CN219138047U - Light external wall panel using high-ductility concrete - Google Patents
Light external wall panel using high-ductility concrete Download PDFInfo
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- CN219138047U CN219138047U CN202223550029.6U CN202223550029U CN219138047U CN 219138047 U CN219138047 U CN 219138047U CN 202223550029 U CN202223550029 U CN 202223550029U CN 219138047 U CN219138047 U CN 219138047U
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Abstract
The utility model discloses a light external wall panel applying high-ductility concrete, which comprises a high-ductility concrete surface layer, a heat preservation layer, a decorative surface layer, a steel pipe framework, a plurality of connecting pieces and through long ribs; the high-ductility concrete surface layer is in a groove shape, and the heat preservation layer is clamped in a space formed by the high-ductility concrete surface layer and the decorative surface layer; the steel pipe framework is arranged in the heat insulation layer; the connecting piece is a rod piece structure with an end, the end part is embedded into the high-ductility concrete surface layer, and the other end of the connecting piece is connected with the steel pipe framework; the through long rib is arranged in the heat preservation layer, is contacted with the inner surface of the high-ductility concrete surface layer and is connected with the connecting piece. The light external wallboard adopts the high-ductility concrete slab as the external blade plate, has high strength, good durability and excellent crack resistance, and can make the external blade plate as thin as possible and have light dead weight; the wall plate can meet the structural stress requirement while being small in thickness by combining the steel pipe framework and the connecting piece, and the structural stress form is simple and the comprehensive cost advantage is obvious.
Description
Technical Field
The utility model belongs to the technical field of assembled wallboards, and particularly relates to a light external wallboard applying high-ductility concrete.
Background
The assembled building is a new trend of great national popularization, has the advantages of energy conservation, environmental protection, short construction period and the like, is convenient to install, does not occupy the internal space of the structure, has good structural adhesion and performance, and can well realize the earthquake resistance of the wallboard by adopting flexible connection nodes. The problems of large self weight, low assembly efficiency, difficult transportation and the like of the existing assembly type external wall panel still exist by combining the related research at home and abroad and the current application state of the market wall panel.
CN114562068A discloses a high crack resistance, strong composite ECC reinforced concrete sandwich heat insulation wallboard, which comprises a wallboard main body composed of an inner leaf ECC reinforced layer, a heat insulation board and an outer leaf ECC reinforced layer, which are sequentially arranged, and an FRP hollow plate type connecting piece arranged in the wallboard main body, wherein two ends of the FRP hollow plate type connecting piece are respectively positioned in the inner leaf ECC reinforced layer and the outer leaf ECC reinforced layer. The inner and outer blades are made of two materials, and pouring is complex; the connecting piece (the grid type, the I-shaped and the corrugated plate) is complex to manufacture, has no partition, and is easy to form a cold-hot bridge.
CN209907671U discloses a prefabricated assembled CCA plate grouting wall, which comprises a prefabricated CCA inner wall plate, a prefabricated CCA outer wall plate, a light steel keel frame and a deformation preventing device, wherein the inner side surface and the outer side surface of the light steel keel frame are respectively fixedly connected with the CCA inner wall plate and the CCA outer wall plate. The scheme needs to perform on-site pouring of lightweight aggregate concrete, so that the construction period is easy to prolong, and the quality of the wallboard cannot be ensured in the on-site wet operation; the steel skeleton is in direct contact with the inner and outer blades, so that the heat preservation effect of the wallboard is reduced.
