CN113461394A - Sound insulation material, preparation method thereof and structure of assembled steel structure cross member - Google Patents
Sound insulation material, preparation method thereof and structure of assembled steel structure cross member Download PDFInfo
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- CN113461394A CN113461394A CN202110909833.XA CN202110909833A CN113461394A CN 113461394 A CN113461394 A CN 113461394A CN 202110909833 A CN202110909833 A CN 202110909833A CN 113461394 A CN113461394 A CN 113461394A
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- 239000012774 insulation material Substances 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000002910 solid waste Substances 0.000 claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 13
- 239000002861 polymer material Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 239000004088 foaming agent Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
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- 239000000843 powder Substances 0.000 claims description 3
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- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 235000012255 calcium oxide Nutrition 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- 239000010881 fly ash Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 24
- 238000011161 development Methods 0.000 abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006386 neutralization reaction Methods 0.000 abstract description 3
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- 239000003245 coal Substances 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Images
Classifications
-
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
Abstract
The application relates to the technical field of buildings, and particularly discloses a sound insulation material, a preparation method thereof and a structure of an assembled steel structure transverse member, wherein the sound insulation material comprises the following components, by mass, 200 parts of a cementing material, 650 parts of industrial solid waste 550-. The sound insulation material uses industrial solid waste, governs environmental pollution, protects the environment, saves energy, improves the indoor environment and the living quality of people in buildings, and reduces noise pollution. The sound insulation material can be used for transverse members of the assembly type building steel structure, the formed sound insulation material is manufactured into a finished product and then is placed into the transverse members, so that the technical problem of poor sound insulation effect of the transverse members is solved, the rapid development of the assembly type building is certainly promoted, the industrialization level of the modern building is improved, and the development of circular economy is promoted; and make due contribution to the strategic goals of carbon peaking and carbon neutralization.
Description
Technical Field
The application relates to the technical field of buildings, in particular to a sound insulation material, a preparation method thereof and a structure of a fabricated steel structure transverse member.
Background
Sound insulation Materials (soundof Materials) refer to a material, member or structure that insulates, cuts off, or separates noise propagating in the air. For sound insulation materials, to weaken transmitted sound energy and block sound transmission, it is impossible to make the materials porous, porous and air-permeable as sound absorption materials, but the materials should be heavy and dense, such as steel plates, lead plates, brick walls, and the like. The sound insulation material is required to be compact and have no pores or gaps; has a large weight. The sound insulation material is compact, difficult to absorb and transmit sound energy and strong in reflection energy, so that the sound insulation material is poor in sound absorption performance.
At present, the sound insulation materials at home and abroad mainly comprise: metal plate sound insulation, metal foam sound insulation, composite material sound insulation, and polymer composite material sound insulation. The sound insulation materials are all in accordance with the honored sound insulation quality law, namely the sound insulation performance is achieved by increasing the surface density of the materials, and the materials have heavy mass and are inconvenient to install and construct, so that the materials have certain limitation when being used in the field with weight reduction; in addition, the materials can completely insulate sound through higher surface density, and the sound insulation performance can be achieved only by carrying out simple reflection on sound waves. Therefore, the air sound insulation material has more researchers and results, but the research on impact sound insulation and air sound insulation combined sound insulation is not reported yet. With the technical progress of the assembly type steel structure, the assembly type steel structure building is rapidly developed, particularly in recent years, the assembly type steel structure residential building is rapidly developed, the assembly type steel structure building is more and more prominent in impact sound insulation, and the indoor sound insulation and noise reduction problems of the assembly type steel structure building are urgently needed to be solved.
Disclosure of Invention
The present application provides a soundproof material, a method of preparing the same, and a construction of an assembled steel structural cross member to solve the aforementioned problems.
In a first aspect, the application provides a sound insulation material, which comprises the following components, by mass, 200 parts of a gelling material, 650 parts of industrial solid waste, 150 parts of an exciting agent, 250 parts of a composite foaming agent, 0.6-1.2 parts of an elastic high polymer material, 50-150 parts of water and 650 parts of water.
In a second aspect, the present application also provides a construction of an assembled steel structural cross member, the module comprising the above-described acoustic barrier material and a cross member having cavities on either side of a web of the cross member to receive the acoustic barrier material.
