CN220394918U - Light steel joist spouts builds integrative wall and prefabricated wall - Google Patents
Light steel joist spouts builds integrative wall and prefabricated wall Download PDFInfo
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- CN220394918U CN220394918U CN202321002973.XU CN202321002973U CN220394918U CN 220394918 U CN220394918 U CN 220394918U CN 202321002973 U CN202321002973 U CN 202321002973U CN 220394918 U CN220394918 U CN 220394918U
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- gypsum layer
- glass fiber
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Abstract
The utility model relates to the technical field of building walls, in particular to a light steel joist spraying and building integrated wall and a prefabricated wall, wherein the wall comprises an insulation board, glass fiber nets, a mixed gypsum layer and light steel joists, the light steel joists are arranged on two sides of the insulation board in a bonding mode, the glass fiber nets are arranged on the opposite faces of the bonding faces of the light steel joists and the insulation board, the mixed gypsum layer is attached to the glass fiber nets, the light steel joists are used as frameworks, the mixed gypsum layer is used as a panel, the insulation and sound insulation performance is improved, and the dead weight is reduced.
Description
Technical Field
The utility model relates to the technical field of building walls, in particular to a light steel joist spraying integrated wall and a prefabricated wall.
Background
The existing building is mainly of a frame structure, the wall body is not stressed and only bears the functions of a fence and a partition, in the frame shear structure, the non-bearing wall is not stressed and only bears the functions of the fence and the partition, the wall body in the prior art is generally made of building blocks, hollow building blocks or reinforced concrete, the self weight is heavy, the heat insulation performance is poor, the sound insulation effect is poor, and meanwhile, the wall body cannot be detached after being built, and only destructive dismantling can be performed.
Disclosure of Invention
In view of the defects existing in the background technology, the utility model relates to a light steel joist spraying integrated wall and a prefabricated wall, which adopt light steel joists as frameworks and a mixed gypsum layer as a panel, so that the heat preservation and sound insulation performance is improved, and the dead weight is reduced.
The utility model relates to a light steel joist spraying and building integrated wall which comprises an insulation board, glass fiber nets, a mixed gypsum layer and light steel joists, wherein the light steel joists are arranged on two sides of the insulation board in a bonding mode, the glass fiber nets are arranged on the opposite surfaces of the bonding surfaces of the light steel joists and the insulation board, and the mixed gypsum layer is attached to the glass fiber nets.
Further, the material of the mixed gypsum layer consists of gypsum powder and polyphenyl particles.
Further, the glass fiber net is an alkali-resistant glass fiber net.
Further, the mixed gypsum layer comprises a first mixed gypsum layer and a second mixed gypsum layer, and the mixing ratio of gypsum powder and polyphenyl particles of the first mixed gypsum layer is 1:1, the mixing ratio of the gypsum powder of the second mixed gypsum layer to the polyphenyl particles is 1: and 5, attaching the second mixed gypsum layer to the light steel keel, and attaching the first mixed gypsum layer to the second mixed gypsum layer.
Further, the first mixed gypsum layer and the second mixed gypsum layer are respectively attached to two layers of glass fiber nets, the glass fiber nets are provided with anchoring points, and the two layers of glass fiber nets are connected through the glass fiber nets.
The utility model also provides a prefabricated wall body, and the light steel joist is adopted to spray an integrated wall.
The utility model also provides a preparation method of the light steel joist spraying and building integrated wall, which comprises the following steps:
s1, mixing ratio of gypsum and polyphenyl particles: typically, the mixing ratio of gypsum to polyphenyl particles is 1:5;
s2, pressure and air flow control of the spraying equipment: the spraying pressure of the spraying equipment is controlled between 0.4 and 0.5MPa, the air flow speed can be controlled between 10 and 12m/s, the spraying pressure of the spraying equipment is increased, the mixture of gypsum and polyphenyl particles is primarily compacted, and the adhesive force of the mixture and alkali-resistant glass fiber net is improved;
s3, spraying distance and angle: the distance from the surface of the glass fiber net to the surface of the glass fiber net is controlled between 20 cm and 30cm, the spraying angle is 60 degrees, when the glass fiber net is sprayed downwards, the spraying angle is 60 degrees downwards, when the glass fiber net is sprayed upwards, the spraying angle is 60 degrees upwards, the spraying is repeatedly carried out until the preset thickness is reached, the spraying angle is adjusted, the spraying is carried out back and forth, the adhesiveness of the mixture of gypsum and polyphenyl particles to the glass fiber net is improved, meanwhile, the spraying thickness in a single process is improved, the production efficiency is ensured, the spraying surface is smoother, and the attachment of a first mixed gypsum layer is facilitated;
s4, spraying speed: controlled at 1-3m 2 Between/h;
s5, manufacturing a bonding surface: the surface layer of the second mixed gypsum layer is subjected to primary coating, gypsum or cement mortar is used, the thickness is 2mm, the glass fiber net is provided with an anchor point towards the direction of the first mixed gypsum layer, and the second layer of glass fiber net is attached through the anchor point;
s6, spraying a first mixed gypsum layer: manufacturing a first mixed gypsum layer by adopting a mode of manufacturing a second mixed gypsum layer;
s7, subsequent processing: according to the design requirement, the heat preservation layer can be further processed, such as painting finish, decorative layer and the like, and the specific processing mode and thickness are required to be adjusted according to the design requirement and the property of the heat preservation material.