Disclosure of Invention
Aiming at the technical requirements, the utility model provides a light external wall panel using high-ductility concrete, which solves the problems of heavy weight, low assembly efficiency, poor heat preservation performance, difficult transportation, low durability and the like of the existing external wall panel.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
a light external wall panel using high-ductility concrete comprises a high-ductility concrete surface layer, an insulating layer, a decorative surface layer, a steel pipe framework, a plurality of connecting pieces and through long ribs; the high-ductility concrete surface layer is in a groove shape, and the heat preservation layer is clamped in a space formed by the high-ductility concrete surface layer and the decorative surface layer; the steel pipe framework is arranged in the heat insulation layer; the connecting piece is of a rod structure with an end, the end part is embedded into the high-ductility concrete surface layer, and the other end of the connecting piece is connected with the steel pipe framework; the through long rib is arranged in the heat preservation layer, and is contacted with the inner surface of the high-ductility concrete surface layer and connected with the connecting piece.
Preferably, the steel pipe framework comprises transverse steel pipes and vertical steel pipes which are in cross connection; the connecting pieces are sequentially arranged at intervals along the length direction of the transverse steel pipe; the through long ribs are parallel to the transverse steel pipes.
Preferably, the horizontal steel pipes and the vertical steel pipes are rectangular steel pipes or square steel pipes.
Preferably, the spacing between adjacent connectors distributed along the length of the same transverse steel tube is equal to the spacing between two transverse steel tubes.
Preferably, the thickness of the high-ductility concrete surface layer is 5 mm-30 mm.
Preferably, the heat insulation layer is a fireproof polystyrene heat insulation board or rock wool.
Preferably, the decorative surface layer is connected with the steel pipe framework through screws.
Further, the lightweight wallboard further comprises a wallboard connector for connecting with the beam column main body structure.
Preferably, the wallboard connector is a flat plate, the flat plate is connected to the steel pipe framework, and the flat plate is parallel to the high-ductility concrete surface layer.
Preferably, the outer surface of the high-ductility concrete surface layer is provided with a dripping structure.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The light external wallboard adopts the high-ductility concrete slab as the external blade plate, has high strength, good durability and excellent crack resistance, and can make the external blade plate as thin as possible and have light dead weight; the wall plate can meet the structural stress requirement while being small in thickness by combining the steel pipe framework and the connecting piece, and the structural stress form is simple and the comprehensive cost advantage is obvious.
(2) The connecting piece inside the light external wall panel has small contact area with the inner and outer blades, low quantity of cold and hot bridges and good heat preservation effect.
(3) The light external wall panel is prefabricated in a factory, is convenient to install on site and shortens the construction period.
(4) The light external wall panel can be directly decorated on the panel surface of the wall panel, so that the construction process is simplified, the construction period is saved, and the benefit is improved.
Additional advantages of the utility model will be set forth in the description which follows.
Drawings
Fig. 1 is a three-dimensional schematic view of a lightweight exterior wallboard according to an embodiment of the present utility model.
Fig. 2 is an elevation view of a lightweight exterior wallboard according to an embodiment of the present utility model.
Fig. 3 is a section A-A of fig. 2.
Fig. 4 is a schematic connection diagram of a connecting piece, a steel pipe framework and a through long rib of the light external wall panel according to the embodiment of the utility model.
Meaning of each reference numeral in the drawings:
1-high-ductility concrete surface layers, 2-heat preservation layers, 3-decoration surface layers, 4-steel pipe frameworks, 5-connecting pieces, 6-through long ribs, 7-wallboard connecting pieces and 8-screws;
41-transverse steel pipes and 42-vertical steel pipes.
Detailed Description
The following detailed description of the preferred embodiments of the utility model is provided, however, the utility model is not limited to the specific embodiments described below, and modifications and equivalent arrangements can be made by those skilled in the art within the scope of the appended claims, which are intended to be included within the scope of the utility model.
In the description of the utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either direct or indirect connection, etc. The specific meaning of the above terms in the present technical solution can be understood by those skilled in the art according to specific circumstances. Unless otherwise indicated, terms of orientation such as "upper, lower, bottom, top" and "inner, outer" are generally defined with reference to the drawing plane of the corresponding drawing figures and are defined with reference to the outline of the corresponding drawing figures.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular forms also are intended to include the plural forms, and furthermore, it is to be understood that the terms "comprises" and "comprising" and any variations thereof are intended to cover a non-exclusive inclusion, e.g., a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The specific embodiment of the utility model discloses a light external wall panel applying high-ductility concrete, which comprises a high-ductility concrete surface layer 1, a heat preservation layer 2, a decorative surface layer 3, a steel pipe framework 4, a plurality of connecting pieces 5 and through long ribs 6 as shown in figures 1 to 3.
