Composite autoclaved aerated lath construction and energy-saving wall body comprising the same

Abstract

This utility model discloses a composite autoclaved aerated concrete (AAC) panel structure and an energy-saving wall system comprising it. The composite AAC panel structure includes an AAC panel and a high-efficiency insulation layer. The high-efficiency insulation layer is a composite insulation mortar containing expandable polystyrene particles or a foamed polyurethane material. The AAC panel is used as a base mold for pouring the high-efficiency insulation layer onto the AAC panel, followed by curing to connect the high-efficiency insulation layer to one or both sides of the AAC panel. This ensures that the high-efficiency insulation layer and the AAC panel are cast and bonded together, effectively preventing detachment and greatly improving the safety and stability of the composite AAC panel structure. The high-efficiency insulation layer, being a composite insulation mortar containing expandable polystyrene particles or a foamed polyurethane material, is flame-retardant and fireproof while also providing excellent insulation performance, ensuring both the insulation and fire resistance of the composite AAC panel structure.

Description

Technical Field

[0001] This utility model relates to a composite autoclaved aerated concrete panel structure and an energy-saving wall including the same. Background Technology

[0002] Autoclaved aerated concrete (AAC) panels, a rising star among new wall materials, have experienced rapid growth in recent years, gradually replacing traditional wall construction materials such as clay bricks and solid bricks, becoming the mainstream choice in the wall material field. Compared with traditional wall materials, AAC panels have many unparalleled advantages: industrialized production ensures high product quality stability and reliability; their large size and lightweight characteristics greatly facilitate construction operations, significantly shortening the construction cycle, effectively reducing labor costs, and improving overall construction efficiency. However, AAC panels are not without their flaws; their thermal insulation performance is somewhat insufficient in the face of increasingly stringent building energy conservation requirements. Especially in cold regions or building projects with extremely high energy conservation requirements, simply using AAC panels to construct walls is no longer sufficient to meet the corresponding energy conservation standards.

[0003] Against this backdrop, the market actively explored solutions, giving rise to innovative products that combine insulation boards with superior thermal insulation properties with ALC strips—composite ALC strips. This composite method mainly includes two types: pre-embedded and post-attached. While the pre-embedded method can tightly bond the insulation board and ALC strip during production, the need to cover the insulation board with aerated concrete on all six sides inevitably leads to thermal bridging around the edges of the board. This creates a significant "gap" in insulation performance, severely impacting the final energy-saving performance of the wall.

[0004] The subsequent adhesive method takes a different approach: after the ALC panels are installed, the prefabricated insulation board is then glued on top. While this method avoids the thermal bridging problem, it introduces a potential vulnerability in the bonding reliability between the multiple layers. Over long-term use, the adhesive layer may gradually lose its adhesion due to various factors, leading to frequent delamination and detachment. This not only affects the aesthetics of the wall but also poses a potential threat to building safety. These problems undoubtedly cast a shadow over the further promotion and application of ALC panels, a building material with great potential.

[0005] Based on the numerous advantages of ALC panels, such as fire resistance, heat insulation, green environmental protection, pollution-free production, and controllable quality through factory prefabrication, developing new composite ALC panel production and construction technologies to overcome the problems in existing technologies has become an important topic for the building materials industry to help save energy in buildings. Utility Model Content

[0006] The purpose of this utility model is to overcome the above-mentioned shortcomings of the existing materials. This utility model provides a composite autoclaved aerated concrete panel structure and an energy-saving wall including the same.

[0007] This utility model is achieved through the following technical solution:

[0008] A composite autoclaved aerated concrete (AAC) panel structure includes an AAC panel and a high-efficiency insulation layer. The high-efficiency insulation layer is a composite insulation slurry containing expandable polystyrene particles or a foamed polyurethane material. The AAC panel is used as a base mold for spreading, and the high-efficiency insulation layer is poured onto the AAC panel and then cured to form a structure, so that the high-efficiency insulation layer is connected to one or both sides of the AAC panel.

[0009] Furthermore, the composite autoclaved aerated concrete (AAC) panel structure also includes reinforcing components, which are embedded within the high-efficiency insulation layer.

[0010] Furthermore, the reinforcing component includes reinforcing ribs, reinforcing mesh, or reinforcing mesh frame;

[0011] And / or, the reinforcing component is made of metal, glass fiber, or fiber-reinforced composite material.

[0012] Furthermore, the composite autoclaved aerated concrete (AAC) bar structure also includes a plurality of connecting tie members, all of which are connected to the reinforcing member and to the autoclaved aerated concrete (AAC) bar.

