；Outside right side plate 4 and epipleural 5 the protrusion shell of the shell
Portion, protrusion distance are the 1/2 of 5 plate thickness of right side plate 4 and epipleural；Polyurethane foam material 7 injects die for molding, every piece of thickness
It is the 1/5 of shell side board width, forms bloop 9, shape, quantity and the panel of bloop 9 when 7 injection molding of polyurethane foam material
1 sound-absorption hole 8 is identical, panel 1 and the adjacent each sound-absorbing hole of one layer of polyurethane foam material 7 and 9 position of bloop when placement
It is overlapped 10%, 9 position of each bloop of adjacent two layers polyurethane foam material 7 is overlapped 10%.
The present invention is tested with existing concrete acoustical barrier, is compared, data are as follows:
| Surface compression strength/MPa | Flexural strength/MPa | Noise reduction coefficient | Bulk density/kgm-3 | |
| Embodiment 1 | 5.43 | 1.86 | 0.87 | 420 |
| Embodiment 2 | 4.82 | 1.69 | 0.91 | 385 |
| Embodiment 3 | 4.97 | 1.74 | 0.96 | 380 |
| Concrete acoustical barrier | 6.0-8.0 | 2.0-3.5 | 0.7-0.8 | 1500-2000 |
It can be seen that roadbed non-metal sound barrier of the invention has, light-weight, intensity is high, sound insulation value is excellent.
The present invention is illustrated according to above-described embodiment, it should be understood that above-described embodiment does not limit this in any form
Invention, it is all to use equivalent substitution or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.
Claims (7)
1. a kind of roadbed non-metal sound barrier, which is characterized in that cube body case and cube surrounded by light weight cement plate
The sound-absorbing material composition of inside filling；The light weight cement plate is mainly made of the raw material of following parts by weight: cement 28-60
Part, 10 ~ 20 parts of middle sand, wood wool or 20-40 parts of stalk, 0.1 ~ 1 part of water-reducing agent, pore-creating dosage are 0.05-0.1 parts；The suction
Sound material is polyurethane foam material；The panel of the shell is provided with several sound-absorbing hole, and the sound-absorbing material is several strata ammonia
Ester foaming material superposition composition, every layer of polyurethane foam material are provided with noise reduction corresponding with panel sound absorption hole number same position
Hole, panel are overlapped 10 ~ 20% with noise reduction hole site with one layer of adjacent each sound-absorbing hole of polyurethane foam material, and adjacent two layers are poly-
Each noise reduction hole site of urethane foamed material is overlapped 10 ~ 20%.
2. a kind of roadbed non-metal sound barrier according to claim 1, which is characterized in that the light weight cement plate also contains
1 ~ 3 part of reinforcing fiber, reinforcing fiber is vinal or polyacrylonitrile fibre.
3. a kind of roadbed non-metal sound barrier according to claim 1, which is characterized in that the left plate of the shell is under
Side plate is recessed interior of shell, and recessed distances are the 1/3 ~ 1/2 of left plate and lower side panel plate thickness；The right side plate of the shell and upside
Plate protrudes shell exterior, and protrusion distance is the 1/3 ~ 1/2 of right side plate and epipleural plate thickness.
4. a kind of roadbed non-metal sound barrier according to claim 1, which is characterized in that the light weight cement plate surrounded
With cementing between cube each plate face of body case.
5. the preparation method of any one roadbed non-metal sound barrier according to claim 1 ~ 4, which is characterized in that including with
Lower step:
(1) in parts by weight by 28-60 parts of cement, 10 ~ 20 parts of middle sand, wood wool or 20-40 parts of stalk；Water-reducing agent 0.1 ~ 1
Part, pore-creating dosage is 0.05-0.1 parts, and water mixing is added, injection molding, laminates molding, steam test maintenance and drying process and institute is made
Need the light weight cement plate of size, including left side plate, upper and lower side plate, backboard and panel；
(2) left side plate made from step (1), upper and lower side plate, backboard are surrounded into frame-type, and with cementing；
(3) polyurethane foam material is injected in mold, polyurethane foam board is made；
(4) polyurethane foam board made from step (3) is put into frame made from step (3), covers panel, and viscous with cement
It closes.
6. a kind of preparation method of roadbed non-metal sound barrier according to claim 5, which is characterized in that in step (1)
Sound-absorbing hole is made in punching press on gained panel.
7. a kind of preparation method of roadbed non-metal sound barrier according to claim 5, which is characterized in that in step (3)
The bloop of polyurethane foam board is formed in injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485695.0A CN107447688B (en) | 2017-06-23 | 2017-06-23 | A kind of roadbed non-metal sound barrier and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710485695.0A CN107447688B (en) | 2017-06-23 | 2017-06-23 | A kind of roadbed non-metal sound barrier and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107447688A CN107447688A (en) | 2017-12-08 |
| CN107447688B true CN107447688B (en) | 2019-11-22 |
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| CN109180134A (en) * | 2018-11-23 | 2019-01-11 | 武汉轻工大学 | A kind of fiber reinforced cement board and its preparation method and application |
| CN109998346A (en) * | 2019-04-16 | 2019-07-12 | 天津市天瑞地毯有限公司 | A kind of carpet with electronic scale |
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| CN1308551C (en) * | 2005-04-11 | 2007-04-04 | 中国建筑材料科学研究院 | Cement-based composite sound absorption material, method for manufacturing the same and sound barrier acoustic board |
| JP5810425B2 (en) * | 2010-03-01 | 2015-11-11 | 名古屋油化株式会社 | Sound absorption and insulation panel material |
| CN101818484B (en) * | 2010-05-21 | 2011-07-20 | 淄博北辰金属材料科技发展有限公司 | Special silicon-magnesium-polymer cement acoustic panel of road sound barrier and preparation method thereof |
| CN102733324B (en) * | 2012-06-15 | 2014-10-15 | 罗继革 | New use of five-prevention light body partition board as sound barrier |
| CN203373677U (en) * | 2013-08-11 | 2014-01-01 | 马秀君 | Sound barrier |
| CN205242285U (en) * | 2015-11-30 | 2016-05-18 | 江苏好声音新材料科技有限公司 | Sound insulation cell board is inhaled to sound barrier cement base |
| CN205934761U (en) * | 2016-08-12 | 2017-02-08 | 中铁四局集团有限公司 | Metal sound barrier panel |
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