CN112832449A - Light steel keel-foam concrete-calcium silicate board composite wallboard and preparation method thereof - Google Patents
Light steel keel-foam concrete-calcium silicate board composite wallboard and preparation method thereof Download PDFInfo
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- CN112832449A CN112832449A CN202110024822.3A CN202110024822A CN112832449A CN 112832449 A CN112832449 A CN 112832449A CN 202110024822 A CN202110024822 A CN 202110024822A CN 112832449 A CN112832449 A CN 112832449A
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- China
- Prior art keywords
- foam concrete
- calcium silicate
- silicate board
- steel keel
- light
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a light steel keel-foam concrete-calcium silicate board composite wallboard and a preparation method thereof, belonging to the technical field of buildings and comprising the following steps: a light steel keel as a frame; the panel is clamped on two sides of the light steel keel and forms a cavity; and foam concrete filled in the cavity and used for bonding the panel. The light steel keel-foam concrete-calcium silicate board composite wallboard provided by the invention adopts horizontal pouring, so that the problem that foam concrete collapses due to overlarge pouring height is avoided; the filling material and the panel have good bonding performance, the structural integrity is good, and the mechanical property can be ensured; meanwhile, the heat bridge effect is reduced, the thermal property is improved, and meanwhile, the light-weight, impact-resistant and moisture-proof decorative effect is better.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a light steel keel-foam concrete-calcium silicate board composite wallboard and a preparation method thereof.
Background
With the promotion of policies such as establishment of a conservation-oriented society and development of energy conservation and emission reduction industries, light steel keel system structures are widely applied to the building and decoration industries, but in the prior art, C-shaped cold-bending and hemming channel steel upright columns with the spacing of 400-600 mm are usually used as bearing components, self-tapping screws are adopted on two sides of the upright columns to fix gypsum boards or shaving boards as inner and outer wall surfaces, and heat insulation materials with low heat conductivity coefficient such as rock wool, mineral wool and glass wool are filled in the upright columns, but the filling materials and the panels are easy to be separated, the integrity of the structure is poor, and the mechanical property cannot be guaranteed; meanwhile, the extremely low thermal conductivity and the volume density of the filling material are not matched with the high thermal conductivity of the light steel keel frame, so that a thermal bridge effect is caused, the energy consumption is increased, the durability of the material is reduced, the overall heat capacity and the heat storage capacity of the light steel keel structure are poor, and the thermal comfort of a building is reduced. In the prior art, light foam concrete is also used as a filling material, the high fluidity of the foam concrete is utilized, a vertical pouring mode is adopted for forming, the foam concrete can be constructed on site, and can also be prefabricated in a factory, but the problems of collapse, cracking and hollowing of a panel and the foam concrete, cracking between the foam concrete and a keel and the like easily occur during vertical pouring of the foam concrete, and the problem of thermal bridge cannot be well solved.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme:
a light steel keel-foam concrete-calcium silicate board composite wallboard comprises:
a light steel keel as a frame;
the panel is clamped on two sides of the light steel keel and forms a cavity;
and foam concrete filled in the cavity and used for bonding the panel;
the composite wallboard is formed by horizontal pouring, and when the thickness of the composite wallboard is 150mm, the heat transfer coefficient is 0.8-1.5W/(m)2K) and the bending failure resistance load/plate dead weight multiple is 2.0-3.0.
Furthermore, a steel wire mesh is connected in the light steel keel in a pulling mode.
Furthermore, reinforcing ribs for supporting are arranged in the light steel keels, and the steel wire meshes penetrate through the reinforcing ribs and are connected with the light steel keels in a pulling mode.
Furthermore, alkali-resistant fiber mesh cloth is stuck on the surfaces of the light steel keel and the reinforcing rib.
Furthermore, a gasket with the heat conductivity coefficient of 0.03-0.05W/(m.K) is arranged on the surface of the light steel keel, so that a gap is reserved between the light steel keel and the panel.
Furthermore, the thickness of the gasket is 5-15 mm, so that a gap reserved between the light steel keel and the panel is 5-15 mm.
Further, the panel is a calcium silicate board, the calcium silicate board is subjected to soaking treatment, the water content of the calcium silicate board is 30% -100%, and alkali-resistant fiber mesh cloth is adhered to the adhering surface of the calcium silicate board.
Further, the dry bulk density of the foam concrete is 300-700 kg/m3。
The preparation method of any one of the light steel keel-foam concrete-calcium silicate board composite wall boards is characterized by comprising the following steps:
s10, fixing the light steel keel frame on a panel and horizontally placing the light steel keel frame in a supported template;
s20, preparing foam concrete;
s30, pouring the foam concrete into the template;
s40, covering another panel on the foam concrete, and applying pressure until the foam concrete is initially set;
and S50, removing the mould to form the light steel keel-foam concrete-calcium silicate board composite wallboard.
