CN116044082A - Ceramsite concrete external wall panel - Google Patents
Ceramsite concrete external wall panel Download PDFInfo
- Publication number
- CN116044082A CN116044082A CN202211667701.1A CN202211667701A CN116044082A CN 116044082 A CN116044082 A CN 116044082A CN 202211667701 A CN202211667701 A CN 202211667701A CN 116044082 A CN116044082 A CN 116044082A
- Authority
- CN
- China
- Prior art keywords
- ceramsite concrete
- external wall
- wall panel
- steel mesh
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 239000003365 glass fiber Substances 0.000 claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims description 37
- 238000005452 bending Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 4
- 210000003195 fascia Anatomy 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000011496 polyurethane foam Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- 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
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
-
- 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
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Panels For Use In Building Construction (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to the technical field of building walls and discloses a ceramsite concrete external wall board, which comprises a ceramsite concrete layer, wherein prestressed steel bars and steel meshes are arranged in the ceramsite concrete layer, the steel meshes are positioned between the prestressed steel bars, and the ceramsite concrete of the ceramsite concrete layer is doped with chopped glass fibers. The external wall panel adopts the ceramsite concrete, the heat conductivity coefficient of the ceramsite concrete is much lower than that of the common concrete, a good heat preservation effect can be achieved, the traditional polyurethane foam plastic is not needed for heat preservation, and the potential safety hazard of heat preservation material layer separation is avoided; the haydite concrete strength ratio of this scheme is higher, and required prestressing steel can also reduce, can reduce the diameter of reinforcing bar, increases reinforcing bar quantity and incorporate chopped glass fiber, has increased the binding power of reinforcing bar again when subtracting the heavy, still can improve the bulk strength of side fascia for the weight of side fascia becomes light and intensity is higher.
Description
Technical Field
The invention relates to the technical field of building walls, in particular to a ceramsite concrete external wall panel.
Background
The external wall panel is made of reinforced concrete and is used for the wall panel of the external enclosure structure. The external wall panel comprises a concrete layer and a heat preservation material layer, wherein the heat preservation material layer comprises polyurethane foam plastic and fiber materials, the heat preservation material layer is positioned on the outer side of the concrete layer, a nylon rope net is arranged on the heat preservation material layer, and sand and stone are paved to enable the heat preservation material layer to be fixed on the concrete layer, so that the external wall panel is formed. After a long time, the strength of the heat preservation material layer is lower, the heat preservation material layer is easy to separate from the concrete layer, and potential safety hazards and poor heat preservation effect are caused.
Disclosure of Invention
The invention aims to provide an external wall panel, which solves the problems of potential safety hazard and poor heat preservation effect caused by easy falling of a heat preservation material layer of the traditional external wall panel.
In order to achieve the purpose, the technical scheme is adopted by the invention, the external wall panel comprises a ceramsite concrete layer, prestressed steel bars and steel meshes are arranged in the ceramsite concrete layer, the steel meshes are positioned between the prestressed steel bars, and the ceramsite concrete of the ceramsite concrete layer is doped with chopped glass fibers.
The principle and the advantages of the scheme are as follows: firstly, assembling a mould, then putting the built prestressed reinforcement into the mould, mixing the chopped glass fibers into the ceramsite concrete to uniformly mix the chopped glass fibers and the ceramsite concrete, firstly paving a layer of ceramsite concrete in the mould of the external wall panel, then placing a steel mesh on the ceramsite concrete, paving a layer of ceramsite concrete after paving the steel mesh, paving the steel mesh and the ceramsite concrete in sequence, repeating the process until the paving is completed, and curing and demoulding after the completion. The steel mesh adopts a mode of strip-shaped parallel arrangement due to the blocking of the prestressed reinforcement.