In a third aspect, the present application also provides a method of making a sound insulating material, comprising: weighing the weight parts of the cementing materials into a stirrer; weighing the weight parts of each industrial solid waste and adding the weighed industrial solid waste into a stirrer; weighing the excitant in parts by weight, adding the excitant into a stirrer, and fully stirring and uniformly mixing; weighing each elastic high polymer material in parts by weight, and adding the weighed elastic high polymer material into a stirrer; adding the weight part of water into a stirrer, and stirring to prepare slurry; adding the composite foaming agent into the extracted slurry, and fully and uniformly stirring to prepare a castable; and uniformly stirring the casting material, pouring the casting material into a mold, and performing static curing, mold stripping, cutting and steam curing to obtain the product.
The application discloses a sound insulation material, a preparation method thereof and a structure of an assembled steel structure transverse member, wherein the sound insulation material comprises the following components, by mass, 200 parts of a cementing material, 650 parts of industrial solid waste, 550 parts of an exciting agent, 250 parts of an exciting agent, 0.6-1.2 parts of a composite foaming agent, 50-150 parts of an elastic high polymer material and 650 parts of water. The sound insulation material has the density of 250-350Kg/m3, and has the characteristics of small density, light weight, capability of reducing the self weight of a building, reduction of the construction cost of the building, energy conservation, environmental protection and excellent performance. It uses industrial solid waste, controls environmental pollution, protects environment, saves energy, improves indoor environment and quality of human life of buildings, and reduces noise pollution. The sound insulation material can be used for transverse members of assembled steel structures, the formed sound insulation material is manufactured into finished products and then placed into the transverse members, so that the technical problem of poor sound insulation effect of the transverse members is solved, the rapid development of the assembled building is certainly promoted, the industrialization level of the modern building is improved, and the development of circular economy is promoted; and make due contribution to the strategic goals of carbon peaking and carbon neutralization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a test report for an acoustic barrier material provided by an embodiment of the present application;
FIG. 2 is a structural schematic of the construction of an assembled steel structural cross member provided by an embodiment of the present application;
FIG. 3 is a structural schematic of a configuration of an assembled steel structural cross member provided by another embodiment of the present application;
FIG. 4 is a structural schematic of a configuration of an assembled steel structural cross member provided by yet another embodiment of the present application;
FIG. 5 is a structural schematic of the construction of an assembled steel structural cross member provided by yet another embodiment of the present application;
FIG. 6 is a schematic structural diagram of a lateral structure provided by an embodiment of the present application
Fig. 7 is a schematic flow diagram of a method of preparation provided by an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The invention discloses a sound insulation material which can be used for public buildings, houses and indoor spaces with sound insulation requirements, has the characteristics of energy conservation and environmental protection, and has excellent performance. The sound insulation material provided by the application is combined with an assembled steel structure to be used for public buildings, houses and indoor spaces with sound insulation requirements, so that the construction cost can be reduced, the indoor environment and the living quality of the buildings are improved, and the sound insulation material conforms to the national green sustainable development strategy. The soundproof material of the present application is specifically described below.
The sound insulation material comprises the following components in parts by mass: 100-200 parts of gelling material, 550-650 parts of industrial solid waste, 150-250 parts of exciting agent, 0.6-1.2 parts of composite foaming agent, 50-150 parts of elastic polymer material and 400 parts of water. The density of the sound insulation material is 250-350Kg/m3, and the sound insulation material has the characteristics of small density, light weight, capability of reducing the self weight of a building, energy conservation, environmental protection and excellent performance. Industrial solid waste is used, the industrial waste is recycled, pollution is reduced, and the national green sustainable development strategy is met. The sound insulation material can be applied to transverse members of assembled steel structures, so that the sound insulation effect of steel structure buildings is improved, and the indoor environment and the living quality of the buildings are improved. The sound insulation material of the present application also meets the requirements of GB11968-2006 "autoclaved aerated concrete block standard" through detection, and refer to the detection report of the sound insulation material of the present application as shown in fig. 1 specifically. The sound insulation material is applied to a transverse member of an assembly type steel structure, solves the key technical problems of poor sound insulation effect of public buildings, houses and indoor spaces with sound insulation requirements of the assembly type steel structure, surely promotes the rapid development of the assembly type building, improves the industrialization level of the modern building and promotes the development of circular economy; and make due contribution to the strategic goals of carbon peaking and carbon neutralization.
