CN217840549U - Prefabricated light external wall panel and prefabricated light external wall panel assembly - Google Patents
Prefabricated light external wall panel and prefabricated light external wall panel assembly Download PDFInfo
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- CN217840549U CN217840549U CN202221621153.4U CN202221621153U CN217840549U CN 217840549 U CN217840549 U CN 217840549U CN 202221621153 U CN202221621153 U CN 202221621153U CN 217840549 U CN217840549 U CN 217840549U
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- 239000004567 concrete Substances 0.000 claims abstract description 111
- 239000010410 layer Substances 0.000 claims abstract description 80
- 239000002344 surface layer Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 41
- 238000005187 foaming Methods 0.000 claims description 24
- 210000003195 fascia Anatomy 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 210000002435 tendon Anatomy 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 9
- 239000011247 coating layer Substances 0.000 abstract 2
- 239000003292 glue Substances 0.000 description 5
- 238000005034 decoration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000012945 sealing adhesive Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011374 ultra-high-performance concrete Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a prefabricated light external wall panel, which comprises a light concrete structure layer, a fireproof coating layer and a concrete surface layer which are arranged from inside to outside in sequence, wherein the fireproof coating layer is fixed between the light concrete structure layer and the concrete surface layer through an FRP connecting piece; at least two layers of reinforcing meshes are arranged in the lightweight concrete structure layer; and a plurality of prestressed steel bars are also arranged in the lightweight concrete structural layer and distributed between adjacent steel bar meshes. The utility model discloses an use lightweight concrete structure layer and heat preservation, make product weight lighten.
Description
Technical Field
The utility model relates to a precast concrete assembled building engineering field, in particular to prefabricated light-duty side fascia and prefabricated light-duty side fascia subassembly.
Background
The exterior wall enclosure structure is an important component of a civil building structure and mainly has the functions of enclosure, heat preservation, sound insulation, fire prevention, water prevention, exterior wall decoration and the like. The precast concrete exterior wall cladding can adopt full-automatic assembly line to produce in the mill, on the scene only need assemble can, can guarantee the quality of component for the construction progress.
The existing civil building external wall panels mainly comprise laths, whole partition boards and curtain wall boards. The ribbon board can be divided into a single material and a composite material, and has the advantages of small size and light weight; the whole wallboard can be combined with other materials to have the functions of heat preservation and heat insulation, and a facing can be formed by adopting a reverse beating process; the curtain wall board is used as an outer wall of a building and mainly plays a role in decoration. However, the following disadvantages also exist:
1. the whole wallboard has the problems of heavy weight, complex production and manufacture, inconvenient transportation, incapability of realizing batch production and the like.
2. The lath has small size and light weight, but has a plurality of seams and poor waterproof sealing effect.
3. The curtain wall plate usually uses UHPC material, and the cost is relatively higher, and application scope is less.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a prefabricated light-duty side fascia and prefabricated light-duty side fascia subassembly makes product weight lighten through using lightweight concrete structure layer and heat preservation.
The utility model discloses a realize above-mentioned technical purpose through following technological means.
A prefabricated light external wall panel comprises a light concrete structure layer, a heat insulation layer and a concrete surface layer which are sequentially arranged from inside to outside, wherein the heat insulation layer is fixed between the light concrete structure layer and the concrete surface layer through an FRP connecting piece; at least two layers of reinforcing meshes are arranged in the lightweight concrete structure layer; and a plurality of prestressed steel bars are also arranged in the lightweight concrete structural layer and are distributed between adjacent steel bar meshes.
Furthermore, a plurality of prestressed reinforcements are distributed between adjacent reinforcement meshes along the length direction of the lightweight concrete structure layer.
Further, a steel wire mesh is arranged in the concrete surface layer.
Further, the concrete strength grade in the lightweight concrete structure layer is not lower than LC35, and the concrete strength grade in the concrete surface layer is not lower than C25.
Furthermore, the heat-insulating layer is made of fireproof material not lower than B1 level and has volume weight<50kg/m 3 。
Furthermore, the outer side of the concrete surface layer is provided with decorative patterns or the concrete surface layer is a bare concrete surface layer or the outer side of the concrete surface layer is also provided with a ceramic tile or stone facing.
Furthermore, a hoisting structure is pre-embedded on the external wall panel, one end of the hoisting structure is pre-embedded in the lightweight concrete structure layer, the other end of the hoisting structure is lower than the outer surface of the lightweight concrete structure layer, and the hoisting structure is used for installing a lifting appliance.
Furthermore, two ends of the heat-insulating layer are respectively matched with two-end tongue-and-grooves of the concrete surface layer.
A prefabricated light external wall panel component is formed by assembling a plurality of prefabricated light external wall panels.
