CN105297646B - A kind of noise control acoustic barrier of building structure - Google Patents
A kind of noise control acoustic barrier of building structure Download PDFInfo
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- CN105297646B CN105297646B CN201510881496.2A CN201510881496A CN105297646B CN 105297646 B CN105297646 B CN 105297646B CN 201510881496 A CN201510881496 A CN 201510881496A CN 105297646 B CN105297646 B CN 105297646B
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Abstract
The present invention relates to a kind of noise control acoustic barrier of building structure, it includes：Basis, on the basis of be fixed with some columns, some acoustic barrier unit boards are fixed between adjacent upright posts, the acoustic barrier unit board includes two layers of aluminum fiber thin plate, two layer concrete acoustic boards, two layers of foam ceramic wafer, cavity, collapsible abatvoix and perimeter frame, two side external surfaces of the acoustic barrier unit board are aluminum fiber thin plate, two layers aluminum fiber thin plate is internally provided with two layer concrete acoustic boards, two layer concrete acoustic boards are internally provided with two layers of foam ceramic wafer, the centre of two layers of foam ceramic wafer is cavity, collapsible abatvoix is mineral wool material, it is set in the cavities in the form of being continuously folded to connect up and down, perimeter frame fixes two layers of aluminum fiber thin plate successively from outside to inside, two layer concrete acoustic boards, two layers of foam ceramic wafer.The invention belongs to a part for building structure, its simple in construction, manufacturing cost is low, while realizing extraordinary sound absorption effect.
Description
Technical field
The invention belongs to pollution from environmental noise control field, more particularly to building structure noise abatement in city is set
Apply, and in particular to a kind of noise control acoustic barrier of building structure.
Background technology
The control problem of noise is increasingly valued by people, and ambient noise is directly connected to the life matter of people
Amount, or even the physiology and mental health of people is had a major impact, it is more and more intensive especially as building structure in the modern life, its
Also increasingly nearer from road and railway, influence of the noise to building structure on road and railway is growing day by day.Sound barrier is rail
The critical facility of road traffic, overpass and highway Noise measarement, current sound barrier is normally mounted at road or rail
The one or both sides of road circuit, absorbing sound type and the major class of sound insulation type two can be divided into.Wherein sound-absorbed barrier is in face of sound source
Side has higher acoustic absorptivity, and is not absorbed sound typically back to the side of sound source；The two sides of sound insulation type sound barrier is all
Do not absorb sound.In order to further reduce the noise of track traffic and road, it is sometimes desirable in railway (including urban track traffic)
Circuit between the larger sound barrier of setting height(from bottom), the design of sound barrier (as above, between downlink) or between the track of road
Making will also meet many requirements such as effect, life-span and environmental protection.
At present, sound barrier mainly has the species such as sawdust-board, concrete slab, metallic plate, pearlite slab, glass epoxy.Wherein,
Concrete slab is simple to manufacture, and cost is relatively low, is used widely.But in terms of the plate property of sound barrier there is a problem in that：
1. sound absorption, sound insulation property be not good.
2. cement base sound barrier panel produces and returns halogen, scum.
3. low intensity, yielding.
4. poor water resistance.
5. weather resistance poor performance, service life is short.
Accordingly, it can be found that sound barrier is in material of main part selection, Design of Mechanical Structure, the optimization of acoustic construction, sound absorption material
All many-sides such as the screening of material and mounting structure and construction method have been required to many improve and room for improvement.
The content of the invention
To solve the above problems, the invention provides a kind of noise control acoustic barrier of building structure, it can be tied with building
The basis of structure is combined together, and belongs to a part for building structure, for preventing the noise of traffic to the influence of building structure.Should
Noise barrier structure is simple, maintenance is convenient, manufacturing cost is low；It uses a variety of sound-absorbing materials and structure to carry out collective effect simultaneously,
Realize extraordinary sound absorption effect.