In an alternative embodiment, the industrial solid waste comprises 650 parts by mass of fly ash 420-650 parts, 0-65 parts by mass of steel slag powder and 0-65 parts by mass of coal gangue. The sound insulation material uses a large amount of solid wastes such as coal ash and coal gangue, recycles industrial solid wastes, protects the environment and accords with the national green sustainable development strategy.
In this embodiment, the cementitious material comprises at least one of portland cement, sulphoaluminate cement, and high alumina cement. The cementing material can be any one of Portland cement, sulphoaluminate cement and high-alumina cement, and each combination accounts for 100-200 parts of the weight of the sound insulation material. The cementing material can also be the combination of two or three of Portland cement, sulphoaluminate cement and high alumina cement, and the total weight of the combination is 100-200 parts of the weight of the sound insulation material. The excitant comprises the following components, by mass, 0-25 parts of water glass, 100-150 parts of quick lime and 40-75 parts of desulfurized gypsum. The composite foaming agent comprises, by mass, 0.1-0.5 part of aliphatic sulfonate, 0.1-0.5 part of polyether surfactant and 0.2-1 part of aluminum powder composite foaming agent. The high-elasticity high polymer material comprises elastic rubber powder.
The invention also discloses a structure of the assembled steel structure transverse member, which improves the sound insulation performance of the transverse member of public buildings, houses and indoor spaces with sound insulation requirements. The construction of the fabricated steel structural cross member includes the above-described sound insulating material 10 and the cross member 20. The concrete components of the sound insulation material and the weight ratio of each component are referred to the above materials, and are not described herein. The cross member has cavities on both sides of the abdominal cavity for receiving sound insulation material.
The structure of the assembled steel structure transverse member is used for an assembled building, and can realize standardized design, factory production, assembly construction and informatization management by applying a building informatization BIM technology. The assembly type steel structure high-rise building is a new direction of the building industry in China, is a key link for realizing the industrialization of modern buildings and pushing green buildings, and the assembly type steel structure high-rise building is based on the planning design, integrated construction, use and maintenance and function change of the building, meets the requirements of organic updating and long-term good quality of the building, and realizes the sustainable development of the whole life cycle of the building. The assembled steel structure transverse member in the market has poor sound insulation performance, cannot be used for standardized design, factory production and assembly construction after the sound insulation performance is improved, and is not beneficial to the development of the assembled building industry. The building dead weight is reduced, the building cost of the building is reduced, the energy is saved, the environment is protected, and the indoor environment and the living quality of the building are improved.
In an alternative embodiment, as shown in fig. 6, the cross member 20 includes a central support member 21. The central support member is used as a central support of the civil steel structure building. The central support mainly comprises cross oblique rods, single oblique rods, herringbone oblique rods and K-shaped oblique rods.
In an alternative embodiment, the sound barrier material may be mounted within the cross member by adhesive bonding. As for the bonding technology, the market is mature at present, and the description thereof is omitted here.
In an alternative embodiment, as shown in fig. 4, the thickness of the sound barrier material is greater than the depth of the cavities on either side of the web of the cross member, i.e., a portion of the sound barrier material is disposed in the cavities on either side of the web of the cross member and another portion of the sound barrier material protrudes from the cross member. In another embodiment, as shown in FIG. 2, the thickness of the sound barrier material is less than the depth of the cavities on either side of the web of the cross member, i.e., the sound barrier material is disposed entirely within the cavities on either side of the web of the cross member. In another embodiment, as shown in fig. 3, the thickness of the sound barrier material is equal to the depth of the cavities on either side of the web of the cross member. In an alternative embodiment, shown in fig. 5, where the cross member is H-shaped, the number of acoustic barrier materials may be provided in two, with two acoustic barrier materials being provided in two respective cavities on either side of the web of the cross member. The thickness of the sound insulation material is not limited, and the sound insulation material is calculated according to different building spaces and different sound insulation requirements.
In an optional embodiment, a fireproof coating is further arranged outside the sound insulation material and coated on the surface of the cross member, and the fireproof performance of the structure of the assembled steel structure cross member is improved by arranging the fireproof coating, so that the safety performance of the structure of the assembled steel structure cross member is improved.
Referring to fig. 7, the present invention further relates to a method for preparing the sound insulation material. The preparation method comprises steps S101-S107.
S101, weighing the parts by weight of each cementing material into a stirrer.
S102, weighing the parts by weight of the industrial solid wastes and adding the parts by weight into a stirrer.
