CN105297646A - Noise prevention and sound insulation barrier for building structure - Google Patents
Noise prevention and sound insulation barrier for building structure Download PDFInfo
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- CN105297646A CN105297646A CN201510881496.2A CN201510881496A CN105297646A CN 105297646 A CN105297646 A CN 105297646A CN 201510881496 A CN201510881496 A CN 201510881496A CN 105297646 A CN105297646 A CN 105297646A
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Abstract
The invention relates to a noise prevention and sound insulation barrier for a building structure. The noise prevention and sound insulation barrier comprises a foundation. A plurality of stand columns are fixed to the foundation. A plurality of sound barrier unit boards are fixed between the adjacent stand columns. Each sound barrier unit board comprises two layers of aluminum fiber sheets, two layers of concrete sound absorption boards, two layers of foamed ceramic boards, a cavity, a foldable noise absorption board and a peripheral framework, wherein the aluminum fiber sheets are arranged on the outer surfaces of the two sides of the sound barrier unit board respectively, the two layers of concrete sound absorption boards are arranged in the two layers of aluminum fiber sheets, the two layers of foamed ceramic boards are arranged in the two layers of concrete sound absorption boards, the cavity is formed between the two layers of foamed ceramic boards, the foldable noise absorption board is made of glass wool and arranged in the cavity in a vertically and continuously folded and connected mode, and the two layers of aluminum fiber sheets, the two layers of concrete sound absorption boards and the two layers of foamed ceramic boards are sequentially fixed in the peripheral framework from outside to inside. Serving as a part of the building structure, the noise prevention and sound insulation barrier is simple in structure and low in manufacturing cost and achieves a very good sound absorption and insulation effect.
Description
Technical field
The invention belongs to pollution from environmental noise control field, particularly relate to the facility of the building structure noise abatement in city, be specifically related to a kind of noise control noise barrier of building structure.
Background technology
The control problem of noise is more and more subject to people's attention, ambient noise is directly connected to the quality of life of people, even there is material impact to the physiology of people and mental health, especially along with building structure in the modern life is more and more intensive, its from road and railway also more and more close to, the impact of noise on building structure on road and railway grows with each passing day.Sound barrier is the critical facility of track traffic, elevated road and speedway Noise measarement, and current sound barrier is normally arranged on the one or both sides of road or track circuit, can be divided into absorbing sound type and the large class of sound insulation type two.Wherein sound-absorbed barrier has higher sound absorption coefficient in the face of the side of sound source, and normally do not absorb sound back to the side of sound source; The two sides of sound insulation type sound barrier does not absorb sound.In order to reduce the noise of track traffic and road further, sometimes to need between the circuit of railway (comprising urban track traffic) sound barrier that between the track of (as above, downlink between) or road, setting height(from bottom) is larger, designing and producing of sound barrier also will meet many-sided requirements such as effect, life-span and environmental protection.
At present, sound barrier mainly contains the kinds such as sawdust board, concrete slab, metal sheet, pearlite slab, glass epoxy.Wherein, concrete slab manufacture is simple, and cost is lower, is used widely.But also there are the following problems in the plate property aspect of sound barrier:
1. absorb sound, sound insulation property is not good.
2. cement based sound barrier panel produces and returns halogen, scum.
3. intensity is low, yielding.
4. poor water resistance.
5. weather resistance poor performance, application life is short.
Accordingly, can find that sound barrier is selected at material of main part, the optimization of Design of Mechanical Structure, acoustic construction, the screening of sound absorption material and all many-sides such as mounting structure and construction method all need a lot of raising and room for improvement.
Summary of the invention
For solving the problem, the invention provides a kind of noise control noise barrier of building structure, it can combine with the basis of building structure, belongs to a part for building structure, for stoping the impact of noise on building structure of traffic.This noise barrier structure is simple, maintenance is convenient, low cost of manufacture; It adopts multiple sound absorption material and structure to carry out acting in conjunction simultaneously, achieves extraordinary sound absorption effect.
