CN112392215A - Anti-drop composite structure and construction method thereof - Google Patents
Anti-drop composite structure and construction method thereof Download PDFInfo
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- CN112392215A CN112392215A CN202011328025.6A CN202011328025A CN112392215A CN 112392215 A CN112392215 A CN 112392215A CN 202011328025 A CN202011328025 A CN 202011328025A CN 112392215 A CN112392215 A CN 112392215A
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- drop
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- composite structure
- spraying
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- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 83
- 239000000835 fiber Substances 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000012784 inorganic fiber Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 239000002657 fibrous material Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 62
- 238000001035 drying Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/045—Means for fastening plaster-bases to a supporting structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an anti-drop composite structure and a construction method thereof, and belongs to the field of buildings. According to the invention, the anti-drop component is installed on the working surface, and then the fiber material is sprayed to form the fiber spraying layer, wherein the fiber spraying layer is porous and elastic, and has excellent sound absorption and heat insulation properties. According to the invention, through the design of the anti-falling component, on one hand, the three-dimensional support can be provided for the sprayed fiber layer, the coating is ensured not to fall off under the conditions of rainwater leakage, base surface vibration and the like, and the reliability and the application range of the fiber sprayed layer are improved; on the other hand, the anti-drop composite structure formed by the anti-drop component and the fiber spraying layer has obvious control on low-frequency noise. The anti-drop construction method is suitable for various fiber sound absorption and heat preservation spraying projects in vibration and leakage environments and fiber spraying with the thickness of more than 40 mm.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to an anti-falling composite structure and a construction method thereof.
Background
The fiber spraying is to adopt a special fiber spraying machine, send the fiber cotton to a spray head, and spray the fiber cotton to a working surface after being mixed with the vaporific bonding liquid sprayed from the periphery of the spray head, and form a smooth, rough and seamless fiber coating after drying. The coating formed by spraying the fiber has excellent sound absorption, heat preservation and condensation resistance, can be directly sprayed on the base surface of any shape and any material, has simple structure, convenient and quick construction, saves materials and labor, and is widely used in various occasions, such as: the acoustic engineering of buildings in halls and venues, noise control engineering in highway and subway tunnels, railway station roads, indoor parking lots and equipment rooms, heat insulation engineering in buildings, indoor natatorium, condensation resistance engineering of air-conditioning pipelines and the like are multifunctional special environment-friendly materials which are popularized and applied in recent years.
In general, a proper water-based binder is selected and mixed according to requirements, spraying construction is carried out according to procedures, and the phenomenon that a coating is bulged or falls off cannot occur 10 years after drying and curing of the fiber spraying material. However, the fiber coating may have problems of hollowing and even peeling off in the following cases:
1. the fiber spraying material adopts water-based emulsion as an adhesive, has no waterproof function, and can cause large-area shedding of the fiber sound absorption and heat insulation coating when the fiber coating sprayed on a top plate of a basement, a vault of a tunnel and a totally-enclosed sound barrier ceiling is leaked in water;
2. under the operating environment with large rigid vibration and large air humidity, the weather resistance of the fiber coating has no strict data at present, such as sound absorption spraying in a highway tunnel, a sound insulation shed, a railway station ceiling and an equipment room, heat preservation of a top plate of a civil building, and the like, and when the thickness of the fiber spraying layer is more than or equal to 40mm, the fiber spraying layer is easy to bulge and even fall off;
3. and the control of low-frequency noise can effectively control medium-high frequency noise after the fiber material is sprayed in the equipment room, but the low-frequency noise is not greatly improved.
Disclosure of Invention
The invention provides an anti-drop composite structure and a construction method thereof, and aims to solve the technical problems that the existing fiber spraying material is easy to drop after being used for a long time and has poor control on low-frequency noise.