The present invention is a kind of noise control acoustic screen that the technical scheme that is used of solution above-mentioned technical problem is building structure
Barrier, it includes：It is fixed with basis 1, basis 1 between some columns 2, adjacent upright posts 2 and is fixed with some sound barrier units
Plate 3, the acoustic barrier unit board 3 includes two layers aluminum fiber thin plate 4, two layer concrete acoustic boards 5, two layers of foam ceramic wafer 6, cavity
7th, collapsible abatvoix 8 and perimeter frame, two side external surfaces of the acoustic barrier unit board 3 are aluminum fiber thin plate 4, two layers of aluminium
Thin fiber board 4 is internally provided with two layer concrete acoustic boards 5, and two layer concrete acoustic boards 5 are internally provided with two layers of foam
Ceramic wafer 6, the centre of two layers of foam ceramic wafer 6 is cavity 7, and collapsible abatvoix 8 is mineral wool composite, and it to connect up and down
The continuous form being folded to connect is arranged in cavity 7, and perimeter frame is fixed two layers aluminum fiber thin plate 4, mixed for two layers successively from outside to inside
Solidifying soil acoustic board 5, two layers of foam ceramic wafer 6；Wherein
Concrete in the concrete acoustic board 5 includes the material of following parts by weight：200-300 parts of cement, 1-2 parts
Closed perlite, 2-5 parts of haydite, 39-42 parts of MgCl2.6H2O, 0.2-0.3 parts of Na2PO4, 0.2-0.3 parts of diminishing
Dispersant, 0.8-1.0 parts of FeSO4.7H2O, 15-25 parts of organic polymeric emulsions, 9-11 parts of reinforcing fiber, 0.4-0.6
The water-fast structure modifier of sial and 150-170 parts of water of part；By above-mentioned parts by weight by cement, MgCl2.6H2O、Na2PO4, subtract
Water dispersant, FeSO4.7H2O, organic polymeric emulsions and water are added in complex liquid preparation vessel, and stirring makes after it is completely dissolved, mistake
Filter, it is standby, then the haydite of above-mentioned parts by weight, closed perlite, reinforcing fiber, sial is water-fast structure modifier are added and prepared
In good complex liquid, stir 20-30 minute, form slurry, standby cast use, by the mould of preparation, curing molding, and demoulding,
Natural curing, produces described concrete acoustic board 5；
Foamed ceramics in the foamed ceramic panel 6 includes the material of following parts by weight：35 parts of ceramic material, 10 parts
Al2O3, 2 parts of Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant, surplus is water；The foamed ceramics is in system
The organic cavernous body for being 75-80% from open porosity when standby is presoma, and in temperature 50 C, concentration is 2-2.5mol/L
Alkali lye in soak 2-3 hour, take out clean dries, by progress impurity elimination, dewater treatment ceramic material and Al2O3, 2 parts
Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant add water according to the above ratio mixing, obtain moisture content for 52-
58% ceramic slurry, mixing and ball milling is carried out 2-3 hours by the ceramic slurry, crosses 250 mesh sieves and ceramic slurry is made；By having after processing
Machine cavernous body is immersed in the ceramic slurry, and abundant midge is rubbed repeatedly, additional size is gone out with to roll row, foamed ceramics is obtained
Base substrate, by foamed ceramics base substrate at 22-28 DEG C it is cool 4-5 hours, afterwards with infra-red drying, control rate of drying on an hourly basis 10
DEG C it is warming up to after 85 DEG C and is incubated, the drying amount of contraction of base substrate should be less than 10%, then be loaded into heat-resisting die inframe, total fill able
The 1/3-1/2 for mold capacity is measured, the mould for having been loaded with idiosome is placed in roller kilns on roller rod and enters klining into temperature is burnt till in control
Degree system is：2-2.5h is ramped up 900 DEG C by room temperature, then 1180-1190 DEG C, guarantor are ramped up by 900 DEG C in 3.5-4.5h
Warm 0.5-1h；Room temperature is naturally cooled to, burnt product is then stripped to obtain, described foamed ceramics is produced；
Aerosil and hollow glass micropearl are filled with described mineral wool composite, passes through phenolic resin
Aerosil and hollow glass micropearl and mineral wool are combined by binding agent, first with draw-off pump by silica
Airsetting glue solution and phenolic resin adhesive solution extraction stir into blending tank, followed by centrifugal blast legal system
Standby mineral wool, and sprinkling aerosil and phenolic resin adhesive mixed liquor and hollow glass are micro- during descending slowly and lightly
Pearl, then will descend slowly and lightly and is solidified in delivering into curing oven through conveyer belt into the mineral wool on lace curtaining, in high temperature, extruding condition
Under prepare described mineral wool composite；
It is preferred that, the high-temperature agglomerant is waterglass or aluminium dihydrogen phosphate, and the particle diameter of the foaming agent is 350-400
Mesh.