[0013] Furthermore, the connecting tie includes a connecting rod and two limiting parts. The connecting rod passes through the autoclaved aerated concrete bar and extends into the high-efficiency insulation layer and through the reinforcing member. The two limiting parts are respectively connected to the two ends of the connecting rod and are positioned on the side of the autoclaved aerated concrete bar and the reinforcing member.

[0014] Furthermore, the composite autoclaved aerated concrete (AAC) panel structure also includes a protective layer, which is connected to the side of the high-efficiency insulation layer facing away from the AAC panel.

[0015] Furthermore, several of the connecting tie members extend through the high-efficiency insulation layer and are connected to the protective layer;

[0016] And / or, the protective layer is a calcium silicate board;

[0017] And / or, the protective layer includes mortar and fiberglass mesh, wherein the mortar is connected to the high-efficiency insulation layer and the fiberglass mesh is embedded in the mortar.

[0018] Furthermore, the autoclaved aerated concrete bar has an inwardly recessed connecting groove on the side facing the high-efficiency insulation layer.

[0019] Furthermore, an interface agent layer is provided between the autoclaved aerated concrete bar and the high-efficiency insulation layer.

[0020] An energy-saving wall structure comprising the composite autoclaved aerated concrete panel structure as described above.

[0021] The beneficial effects of this utility model are as follows:

[0022] This utility model discloses a composite autoclaved aerated concrete (AAC) panel structure and an energy-saving wall system incorporating it. The AAC panel serves as the base mold for laying, followed by the pouring of a high-efficiency insulation layer onto the AAC panel. This ensures a seamless connection between the high-efficiency insulation layer and the AAC panel, effectively preventing detachment and significantly improving the safety and stability of the composite AAC panel structure. Furthermore, the high-efficiency insulation layer is either a composite insulation mortar containing expandable polystyrene particles or a foamed polyurethane material, offering flame retardancy and fire resistance while maintaining excellent insulation performance, thus guaranteeing both the thermal insulation and fire resistance of the composite AAC panel structure. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the internal structure of the composite autoclaved aerated concrete bar in Embodiment 1 of this utility model.

[0024] Figure 2 This is a schematic diagram of the internal structure of the composite autoclaved aerated concrete bar plate in Embodiment 2 of this utility model.

[0025] Figure 3 This is a schematic diagram of the internal structure of the composite autoclaved aerated concrete bar in Embodiment 3 of this utility model.

[0026] Figure 4 This is a schematic diagram of the internal structure of the composite autoclaved aerated concrete bar in Embodiment 4 of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] Autoclaved aerated concrete (AAC) plate 1

[0029] Connection slot 11

[0030] High-efficiency insulation layer 2

[0031] Reinforced component 3

[0032] Connecting tie 4

[0033] Connecting rod 41

[0034] Limiting part 42

[0035] Topcoat 5

[0036] Interface agent layer 6 Detailed Implementation

[0037] The following description of the embodiments is with reference to the accompanying drawings, which illustrate specific embodiments in which the present invention can be implemented.

[0038] Example 1

[0039] This embodiment discloses an energy-saving wall structure, which includes a composite autoclaved aerated concrete (AAC) panel structure. For example... Figure 1 As shown, the composite autoclaved aerated concrete (AAC) panel structure includes an AAC panel 1 and a high-efficiency insulation layer 2. The high-efficiency insulation layer 2 is a composite insulation slurry containing expandable polystyrene particles or a foamed polyurethane material. The AAC panel 1 serves as the base mold for spreading, and the high-efficiency insulation layer 2 is poured onto the AAC panel 1 and then cured to form a bond between the high-efficiency insulation layer 2 and one side of the AAC panel 1. During the manufacturing process, the AAC panel 1 is first manufactured, then spread using the AAC panel 1 as the base mold, and finally the raw material for the high-efficiency insulation layer 2 is poured onto the AAC panel 1. This ensures that the shaped high-efficiency insulation layer 2 and the AAC panel 1 are cast together with high strength, effectively preventing detachment and significantly improving the safety and stability of the composite AAC panel structure. Meanwhile, the high-efficiency insulation layer 2 is a composite insulation slurry containing expandable polystyrene particles or a foamed polyurethane material. It is connected to one side of the autoclaved aerated concrete panel 1 through the high-efficiency insulation layer 2, which is flame-retardant and fireproof, and can also take into account the excellent insulation effect, thus ensuring the insulation and fireproof performance of the composite autoclaved aerated concrete panel structure.