The present invention is for solving the problems of the technologies described above the noise control noise barrier that adopted technical scheme is a kind of building structure, it comprises: basis 1, basis 1 is fixed with some columns 2, some acoustic barrier unit boards 3 are fixed with between adjacent upright posts 2, this acoustic barrier unit board 3 comprises two-layer aluminum fiber thin plate 4, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, cavity 7, collapsible abatvoix 8 and perimeter frame, two side external surfaces of described acoustic barrier unit board 3 are aluminum fiber thin plate 4, the inside of two-layer aluminum fiber thin plate 4 is provided with two layer concrete acoustical boards 5, the inside of two layer concrete acoustical boards 5 is provided with two layers of foam ceramic wafer 6, the centre of two layers of foam ceramic wafer 6 is cavity 7, collapsible abatvoix 8 is glass wool composite material, it is arranged in cavity 7 with the form be folded to connect continuously up and down, perimeter frame fixes two-layer aluminum fiber thin plate 4 from outside to inside successively, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, wherein
Concrete in described concrete acoustical board 5 comprises the material of following weight portion: the cement of 200-300 part, the closed perlite of 1-2 part, the haydite of 2-5 part, the MgCl of 39-42 part
2.6H
2the Na of O, 0.2-0.3 part
2pO
4, the diminishing dispersing agent of 0.2-0.3 part, the FeSO of 0.8-1.0 part
4.7H
2the water-fast structure modifier of sial of the organic polymeric emulsions of O, 15-25 part, the fortifying fibre of 9-11 part, 0.4-0.6 part and the water of 150-170 part; By above-mentioned weight portion by cement, MgCl
2.6H
2o, Na
2pO
4, diminishing dispersing agent, FeSO
4.7H
2o, organic polymeric emulsions and water add in complex liquid preparation vessel, after stirring makes it dissolve completely, filter, for subsequent use, then by the haydite of above-mentioned weight portion, closed perlite, fortifying fibre, sial is water-fast, and structure modifier adds in the complex liquid prepared, stir 20-30 minute, form slurry, standby cast is used, by in the mould of preparation, curing molding, and demoulding, natural curing, obtain described concrete acoustical board 5;
Foamed ceramics in described foamed ceramic panel 6 comprises the material of following weight portion: the ceramic material of 35 parts, the Al of 10 parts
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part, surplus is water, it is presoma that this foamed ceramics selects open porosity to be organic cavernous body of 75-80% in the preparation, and when temperature 50 C, concentration is soak 2-3 hour in the alkali lye of 2-2.5mol/L, takes out to clean and dries, and will carry out impurity elimination, the ceramic material of processed and Al
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 52-58%, this ceramic slurry carried out mixing and ball milling 2-3 hour, cross 250 mesh sieves and obtain ceramic size, organic cavernous body after process is immersed in described ceramic size, repeatedly rub abundant midge, additional size is discharged with pair roller, obtain foamed ceramics base substrate, by foamed ceramics base substrate cool 4-5 hour at 22-28 DEG C, use infra-red drying afterwards, control to be incubated after rate of drying is warming up to 85 DEG C by 10 DEG C per hour, the dry amount of contraction of base substrate should be less than 10%, then loaded in heat-resisting die frame, total filling amount is the 1/3-1/2 of mold capacity, the mould that idiosome is housed is placed in roller kilns and roller rod enters klining, controlling firing temperature system is: 2-2.5h evenly rises to 900 DEG C by room temperature, evenly 1180-1190 DEG C is risen to by 900 DEG C again at 3.5-4.5h, insulation 0.5-1h, naturally cool to room temperature, then the demoulding obtains burnt product, obtains described foamed ceramics,
Aerosil and hollow glass micropearl is filled with in described glass wool composite material, by phenolic resin adhesive, aerosil and hollow glass micropearl and glass wool are carried out compound, first draw-off pump is utilized by the aerosil aqueous solution and phenolic resin adhesive solution extraction in blending tank, stir, then centrifugal injection method is utilized to prepare glass wool, and in the process of descending slowly and lightly, spray aerosil and phenolic resin adhesive mixed liquor and hollow glass micropearl, then be cured descending slowly and lightly in becoming the glass wool on lace curtaining to enter curing oven through tape transport, at high temperature, described glass wool composite material is prepared under extruding condition,
Preferably, described high-temperature agglomerant is water glass or aluminium dihydrogen phosphate, and the particle diameter of described blowing agent is 350-400 order.
In above-mentioned either a program preferably, the specification of described hollow glass micropearl is: diameter 50-100 μm, apparent density 0.15-0.2g/cm
3, in described aerosil and phenolic resin adhesive mixed liquor, the concentration of phenolic resins is 5-8%;
In above-mentioned either a program preferably, the temperature of described solidification is 200-220 DEG C, and the weight ratio of glass wool, aerosil, hollow glass micropearl and phenolic resin adhesive in described glass wool composite material is 10: 3: 2: 1.