Furthermore, one end of the concrete surface layer in the length direction is provided with a concave tongue-and-groove, and the other end of the concrete surface layer in the length direction is provided with a convex tongue-and-groove for assembling the adjacent external wall panels.
Furthermore, a sealing assembly is arranged between any prefabricated light external wall panel and the adjacent prefabricated light external wall panel.
Further, the sealing assembly comprises a first sealing unit, and the first sealing unit is positioned between the adjacent concrete surface layers.
Further, the first sealing unit comprises a sealing adhesive and a foaming rod, the foaming rod is filled between the adjacent concrete surface layers, and the sealing adhesive is located on the outer side of the foaming rod.
Further, the sealing assembly further comprises a second sealing unit, and the second sealing unit is located between the adjacent lightweight concrete structural layers.
Further, adjacent lightweight concrete structural layer on be equipped with corresponding recess respectively, second sealed unit includes the airtight strip of foaming, the airtight strip of foaming is located adjacent lightweight concrete structural layer's recess between.
The beneficial effects of the utility model reside in that:
1. prefabricated light-duty side fascia, alleviateed the weight of side fascia through using lightweight concrete structure layer and heat preservation, in order to guarantee the intensity of side fascia simultaneously, be equipped with two at least layers of reinforcing bar net through lightweight concrete structure in situ and increase mechanical properties.
2. Prefabricated light-duty side fascia, through still be equipped with a plurality of prestressed reinforcement in the light concrete structure layer, it is a plurality of prestressed reinforcement distributes between adjacent reinforcing bar net, through a plurality of prestressed reinforcement distributes between adjacent reinforcing bar net along light concrete structure layer length direction, applys prestressing force at the structural layer through prestressed reinforcement, has guaranteed the rigidity of light concrete structure layer.
3. Prefabricated light-duty side fascia, collect function such as heat preservation, fire prevention, decoration and enclosure as an organic whole to product heat preservation, fire behavior have been improved.
4. Prefabricated light-duty exposed wall panel components, one end through concrete surface course length direction is equipped with concave tongue-and-groove, concrete surface course length direction's the other end is equipped with protruding tongue-and-groove, can make things convenient for the assembly of exposed wall panel.
5. Prefabricated light-duty side fascia subassembly, it is adjacent to be located through first sealed unit the concrete surface between, the sealed unit of second is located adjacently the lightweight concrete structure layer between, leak protection problem between can effectual solution side fascia.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described below, and the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the cross section of the prefabricated light external wall panel of the present invention.
Fig. 2 is the front view of the prefabricated light external wall panel of the utility model.
Fig. 3 is the installation schematic diagram of the FRP connector of the present invention.
Figure 4 is the heat preservation both ends and concrete surface course cooperation sketch map.
Fig. 5 is a schematic diagram illustrating the embedment of the threaded sleeve according to the present invention.
Fig. 6 is a schematic view of a sealing structure of embodiment 1 of the prefabricated light exterior wall panel assembly of the present invention.
Fig. 7 is the sealing structure schematic diagram of embodiment 2 of the prefabricated light-duty exterior wall panel assembly of the utility model.
In the figure:
1-concrete surface course; 2-insulating layer; 3-a lightweight concrete structural layer; 4-reinforcing mesh; 5-prestressed reinforcement; 6-steel wire mesh sheets; 7-a threaded sleeve; 8-sealing glue; 9-a foaming bar; 10-a groove; 11-foaming airtight strips; 12-FRP connectors; 13-concave tongue-and-groove; 14-convex tongue-and-groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the scope of the invention is not limited thereto.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and 3, the prefabricated light external wall panel of the present invention comprises a light concrete structure layer 3, a heat insulation layer 2 and a concrete surface layer 1, which are sequentially arranged from inside to outside, wherein the heat insulation layer 2 is fixed between the light concrete structure layer 3 and the concrete surface layer 1 through an FRP connector 12; at least two layers of reinforcing mesh 4 are arranged in the lightweight concrete structure layer 3. Prefabricated light-duty side fascia, through using lightweight concrete structure layer 3 and heat preservation 2 to alleviate the weight of side fascia, be equipped with two at least layers reinforcing bar net 4 increase mechanical properties in the lightweight concrete structure layer 3.
As shown in fig. 1 and 2, in order to reduce the weight and ensure the rigidity of the lightweight concrete structural layer, a plurality of prestressed steel bars 5 are further disposed in the lightweight concrete structural layer 3, and a plurality of prestressed steel bars 5 are distributed between adjacent steel mesh reinforcements 4. And a plurality of prestressed steel bars 5 are distributed between the adjacent steel bar meshes 4 along the length direction of the lightweight concrete structural layer 3. The lightweight concrete structure layer 3 is made of high-strength lightweight aggregate concrete, and the strength grade is not lower than LC35. The concrete surface layer 1 is a bare concrete surface layer, and the concrete strength grade in the concrete surface layer 1 is not lower than C25. And a steel wire mesh 6 is arranged in the concrete surface layer 1. The steel wire mesh 6 is an anti-cracking steel wire mesh with the diameter of 4mm and the grid size of 100 multiplied by 100.