The utility model has the main beneficial effects that:
the wall surface layer mixed by gypsum and polyphenyl particles is adopted to realize the effects of heat preservation, sound insulation and dead weight reduction of the building wall. Gypsum is a material with good heat insulation performance and fireproof performance, polyphenyl particles are a heat insulation material with light weight and good heat insulation performance, and the advantages of the polyphenyl particles and the heat insulation material can be fully exerted when the polyphenyl particles and the heat insulation material are mixed, so that a wall heat insulation system with good heat insulation performance and construction convenience is formed.
The following are the main advantages of using a wall facing in which gypsum and polyphenyl particles are mixed:
good heat preservation performance: the polyphenyl granules have lower heat conductivity coefficient, can effectively isolate indoor and outdoor heat transfer, provide good heat insulation performance and reduce energy consumption.
And (3) lightening: the polyphenyl granule is a light material, which can lighten the dead weight of the wall body, reduce the building load and reduce the pressure of the house structure.
Construction convenience: the machine spraying method is used for construction, so that the heat preservation of the wall body can be rapidly and efficiently finished, the construction period and the labor cost are reduced, and the construction efficiency is improved.
Good fireproof performance: the gypsum has better fireproof performance, can improve the fireproof grade of the wall body and increase the safety of the building.
Environmental protection and health: gypsum and polyphenyl particles are environment-friendly, nontoxic and harmless materials, and are harmless to indoor air quality and health of residents.
Good construction adaptability with the light steel joist: the wall heat preservation system using the gypsum and the polyphenyl particles in a mixing way is suitable for a light steel keel wall foundation.
Better heat preservation performance: in the non-facing portion, gypsum and polyphenyl particles were used with 1:5, the heat insulation performance and the sound insulation performance are further improved, and the dead weight is further reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of embodiment 1 of the present utility model.
Reference numerals: 1. a thermal insulation board; 2. a light steel keel; 3. a glass fiber web; 31. an anchor point; 4. a first mixed gypsum layer; 5. a second mixed gypsum layer.
Detailed Description
It is apparent that what is described herein is only a part, but not all, of the examples of the present utility model, and that all other embodiments, which can be obtained by those skilled in the art without making any inventive effort, are within the scope of the present utility model.
In order to facilitate an understanding of embodiments of the present utility model, a further explanation will be made below by taking specific embodiments as examples, and the respective embodiments do not constitute a limitation of the embodiments of the present utility model.
The embodiment 1 of the utility model is shown in fig. 1, and relates to a light steel joist spraying and building integrated wall, which comprises an insulation board 1, a glass fiber net 3, a mixed gypsum layer and light steel joists 2, wherein the light steel joists 2 are arranged on two sides of the insulation board 1 in a bonding mode, the glass fiber net 3 is arranged on the opposite side of the bonding surface of the light steel joists 2 and the insulation board 1, and the mixed gypsum layer is attached to the glass fiber net 3.
Wherein the material of the mixed gypsum layer consists of gypsum powder and polyphenyl particles.
The glass fiber net 3 is an alkali-resistant glass fiber net 3, and the alkali-resistant glass fiber net 3 has good alkali resistance and high tensile strength.
The mixed gypsum layer comprises a first mixed gypsum layer 4 and a second mixed gypsum layer 5, wherein the mixing proportion of gypsum powder and polyphenyl particles of the first mixed gypsum layer 4 is 1:1, wherein the mixing ratio of the gypsum powder and the polyphenyl particles of the second mixed gypsum layer 5 is 1: and 5, the second mixed gypsum layer 5 is attached to the light steel joist 2, and the first mixed gypsum layer 4 is attached to the second mixed gypsum layer 5.