The external wall panel adopts the ceramsite concrete, and can achieve better heat preservation effect (the ceramsite concrete has much lower heat conductivity coefficient than common concrete and can achieve better heat preservation effect), the traditional polyurethane foam plastic is not needed for heat preservation, the potential safety hazard of separating a heat preservation material layer is avoided, and meanwhile, the thickness of an outer wall is greatly reduced; the ceramsite concrete has smaller density, and because the chopped glass fibers are filled, the strength of the formed external wall panel is higher, the weight of the external wall panel can be reduced, the transportation is convenient, and the required prestressed reinforcement is also reduced, the diameter of the reinforcement can be reduced, the number of the reinforcement is increased, the chopped glass fibers are doped, the weight is reduced, the restraint force of the reinforcement is increased, the overall strength of the external wall panel is improved, and the external wall panel is lighter in weight and higher in strength; the ceramsite is light and is easy to float to the upper layer to be unevenly distributed, and the ceramsite can be evenly distributed by utilizing the chopped glass fibers and the steel mesh; in addition, due to the fact that the chopped glass fibers are doped in the ceramsite concrete, the integrity of the ceramsite concrete wallboard is enhanced, and layering and falling can be avoided.
Preferably, as a modification, the number of layers of the steel mesh is at least more than one. The steel mesh is provided with a plurality of layers, so that ceramsite is distributed more uniformly, and the quality of the external wall panel is improved.
Preferably, as an improvement, the prestressed reinforcement comprises transverse reinforcement and longitudinal reinforcement, the transverse reinforcement and the longitudinal reinforcement are connected, the transverse reinforcement is arranged at intervals along a first direction, and each transverse reinforcement is perpendicular to the first direction; the longitudinal steel bars are arranged at intervals along a second direction which is at an angle with the first direction, and each transverse steel bar is perpendicular to the second direction.
Preferably, as a modification, both sides of the steel mesh are provided with chopped glass fibers. By utilizing the combination mode of the chopped glass fibers and the steel mesh, the steel mesh and the concrete form a three-dimensional connection mode instead of lamellar connection, so that the stress concentration of the concrete near the steel mesh is effectively avoided, and the strength of the external wall panel can be improved.
Preferably, as an improvement, the long side of the steel mesh is provided with a bending part. The bending resistance of the steel mesh can be improved; the bending part can be contacted with the prestressed reinforcement and other steel meshes, so that the steel meshes can not laminate ceramsite concrete, and the external wall panel can not easily fall off due to layering; meanwhile, the bending part can be connected with the prestressed reinforcement, so that the steel mesh can be conveniently paved.
Preferably, as an improvement, the cross section of the steel mesh is in a zigzag shape, and the zigzag steel mesh and the concrete form a three-dimensional connection mode instead of lamellar connection, so that the stress concentration of the concrete near the steel mesh is effectively avoided, and the strength of the external wall panel can be improved.
Preferably, as an improvement, the length of the steel mesh is equal to the width or length of the external wall panel, so that larger gaps are avoided at two ends of the steel mesh, and the influence of the floating of the ceramsite from the gaps on the quality of the external wall panel is avoided.
Preferably, as an improvement, the ceramsite concrete layer adopts a vacuumizing mode to reduce the water content, so that the floating condition of ceramsite in the concrete solidification process is slowed down.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a steel mesh according to an embodiment of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: steel mesh 1, longitudinal steel bar 2, transverse steel bar 3.
An example is substantially as shown in figures 1 and 2:
the external wall panel comprises a ceramsite concrete layer, wherein prestressed reinforcement and a steel mesh 1 are arranged in the ceramsite concrete layer.
The prestressed reinforcement comprises transverse reinforcement 3 and longitudinal reinforcement 2, wherein the transverse reinforcement 3 and the longitudinal reinforcement 2 are bound together, the transverse reinforcement 3 is distributed at intervals along a first direction, and each transverse reinforcement 3 is perpendicular to the first direction; the longitudinal bars 2 are arranged at intervals along a second direction which is at an angle to the first direction, and each transverse bar 3 is perpendicular to the second direction. The transverse bars 3 are located above the longitudinal bars 2.
The interval arrangement distance of the transverse steel bars 3 is the same as the interval arrangement distance of the longitudinal steel bars 2. The prestress steel bars can be distributed more uniformly, and the strength of the external wall panel is improved.
The steel bar further comprises longitudinal reinforcing ribs, wherein the longitudinal reinforcing ribs are positioned at two ends of the transverse steel bars 3 and fixedly connected with the transverse steel bars 3. The strengthening rib makes prestressing steel overall structure bearing capacity better, improves the intensity of side fascia.