The heat-insulating layer 2 is made of fireproof material not lower than B1 level in volume weight<50kg/m 3 Generally, a polyurethane foam insulation board is selected, so that insulation can be realized, and fire can be prevented.
In order to realize the beauty and meet the requirements of different customers, the outer side of the concrete surface layer 1 is provided with decorative patterns.
For the convenience of the hoisting of prefabricated light-duty side fascia, pre-buried threaded sleeve 7 on the side fascia, 7 one end of threaded sleeve is pre-buried in lightweight concrete structure layer 3, threaded sleeve 7 is used for installing the hoist, as shown in fig. 5.
As shown in fig. 6, two ends of the insulating layer 2 are respectively matched with the tongue-and-grooves at two ends of the concrete surface layer 1, so that construction is convenient, and the insulating layer 2 is convenient to lay.
The main manufacturing process of the prefabricated light external wall panel is as follows: (1) paving a steel wire mesh sheet 6 of the concrete surface layer 1; (2) pouring bare concrete; (3) laying an insulating layer 2, inserting an FRP connecting piece 12, inserting the FRP connecting piece 12 into the insulating layer 2 in advance, and then placing the insulating layer 2 on the concrete pattern surface layer 1; (4) laying a first layer of reinforcing mesh 4 of the lightweight concrete structural layer 3; (5) penetrating the prestressed reinforcement 5 and tensioning; (6) laying a second layer of reinforcing mesh 4 on the top layer; (7) pouring high-strength lightweight concrete; (8) and (5) maintaining and releasing the sheets.
Prefabricated light-duty side fascia subassembly, through a plurality of prefabricated light-duty side fascia assembly form. One end of the concrete surface layer 1 in the length direction is provided with a concave tongue-and-groove 13, and the other end of the concrete surface layer 1 in the length direction is provided with a convex tongue-and-groove 14 for assembling the adjacent external wall panels, as shown in fig. 4. The concave rabbet 13 at one end of the concrete surface layer 1 in the length direction is matched with the convex rabbet 14 at the other end of the concrete surface layer 1 of the adjacent external wall panel in the length direction.
As shown in fig. 6, a sealing assembly is arranged between adjacent prefabricated light external wall panels in the length direction, and the sealing assembly comprises a first sealing unit and a second sealing unit, the first sealing unit is located at the joint of a concave tongue-and-groove 13 and a convex tongue-and-groove 14 of the adjacent concrete surface layer 1, and the second sealing unit is located between the adjacent light concrete structure layers 3. The first sealing unit comprises a sealing glue 8 and a foaming rod 9, the foaming rod 9 is filled between the adjacent concrete surface layers 1, and the sealing glue 8 is located on the outer side of the foaming rod 9. The adjacent lightweight concrete structure layer 3 is provided with corresponding grooves 10, the second sealing unit comprises a foaming airtight strip 11, and the foaming airtight strip 11 is positioned between the adjacent grooves 10 of the lightweight concrete structure layer 3. The foaming rod 9 is a foaming polyethylene rod, the sealant 8 is a building sealing strip, and the foaming airtight strip 11 is a foaming chloroprene rubber airtight strip.
As shown in fig. 7, a sealing assembly is arranged between adjacent prefabricated lightweight external wall panels in the width direction, and the sealing assembly comprises a first sealing unit and a second sealing unit, wherein the first sealing unit is arranged between adjacent concrete surface layers 1, and the second sealing unit is arranged between adjacent lightweight concrete structure layers 3. The first sealing unit comprises a sealing glue 8 and a foaming rod 9, the foaming rod 9 is filled between the adjacent concrete surface layers 1, and the sealing glue 8 is located on the outer side of the foaming rod 9. The adjacent lightweight concrete structure layer 3 is provided with corresponding grooves 10, the second sealing unit comprises a foaming airtight strip 11, and the foaming airtight strip 11 is positioned between the adjacent grooves 10 of the lightweight concrete structure layer 3.
It should be understood that although the specification has been described in terms of various embodiments, not every embodiment includes every single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole can be combined as appropriate to form additional embodiments as will be apparent to those skilled in the art.
The above-listed detailed description is only a specific description of possible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention should be included within the scope of the present invention.