In order to achieve the purpose, the invention adopts the following technical scheme: an anti-drop composite structure comprises a building base layer and an anti-drop component, wherein the anti-drop component is arranged on the surface of the building base layer;
the fiber spraying layer is composed of inorganic fibers and a water-based adhesive, the fiber spraying layer is sprayed on one side, far away from the building base layer, of the anti-falling component, and the anti-falling component is completely covered by the fiber spraying layer;
the pulling force of the anti-falling component is greater than the weight of the fiber spraying layer.
As a further preferred aspect of the present invention, the falling off preventive member includes a base which is in contact with the surface of the building substrate, and a plurality of tie bars which are connected to the base.
As a further preferable aspect of the present invention, the base includes a fixing surface and a plurality of connecting surfaces, the fixing surface is always parallel to the building base, and the connecting surfaces are connected to edges of the fixing surface.
As a further preferred aspect of the present invention, the fixing member further includes a mounting hole provided in the fixing surface.
In a further preferred embodiment of the present invention, the sprayed fiber layer has an adhesive strength of 5.0kPa or higher.
In a further preferable mode of the invention, the distance between the pull rod and the surface of the fiber spraying layer far away from the building base layer is 5-10 mm.
As a further optimization of the invention, the thickness of the fiber spraying layer to be sprayed is more than or equal to 20 mm.
The construction method of the anti-drop composite structure comprises the following steps:
wherein, flush coater satisfies: the fan pressure is 8-15 Mpa, the water pump pressure is 1.0-1.5 Mpa, the mixed liquid flow of the adhesive is 20-25L/min, the distance between the nozzle of the spraying machine and the base plane of the anti-drop component is 0.90-1.10 m, and the angle of the nozzle of the spraying machine facing the vertical direction of the base plane of the anti-drop component is kept at 90 DEG0±100Within the range.
As a further preferred aspect of the present invention, in step 2, the density of the anti-drop members installed on the surface of the building base course is 2 to 3 per square meter, and the number of the anti-drop members can be increased or decreased according to actual needs.
As a further preferred aspect of the present invention, the position where the anti-drop member is installed on the surface of the building substrate in step 2 may be determined according to actual needs.
The invention has the beneficial effects that:
1. the anti-drop component is installed on the working surface, and then the fiber material is sprayed, so that the fiber layer formed by spraying is porous and elastic, and has the properties of absorbing energy, storing air and insulating heat;
2. according to the invention, through the design of the anti-falling component, on one hand, the three-dimensional support can be provided for the fiber spraying layer, and the fiber spraying layer is ensured not to fall off under the conditions of leakage and vibration, and on the other hand, the anti-falling component and the fiber spraying layer form a composite structure, so that the low-frequency noise is obviously controlled.
3. The invention is suitable for various fiber sound absorption and heat preservation spraying projects in vibration and leakage environments and fiber spraying with the thickness of more than 40 mm.
Drawings
Fig. 1 is a schematic structural view of an anti-drop member according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a composite structure according to example 1 of the present invention;
fig. 3 is a schematic structural view of an anti-drop member according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of a composite structure according to example 2 of the present invention;
fig. 5 is a schematic structural view of an anti-drop member according to embodiment 3 of the present invention;
FIG. 6 is a schematic view of a composite structure according to example 3 of the present invention;
fig. 7 is a schematic structural view of an anti-drop member according to embodiment 4 of the present invention;
fig. 8 is a schematic view of a composite structure of embodiment 4 of the present invention.
In the figure: 1. a building substrate; 2. an anti-drop member; 3. a fiber spray coating layer; 4. a base; 5. a pull rod; 6. mounting holes; 7. a fixed surface; 8. and (5) connecting the surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 invention. The relative arrangement of the components and steps, expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways (rotated 90 degrees or at other orientations).