[0040] In this embodiment, the autoclaved aerated concrete (AAC) panel 1 is used as the base mold for spreading, and the high-efficiency insulation layer 2 is poured onto the AAC panel 1 and then cured. This eliminates or significantly reduces the need for anchors connecting the AAC panel 1 and the high-efficiency insulation layer 2, effectively avoiding thermal bridging. Simultaneously, the raw materials for the high-efficiency insulation layer 2 are poured onto the AAC panel 1, which is spread using the AAC panel 1 as the base mold. This ensures a stable and reliable connection between the bottom surface of the high-efficiency insulation layer 2 and the side surface of the AAC panel 1. The top surface of the high-efficiency insulation layer 2 is flat, eliminating the need for leveling on the outer surface of the high-efficiency insulation layer 2 away from the AAC panel 1, thus reducing the overall thickness and weight of the energy-saving wall and lowering costs.

[0041] A tongue-and-groove joint is provided at the top and / or bottom of the composite autoclaved aerated concrete (AAC) panel structure, either protruding outwards or recessed inwards. This allows adjacent AAC panels to be connected via the tongue-and-groove joint, enhancing the waterproofing at the joints and preventing rainwater leakage. In this embodiment, both the top and bottom of the AAC panel 1 have tongue-and-groove joints. When multiple AAC panels 1 are used as a base formwork, adjacent panels are connected via these joints. The raw material for the high-efficiency insulation layer 2 is then poured onto the AAC panel 1 and cured. This allows the high-efficiency insulation layer 2 to adhere to the sides of the AAC panel 1. The tongue-and-groove joint prevents the raw material of the high-efficiency insulation layer 2 from flowing down through the gaps between the panels. Furthermore, tongue-and-groove joints can be provided at all four ends of the AAC panel 1.

[0042] Example 2

[0043] like Figure 2 As shown, the parts of the composite autoclaved aerated concrete (AAC) panel structure in Embodiment 2 that are the same as those in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 1, there is one high-efficiency insulation layer 2 connected to one side of the AAC panel 1. In Embodiment 2, there are two high-efficiency insulation layers 2, which are respectively connected to both sides of the AAC panel 1, further enhancing the insulation effect of the composite AAC panel structure. When the composite AAC panel structure is prefabricated in the factory, the AAC panel 1 is first used as the base mold for spreading. Then, the raw material of the high-efficiency insulation layer 2 is poured onto the AAC panel 1. After curing and shaping, the high-efficiency insulation layer 2 is connected to one side of the AAC panel 1 to form a whole. Then, the whole is flipped over and the raw material of the high-efficiency insulation layer 2 is poured in. After curing and shaping, the two high-efficiency insulation layers 2 are connected to both sides of the AAC panel 1.

[0044] In this embodiment 2, the composite autoclaved aerated concrete (AAC) panel structure also includes a reinforcing component 3, which is embedded within the high-efficiency insulation layer 2. The reinforcing component 3 provides reinforcement. First, the AAC panel 1 is laid as the base mold. Then, the raw materials of the high-efficiency insulation layer 2 are poured onto the AAC panel 1. Afterward, the reinforcing component 3 is pre-embedded within the high-efficiency insulation layer 2, making the AAC panel 1, the high-efficiency insulation layer 2, and the reinforcing component 3 a unified whole. The reinforcing component 3 enhances the strength of the composite AAC panel structure, significantly improving its stability.

[0045] The reinforcing component 3 may include reinforcing ribs, which are installed within the high-efficiency insulation layer 2 for easy installation. The reinforcing component 3 may also include a reinforcing mesh, specifically a mesh-like structure composed of vertical and horizontal reinforcing ribs. The reinforcing component 3 may also include a reinforcing mesh frame, specifically a mesh frame-like structure composed of vertical, horizontal, and diagonally oriented reinforcing ribs forming a reinforcing mesh cage.

[0046] In this embodiment 2, the reinforcing component 3 can be made of metal, and a metal reinforcing component 3 can ensure its reinforcing effect. The reinforcing component 3 can also be made of glass fiber or fiber-reinforced composite material, that is, the reinforcing component 3 can be made of high-strength thermal insulation materials such as glass fiber or FRP (Fiber Reinforced Polymer / Plastic), which effectively improves the stability of the composite autoclaved aerated concrete panel structure; at the same time, it avoids thermal bridging.

[0047] Example 3

[0048] like Figure 3 As shown, the parts of the composite autoclaved aerated concrete (AAC) panel structure in Embodiment 3 that are the same as those in Embodiment 1 will not be repeated; only the differences will be explained. In Embodiment 3, the composite AAC panel structure also includes a reinforcing component 3, which is embedded in the high-efficiency insulation layer 2. The reinforcing component 3 enhances the strength of the composite AAC panel structure, greatly improving its stability.