In above-mentioned either a program preferably, the particle diameter of described closed perlite is 0.8-1.2mm, the particle diameter of described haydite is 8-10mm.
In above-mentioned either a program preferably, described organic polymeric emulsions is the composition of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1; Any one or its combination of two kinds in the short PP fiber that fortifying fibre is alkali containing glass fibre, dispersion strengthens; Silicon-aluminum structure modifier is the one or both combination in swell soil, montmorillonite.
In above-mentioned either a program preferably, can arrange reinforcing rib or steel mesh reinforcement in described concrete acoustical board 5, the external surface of described sound barrier can be arc or waveform.
Beneficial effect of the present invention:
1. sound barrier intensity of the present invention is high, indeformable, water-tolerant, weather resistance, long service life, and sound absorption sound insulation value is excellent.
2. sound barrier of the present invention can large-scale plant prefabricated, construct convenient, prestressed slab structural entity good rigidity, good endurance, effectively can improve defening effect, makes structural mechanical property and noise reduction reach optimization.
3. general structure of the present invention is simple, easy installation and removal, this anatomical connectivity firmly, good integrity, excellent noise reduction effect, strong by the extraneous crushing resistance as wind-force.
4. the basis of sound barrier of the present invention and the basis of building structure main body combine; belong to a part for building structure, be widely used in urban architecture structure, as residential building, one-storey house or office premises etc.; considerably reduce the impact of traffic noise on building structure, protect the health of people.
Brief Description Of Drawings
Fig. 1 is the front elevation view of the noise control noise barrier according to building structure of the present invention;
Fig. 2 is according to the structural representation of acoustic barrier unit board of the present invention;
Fig. 3 is the overall schematic of noise control noise barrier when applying according to building structure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the invention will be further described.
Embodiment 1
See Fig. 1 and 2, a kind of noise control noise barrier 10 of building structure, it comprises: basis 1, basis 1 is fixed with some columns 2, some acoustic barrier unit boards 3 are fixed with between adjacent upright posts 2, this acoustic barrier unit board 3 comprises two-layer aluminum fiber thin plate 4, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, cavity 7, collapsible abatvoix 8 and perimeter frame, two side external surfaces of described acoustic barrier unit board 3 are aluminum fiber thin plate 4, the inside of two-layer aluminum fiber thin plate 4 is provided with two layer concrete acoustical boards 5, the inside of two layer concrete acoustical boards 5 is provided with two layers of foam ceramic wafer 6, the centre of two layers of foam ceramic wafer 6 is cavity 7, collapsible abatvoix 8 is glass wool composite material, it is arranged in cavity 7 with the form be folded to connect continuously up and down, perimeter frame fixes two-layer aluminum fiber thin plate 4 from outside to inside successively, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, wherein
Concrete in described concrete acoustical board 5 comprises the material of following weight portion: the cement of 200 parts, the closed perlite of 2 parts, the haydite of 2 parts, the MgCl of 42 parts
2.6H
2o, the Na of 0.2 part
2pO
4, the diminishing dispersing agent of 0.3 part, the FeSO of 0.8 part
4.7H
2the water of O, the organic polymeric emulsions of 25 parts, the fortifying fibre of 9 parts, the water-fast structure modifier of sial of 0.6 part and 150 parts; By above-mentioned weight portion by cement, MgCl
2.6H
2o, Na
2pO
4, diminishing dispersing agent, FeSO
4.7H
2o, organic polymeric emulsions and water add in complex liquid preparation vessel, after stirring makes it dissolve completely, filter, for subsequent use, then by the haydite of above-mentioned weight portion, closed perlite, fortifying fibre, sial is water-fast, and structure modifier adds in the complex liquid prepared, stir 30 minutes, form slurry, standby cast is used, by in the mould of preparation, curing molding, and demoulding, natural curing, obtain described concrete acoustical board 5;
Foamed ceramics in described foamed ceramic panel 6 comprises the material of following weight portion: the ceramic material of 35 parts, the Al of 10 parts
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part, surplus is water, this foamed ceramics select in the preparation open porosity be 75% organic cavernous body be presoma, when temperature 50 C, concentration is soak 2 hours in the alkali lye of 2.5mol/L, takes out to clean and dries, and will carry out impurity elimination, the ceramic material of processed and Al