The invention discloses an anti-falling composite structure, which comprises a building base layer 1, an anti-falling component 2 and a fiber spraying layer 3, wherein the anti-falling component 2 is arranged on the surface of the building base layer 1; the fiber spray coating 3 is sprayed on the side of the anti-drop member 2 away from the building base layer 1, and the anti-drop member 2 is completely covered by the fiber spray coating 3. The fiber spraying layer 3 consists of inorganic fibers and a water-based adhesive, and the tensile force of the anti-falling component 2 is greater than the weight of the fiber spraying layer 3; in the spraying construction, the fiber spraying layer 3 contains fibers and a binder (theoretically, each fiber must be adhered with a glue and a mixed solution), and the anti-falling component 2 bears the sum of the weights of the fibers and the mixed solution of the water and the glue.
The anti-falling component 2 comprises a base 4 and a plurality of pull rods 5, wherein the base 4 is in surface contact with the building base layer 1, and the pull rods 5 are connected with the base 4. The base 4 comprises a fixing surface 7 and a plurality of connecting surfaces 8, the fixing surface 7 is always parallel to the building base layer 1, and the connecting surfaces 8 are connected with the edges of the fixing surface 7; still include mounting hole 6, mounting hole 6 sets up on stationary plane 7.
The bonding strength of the fiber spraying layer 1 is more than or equal to 5.0kPa, and the volume density of the fiber spraying layer 1 is as follows: the fiber spraying layer 1 mainly comprises inorganic fibers or plant fibers, wherein the inorganic fibers comprise mineral fibers (the density is less than or equal to 240 kg/m 3), glass fibers (the density is less than or equal to 60 to 115 kg/m 3), and the density of the plant fibers is less than or equal to 220 kg/m 3. The distance between the base 4 and the pull rod 5 and the surface, far away from the building base layer 1, of the fiber spraying layer 3 is 10-15 mm, and the thickness of the fiber spraying layer 3 to be sprayed is larger than or equal to 20 mm.
The base 4 is made of galvanized steel plates with the thickness of 1.5-2.0 mm, and the pull rod 5 is made of No. 9-11 galvanized iron wires, so that the anti-falling component 2 is ensured to be enough to support the pulling force of the fiber spraying layer 3, and the fireproof requirement of a building heat-insulation (sound-absorption) spraying material A1 grade (non-combustible) is met.
In order to obtain the anti-falling composite structure, the invention provides an anti-falling composite structure construction method, which comprises the following steps:
wherein, flush coater satisfies: the fan pressure is 8-15 Mpa, the water pump pressure is 1.0-1.5 Mpa, the mixed liquid flow of the adhesive is 20-25L/min, the distance between the nozzle of the spraying machine and the base plane of the anti-drop component is 0.90-1.10 m, and the angle of the nozzle of the spraying machine facing the vertical direction of the base plane of the anti-drop component is kept at 90 DEG0±100Within the range. This work index and construction requirement can improve the compactness of the fiber sprayed layer 3.
And (3) after the spraying is finished, troweling and finishing the surface of the wall body, cleaning a spraying field after troweling, naturally drying the spraying layer, and naturally curing the spraying layer at regular intervals in the later period.
Four specific embodiments of the present invention are described in detail below with reference to the accompanying drawings:
example 1
As shown in fig. 1 and 2, in the present embodiment, the base 4 of the drop-off prevention member 2 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 and the fixing surface 7 form a trapezoid structure, and the pull rod 5 penetrates through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for any environment suitable for the fiber spraying layer 3 with the thickness of 20-30mm, the anti-drop component 2 in the embodiment can meet the requirements of anti-drop, sound absorption, sound insulation, fire prevention and heat preservation, meanwhile, the manufacturing cost of the anti-drop composite structure is reduced, and the distance between the pull rod 5 and the base building layer 1 can be conveniently adjusted.