In any of the above-described scheme preferably, the specification of the hollow glass micropearl is：50-100 μm of diameter, it is apparent close
Spend 0.15-0.2g/cm3, the concentration of phenolic resin is 5- in aerosil and the phenolic resin adhesive mixed liquor
8%；
In any of the above-described scheme preferably, the temperature of the solidification is 200-220 DEG C, described mineral wool composite wood
The weight ratio of mineral wool, aerosil, hollow glass micropearl and phenolic resin adhesive in material is 10: 3: 2: 1.
In any of the above-described scheme preferably, the particle diameter of the closed perlite is 0.8-1.2mm, the grain of the haydite
Footpath is 8-10mm.
In any of the above-described scheme preferably, the organic polymeric emulsions are polyacrylate dispersion and polyurethane
Composition, its weight ratio is 1: 1；Reinforcing fiber is alkali containing glass fibre, disperse any of enhanced short PP fibers or its two
The combination planted；Silicon-aluminum structure modifying agent is the one or both combination in bentonite, montmorillonite.
In any of the above-described scheme preferably, reinforcement or bar-mat reinforcement can be set in the concrete acoustic board 5, it is described
The outer surface of sound barrier can be arc or waveform.
Beneficial effects of the present invention：
1. the sound barrier intensity of the present invention is high, indeformable, water-tolerant, weathering resistance, service life are long, and absorb sound sound insulation value
It is excellent.
2. the present invention sound barrier can large-scale plant it is prefabricated, construct it is convenient, prestressed slab structure integral rigidity is good, durable
Property it is good, defening effect can be effectively improved so that structural mechanical property and being optimal of noise reduction.
3. the general structure of the present invention is simple, easy installation and removal, the structure is connected firmly, good integrity, noise reduction
It is good, strong by the extraneous crushing resistance such as wind-force.
4. the basis and the basis of building structure main body of the sound barrier of the present invention are combined together, belong to the one of building structure
Part, is widely used in urban architecture structure, such as residential building, one-storey house or office building considerably reduce traffic noise to building
The influence of building structure, protects the health of people.
Brief Description Of Drawings
Fig. 1 is the front elevation view of the noise control acoustic barrier of the building structure according to the present invention；
Fig. 2 according to the present invention acoustic barrier unit board structural representation；
Fig. 3 is the overall schematic in application according to the noise control acoustic barrier of the building structure of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1
Referring to Fig. 1 and 2, a kind of noise control acoustic barrier 10 of building structure, it includes：Fixation is set on basis 1, basis 1
Have and some acoustic barrier unit boards 3 are fixed between some columns 2, adjacent upright posts 2, the acoustic barrier unit board 3 includes two layers of aluminium
Thin fiber board 4, two layer concrete acoustic boards 5, two layers of foam ceramic wafer 6, cavity 7, collapsible abatvoix 8 and perimeter frame, institute
Two side external surfaces for stating acoustic barrier unit board 3 are aluminum fiber thin plate 4, and two layers of being internally provided with two layers for aluminum fiber thin plate 4 is mixed
Solidifying soil acoustic board 5, two layer concrete acoustic boards 5 are internally provided with two layers of foam ceramic wafer 6, two layers of foam ceramic wafer 6
Between be cavity 7, collapsible abatvoix 8 be mineral wool composite, it is arranged on cavity 7 in the form of being continuously folded to connect up and down
In, perimeter frame fixes two layers aluminum fiber thin plate 4, two layer concrete acoustic boards 5, two layers of foam ceramic wafer 6 successively from outside to inside；
Wherein
Concrete in the concrete acoustic board 5 includes the material of following parts by weight：200 parts of cement, 2 parts of closed pore
Perlite, 2 parts of haydite, 42 parts of MgCl2.6H2O, 0.2 part of Na2PO4, 0.3 part diminishing dispersant, 0.8 part