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 58%, this ceramic slurry carried out mixing and ball milling 2 hours, cross 250 mesh sieves and obtain ceramic size, organic cavernous body after process is immersed in described ceramic size, repeatedly rub abundant midge, additional size is discharged with pair roller, obtain foamed ceramics base substrate, by foamed ceramics base substrate at 28 DEG C cool 4 hours, use infra-red drying afterwards, control to be incubated after rate of drying is warming up to 85 DEG C by 10 DEG C per hour, the dry amount of contraction of base substrate should be less than 10%, then loaded in heat-resisting die frame, total filling amount is 1/2 of mold capacity, the mould that idiosome is housed is placed in roller kilns and roller rod enters klining, controlling firing temperature system is: 2h evenly rises to 900 DEG C by room temperature, 1180 DEG C are evenly risen to by 900 DEG C again at 4.5h, insulation 1h, naturally cool to room temperature, then the demoulding obtains burnt product, obtains described foamed ceramics,
Aerosil and hollow glass micropearl is filled with in described glass wool composite material, by phenolic resin adhesive, aerosil and hollow glass micropearl and glass wool are carried out compound, first draw-off pump is utilized by the aerosil aqueous solution and phenolic resin adhesive solution extraction in blending tank, stir, then centrifugal injection method is utilized to prepare glass wool, and in the process of descending slowly and lightly, spray aerosil and phenolic resin adhesive mixed liquor and hollow glass micropearl, then be cured descending slowly and lightly in becoming the glass wool on lace curtaining to enter curing oven through tape transport, at high temperature, described glass wool composite material is prepared under extruding condition,
Described high-temperature agglomerant is water glass or aluminium dihydrogen phosphate, and the particle diameter of described blowing agent is 400 orders.
The specification of described hollow glass micropearl is: diameter 50 μm, apparent density 0.2g/cm
3, in described aerosil and phenolic resin adhesive mixed liquor, the concentration of phenolic resins is 8%;
The temperature of described solidification is 200 DEG C, and the weight ratio of glass wool, aerosil, hollow glass micropearl and phenolic resin adhesive in described glass wool composite material is 10: 3: 2: 1.
The particle diameter of described closed perlite is 1.2mm, the particle diameter of described haydite is 10mm.
Described organic polymeric emulsions is the composition of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1; Any one or its combination of two kinds in the short PP fiber that fortifying fibre is alkali containing glass fibre, dispersion strengthens; Silicon-aluminum structure modifier is the one or both combination in swell soil, montmorillonite.
Can arrange reinforcing rib or steel mesh reinforcement in described concrete acoustical board 5, the external surface of described sound barrier can be arc or waveform.
Embodiment 2
With reference to Fig. 1 and 2, a kind of noise control noise barrier 10 of building structure, it comprises: basis 1, basis 1 is fixed with some columns 2, some acoustic barrier unit boards 3 are fixed with between adjacent upright posts 2, this acoustic barrier unit board 3 comprises two-layer aluminum fiber thin plate 4, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, cavity 7, collapsible abatvoix 8 and perimeter frame, two side external surfaces of described acoustic barrier unit board 3 are aluminum fiber thin plate 4, the inside of two-layer aluminum fiber thin plate 4 is provided with two layer concrete acoustical boards 5, the inside of two layer concrete acoustical boards 5 is provided with two layers of foam ceramic wafer 6, the centre of two layers of foam ceramic wafer 6 is cavity 7, collapsible abatvoix 8 is glass wool composite material, it is arranged in cavity 7 with the form be folded to connect continuously up and down, perimeter frame fixes two-layer aluminum fiber thin plate 4 from outside to inside successively, two layer concrete acoustical boards 5, two layers of foam ceramic wafer 6, wherein
Concrete in described concrete acoustical board 5 comprises the material of following weight portion: the cement of 300 parts, the closed perlite of 1 part, the haydite of 5 parts, the MgCl of 39 parts
2.6H
2o, the Na of 0.3 part
2pO
4, the diminishing dispersing agent of 0.2 part, the FeSO of 1.0 parts
4.7H
2the water of O, the organic polymeric emulsions of 15 parts, the fortifying fibre of 11 parts, the water-fast structure modifier of sial of 0.4 part and 170 parts; By above-mentioned weight portion by cement, MgCl
2.6H
2o, Na
2pO
4, diminishing dispersing agent, FeSO
4.7H