The high-ductility concrete surface layer 1 is in a groove shape, and the thickness of the high-ductility concrete surface layer 1 in the embodiment is 10 mm-20 mm.
The heat preservation layer 2 is clamped in a space formed by the high-ductility concrete surface layer 1 and the decorative surface layer 3.
The steel pipe skeleton 4 is arranged in the heat preservation layer 2, and the device is mainly stressed by the steel skeleton, so the steel skeleton is preferably assembled by steel pipes.
The steel pipe skeleton 4 of this embodiment comprises horizontal steel pipe 41 and vertical steel pipe 42 that are cross connection, and a plurality of connecting pieces 5 are equidistant setting in proper order along horizontal steel pipe 41 length direction, and the interval between the adjacent connecting pieces 5 that distribute along same horizontal steel pipe 41 length direction is according to the span size of side fascia, and preferably, the interval between the adjacent connecting pieces 5 that distribute along same horizontal steel pipe 41 length direction equals the interval between two horizontal steel pipes 41, and the atress is more even.
The connecting piece 5 is a rod structure with a terminal, such as a rod body with a T-shaped section or an L-shaped rod body, specifically, a certain length of steel bars are stretched out on the steel bar framework, and steel bar sheets or cross frames are welded at the end parts of the stretched steel bars to form the connecting piece with the T-shaped section or the L-shaped section. The end portions of the connecting members 5 are buried in the high-ductility concrete surface layer 1, and the vertical rod portions are welded to the lateral steel pipes 41.
The through long rib 6 is arranged in the heat preservation layer 2 and is parallel to the transverse steel pipe 41, and the through long rib 6 is in contact with the inner surface of the high-ductility concrete surface layer 1 and welded with the connecting piece 5. The through long ribs 6 are used for bearing tensile resistance for the high-ductility concrete and preventing the high-ductility concrete from tension cracking.
The decorative surface layer 3 is connected with the transverse steel pipe 41 by self-tapping screws.
The transverse steel pipes 41 and the vertical steel pipes 42 of the present embodiment may be of a commercially available steel pipe specification, and preferably rectangular steel pipes or square steel pipes.
The high-ductility concrete of the present embodiment comprises the following basic components in parts by weight: 1 part of sand, 0.1 to 0.2 part of fly ash, 0.6 to 0.8 part of cement, 0.1 to 0.2 part of silica fume and 0.16 to 0.22 part of water, and also comprises fibers accounting for 1 to 2 percent of the volume of the basic component.
The dimensions of the steel pipe and the steel bar of the embodiment are standard specifications in the market.
The material of the heat insulating layer 2 in this embodiment is a common heat insulating material in the market, and preferably a fireproof polystyrene heat insulating board or rock wool.
Preferably, the outer surface of the high-ductility concrete pavement 1 is set to be a dripping structure to prevent rainwater on a wall body from flowing into a building to erode the building, and in particular, the upper and lower surfaces of the high-ductility concrete pavement 1 are set to be inclined surfaces parallel to each other.
As another preferred embodiment of the present utility model, in addition to the above embodiment, a wall plate connector 7 is further provided for connection with the beam column main body structure.
The wallboard connector 7 of this embodiment is a flat plate welded to the transverse steel tube 41 parallel to the high-ductility concrete facing 1.