FeSO4.7H2O, 25 parts of organic polymeric emulsions, 9 parts of reinforcing fiber, 0.6 part of sial is water-fast structure modifier and 150 parts
Water；By above-mentioned parts by weight by cement, MgCl2.6H2O、Na2PO4, diminishing dispersant, FeSO4.7H2O, organic polymeric emulsions
Added with water in complex liquid preparation vessel, stirring makes after it is completely dissolved, and filtering is standby, then by the haydite of above-mentioned parts by weight, close
Structure modifier that hole perlite, reinforcing fiber, sial are water-fast is added in the complex liquid prepared, is stirred 30 minutes, forms slurry,
Standby cast is used, by the mould of preparation, curing molding, and demoulding, natural curing, produces described concrete acoustic board 5；
Foamed ceramics in the foamed ceramic panel 6 includes the material of following parts by weight：35 parts of ceramic material, 10 parts
Al2O3, 2 parts of Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant, surplus is water；The foamed ceramics is in system
The organic cavernous body for being 75% from open porosity when standby is presoma, and in temperature 50 C, concentration is 2.5mol/L alkali lye
Middle immersion 2 hours, takes out to clean and dries, by progress impurity elimination, the ceramic material and Al of dewater treatment2O3, 2 parts of Fe2O3, 1 part
MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 58%,
The ceramic slurry is subjected to mixing and ball milling 2 hours, 250 mesh sieves is crossed and ceramic slurry is made；Organic cavernous body after processing is immersed in
In the ceramic slurry, abundant midge is rubbed repeatedly, additional size is gone out with to roll row, obtain foamed ceramics base substrate, foam is made pottery
Porcelain base substrate is cool 4 hours at 28 DEG C, afterwards with infra-red drying, and control rate of drying is warming up to guarantor after 85 DEG C for 10 DEG C on an hourly basis
Temperature, the drying amount of contraction of base substrate should be less than 10%, then be loaded into heat-resisting die inframe, and total filling amount is the 1/ of mold capacity
2, the mould for having been loaded with idiosome is placed in roller kilns on roller rod and enters klining into controlling the firing temperature system to be：2h is equal by room temperature
900 DEG C are ramped up, then 1180 DEG C are ramped up by 900 DEG C in 4.5h, 1h is incubated；Room temperature is naturally cooled to, being then stripped to burn
Into product, described foamed ceramics is produced；
Aerosil and hollow glass micropearl are filled with described mineral wool composite, passes through phenolic resin
Aerosil and hollow glass micropearl and mineral wool are combined by binding agent, first with draw-off pump by silica
Airsetting glue solution and phenolic resin adhesive solution extraction stir into blending tank, followed by centrifugal blast legal system
Standby mineral wool, and sprinkling aerosil and phenolic resin adhesive mixed liquor and hollow glass are micro- during descending slowly and lightly
Pearl, then will descend slowly and lightly and is solidified in delivering into curing oven through conveyer belt into the mineral wool on lace curtaining, in high temperature, extruding condition
Under prepare described mineral wool composite；
The high-temperature agglomerant is waterglass or aluminium dihydrogen phosphate, and the particle diameter of the foaming agent is 400 mesh.
The specification of the hollow glass micropearl is：50 μm of diameter, apparent density 0.2g/cm3, the aerosil
Concentration with phenolic resin in phenolic resin adhesive mixed liquor is 8%；
The temperature of the solidification is 200 DEG C, mineral wool, aerosil in described mineral wool composite,
The weight ratio of hollow glass micropearl and phenolic resin adhesive is 10: 3: 2: 1.
The particle diameter of the closed perlite is that 1.2mm, the particle diameter of the haydite are 10mm.
The organic polymeric emulsions are the compositions of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1；Enhancing
Fiber is alkali containing glass fibre, disperses any of enhanced short PP fibers or its two kinds combination；Silicon-aluminum structure modifying agent is
One or both combination in bentonite, montmorillonite.
Can be set reinforcement or bar-mat reinforcement in the concrete acoustic board 5, the outer surface of the sound barrier can for arc or
Waveform.