2o, organic polymeric emulsions and water add in complex liquid preparation vessel, after stirring makes it dissolve completely, filter, for subsequent use, then by the haydite of above-mentioned weight portion, closed perlite, fortifying fibre, sial is water-fast, and structure modifier adds in the complex liquid prepared, stir 20 minutes, form slurry, standby cast is used, by in the mould of preparation, curing molding, and demoulding, natural curing, obtain described concrete acoustical board 5;
Foamed ceramics in described foamed ceramic panel 6 comprises the material of following weight portion: the ceramic material of 35 parts, the Al of 10 parts
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part, surplus is water, this foamed ceramics select in the preparation open porosity be 80% organic cavernous body be presoma, when temperature 50 C, concentration is soak 3 hours in the alkali lye of 2mol/L, takes out to clean and dries, and will carry out impurity elimination, the ceramic material of processed and Al
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 52%, this ceramic slurry carried out mixing and ball milling 3 hours, cross 250 mesh sieves and obtain ceramic size, organic cavernous body after process is immersed in described ceramic size, repeatedly rub abundant midge, additional size is discharged with pair roller, obtain foamed ceramics base substrate, by foamed ceramics base substrate at 22 DEG C cool 5 hours, use infra-red drying afterwards, control to be incubated after rate of drying is warming up to 85 DEG C by 10 DEG C per hour, the dry amount of contraction of base substrate should be less than 10%, then loaded in heat-resisting die frame, total filling amount is 1/3 of mold capacity, the mould that idiosome is housed is placed in roller kilns and roller rod enters klining, controlling firing temperature system is: 2.5h evenly rises to 900 DEG C by room temperature, 1190 DEG C are evenly risen to by 900 DEG C again at 3.5h, insulation 0.5h, naturally cool to room temperature, then the demoulding obtains burnt product, obtains described foamed ceramics,
Aerosil and hollow glass micropearl is filled with in described glass wool composite material, by phenolic resin adhesive, aerosil and hollow glass micropearl and glass wool are carried out compound, first draw-off pump is utilized by the aerosil aqueous solution and phenolic resin adhesive solution extraction in blending tank, stir, then centrifugal injection method is utilized to prepare glass wool, and in the process of descending slowly and lightly, spray aerosil and phenolic resin adhesive mixed liquor and hollow glass micropearl, then be cured descending slowly and lightly in becoming the glass wool on lace curtaining to enter curing oven through tape transport, at high temperature, described glass wool composite material is prepared under extruding condition,
Described high-temperature agglomerant is water glass or aluminium dihydrogen phosphate, and the particle diameter of described blowing agent is 400 orders.
The specification of described hollow glass micropearl is: diameter 50 μm, apparent density 0.2g/cm
3, in described aerosil and phenolic resin adhesive mixed liquor, the concentration of phenolic resins is 5%;
The temperature of described solidification is 220 DEG C, and the weight ratio of glass wool, aerosil, hollow glass micropearl and phenolic resin adhesive in described glass wool composite material is 10: 3: 2: 1.
The particle diameter of described closed perlite is 0.8mm, the particle diameter of described haydite is 10mm.
Described organic polymeric emulsions is the composition of polyacrylate dispersion and polyurethane, and its weight ratio is 1: 1; Any one or its combination of two kinds in the short PP fiber that fortifying fibre is alkali containing glass fibre, dispersion strengthens; Silicon-aluminum structure modifier is the one or both combination in swell soil, montmorillonite.
Can arrange reinforcing rib or steel mesh reinforcement in described concrete acoustical board 5, the external surface of described sound barrier can be arc or waveform.
Perimeter frame in above-described embodiment is provided with " U " type channel-section steel, it is connected with column 2 by " U " type channel-section steel, thus some acoustic barrier unit boards 3 are fixed between column 2, the opening being somebody's turn to do " U " type channel-section steel fastens column 2, is then fixed by fixture and column 2.
With reference to Fig. 3; the basis 1 of the noise control noise barrier 10 of building structure of the present invention is combined as a whole with the basis 12 of building structure 11; therefore the noise control noise barrier 10 of this building structure belongs to a part for building structure 11; be widely used in urban architecture structure; as residential building, one-storey house or office premises etc.; considerably reduce traffic, if the noise of road or railway 13 is on the impact of building structure, protect the health of people.