Example 2
As shown in fig. 3 and 4, in the present embodiment, the anti-falling off component 2 includes the base 4 and two pull rods 5, where the base 4 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 are perpendicular to the fixing surface 7, and the two pull rods 5 are parallel and both penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for the building base layer 1 is a base plane beam column, at the moment, the thickness of the fiber spraying layer 3 is larger than 40mm, the thickness of a general heat preservation project is 40-70 mm, the thickness of a sound absorption project is 20-30mm, and the thickness of sound insulation is 40-50 mm, so that the corresponding thickness of the acoustics of the fiber spraying layer 3 and the heat preservation project needs to be calculated according to design specifications.
Example 3
As shown in fig. 5 and fig. 6, the anti-falling off component 2 in this embodiment includes the base 4 and two pull rods 5, wherein the base 4 is composed of one fixing surface 7 and two connecting surfaces 8, the two connecting surfaces 8 are perpendicular to the fixing surface 7, and the two pull rods 5 are crosswise arranged and both penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
The embodiment is suitable for any installation environment, the thickness of the fiber spraying layer 3 is larger than 40mm, the thickness of the general heat preservation engineering is 40-70 mm, the sound absorption engineering is 20-30mm, and the sound insulation is 40-50 mm, so that the corresponding thickness of the acoustics of the fiber spraying layer 3 and the heat preservation engineering needs to be calculated according to the design specification.
Example 4
As shown in fig. 7 and 8, in the present embodiment, the anti-falling off component 2 includes the base 4 and two pull rods 5, where the base 4 is composed of one fixing surface 7 and four connecting surfaces 8, the four connecting surfaces 8 are perpendicular to the fixing surface 7 so as to form a box structure, and the two pull rods 5 are perpendicular to each other and respectively penetrate through the two connecting surfaces 8. The fixing surface 7 of the anti-falling member 2 is fixed to the surface of the building base layer 1 by an adhesive or the fixing surface 7 is provided with a hole and the anti-falling member 2 is fixedly connected to the building base layer 1 by a bolt.
This embodiment is applicable to arbitrary installation environment, 3 thickness on fibre spraying layer are greater than 40mm, corresponding the thickness of the acoustics and the heat preservation engineering on fibre spraying layer 3 need calculate corresponding suitable thickness according to the design specification.
According to the construction method, the anti-drop component is installed on the working surface, then the fiber material is sprayed, the fiber layer formed by spraying is porous and elastic, and has the properties of energy absorption, air storage and heat insulation.
The anti-drop construction method is suitable for various fiber sound absorption and heat preservation spraying projects in vibration and leakage environments and fiber spraying with the thickness of more than 40 mm.
Claims (10)
1. A fall-off prevention composite structure comprising a building substrate, comprising: a falling off prevention member installed on a surface of the building base;
the fiber spraying layer is composed of inorganic fibers and a water-based adhesive, the fiber spraying layer is sprayed on one side, far away from the building base layer, of the anti-falling component, and the anti-falling component is completely covered by the fiber spraying layer;
the pulling force of the anti-falling component is greater than the weight of the fiber spraying layer.
2. A drop resistant composite structure as claimed in claim 1, wherein: the anti-falling component comprises a base and a plurality of pull rods, the base is in surface contact with the base layer of the building, and the pull rods are connected with the base.
3. A drop resistant composite structure as claimed in claim 2, wherein: the base includes stationary plane and a plurality of connection face, the stationary plane all the time with building basic unit is parallel, connect the face with the stationary plane edge is connected.
4. A drop resistant composite structure as claimed in claim 3, wherein: still include the mounting hole, the mounting hole is seted up on the stationary plane.
5. A drop resistant composite structure as claimed in claim 1, wherein: the bonding strength of the fiber spraying layer is more than or equal to 5.0 kPa.
6. A drop resistant composite structure as claimed in claim 2, wherein: the distance between the pull rod and the fiber spraying layer is 5-10 mm far away from one surface of the building base layer.
7. A drop resistant composite structure as claimed in claim 1, wherein: the thickness of the fiber spraying layer to be sprayed is more than or equal to 20 mm.