Has the advantages that:
the light steel keel-foam concrete-calcium silicate board composite wallboard provided by the invention adopts horizontal pouring, so that the problem that foam concrete collapses due to overlarge pouring height is avoided; the filling material and the panel have good bonding performance, the structural integrity is good, and the mechanical property can be ensured; meanwhile, the heat bridge effect is reduced, the thermal property is improved, and meanwhile, the light-weight, impact-resistant and moisture-proof decorative effect is better.
Drawings
FIG. 1 is a schematic structural diagram of a single-side-mounted calcium silicate board according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a double-side-mounted calcium silicate board according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the arrangement of the calcium silicate board, the light steel keel and the foam concrete structure.
Wherein, 1, calcium silicate board; 2. a light steel keel; 3. steel wire mesh; 4. alkali-resistant fiber mesh cloth; 5. a rubber block; 6. foam concrete.
Detailed Description
Example 1
A light steel keel-foam concrete-calcium silicate board composite wallboard comprises:
a light steel keel 2 as a frame;
the panels are clamped on two sides of the light steel keel 2 and form a cavity;
and foam concrete 6 filled in the cavity and used for bonding the panels.
In this embodiment, the steel wire mesh 3 is connected in the light steel keel 2 in a pulling way.
Wherein, the light steel keel 2 is internally provided with a reinforcing rib for supporting the light steel keel 2, and the steel wire mesh 3 passes through the reinforcing rib and is connected with the light steel keel 2 in a pulling way; alkali-resistant fiber mesh cloth 4 is stuck on the sticking surfaces of the light steel keel 2 and the reinforcing ribs corresponding to the panels.
The panel is a calcium silicate board 1; alkali-resistant fiber mesh cloth 4 is also adhered to the adhesive surface of the calcium silicate board 1; the calcium silicate board 1 is soaked in water to ensure that the water content of the calcium silicate board 1 is between 30 and 100 percent, preferably 60 percent.
In this embodiment, the rubber blocks 5 with the size of 20 × 20 × 10mm are mounted on the surface of the light steel keel 2, so that a gap of 10mm is reserved between the light steel keel 2 and the calcium silicate board 1.
The preparation method of the light steel keel-foam concrete-calcium silicate board composite wallboard comprises the following steps:
s10, fixing the light steel keel 2 on a panel and horizontally placing the light steel keel in a supported template;
s20, preparing foam concrete 6;
s30, pouring the foam concrete 6 into the template;
s40, sucking up the other panel by using a low-pressure sucking disc and covering the other panel on the foam concrete 6, and applying constant pressure of 30N until the foam concrete is initially set;
and S50, removing the die after 24 hours to form the light steel keel-foam concrete-calcium silicate board composite wallboard.
In this example, the foam concrete had a dry bulk density of 600kg/m3The thickness of the composite wall board is 150 mm. The performance indexes of the prepared light steel keel-foam concrete-calcium silicate board composite wallboard after being maintained for 28 days are as the following table 1:
TABLE 1 light steel joist-foam concrete-calcium silicate board composite wallboard Properties
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. A light steel keel-foam concrete-calcium silicate board composite wallboard comprises:
a light steel keel as a frame;
the panel is clamped on two sides of the light steel keel and forms a cavity;
and foam concrete filled in the cavity and used for bonding the panel;
the composite wallboard is characterized by being formed by horizontal pouring, and when the thickness of the composite wallboard is 150mm, the heat transfer coefficient is 0.8-1.5W/(m)2K) and the bending failure resistance load/plate dead weight multiple is 2.0-3.0.
2. The light gauge steel-foam concrete-calcium silicate board composite wallboard of claim 1, wherein a steel wire mesh is connected in the light gauge steel by pulling.
3. The light gauge steel-foam concrete-calcium silicate board composite wallboard of claim 2, wherein reinforcing ribs are arranged in the light gauge steel for supporting, and the steel wire mesh passes through the reinforcing ribs and is connected with the light gauge steel in a pulling way.
4. The wall panel of claim 3, wherein the surface of the light steel joist and the surface of the reinforcing ribs are adhered with alkali-resistant fiber mesh cloth.
5. The light gauge steel-foam concrete-calcium silicate board composite wallboard according to claim 4, wherein a gasket with a thermal conductivity coefficient of 0.03-0.05W/(m.K) is arranged on the surface of the light gauge steel, so that a gap is reserved between the light gauge steel and the panel.
6. The light steel keel-foam concrete-calcium silicate board composite wallboard as claimed in claim 5, wherein the thickness of the gasket is 5-15 mm, so that a gap reserved between the light steel keel and the panel is 5-15 mm.
7. The light steel keel-foam concrete-calcium silicate board composite wallboard as claimed in claim 1, wherein the panel is a calcium silicate board, the water content of the panel is 30% -100%, and alkali-resistant fiber mesh cloth is adhered to the bonding surface of the calcium silicate board.