As calculated, the resonance frequency of the noise control noise barrier of building structure of the present invention and natural resonance frequency all have a greater degree of improvement than prior art.
Through Security Checking, under maximum typhoon pressure service load (wind speed 34.8m/s, blast 758Pa) operating mode, the maximum defluxion of sound barrier meets the technical requirements that maximum defluxion is less than L/100.There is not failure phenomenon in the amount of deflection of (wind speed 48.6m/s, blast 1473Pa) sound barrier under 15 grades of blast ultimate loads.Meet the requirement that road safety uses.
Sound barrier intensity of the present invention is high, indeformable, water-tolerant, weather resistance, long service life, and sound absorption sound insulation value is excellent.Sound barrier of the present invention can large-scale plant prefabricated, construct convenient, prestressed slab structural entity good rigidity, good endurance, effectively can improve defening effect, makes structural mechanical property and noise reduction reach optimization.General structure of the present invention is simple, easy installation and removal, this anatomical connectivity firmly, good integrity, excellent noise reduction effect, strong by the extraneous crushing resistance as wind-force.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. the noise control noise barrier of a building structure, it is characterized in that comprising: basis (1), basis (1) is fixed with some columns (2), some acoustic barrier unit boards (3) are fixed with between adjacent upright posts (2), this acoustic barrier unit board (3) comprises two-layer aluminum fiber thin plate (4), two layer concrete acoustical boards (5), two layers of foam ceramic wafer (6), cavity (7), collapsible abatvoix (8) and perimeter frame, two side external surfaces of described acoustic barrier unit board (3) are aluminum fiber thin plate (4), the inside of two-layer aluminum fiber thin plate (4) is provided with two layer concrete acoustical boards (5), the inside of two layer concrete acoustical boards (5) is provided with two layers of foam ceramic wafer (6), the centre of two layers of foam ceramic wafer (6) is cavity (7), collapsible abatvoix (8) is glass wool composite material, it is arranged in cavity (7) with the form be folded to connect continuously up and down, perimeter frame fixes two-layer aluminum fiber thin plate (4) from outside to inside successively, two layer concrete acoustical boards (5), two layers of foam ceramic wafer (6), wherein
Concrete in described concrete acoustical board (5) comprises the material of following weight portion: the cement of 200-300 part, the closed perlite of 1-2 part, the haydite of 2-5 part, the MgCl of 39-42 part
2.6H
2the Na of O, 0.2-0.3 part
2pO
4, the diminishing dispersing agent of 0.2-0.3 part, the FeSO of 0.8-1.0 part
4.7H
2the water-fast structure modifier of sial of the organic polymeric emulsions of O, 15-25 part, the fortifying fibre of 9-11 part, 0.4-0.6 part and the water of 150-170 part; By above-mentioned weight portion by cement, MgCl
2.6H
2o, Na
2pO
4, diminishing dispersing agent, FeSO
4.7H
2o, organic polymeric emulsions and water add in complex liquid preparation vessel, after stirring makes it dissolve completely, filter, for subsequent use, then by the haydite of above-mentioned weight portion, closed perlite, fortifying fibre, sial is water-fast, and structure modifier adds in the complex liquid prepared, stir 20-30 minute, form slurry, standby cast is used, by in the mould of preparation, curing molding, and demoulding, natural curing, obtain described concrete acoustical board (5);
Foamed ceramics in described foamed ceramic panel (6) comprises the material of following weight portion: the ceramic material of 35 parts, the Al of 10 parts
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part, surplus is water, it is presoma that this foamed ceramics selects open porosity to be organic cavernous body of 75-80% in the preparation, and when temperature 50 C, concentration is soak 2-3 hour in the alkali lye of 2-2.5mol/L, takes out to clean and dries, and will carry out impurity elimination, the ceramic material of processed and Al
2o
3, the Fe of 2 parts
2o
3, MgO, the blowing agent of 1 part and the high-temperature agglomerant of 1 part of 1 part add water mixing according to the above ratio, obtain the ceramic slurry that moisture content is 52-58%, this ceramic slurry carried out mixing and ball milling 2-3 hour, cross 250 mesh sieves and obtain ceramic size, organic cavernous body after process is immersed in described ceramic size, repeatedly rub abundant midge, additional size is discharged with pair roller, obtain foamed ceramics base substrate, by foamed ceramics base substrate cool 4-5 hour at 22-28 DEG C, use infra-red drying afterwards, control to be incubated after rate of drying is warming up to 85 DEG C by 10 DEG C per hour, the dry amount of contraction of base substrate should be less than 10%, then loaded in heat-resisting die frame, total filling amount is the 1/3-1/2 of mold capacity, the mould that idiosome is housed is placed in roller kilns and roller rod enters klining, controlling firing temperature system is: 2-2.5h evenly rises to 900 DEG C by room temperature, evenly 1180-1190 DEG C is risen to by 900 DEG C again at 3.5-4.5h, insulation 0.5-1h, naturally cool to room temperature, then the demoulding obtains burnt product, obtains described foamed ceramics,
Aerosil and hollow glass micropearl is filled with in described glass wool composite material, by phenolic resin adhesive, aerosil and hollow glass micropearl and glass wool are carried out compound, first draw-off pump is utilized by the aerosil aqueous solution and phenolic resin adhesive solution extraction in blending tank, stir, then centrifugal injection method is utilized to prepare glass wool, and in the process of descending slowly and lightly, spray aerosil and phenolic resin adhesive mixed liquor and hollow glass micropearl, then be cured descending slowly and lightly in becoming the glass wool on lace curtaining to enter curing oven through tape transport, at high temperature, described glass wool composite material is prepared under extruding condition.