Embodiment 2
With reference to Fig. 1 and 2, a kind of noise control acoustic barrier 10 of building structure, it includes：Fixation is set on basis 1, basis 1
Have and some acoustic barrier unit boards 3 are fixed between some columns 2, adjacent upright posts 2, the acoustic barrier unit board 3 includes two layers of aluminium
Thin fiber board 4, two layer concrete acoustic boards 5, two layers of foam ceramic wafer 6, cavity 7, collapsible abatvoix 8 and perimeter frame, institute
Two side external surfaces for stating acoustic barrier unit board 3 are aluminum fiber thin plate 4, and two layers of being internally provided with two layers for aluminum fiber thin plate 4 is mixed
Solidifying soil acoustic board 5, two layer concrete acoustic boards 5 are internally provided with two layers of foam ceramic wafer 6, two layers of foam ceramic wafer 6
Between be cavity 7, collapsible abatvoix 8 be mineral wool composite, it is arranged on cavity 7 in the form of being continuously folded to connect up and down
In, perimeter frame fixes two layers aluminum fiber thin plate 4, two layer concrete acoustic boards 5, two layers of foam ceramic wafer 6 successively from outside to inside；
Wherein
Concrete in the concrete acoustic board 5 includes the material of following parts by weight：300 parts of cement, 1 part of closed pore
Perlite, 5 parts of haydite, 39 parts of MgCl2.6H2O, 0.3 part of Na2PO4, 0.2 part diminishing dispersant, 1.0 parts
FeSO4.7H2O, 15 parts of organic polymeric emulsions, 11 parts of reinforcing fiber, 0.4 part of sial is water-fast structure modifier and 170
The water of part；By above-mentioned parts by weight by cement, MgCl2.6H2O、Na2PO4, diminishing dispersant, FeSO4.7H2O, organic polymer breast
Liquid and water are added in complex liquid preparation vessel, and stirring makes after it is completely dissolved, and filtering is standby, then by the haydite of above-mentioned parts by weight,
Structure modifier that closed perlite, reinforcing fiber, sial are water-fast is added in the complex liquid prepared, is stirred 20 minutes, forms slurry
Material, standby cast is used, by the mould of preparation, curing molding, and demoulding, natural curing, produces described concrete acoustic board 5；
Foamed ceramics in the foamed ceramic panel 6 includes the material of following parts by weight：35 parts of ceramic material, 10 parts
Al2O3, 2 parts of Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant, surplus is water；The foamed ceramics is in system
The organic cavernous body for being 80% from open porosity when standby is presoma, and in temperature 50 C, concentration is in 2mol/L alkali lye
Immersion 3 hours, takes out to clean and dries, by progress impurity elimination, the ceramic material and Al of dewater treatment2O3, 2 parts of Fe2O3, 1 part
MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 52%,
The ceramic slurry is subjected to mixing and ball milling 3 hours, 250 mesh sieves is crossed and ceramic slurry is made；Organic cavernous body after processing is immersed in
In the ceramic slurry, abundant midge is rubbed repeatedly, additional size is gone out with to roll row, obtain foamed ceramics base substrate, foam is made pottery
Porcelain base substrate is cool 5 hours at 22 DEG C, afterwards with infra-red drying, and control rate of drying is warming up to guarantor after 85 DEG C for 10 DEG C on an hourly basis
Temperature, the drying amount of contraction of base substrate should be less than 10%, then be loaded into heat-resisting die inframe, and total filling amount is the 1/ of mold capacity
3, the mould for having been loaded with idiosome is placed in roller kilns on roller rod and enters klining into controlling the firing temperature system to be：2.5h is by room temperature
900 DEG C are ramped up, then 1190 DEG C are ramped up by 900 DEG C in 3.5h, 0.5h is incubated；Room temperature is naturally cooled to, is then stripped
Burnt product is obtained, described foamed ceramics is produced；
Aerosil and hollow glass micropearl are filled with described mineral wool composite, passes through phenolic resin
Aerosil and hollow glass micropearl and mineral wool are combined by binding agent, first with draw-off pump by silica
Airsetting glue solution and phenolic resin adhesive solution extraction stir into blending tank, followed by centrifugal blast legal system
Standby mineral wool, and sprinkling aerosil and phenolic resin adhesive mixed liquor and hollow glass are micro- during descending slowly and lightly
Pearl, then will descend slowly and lightly and is solidified in delivering into curing oven through conveyer belt into the mineral wool on lace curtaining, in high temperature, extruding condition
Under prepare described mineral wool composite；
The high-temperature agglomerant is waterglass or aluminium dihydrogen phosphate, and the particle diameter of the foaming agent is 400 mesh.
The specification of the hollow glass micropearl is：50 μm of diameter, apparent density 0.2g/cm3, the aerosil
Concentration with phenolic resin in phenolic resin adhesive mixed liquor is 5%；
The temperature of the solidification is 220 DEG C, mineral wool, aerosil in described mineral wool composite,
The weight ratio of hollow glass micropearl and phenolic resin adhesive is 10: 3: 2: 1.
The particle diameter of the closed perlite is that 0.8mm, the particle diameter of the haydite are 10mm.
The organic polymeric emulsions are the compositions of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1；Enhancing
Fiber is alkali containing glass fibre, disperses any of enhanced short PP fibers or its two kinds combination；Silicon-aluminum structure modifying agent is
One or both combination in bentonite, montmorillonite.