Wherein the mixing proportion of the gypsum powder and the polyphenyl particles is 1: the coating of 1 is a first thick coating proportion coating, and the mixing proportion of gypsum powder and polyphenyl particles is 1:5 is a second thick coating ratio coating.
In the production process of the second mixed gypsum layer 5, a problem of poor formability can be generated by adopting a common process, so that the structure of the second mixed gypsum layer is loose, and the adhesive force of the first mixed gypsum layer 4 is not strong.
Therefore, the utility model adopts different machine spraying methods, and specifically comprises the following steps:
s1, mixing ratio of gypsum and polyphenyl particles: typically, the mixing ratio of gypsum to polyphenyl particles is 1:5.
S2, pressure and air flow control of the spraying equipment: the spraying pressure of the spraying equipment is controlled between 0.4 and 0.5MPa, the air flow speed can be controlled between 10 and 12m/s, the spraying pressure of the spraying equipment is increased, the mixture of gypsum and polyphenyl particles is primarily compacted, and the adhesive force of the mixture and the alkali-resistant glass fiber net 3 is improved.
S3, spraying distance and angle: the surface of the glass fiber net 3 is controlled between 20 cm and 30cm, the spraying angle is 60 degrees, when the glass fiber net 3 is sprayed downwards, the spraying is downwards 60 degrees, when the glass fiber net is sprayed upwards, the spraying is upwards 60 degrees, the spraying is repeatedly carried out until the preset thickness is reached, the spraying angle is adjusted, the spraying is carried out back and forth, the adhesiveness of the mixture of gypsum and polyphenyl particles to the glass fiber net 3 is improved, meanwhile, the spraying thickness in a single process is improved, the production efficiency is ensured, the spraying surface is smoother, and the attachment of the first mixed gypsum layer 4 is facilitated.
S4, spraying speed: controlled at 1-3m 2 Between/h.
S5, manufacturing a bonding surface: the surface layer of the second mixed gypsum layer 5 is subjected to primary coating, gypsum or cement mortar is used, the thickness is 2mm, the glass fiber net 3 is provided with an anchoring point 31 towards the direction of the first mixed gypsum layer 4, and the second glass fiber net 3 is attached through the anchoring point 31.
S6, spraying the first mixed gypsum layer 4: the first mixed gypsum layer 4 is produced in such a way that the second mixed gypsum layer 5 is produced.
S7, subsequent processing: according to the design requirement, the heat preservation layer can be further processed, such as painting finish, decorative layer and the like, and the specific processing mode and thickness are required to be adjusted according to the design requirement and the property of the heat preservation material.
The heat preservation performance contrast experiment is carried out by adopting the structure:
first, a sample is prepared: the heat-insulating board 1 with the same size and structure is selected, wherein the group A is a prefabricated board prepared by the utility model, the group B uses rock wool as a heat-insulating material, and the group C uses EPS as a heat-insulating material.
Environmental conditions: and placing the three groups of samples under the same environmental condition, setting the environmental temperature to be 25 ℃ and the relative humidity to be 50%, arranging the three groups of samples in a tail-to-tail mode, sealing the top, and continuously heating the inside of the cavity by arranging a heater at the center of the inside of the enclosed cavity.
Measuring parameters: the surface temperature and the back temperature of the sample were measured using a thermometer, and time and temperature data were recorded.
Test procedure:
the initial temperature was recorded by placing thermometers at fixed positions on the surface and back of the thermal insulation board 1.
The two sets of samples were placed under the same environmental conditions, respectively, and the recording of temperature data was started.
The sample surface and back temperatures were recorded every 30 minutes for 4 hours.
After the test is completed, the recording of temperature data is stopped.
And (3) data recording:
analysis of results:
from the experimental data, the following conclusions can be drawn:
under the same environmental conditions, the surface temperature of the group A is higher, the back temperature is also higher, and the heat preservation performance is better.
The surface temperature of the group B is lower, the back temperature is also lower, and the heat preservation performance is better.
The surface temperature of the group C is higher, the back temperature is also higher, and the heat preservation performance is poorer.
Conclusion:
in the heat preservation comparison test, the group A shows better heat preservation performance, and has the characteristics of lower heat conduction and better heat preservation effect compared with rock wool and EPS. From the test results, it can be inferred that group a, group B, and group C are significantly better than group B and group C in the same environment.
Comparative experiments on sound insulation effect:
comparative experiments were performed in experiments using prefabricated panels, rock wool panels and EPS panel samples of the utility model of the same size and thickness. Each sample was 1m and 50mm thick, with the precast panels of the present utility model being group A, rock wool panels being group B, and EPS panels being group C.