2. the noise control noise barrier of building structure according to claim 1, is characterized in that described high-temperature agglomerant is water glass or aluminium dihydrogen phosphate, and the particle diameter of described blowing agent is 350-400 order.
3. the noise control noise barrier of building structure according to claim 1 and 2, is characterized in that the specification of described hollow glass micropearl is: diameter 50-100 μm, apparent density 0.15-0.2g/cm
3, in described aerosil and phenolic resin adhesive mixed liquor, the concentration of phenolic resins is 5-8%.
4. the noise control noise barrier of the building structure according to claim 1-3, it is characterized in that the temperature of described solidification is 200-220 DEG C, the weight ratio of glass wool, aerosil, hollow glass micropearl and phenolic resin adhesive in described glass wool composite material is 10: 3: 2: 1.
5. the noise control noise barrier of the building structure according to claim 1-4, is characterized in that the particle diameter of described closed perlite is 0.8-1.2mm, the particle diameter of described haydite is 8-10mm.
6. the noise control noise barrier of the building structure according to claim 1-5, it is characterized in that described organic polymeric emulsions is the composition of polyacrylate dispersion and polyurethane, its weight ratio is 1: 1; Any one or its combination of two kinds in the short PP fiber that fortifying fibre is alkali containing glass fibre, dispersion strengthens; Silicon-aluminum structure modifier is the one or both combination in swell soil, montmorillonite.
7. the noise control noise barrier of the building structure according to claim 1-6, it is characterized in that can arranging reinforcing rib or steel mesh reinforcement in described concrete acoustical board (5), the external surface of described sound barrier can be arc or waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881496.2A CN105297646B (en) | 2015-12-07 | 2015-12-07 | A kind of noise control acoustic barrier of building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881496.2A CN105297646B (en) | 2015-12-07 | 2015-12-07 | A kind of noise control acoustic barrier of building structure |
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| Publication Number | Publication Date |
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| CN105297646A true CN105297646A (en) | 2016-02-03 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803965A (en) * | 2016-04-28 | 2016-07-27 | 中国铁道科学研究院 | Wideband sound absorption unit plate |
| CN107492369A (en) * | 2017-09-21 | 2017-12-19 | 北京天润康隆科技股份有限公司 | A kind of micropore rock beam series silencer |
| CN108277751A (en) * | 2018-04-10 | 2018-07-13 | 上海言诺建筑材料有限公司 | Barrier structure and barrier moulding process |
| CN108678210A (en) * | 2018-06-25 | 2018-10-19 | 中集绿建环保科技有限公司 | A kind of interior gobo |
| CN109320140A (en) * | 2018-09-13 | 2019-02-12 | 江苏新光环保工程有限公司 | A kind of microporous rock absorption sound board and preparation method thereof |
| CN110354719A (en) * | 2019-07-24 | 2019-10-22 | 萍乡市华星环保工程技术有限公司 | A kind of noise reducing type sulphur foam tank for desulfurization acid-making process |
| CN111287103A (en) * | 2020-02-24 | 2020-06-16 | 华北水利水电大学 | Sound insulation wall for urban planning expressway |
| CN112010609A (en) * | 2020-08-24 | 2020-12-01 | 扬州工业职业技术学院 | Inorganic building sound absorption material and preparation method thereof |