S103, weighing the excitant in parts by weight, adding the excitant into a stirrer, and fully stirring and uniformly mixing.
S104, weighing the elastic high polymer materials in parts by weight and adding the elastic high polymer materials into a stirrer.
And S105, adding the weight parts of water into a stirrer, and stirring to prepare slurry.
And S106, adding the composite foaming agent into the extracted slurry, and fully and uniformly stirring to prepare the castable.
And S107, uniformly stirring the casting material, pouring the casting material into a mold, and performing static curing, mold stripping, cutting and steam curing to obtain the product.
While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The sound insulation material is characterized by comprising the following components, by mass, 200 parts of a gelling material, 650 parts of industrial solid waste, 550 parts of an exciting agent, 250 parts of a composite foaming agent, 0.6-1.2 parts of an elastic high polymer material, 50-150 parts of an elastic high polymer material and 650 parts of water.
2. The sound-insulating material as claimed in claim 1, wherein the industrial solid waste comprises, by mass, 650 parts of fly ash 420-.
3. The sound insulating material of claim 1, wherein the cementitious material comprises at least one of portland cement, sulphoaluminate cement, and high alumina cement; the excitant comprises the following components, by mass, 0-25 parts of water glass, 100-150 parts of quick lime and 40-75 parts of desulfurized gypsum; the composite foaming agent comprises the following components, by mass, 0.1-0.5 part of aliphatic sulfonate, 0.1-0.5 part of polyether surfactant and 0.2-1 part of aluminum powder composite foaming agent; the high-elasticity high polymer material comprises elastic rubber powder.
4. A construction of an assembled steel structural cross member, comprising: a sound barrier material and cross member as claimed in any one of claims 1 to 3 wherein said web of said cross member has cavities on either side thereof for receiving said sound barrier material.
5. The fabricated steel structural cross-member configuration of claim 4, wherein the cross-member comprises a center support member.
6. The fabricated steel structural cross-member construction of claim 4, wherein the sound barrier material has a thickness greater than the depth of the cavities on either side of the web of the cross-member; or the thickness of the sound insulation material is equal to the depth of the cavities on both sides of the web of the cross member; or the thickness of the sound insulating material is less than the depth of the cavities on both sides of the web of the cross member.
7. A method for producing the sound-insulating material as claimed in any one of claims 1 to 3, comprising:
weighing the weight parts of the cementing materials into a stirrer;
weighing the weight parts of each industrial solid waste and adding the weighed industrial solid waste into a stirrer;
weighing the excitant in parts by weight, adding the excitant into a stirrer, and fully stirring and uniformly mixing;
weighing each elastic high polymer material in parts by weight, and adding the weighed elastic high polymer material into a stirrer;
adding the weight part of water into a stirrer, and stirring to prepare slurry;
adding the composite foaming agent into the extracted slurry, and fully and uniformly stirring to prepare a castable;
and uniformly stirring the casting material, pouring the casting material into a mold, and performing static curing, mold stripping, cutting and steam curing to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110909833.XA CN113461394A (en) | 2021-08-09 | 2021-08-09 | Sound insulation material, preparation method thereof and structure of assembled steel structure cross member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110909833.XA CN113461394A (en) | 2021-08-09 | 2021-08-09 | Sound insulation material, preparation method thereof and structure of assembled steel structure cross member |
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| CN111807866A (en) * | 2020-07-23 | 2020-10-23 | 广东大潮建筑科技有限公司 | Sound-insulation fireproof building material |
| CN112538905A (en) * | 2020-11-11 | 2021-03-23 | 鲁米科技(山东)有限公司 | Fireproof and decorative integrated device and technology applied to H-shaped steel component |
-
2021
- 2021-08-09 CN CN202110909833.XA patent/CN113461394A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004011399A (en) * | 2002-06-04 | 2004-01-15 | Hayao Ito | Method of manufacturing soundproof material, soundproof box and soundproof panel |
| CN105439618A (en) * | 2015-12-08 | 2016-03-30 | 蔡卓丽 | Autoclaved aerated concrete building block |
| CN207268031U (en) * | 2017-08-28 | 2018-04-24 | 河南永威教育发展有限公司 | A kind of assembled materials for wall with soundproof effect |
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| CN112538905A (en) * | 2020-11-11 | 2021-03-23 | 鲁米科技(山东)有限公司 | Fireproof and decorative integrated device and technology applied to H-shaped steel component |
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