[0049] In this embodiment 3, the composite autoclaved aerated concrete (AAC) panel structure also includes several connecting fasteners 4. These connecting fasteners 4 are all connected to the reinforcing member 3 and to the autoclaved aerated concrete (AAC) panel 1. The reinforcing member 3 within the high-efficiency insulation layer 2 and the AAC panel 1 are reliably connected through these connecting fasteners 4, effectively improving the overall integrity of the high-efficiency insulation layer 2. Simultaneously, this strengthens the connection between the high-efficiency insulation layer 2 and the AAC panel 1, enhancing the structural integrity, preventing delamination, effectively avoiding falls, and significantly improving the safety and stability of the energy-saving wall.

[0050] Specifically, the connecting tie member 4 includes a connecting rod 41 and two limiting parts 42. The connecting rod 41 passes through the autoclaved aerated concrete (AAC) plate 1, extends into the high-efficiency insulation layer 2, and passes through the reinforcing member 3. The two limiting parts 42 are respectively connected to both ends of the connecting rod 41 and are positioned on the side of the AAC plate 1 and the reinforcing member 3. By having the two limiting parts 42 abut against the side of the AAC plate 1 facing away from the high-efficiency insulation layer 2 and the side of the reinforcing member 3 facing away from the AAC plate 1, the AAC plate 1 and the reinforcing member 3 are clamped and fixed, further strengthening the connection strength between the AAC plate 1 and the high-efficiency insulation layer 2, effectively preventing detachment, and greatly improving the safety and stability of the composite AAC plate structure. At the same time, the overall structure is simple and easy to use. The limiting parts 42 can be threaded or welded to the connecting rod 41; the specific connection method is not limited.

[0051] In this embodiment 3, the autoclaved aerated concrete (AAC) panel 1 has an inwardly recessed connecting groove 11 on the side facing the high-efficiency insulation layer 2. During pouring, the high-efficiency insulation layer 2 flows into the connecting groove 11. The connecting groove 11 effectively increases the connection area between the high-efficiency insulation layer 2 and the AAC panel 1, effectively strengthening the connection between them, further enhancing the overall structural connection strength of the composite AAC panel structure, effectively preventing falls, and greatly improving the safety and reliability of the energy-saving wall.

[0052] Example 4

[0053] like Figure 4 As shown, the parts of the composite autoclaved aerated concrete (AAC) panel structure in this embodiment 4 that are the same as those in embodiment 1 will not be repeated; only the differences will be explained. In this embodiment 4, there are two high-efficiency insulation layers 2, which are respectively connected to both sides of the autoclaved aerated concrete (AAC) panel 1 to further enhance the insulation effect of the composite autoclaved aerated concrete (AAC) panel structure.

[0054] In this embodiment 4, both sides of the autoclaved aerated concrete (AAC) plate 1 are provided with inwardly recessed connecting grooves 11. The high-efficiency insulation layers 2 on both sides of the AAC plate 1 will flow into the connecting grooves 11 during casting. The connecting grooves 11 can effectively increase the connection area between the high-efficiency insulation layers 2 and the AAC plate 1, and effectively strengthen the connection strength between the AAC plate 1 and the high-efficiency insulation layers 2 on both sides.

[0055] In this embodiment 4, an interface agent layer 6 is provided between the autoclaved aerated concrete (AAC) panel 1 and the high-efficiency insulation layer 2. The interface agent layer 6 enhances the adhesion between the AAC panel 1 and the high-efficiency insulation layer 2, further strengthening the overall structural connection of the composite AAC panel structure, effectively preventing falls, and greatly improving the safety and reliability of the energy-saving wall. The interface agent layer 6 can be applied to the surface of the AAC panel 1 by brushing or spraying.

[0056] The composite autoclaved aerated concrete (AAC) panel structure also includes a facing layer 5, which is connected to the side of the high-efficiency insulation layer 2 facing away from the autoclaved aerated concrete (AAC) panel 1. In this embodiment 4, there are two facing layers 5, each connected to the side of one of the two high-efficiency insulation layers 2 facing away from the autoclaved aerated concrete (AAC) panel 1. The facing layer 5 provides enhanced protection, ensuring the good functionality of the energy-saving wall.