Claims (15)
1. The prefabricated light external wall panel is characterized by comprising a light concrete structure layer (3), a heat insulation layer (2) and a concrete surface layer (1) which are sequentially arranged from inside to outside, wherein the heat insulation layer (2) is fixed between the light concrete structure layer (3) and the concrete surface layer (1) through an FRP (fiber reinforce plastic) connecting piece (12); at least two layers of reinforcing mesh (4) are arranged in the lightweight concrete structure layer (3); still be equipped with a plurality of prestressing tendons (5) in lightweight concrete structure layer (3), a plurality of prestressing tendons (5) distribute between adjacent reinforcing bar net (4).
2. The prefabricated light-weight external wall panel as claimed in claim 1, wherein a plurality of prestressed reinforcement bars (5) are distributed between adjacent reinforcement meshes (4) along the length direction of the lightweight concrete structural layer (3).
3. Prefabricated light-weight side fascia according to claim 1, wherein the concrete surface layer (1) is provided with a steel mesh sheet (6).
4. The prefabricated light-weight external wall panel as claimed in claim 1, wherein the concrete strength grade in the light-weight concrete structural layer (3) is not lower than LC35, and the concrete strength grade in the concrete surface layer (1) is not lower than C25.
5. The prefabricated light-weight external wall panel as claimed in claim 1, wherein the material of the heat-insulating layer (2) is not less than B1-grade fireproof material and has volume weight<50kg/m 3 。
6. The prefabricated light-weight external wall panel as claimed in claim 1, wherein the outer surface of the concrete surface layer (1) is provided with a decorative pattern or the concrete surface layer (1) is a fair-faced concrete surface layer or the outer surface of the concrete surface layer (1) is further provided with a ceramic tile or stone facing.
7. The prefabricated light-weight external wall panel as claimed in claim 1, wherein a hoisting structure is embedded in the external wall panel, one end of the hoisting structure is embedded in the lightweight concrete structural layer (3), the other end of the hoisting structure is lower than or flush with the outer surface of the lightweight concrete structural layer, and the hoisting structure is used for installing a lifting appliance.
8. The prefabricated light-weight external wall panel as claimed in any one of claims 1 to 7, wherein both ends of the insulating layer (2) are respectively matched with the tongue-and-groove at both ends of the concrete surface layer (1).
9. A prefabricated lightweight exterior wall panel assembly characterized by being assembled by a plurality of the prefabricated lightweight exterior wall panels as set forth in any one of claims 1 to 8.
10. The prefabricated light weight exterior wall panel assembly of claim 9, wherein one end of the concrete face layer (1) in a length direction is provided with a concave rabbet (13), and the other end of the concrete face layer (1) in the length direction is provided with a convex rabbet (14) for assembling adjacent exterior wall panels.
11. The prefabricated lightweight exterior wall panel assembly of claim 9, wherein a sealing assembly is provided between any one of the prefabricated lightweight exterior wall panels and its adjacent prefabricated lightweight exterior wall panel.
12. The prefabricated light panel assembly of claim 11 wherein said sealing assembly includes a first sealing unit between adjacent concrete facings (1).
13. The prefabricated light panel assembly of claim 12, wherein the first sealing unit comprises a sealant (8) and a foaming rod (9), the foaming rod (9) is filled between adjacent concrete facings (1), and the sealant (8) is located outside the foaming rod (9).
14. The prefabricated lightweight exterior wall panel assembly of claim 11, wherein said sealing assembly further comprises a second sealing unit, said second sealing unit being located between adjacent said lightweight concrete structural layers (3).
15. The prefabricated light-weight exposed wall panel assembly according to claim 14, wherein corresponding grooves (10) are respectively formed on adjacent lightweight concrete structural layers (3), and the second sealing unit comprises a foamed airtight strip (11), and the foamed airtight strip (11) is positioned between the grooves (10) of the adjacent lightweight concrete structural layers (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621153.4U CN217840549U (en) | 2022-06-27 | 2022-06-27 | Prefabricated light external wall panel and prefabricated light external wall panel assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221621153.4U CN217840549U (en) | 2022-06-27 | 2022-06-27 | Prefabricated light external wall panel and prefabricated light external wall panel assembly |
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| CN217840549U true CN217840549U (en) | 2022-11-18 |
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| CN202221621153.4U Active CN217840549U (en) | 2022-06-27 | 2022-06-27 | Prefabricated light external wall panel and prefabricated light external wall panel assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120139498A (en) * | 2025-03-26 | 2025-06-13 | 北京建工国际建设工程有限责任公司 | A method for counter-pressing construction of facing stone for prefabricated prestressed components |
-
2022
- 2022-06-27 CN CN202221621153.4U patent/CN217840549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120139498A (en) * | 2025-03-26 | 2025-06-13 | 北京建工国际建设工程有限责任公司 | A method for counter-pressing construction of facing stone for prefabricated prestressed components |
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