Experimental facilities: using acoustic test equipment, acoustic transmission class (Rw) and acoustic sound insulation (DnT) test instruments, conform to the ISO 10140-2 standard. Ensuring the accuracy and stability of the test equipment to ensure the reliability of experimental data
And (3) sound insulation test: the sound insulation performance test was performed in accordance with international standard ISO 10140-2 using standard acoustic test methods. A, B and C were mounted on a soundproof test apparatus, respectively, and sound sources and receivers of different frequency ranges were set for soundproof performance test. The test frequency range is selected from 125Hz to 4000Hz, covering the sound frequency range common in general building structures.
Data recording and analysis: and recording data obtained by the sound insulation test, including indexes such as sound transmission category (Rw) and sound insulation quantity (DnT), and analyzing the data. The sound insulation effect of A, B and C in different frequency bands, including a comparison of low frequency, medium frequency and high frequency bands, is compared. The differences in sound transmission class (Rw) and sound insulation (DnT) of the rock wool panel and EPS panel were calculated and compared.
From the above data, it can be seen that the sound transmission class (Rw) and the sound insulation amount (DnT) of group a are better than those of group B and group C in the low, medium and high frequency bands, the sound insulation performance of group B is better than that of group C in the low and medium frequency bands (125 Hz to 1000 Hz), the sound transmission class (Rw) and the sound insulation amount (DnT) are larger, and are respectively higher than those of group C. And in the high frequency band (2000 Hz to 4000 Hz), the sound insulation performance of the B group and the C group is close, and the difference is small.
Data analysis and discussion: from the experimental results, the following conclusions can be drawn:
the group A shows better sound insulation performance at low frequency and medium frequency, has better sound insulation effect compared with the group B and the group C, and is suitable for occasions with higher requirements on sound insulation of low frequency and medium frequency noise, such as concert halls, movie theatres and the like.
In the high frequency band, the sound insulation performance of the group A is better than that of the group B and the group C, and the sound insulation device is suitable for occasions with higher requirements on sound insulation of high-frequency noise, such as offices, markets and the like.
Conclusion: in summary, group a is superior in sound insulation effect. In practical application, proper materials can be selected according to specific requirements and occasions, and sound insulation design and material selection of the wall body can be performed.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. A light steel joist spouts builds an organic whole wall, its characterized in that: including heated board (1), glass fiber net (3), mixed gypsum layer and light gauge steel (2), heated board (1) both sides laminating sets up light gauge steel (2), the opposite of light gauge steel (2) and heated board (1) faying face is equipped with glass fiber net (3), mixed gypsum layer adheres to on glass fiber net (3).
2. The light gauge steel spouts builds an organic whole wall according to claim 1, wherein: the material of the mixed gypsum layer consists of gypsum powder and polyphenyl particles.
3. The light steel joist (2) spraying integrated wall according to claim 1, wherein: the glass fiber net (3) is an alkali-resistant glass fiber net (3).
4. The light gauge steel spouts builds an organic whole wall according to claim 1, wherein: the mixed gypsum layer comprises a first mixed gypsum layer (4) and a second mixed gypsum layer (5), wherein the first mixed gypsum layer (4) is a first thick coating proportion coating, the second mixed gypsum layer (5) is a second thick coating proportion coating, the second mixed gypsum layer (5) is attached to the light steel keel (2), and the first mixed gypsum layer (4) is attached to the second mixed gypsum layer (5).
5. The light gauge steel spouts builds an organic whole wall according to claim 4, wherein: the first mixed gypsum layer (4) and the second mixed gypsum layer (5) are respectively attached to two layers of glass fiber nets (3), the glass fiber nets (3) are provided with anchoring points (31), and the two layers of glass fiber nets (3) are connected through the glass fiber nets (3).
6. A prefabricated wall, characterized by: a light gauge steel spray-built integrated wall employing the light gauge steel of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002973.XU CN220394918U (en) | 2023-04-27 | 2023-04-27 | Light steel joist spouts builds integrative wall and prefabricated wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002973.XU CN220394918U (en) | 2023-04-27 | 2023-04-27 | Light steel joist spouts builds integrative wall and prefabricated wall |
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| Publication Number | Publication Date |
|---|---|
| CN220394918U true CN220394918U (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321002973.XU Expired - Fee Related CN220394918U (en) | 2023-04-27 | 2023-04-27 | Light steel joist spouts builds integrative wall and prefabricated wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394918U (en) |
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2023
- 2023-04-27 CN CN202321002973.XU patent/CN220394918U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20240126 |