8. The light steel keel-foam concrete-calcium silicate board composite wallboard as claimed in claim 1, wherein the dry bulk density of the foam concrete is 300-700 kg/m3。
9. The method for preparing the light steel keel-foam concrete-calcium silicate board composite wallboard as claimed in any one of claims 1 to 8, which comprises the following steps:
s10, fixing the light steel keel frame on a panel and horizontally placing the light steel keel frame in a supported template;
s20, preparing foam concrete;
s30, pouring the foam concrete into the template;
s40, covering another panel on the foam concrete, and applying pressure until the foam concrete is initially set;
and S50, removing the mould to form the light steel keel-foam concrete-calcium silicate board composite wallboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024822.3A CN112832449A (en) | 2021-01-08 | 2021-01-08 | Light steel keel-foam concrete-calcium silicate board composite wallboard and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024822.3A CN112832449A (en) | 2021-01-08 | 2021-01-08 | Light steel keel-foam concrete-calcium silicate board composite wallboard and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112832449A true CN112832449A (en) | 2021-05-25 |
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| CN202110024822.3A Pending CN112832449A (en) | 2021-01-08 | 2021-01-08 | Light steel keel-foam concrete-calcium silicate board composite wallboard and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69731124D1 (en) * | 1997-02-07 | 2004-11-11 | Fibrobeton Yapi Elemanlari San | Prefabricated wall element made of glass fiber reinforced concrete |
| CN201588316U (en) * | 2009-09-11 | 2010-09-22 | 闫振甲 | Fire-proof and self-heat insulating structure of cast-in-place foam concrete of wall with steel structure and concrete frame structure |
| CN201665953U (en) * | 2010-03-22 | 2010-12-08 | 江苏百代节能建材有限公司 | Prefabricated light composite wallboard |
| CN105804315A (en) * | 2016-05-14 | 2016-07-27 | 唐山冀东发展集成房屋有限公司 | Steel wire mesh and fiber enhanced integrated foam concrete lightweight wall plate and manufacturing method thereof |
| RU163700U1 (en) * | 2016-03-29 | 2016-08-10 | Общество с ограниченной ответственностью ООО "ОНЕКС" | WALL FRAME PANEL |
| CN206571006U (en) * | 2016-12-30 | 2017-10-20 | 中国建筑科学研究院 | Decorate the insulation and decoration combined wall of panel and template integration |
| CN108756020A (en) * | 2018-06-01 | 2018-11-06 | 湖南飞扬建设工程有限公司 | A kind of foamed concrete composite insulation wall |
| CN209040360U (en) * | 2018-11-08 | 2019-06-28 | 姬广庆 | The cast-in-situ thermal-insulated decorating wall of non-dismantling formwork is made of decoration panel and keel |
-
2021
- 2021-01-08 CN CN202110024822.3A patent/CN112832449A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69731124D1 (en) * | 1997-02-07 | 2004-11-11 | Fibrobeton Yapi Elemanlari San | Prefabricated wall element made of glass fiber reinforced concrete |
| CN201588316U (en) * | 2009-09-11 | 2010-09-22 | 闫振甲 | Fire-proof and self-heat insulating structure of cast-in-place foam concrete of wall with steel structure and concrete frame structure |
| CN201665953U (en) * | 2010-03-22 | 2010-12-08 | 江苏百代节能建材有限公司 | Prefabricated light composite wallboard |
| RU163700U1 (en) * | 2016-03-29 | 2016-08-10 | Общество с ограниченной ответственностью ООО "ОНЕКС" | WALL FRAME PANEL |
| CN105804315A (en) * | 2016-05-14 | 2016-07-27 | 唐山冀东发展集成房屋有限公司 | Steel wire mesh and fiber enhanced integrated foam concrete lightweight wall plate and manufacturing method thereof |
| CN206571006U (en) * | 2016-12-30 | 2017-10-20 | 中国建筑科学研究院 | Decorate the insulation and decoration combined wall of panel and template integration |
| CN108756020A (en) * | 2018-06-01 | 2018-11-06 | 湖南飞扬建设工程有限公司 | A kind of foamed concrete composite insulation wall |
| CN209040360U (en) * | 2018-11-08 | 2019-06-28 | 姬广庆 | The cast-in-situ thermal-insulated decorating wall of non-dismantling formwork is made of decoration panel and keel |
Non-Patent Citations (3)
| Title |
|---|
| 孔人英等: "《混凝土制品工艺及设备》", 30 September 1995, 武汉工艺大学出版社 * |
| 罗云峰等: "硅钙板-泡沫混凝土界面粘结性能研究", 《功能材料》 * |
| 高宝林等: "《建筑隔墙用轻质条板通用技术要求》", 6 September 2016 * |
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Application publication date: 20210525 |