| AT522682B1 (en) * | 2019-10-11 | 2021-01-15 | Kirchdorfer Fertigteilholding Gmbh | HUMP CONCRETE FOR A SOUND PROTECTION COMPONENT |
| CN113956068A (en) * | 2021-09-26 | 2022-01-21 | 江苏华之杰环境科技有限公司 | Combined type micro-through hole foam ceramic plate for sound barrier and preparation method thereof |
| CN114044693A (en) * | 2021-12-02 | 2022-02-15 | 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 |
| 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 |
| 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 |
| CN117087259A (en) * | 2023-08-21 | 2023-11-21 | 江苏科技大学 | Mail wheel shutter with heat preservation and noise reduction functions |
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| CN1209486A (en) * | 1997-08-25 | 1999-03-03 | 株式会社国际外交研究所 | Large-plate prefabricated member for sound-insualtion wall |
| CN1644802A (en) * | 2005-01-20 | 2005-07-27 | 上海交通大学 | Double-face sound-absorbing contacting oral cavity sound shield without cotton |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105803965A (en) * | 2016-04-28 | 2016-07-27 | 中国铁道科学研究院 | Wideband sound absorption unit plate |
| CN105803965B (en) * | 2016-04-28 | 2018-04-10 | 中国铁道科学研究院 | A kind of broadband sound absorption cell board |
| CN107492369A (en) * | 2017-09-21 | 2017-12-19 | 北京天润康隆科技股份有限公司 | A kind of micropore rock beam series silencer |
| CN108277751A (en) * | 2018-04-10 | 2018-07-13 | 上海言诺建筑材料有限公司 | Barrier structure and barrier moulding process |
| CN108678210A (en) * | 2018-06-25 | 2018-10-19 | 中集绿建环保科技有限公司 | A kind of interior gobo |
| CN109320140A (en) * | 2018-09-13 | 2019-02-12 | 江苏新光环保工程有限公司 | A kind of microporous rock absorption sound board and preparation method thereof |
| CN110354719A (en) * | 2019-07-24 | 2019-10-22 | 萍乡市华星环保工程技术有限公司 | A kind of noise reducing type sulphur foam tank for desulfurization acid-making process |
| AT522682A4 (en) * | 2019-10-11 | 2021-01-15 | Kirchdorfer Fertigteilholding Gmbh | HUMP CONCRETE FOR A SOUND PROTECTION COMPONENT |
| AT522682B1 (en) * | 2019-10-11 | 2021-01-15 | Kirchdorfer Fertigteilholding Gmbh | HUMP CONCRETE FOR A SOUND PROTECTION COMPONENT |
| CN111287103A (en) * | 2020-02-24 | 2020-06-16 | 华北水利水电大学 | Sound insulation wall for urban planning expressway |
| CN111287103B (en) * | 2020-02-24 | 2021-09-14 | 华北水利水电大学 | Sound insulation wall for urban planning expressway |
| CN112010609B (en) * | 2020-08-24 | 2022-01-28 | 扬州工业职业技术学院 | Inorganic building sound absorption material and preparation method thereof |
| CN112010609A (en) * | 2020-08-24 | 2020-12-01 | 扬州工业职业技术学院 | Inorganic building sound absorption material and preparation method thereof |
| CN113956068B (en) * | 2021-09-26 | 2022-11-29 | 江苏华之杰环境科技有限公司 | Combined type micro-through hole foam ceramic plate for sound barrier and preparation method thereof |
| CN113956068A (en) * | 2021-09-26 | 2022-01-21 | 江苏华之杰环境科技有限公司 | Combined type micro-through hole foam ceramic plate for sound barrier and preparation method thereof |
| CN114044693A (en) * | 2021-12-02 | 2022-02-15 | 陕西汇丰高性能粉体材料有限公司 | Ceramsite concrete and preparation method thereof |
| 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 |
| 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 |
| 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 |
| CN117087259A (en) * | 2023-08-21 | 2023-11-21 | 江苏科技大学 | Mail wheel shutter with heat preservation and noise reduction functions |
| CN117087259B (en) * | 2023-08-21 | 2024-04-19 | 江苏科技大学 | Mail wheel shutter with heat preservation and noise reduction functions |
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