The high-ductility concrete adopted by the utility model has the advantages of high strength, good durability and excellent crack resistance, the outer blade plate can be made as thin as possible, the wallboard can be small in thickness by combining the light steel pipe framework and the connecting piece, meanwhile, the structural stress requirement can be met, the structural stress form is simple, and the comprehensive cost advantage is obvious. In addition, the plates are not easy to crack during production, transportation and construction, the yield is high, and the post house is attractive in appearance. In the installation stage, the wallboard only needs to connect the connection point to the beam or the column, thus shortening the construction period by 25-30%, saving water by 50-60%, saving wood by about 80%, reducing construction energy consumption by about 20%, reducing construction waste by 70-80%, and obviously reducing construction dust and noise pollution.
In addition, the decoration panel does not mainly participate in the stress of the wallboard, so the decoration panel can be replaced according to indoor requirements.
Claims (10)
1. The light external wall panel using the high-ductility concrete is characterized by comprising a high-ductility concrete surface layer (1), an insulating layer (2), a decorative surface layer (3), a steel pipe framework (4), a plurality of connecting pieces (5) and through long ribs (6);
the high-ductility concrete surface layer (1) is in a groove shape, and the heat preservation layer (2) is clamped in a space formed by the high-ductility concrete surface layer (1) and the decorative surface layer (3);
the steel pipe framework (4) is arranged in the heat preservation layer (2);
the connecting piece (5) is a rod piece structure with an end, the end part is embedded into the high-ductility concrete surface layer (1), and the other end of the connecting piece is connected with the steel pipe framework (4);
the through long rib (6) is arranged in the heat preservation layer (2), and the through long rib (6) is in contact with the inner surface of the high-ductility concrete surface layer (1) and is connected with the connecting piece (5).
2. The lightweight external wall panel using high-ductility concrete according to claim 1, wherein the steel pipe skeleton (4) comprises transverse steel pipes (41) and vertical steel pipes (42) connected in a crisscross; the connecting pieces (5) are sequentially arranged at intervals along the length direction of the transverse steel pipe (41); the through long ribs (6) are parallel to the transverse steel pipes (41).
3. A lightweight external wall panel using high-ductility concrete according to claim 2, wherein the transverse steel pipes (41) and the vertical steel pipes (42) are rectangular steel pipes or square steel pipes.
4. A lightweight external wall panel using high-ductility concrete according to claim 2, characterized in that the spacing between adjacent connectors (5) distributed along the length of the same transverse steel duct (41) is equal to the spacing between two transverse steel ducts (41).
5. Lightweight external wall panel applying high-ductility concrete according to claim 1, characterized in that the thickness of the high-ductility concrete facing (1) is 5mm to 30mm.
6. Lightweight external wall panel using high-ductility concrete according to claim 1, characterized in that the insulation layer (2) is a fire-resistant polystyrene insulation board or rock wool.
7. A lightweight external wall panel using high-ductility concrete according to claim 1, characterized in that the decorative surface layer (3) is connected to the steel tube skeleton (4) by means of screws (8).
8. A lightweight exterior wallboard applying high-ductility concrete according to claim 1, further comprising wallboard connectors (7) for connection to the beam-column body structure.
9. Lightweight external wall panel using high-ductility concrete according to claim 8, characterized in that the wall panel connection (7) is a flat panel which is connected to the steel pipe skeleton (4) and which is parallel to the high-ductility concrete facing (1).
10. Lightweight external wall panel applying high-ductility concrete according to claim 1, characterized in that the external surface of the high-ductility concrete facing (1) is provided in a drip configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550029.6U CN219138047U (en) | 2022-12-27 | 2022-12-27 | Light external wall panel using high-ductility concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550029.6U CN219138047U (en) | 2022-12-27 | 2022-12-27 | Light external wall panel using high-ductility concrete |
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| Publication Number | Publication Date |
|---|---|
| CN219138047U true CN219138047U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223550029.6U Active CN219138047U (en) | 2022-12-27 | 2022-12-27 | Light external wall panel using high-ductility concrete |
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| Country | Link |
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| CN (1) | CN219138047U (en) |
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- 2022-12-27 CN CN202223550029.6U patent/CN219138047U/en active Active
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