Can be set reinforcement or bar-mat reinforcement in the concrete acoustic board 5, the outer surface of the sound barrier can for arc or
Waveform.
Perimeter frame in above-described embodiment is provided with " U " type groove steel, and it is connected by " U " type groove steel with column 2, so that
Some acoustic barrier unit boards 3 are fixed between column 2, the opening for being somebody's turn to do " U " type groove steel clasps column 2, then passes through fixture
Fixed with column 2.
Reference picture 3, the basis 1 of the noise control acoustic barrier 10 of building structure of the invention and the basis 12 of building structure 11
It is combined as a whole, therefore the noise control acoustic barrier 10 of the building structure belongs to the part of building structure 11, is widely used in
In urban architecture structure, such as residential building, one-storey house or office building considerably reduce the noise of traffic, such as road or railway 13
Influence to building structure, protects the health of people.
It is computed, the resonant frequency and natural resonance frequency of the noise control acoustic barrier of building structure of the invention compare
Prior art has a greater degree of improvement.
Through Security Checking, under maximum typhoon pressure service load (wind speed 34.8m/s, blast 758Pa) operating mode, sound barrier
Maximum defluxion meet maximum defluxion be less than L/100 technical requirements.(wind speed 48.6m/s, wind under 15 grades of blast ultimate loads
Pressure 1473Pa) failure phenomenon does not occur for the amount of deflection of sound barrier.Meet the requirement that road safety is used.
The sound barrier intensity of the present invention is high, indeformable, and water-tolerant, weathering resistance, service life are long, and sound absorption sound insulation value is excellent
It is different.The present invention sound barrier can large-scale plant it is prefabricated, construct it is convenient, prestressed slab structure integral rigidity is good, good endurance, energy
Effectively improve defening effect so that structural mechanical property and being optimal of noise reduction.The general structure of the present invention is simple, peace
Convenient disassembly is filled, the structure is connected firmly, good integrity, excellent noise reduction effect, strong by the extraneous crushing resistance such as wind-force.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of noise control acoustic barrier of building structure, it is characterised in that including：Basic (1), basic (1) if on be fixed with
Some acoustic barrier unit boards (3) are fixed between dry column (2), adjacent upright posts (2), the acoustic barrier unit board (3) includes two
Layer aluminum fiber thin plate (4), two layer concrete acoustic boards (5), two layers of foam ceramic wafer (6), cavity (7), collapsible abatvoix (8)
And perimeter frame, two side external surfaces of the acoustic barrier unit board (3) are aluminum fiber thin plate (4), two layers of aluminum fiber thin plate (4)
Be internally provided with two layer concrete acoustic boards (5), two layer concrete acoustic boards (5) are internally provided with two layers of foam ceramic wafer
(6), the centre of two layers of foam ceramic wafer (6) is cavity (7), and collapsible abatvoix (8) is mineral wool composite, and it is above and below
The form being continuously folded to connect is arranged in cavity (7), perimeter frame fix successively from outside to inside two layers aluminum fiber thin plate (4),
Two layer concrete acoustic boards (5), two layers of foam ceramic wafer (6)；Wherein
Concrete in the concrete acoustic board (5) includes the material of following parts by weight：200-300 parts of cement, 1-2 parts
Closed perlite, 2-5 parts of haydite, 39-42 parts of MgCl2.6H2O, 0.2-0.3 parts of Na2PO4, 0.2-0.3 parts of diminishing point
Powder, 0.8-1.0 parts of FeSO4.7H2O, 15-25 parts of organic polymeric emulsions, 9-11 parts of reinforcing fiber, 0.4-0.6 parts
The water-fast structure modifier of sial and 150-170 parts of water；By above-mentioned parts by weight by cement, MgCl2.6H2O、Na2PO4, diminishing
Dispersant, FeSO4.7H2O, organic polymeric emulsions and water are added in complex liquid preparation vessel, and stirring makes after it is completely dissolved, mistake
Filter, it is standby, then the haydite of above-mentioned parts by weight, closed perlite, reinforcing fiber, sial is water-fast structure modifier are added and prepared
In good complex liquid, stir 20-30 minutes, form slurry, standby cast is used, in the mould of preparation, curing molding, and demoulding,
Natural curing, produces described concrete acoustic board (5)；