The novel ceramic wall panel further comprises chopped glass fibers, a part of the chopped glass fibers are doped into the ceramic concrete, so that the strength of the formed external wall panel is high, the weight of the external wall panel can be reduced, the integrity of the ceramic concrete wall panel can be enhanced, and layering and falling can be avoided.
And the other part of the chopped glass fibers are placed on the upper side and the lower side of the steel mesh 1, and the steel mesh 1 and the concrete form a three-dimensional connection mode instead of lamellar connection by utilizing the combination mode of the chopped glass fibers and the steel mesh 1, so that the stress concentration of the concrete near the steel mesh 1 is effectively avoided, and the strength of the external wall panel can be improved. When the steel mesh 1 is paved, the steel mesh 1 is preferably firstly placed on ceramsite concrete, a small amount of concrete is adhered, then fibers are sprayed on two sides of the steel mesh 1, and finally the steel mesh 1 is placed at a set position in a die. This way, more fibers can move relative to the concrete during the process of placing the steel mesh 1, so as to be inserted into the meshes of the steel mesh 1, thereby forming a three-dimensional structure.
The diameters of the chopped glass fibers are smaller than the diameters of the steel mesh 1, so that the chopped glass fibers can be inserted into the steel mesh 1, and the chopped glass fibers are tightly combined with the steel mesh 1. The ceramic aggregate concrete is prevented from being distributed along the deformation direction of the steel mesh 1, so that the ceramic aggregate is not uniformly distributed; meanwhile, the chopped glass fibers are in close contact with concrete at two ends of the steel mesh 1, so that the steel mesh 1 is prevented from layering of the external wall panel.
The number of layers of steel mesh 1 exceeds one at least, and this embodiment is 3, and steel mesh 1 sets up the multilayer and can make the haydite distribute more evenly, improves the quality of side fascia.
The long side of the steel mesh 1 is provided with a bending part. The bending resistance of the steel mesh 1 can be improved; the bending part can be contacted with the prestressed reinforcement and the rest of steel mesh 1, so that the steel mesh 1 can not laminate ceramsite concrete, and the external wall panel can not easily fall off due to lamination; meanwhile, the bending part can be connected with the prestressed reinforcement, so that the steel mesh 1 can be conveniently paved.
The cross section of the steel mesh 1 is in a zigzag shape, the zigzag steel mesh 1 and the concrete form a three-dimensional connection mode instead of lamellar connection, so that the stress concentration of the concrete near the steel mesh 1 is effectively avoided, and the strength of the external wall panel can be improved.
The length of the steel mesh 1 is equal to the width or length of the external wall panel, so that larger gaps exist at two ends of the steel mesh 1, and the influence of ceramsite floating up from the gaps on the quality of the external wall panel is avoided.
The steel mesh 1 comprises a transverse steel mesh and a longitudinal steel mesh, and the transverse steel mesh and the longitudinal steel mesh are distributed among the prestressed steel bars. The transverse steel mesh and the longitudinal steel mesh are adopted, so that the distribution of the steel mesh 1 is not influenced by prestressed steel bars. The size of the transverse steel mesh and the longitudinal steel mesh is related to the distribution of the longitudinal steel bars 2 and the transverse steel bars 3. The transverse steel mesh and the longitudinal steel mesh can be arranged in parallel in a strip shape.
And removing bubbles in the ceramsite concrete layer in a vacuumizing mode. The ceramsite is light, and if a vibrating mode is adopted, the ceramsite is easy to float upwards, so that the ceramsite is unevenly distributed. The scheme adopts a vacuum extraction mode to extract bubbles in the ceramsite concrete layer, and meanwhile, the ceramsite cannot float upwards.