[0057] In this embodiment 4, the protective layer 5 includes mortar and fiberglass mesh. The mortar is connected to the high-efficiency insulation layer 2, and the fiberglass mesh is embedded in the mortar. The mesh arrangement in the mortar can enhance the overall structural strength of the protective layer 5, and the mortar is used for leveling and protection. Preferably, the mortar can be a polymer crack-resistant mortar.

[0058] Of course, in other embodiments, the protective layer 5 can also be a calcium silicate board to further enhance the fire resistance of the composite autoclaved aerated concrete (AAC) panel structure and eliminate fire hazards. The protective layer 5 can also be other rigid materials.

[0059] Several connecting tie members 4 penetrate through the high-efficiency insulation layer 2 and connect to the protective layer 5. Specifically, the protective layer 5 is a rigid material with sufficient self-weight strength. In the connecting tie members 4, a connecting rod 41 passes through the autoclaved aerated concrete (AAC) plate 1, the high-efficiency insulation layer 2, and the protective layer 5. Two limiting parts 42 abut against the opposite sides of the autoclaved aerated concrete (AAC) plate 1 and the protective layer 5, thereby clamping and fixing the autoclaved aerated concrete (AAC) plate 1, the high-efficiency insulation layer 2, and the protective layer 5. This further strengthens the connection strength between the autoclaved aerated concrete (AAC) plate 1, the high-efficiency insulation layer 2, and the protective layer 5, effectively preventing detachment and greatly improving the safety and stability of the composite autoclaved aerated concrete (AAC) plate structure.

[0060] The composite autoclaved aerated concrete (AAC) panel structure may also include a finishing layer, which is connected to the outer side of the protective layer 5. Specifically, the finishing layer is connected to the side of the protective layer 5 facing away from the high-efficiency insulation layer 2. The finishing layer is used to protect the wall, beautify the building, and meet usage requirements. The material of the finishing layer can be paint, ceramic tile, stone, metal sheet, or UHPC. When the finishing layer material is UHPC, a reinforcing mesh structure is added inside the finishing layer. This reinforcing mesh structure effectively strengthens the structural strength of the finishing layer, greatly improving the stability of the energy-saving wall.

[0061] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A composite autoclaved aerated concrete (AAC) strip structure, characterized in that, It includes an autoclaved aerated concrete (AAC) panel and a high-efficiency insulation layer. The high-efficiency insulation layer is a composite insulation slurry containing expandable polystyrene particles or a foamed polyurethane material. The AAC panel is used as a base mold for spreading and pouring the high-efficiency insulation layer onto the AAC panel, followed by curing to form the desired shape, so that the high-efficiency insulation layer is connected to one or both sides of the AAC panel.

2. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 1, characterized in that, The composite autoclaved aerated concrete (AAC) panel structure also includes reinforcing components, which are embedded within the high-efficiency insulation layer.

3. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 2, characterized in that, The reinforcing components include reinforcing ribs, reinforcing mesh, or reinforcing mesh frames; And / or, the reinforcing component is made of metal, glass fiber, or fiber-reinforced composite material.

4. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 2, characterized in that, The composite autoclaved aerated concrete (AAC) bar structure also includes a plurality of connecting tie members, all of which are connected to the reinforcing component and the autoclaved aerated concrete (AAC) bar.

5. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 4, characterized in that, The connecting tie includes a connecting rod and two limiting parts. The connecting rod passes through the autoclaved aerated concrete bar and extends into the high-efficiency insulation layer and through the reinforcing component. The two limiting parts are respectively connected to the two ends of the connecting rod and are positioned on the side of the autoclaved aerated concrete bar and the reinforcing component.

6. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 4, characterized in that, The composite autoclaved aerated concrete (AAC) panel structure also includes a protective layer, which is connected to the side of the high-efficiency insulation layer facing away from the AAC panel.

7. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 6, characterized in that, Several of the connecting tie members penetrate the high-efficiency thermal insulation layer and are connected to the protective layer; And / or, the protective layer is a calcium silicate board; And / or, the protective layer includes mortar and fiberglass mesh, wherein the mortar is connected to the high-efficiency insulation layer and the fiberglass mesh is embedded in the mortar.

8. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 1, characterized in that, The autoclaved aerated concrete bar has an inwardly recessed connecting groove on the side facing the high-efficiency insulation layer.

9. The composite autoclaved aerated concrete (AAC) strip structure as described in claim 1, characterized in that, An interface agent layer is provided between the autoclaved aerated concrete strip and the high-efficiency insulation layer.

10. An energy-saving wall system, characterized in that, It includes the composite autoclaved aerated concrete (AAC) panel structure as described in any one of claims 1-9.

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