Foamed ceramics in the foamed ceramic panel (6) includes the material of following parts by weight：35 parts of ceramic material, 10 parts
Al2O3, 2 parts of Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant, surplus is water；The foamed ceramics is in system
The organic cavernous body for being 75-80% from open porosity when standby is presoma, and in temperature 50 C, concentration is 2-2.5mol/L
Alkali lye in soak 2-3 hour, take out clean dries, by progress impurity elimination, dewater treatment ceramic material and Al2O3, 2 parts
Fe2O3, 1 part of MgO, 1 part of foaming agent and 1 part of high-temperature agglomerant add water according to the above ratio mixing, obtain moisture content for 52-
58% ceramic slurry, mixing and ball milling is carried out 2-3 hours by the ceramic slurry, crosses 250 mesh sieves and ceramic slurry is made；By having after processing
Machine cavernous body is immersed in the ceramic slurry, and abundant midge is rubbed repeatedly, additional size is gone out with to roll row, foamed ceramics is obtained
Base substrate, by foamed ceramics base substrate at 22-28 DEG C it is cool 4-5 hours, afterwards with infra-red drying, control rate of drying on an hourly basis 10
DEG C it is warming up to after 85 DEG C and is incubated, the drying amount of contraction of base substrate should be less than 10%, then be loaded into heat-resisting die inframe, total fill able
The 1/3-1/2 for mold capacity is measured, the mould for having been loaded with idiosome is placed in roller kilns on roller rod and enters klining into temperature is burnt till in control
Degree system is：2-2.5h is ramped up 900 DEG C by room temperature, then 1180-1190 DEG C, guarantor are ramped up by 900 DEG C in 3.5-4.5h
Warm 0.5-1h；Room temperature is naturally cooled to, burnt product is then stripped to obtain, described foamed ceramic panel is produced；
Aerosil and hollow glass micropearl are filled with described mineral wool composite, by phenolic resin bonded
Aerosil and hollow glass micropearl and mineral wool are combined by agent, first with draw-off pump by silica airsetting
Glue solution and phenolic resin adhesive solution extraction stir into blending tank, glass are prepared followed by centrifugal injection method
Glass cotton, and sprinkling aerosil and phenolic resin adhesive mixed liquor and hollow glass micropearl during descending slowly and lightly,
Then it will descend slowly and lightly and solidified in delivering into curing oven through conveyer belt into the mineral wool on lace curtaining, under high temperature, extruding condition
Prepare described mineral wool composite.
2. the noise control acoustic barrier of building structure according to claim 1, it is characterised in that the high-temperature agglomerant is
Waterglass or aluminium dihydrogen phosphate, the particle diameter of the foaming agent is 350-400 mesh.
3. the noise control acoustic barrier of building structure according to claim 2, it is characterised in that the hollow glass micropearl
Specification be：50-100 μm of diameter, apparent density 0.15-0.2g/cm3, the aerosil and phenolic resin bonded
The concentration of phenolic resin is 5%-8% in agent mixed liquor.
4. the noise control acoustic barrier of building structure according to claim 1, it is characterised in that the closed perlite
Particle diameter is that 0.8-1.2mm, the particle diameter of the haydite are 8-10mm.
5. the noise control acoustic barrier of building structure according to claim 1, it is characterised in that the organic polymer breast
Liquid is the composition of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1；Reinforcing fiber is alkali containing glass fibre, scattered increasing
Any of strong short PP fibers or its two kinds combination；Structure modifier that sial is water-fast is one in bentonite, montmorillonite
Plant or the two combination.
6. the noise control acoustic barrier of the building structure according to claim 1-5 any one, it is characterised in that described mixed
Reinforcement or bar-mat reinforcement are set in solidifying soil acoustic board (5), and the outer surface of the sound barrier is arc or waveform.
Priority Applications (1)
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| CN114044693B (en) * | 2021-12-02 | 2022-11-01 | 陕西汇丰高性能粉体材料有限公司 | Ceramsite concrete and preparation method thereof |
| CN115045212A (en) * | 2022-05-19 | 2022-09-13 | 安徽省新方尊自动化科技有限公司 | Movable sound barrier |
| CN116178028A (en) * | 2022-12-27 | 2023-05-30 | 四川双铁科技有限公司 | Foam ceramic material and combined micro-through hole foam ceramic plate for sound barrier |
| CN115784720A (en) * | 2022-12-27 | 2023-03-14 | 四川双铁科技有限公司 | Foamed ceramic, noise elimination device and processing method thereof |
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