The specific implementation process is as follows:
firstly, assembling a mould, binding transverse reinforcing steel bars 3 and longitudinal reinforcing steel bars 2 together, putting the built prestressed reinforcing steel bars into the mould, firstly paving a layer of haydite concrete in the mould of an external wall panel, then sequentially paving short glass fibers on the haydite concrete, simultaneously dispersing part of the short glass fibers on a steel mesh 1 to enable part of the short glass fibers to pass through the steel mesh 1, then putting the steel mesh 1 on the concrete, paving a layer of haydite concrete after paving the short glass fibers and the steel mesh 1, sequentially paving the short glass fibers, the steel mesh 1 and the haydite concrete, repeating the process until the paving is finished, adopting a vacuumizing mode to extract bubbles in the haydite concrete layer, standing for forming, and curing and demoulding after the completion. Due to the blocking of the prestressed reinforcement, the steel mesh 1 is arranged in a strip-shaped parallel manner.
The external wall panel adopts the ceramsite concrete, and can achieve better heat preservation effect (the ceramsite concrete has much lower heat conductivity coefficient than common concrete and can achieve better heat preservation effect) by utilizing the ceramsite concrete, so that the traditional polyurethane foam plastic is not required for heat preservation, and the potential safety hazard of separating a heat preservation material layer is avoided; the ceramsite concrete has smaller density, and because the chopped glass fibers are filled, the strength of the formed external wall panel is higher, the weight of the external wall panel can be reduced, the transportation is convenient, and the required prestressed reinforcement is also reduced, the diameter of the reinforcement can be reduced, the number of the reinforcement is increased, the chopped glass fibers are doped, the weight is reduced, the restraint force of the reinforcement is increased, the overall strength of the external wall panel is improved, and the external wall panel is lighter in weight and higher in strength; the ceramsite is light and is easy to float to the upper layer to be unevenly distributed, the ceramsite can be evenly distributed by utilizing the chopped glass fibers and the steel mesh 1, and the steel mesh 1 and concrete form a three-dimensional connection mode instead of lamellar connection by utilizing the combination mode of the chopped glass fibers and the steel mesh 1, so that the stress concentration of the concrete near the steel mesh 1 is effectively avoided, and the strength of the external wall panel can be improved; in addition, due to the fact that the chopped glass fibers are doped in the ceramsite concrete, the integrity of the ceramsite concrete wallboard is enhanced, and layering and falling can be avoided.
The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and in the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "fixed," etc. are to be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The ceramsite concrete external wall panel is characterized by comprising a ceramsite concrete layer, wherein prestressed steel bars and steel meshes are arranged in the ceramsite concrete layer, the steel meshes are positioned between the prestressed steel bars, and the ceramsite concrete of the ceramsite concrete layer is doped with chopped glass fibers.
2. The ceramsite concrete external wall panel according to claim 1, wherein: the number of layers of the steel mesh is at least more than one.
3. The ceramsite concrete external wall panel according to claim 1, wherein: the prestressed reinforcement comprises transverse reinforcement and longitudinal reinforcement, the transverse reinforcement and the longitudinal reinforcement are connected, the transverse reinforcement is distributed at intervals along a first direction, and each transverse reinforcement is perpendicular to the first direction; the longitudinal steel bars are arranged at intervals along a second direction which is at an angle with the first direction, and each transverse steel bar is perpendicular to the second direction.
4. The ceramsite concrete external wall panel according to claim 1, wherein: chopped glass fibers are placed on two sides of the steel mesh.
5. The ceramsite concrete external wall panel according to claim 5, wherein: the long side of the steel mesh is provided with a bending part.
6. The ceramsite concrete external wall panel according to claim 1, wherein: the cross section of the steel mesh is in a folded line shape.
7. The ceramsite concrete external wall panel according to claim 1, wherein: the length of the steel mesh is equal to the width or length of the external wall panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211667701.1A CN116044082B (en) | 2022-12-23 | 2022-12-23 | Ceramsite concrete external wall panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211667701.1A CN116044082B (en) | 2022-12-23 | 2022-12-23 | Ceramsite concrete external wall panel |
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| Publication Number | Publication Date |
|---|---|
| CN116044082A true CN116044082A (en) | 2023-05-02 |
| CN116044082B CN116044082B (en) | 2024-10-29 |
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| CN202211667701.1A Active CN116044082B (en) | 2022-12-23 | 2022-12-23 | Ceramsite concrete external wall panel |
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| CN116044082B (en) | 2024-10-29 |
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