8. A construction method of an anti-drop composite structure is characterized in that: the method comprises the following steps:
step 1, preparing cellucotton and a bonding liquid;
step 2, after the surface of the building base layer to be constructed is cleaned, installing the anti-falling component on the surface of the building base layer;
step 3, feeding the prepared cellucotton and the bonding liquid into a spraying machine, and spraying the cellucotton and the bonding liquid on the anti-falling component base surface by the spraying machine until a spraying material completely covers the anti-falling component to form a fiber spraying layer;
wherein, flush coater satisfies: the fan pressure is 8-15 Mpa, the water pump pressure is 1.0-1.5 Mpa, the mixed liquid flow of the adhesive is 20-25L/min, the distance between the nozzle of the spraying machine and the base plane of the anti-drop component is 0.90-1.10 m, and the angle of the nozzle of the spraying machine facing the vertical direction of the base plane of the anti-drop component is kept at 90 DEG0±100Within the range.
9. The construction method of an anti-drop composite structure according to claim 8, characterized in that: in the step 2, the density of the anti-falling components arranged on the surface of the building base layer is 2-3 per square meter, and the number of the anti-falling components can be increased or decreased according to actual needs.
10. The construction method of an anti-drop composite structure according to claim 9, characterized in that: the position of installing the anti-drop member on the surface of the building base layer in the step 2 can be determined according to actual needs.
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EP0730067A1 (en) * | 1995-03-02 | 1996-09-04 | Compagnie Francaise Eiffel Construction Metallique | Light building facade and method for their manufacturing |
CN2599100Y (en) * | 2003-03-15 | 2004-01-14 | 韩春贵 | Thermal insulated sound-absorbing composite wall body |
US20070234649A1 (en) * | 2006-03-31 | 2007-10-11 | Johns Manville | Method of insulating overhead cavities using spray-applied fibrous insulation and the insulation material resulting from the same |
CN201116734Y (en) * | 2007-10-31 | 2008-09-17 | 山东三维石化工程股份有限公司 | Petrochemical industry device heating furnace dew point corrosion resisting composite lining |
CN202925720U (en) * | 2012-10-29 | 2013-05-08 | 上海生绿保温制品有限公司 | Partition with inorganic fiber spraying layer |
KR101286931B1 (en) * | 2012-11-12 | 2013-07-16 | 조우림 | Complex water-proof layer on a rooftop and method for constructing the same layer |
CN107435382A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of inorfil spray coating heat preservation decoration integrated preparation method of wall |
CN214834230U (en) * | 2020-11-24 | 2021-11-23 | 南京隆知圣建筑声学技术有限公司 | Anti-drop composite construction |
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2020
- 2020-11-24 CN CN202011328025.6A patent/CN112392215A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0730067A1 (en) * | 1995-03-02 | 1996-09-04 | Compagnie Francaise Eiffel Construction Metallique | Light building facade and method for their manufacturing |
CN2599100Y (en) * | 2003-03-15 | 2004-01-14 | 韩春贵 | Thermal insulated sound-absorbing composite wall body |
US20070234649A1 (en) * | 2006-03-31 | 2007-10-11 | Johns Manville | Method of insulating overhead cavities using spray-applied fibrous insulation and the insulation material resulting from the same |
CN201116734Y (en) * | 2007-10-31 | 2008-09-17 | 山东三维石化工程股份有限公司 | Petrochemical industry device heating furnace dew point corrosion resisting composite lining |
CN202925720U (en) * | 2012-10-29 | 2013-05-08 | 上海生绿保温制品有限公司 | Partition with inorganic fiber spraying layer |
KR101286931B1 (en) * | 2012-11-12 | 2013-07-16 | 조우림 | Complex water-proof layer on a rooftop and method for constructing the same layer |
CN107435382A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of inorfil spray coating heat preservation decoration integrated preparation method of wall |
CN214834230U (en) * | 2020-11-24 | 2021-11-23 | 南京隆知圣建筑声学技术有限公司 | Anti-drop composite construction |
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