Novel assembled aerogel product sound insulation and sound absorption heat insulation thin type single upper chord double lower chord single web rod lamination plate
By introducing aerogel products and composite carbon fiber mesh into the composite slab, the problems of poor sound insulation and heavy weight of the composite slab are solved, resulting in a lightweight and efficient sound insulation and sound absorption composite slab suitable for new prefabricated structures.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 广东大功泰成建筑咨询部(个人独资)
- Filing Date
- 2025-05-27
- Publication Date
- 2026-06-23
AI Technical Summary
Existing prefabricated composite panels lack sound insulation and are quite heavy, affecting handling and processing.
The new type of prefabricated aerogel product is used to make a thin composite panel with a single top chord, double bottom chord, and single web reinforcement. The structure includes a combination of trusses, fine stone concrete, composite carbon fiber mesh, nano aerogel bonding coating, nanoporous aerogel composite insulation products, and inorganic permeable molded polystyrene board, forming a lightweight composite panel with sound insulation and sound absorption.
It enables convenient transportation and construction, reduces installation costs, and has excellent sound insulation, sound absorption and heat preservation effects, making it suitable for new prefabricated structural systems.
Smart Images

Figure CN224395870U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of prefabricated composite slab technology, and in particular to a novel prefabricated aerogel product sound insulation, sound absorption, heat insulation, thin single-upper-chord double-lower-chord single-web-stirrer composite slab. Background Technology
[0002] Composite floor slabs are assembled monolithic floor slabs made by stacking precast slabs and cast-in-place reinforced concrete layers. Composite floor slabs have good integrity, and the upper and lower surfaces of the slab are flat, which facilitates the finishing layer decoration. They are suitable for high-rise buildings and large-span buildings with high requirements for overall rigidity.
[0003] However, existing prefabricated composite panels do not have sound insulation properties and are even quite heavy, affecting their handling and processing. To address this, we propose a new type of prefabricated aerogel product: a thin single-upper-chord, double-lower-chord, single-web-stirred composite panel that provides sound insulation, sound absorption, heat insulation, and thermal insulation. Summary of the Invention
[0004] In order to overcome the shortcomings of the existing technology, this utility model provides a novel assembled aerogel product sound insulation, sound absorption, heat insulation, thin single top chord, double bottom chord, single web bar composite plate, which can solve the technical problems mentioned in the background.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a novel prefabricated aerogel product sound insulation, sound absorption, heat insulation, thin single-upper-chord double-lower-chord single-web-stiffened composite slab, including a truss, fine stone concrete is provided below the truss, composite carbon fiber mesh is provided below the fine stone concrete, nano-aerogel bonding coating is provided below the composite carbon fiber mesh, nanoporous aerogel composite insulation product is provided below the nanoporous aerogel composite insulation product, nano-aerogel bonding coating two is provided below the nano-aerogel bonding coating two, inorganic permeable molded polystyrene board is provided below the inorganic permeable molded polystyrene board, composite carbon fiber mesh two is provided below the inorganic permeable molded polystyrene board, connecting and fixing studs are provided below the composite carbon fiber mesh two, and nano-aerogel modified perlite crack-resistant bonding mortar is provided below the connecting and fixing studs.
[0006] The truss includes an upper chord, a lower chord is provided below the upper chord, a web member is provided on one side of the lower chord, and the upper chord and the lower chord are fixedly connected by the web member. Both sides of the web member are provided with flared ends.
[0007] Preferably, multiple nanoporous aerogel composite insulation products are provided, and a nano-aerogel adhesive coating is applied between every two nanoporous aerogel composite insulation products.
[0008] Preferably, the flared foot is fixedly connected to the web reinforcement, and each truss has two web reinforcements and two lower chords inside, with the flared foot tilted downward at 15 degrees.
[0009] Preferably, the thickness of the fine aggregate concrete is 15-60mm, and the nano-aerogel modified perlite crack-resistant bonding mortar includes, but is not limited to, high-performance concrete, self-compacting concrete, high-strength concrete, ultra-high performance concrete (UHPC), and high-ductility concrete.
[0010] Compared with the prior art, the beneficial effects that this utility model can achieve are:
[0011] This utility model is lighter and easier to transport and construct, reducing installation and usage costs. It also has sound insulation, sound absorption and heat preservation functions, with excellent sound insulation effect, effectively ensuring its sound insulation effect during use. Through the development of new prefabricated floor slabs with tight splicing and four-sided reinforcement, new structural components such as high-efficiency combination columns, beams and shear walls of steel and reinforced concrete, new integrated external wall system, and digital production, installation and testing technologies of prefabricated components, a new prefabricated composite structure and supporting technology system has been formed. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the truss section of this utility model;
[0014] The components are: 1. Truss; 2. Fine aggregate concrete; 3. Composite carbon fiber mesh; 4. Nano-aerogel bonding coating; 5. Nanoporous aerogel composite insulation product; 6. Nano-aerogel bonding coating II; 7. Inorganic permeable molded polystyrene board; 8. Composite carbon fiber mesh II; 9. Connecting and fixing studs; 10. Nano-aerogel modified perlite crack-resistant bonding mortar; 11. Top chord; 12. Web reinforcement; 13. Bottom chord; 14. Sloping foot. Detailed Implementation
[0015] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this utility model. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified. Example
[0016] like Figures 1-2 As shown, a novel prefabricated aerogel product, a thin single-upper-chord, double-lower-chord, single-web-stiffened composite slab, includes a truss 1. Below the truss 1 is fine aggregate concrete 2. Below the fine aggregate concrete 2 is a composite carbon fiber mesh 3. Below the composite carbon fiber mesh 3 is a nano-aerogel bonding coating 4. Below the nano-aerogel bonding coating 4 is a nanoporous aerogel composite insulation product 5. Below the nanoporous aerogel composite insulation product 5 is a nano-aerogel bonding coating 6. Below the nano-aerogel bonding coating 6 is an inorganic permeable molded polystyrene board 7. Below the inorganic permeable molded polystyrene board 7 is a composite carbon fiber mesh 8. Below the composite carbon fiber mesh 8 is a connecting and fixing stud 9. Below the connecting and fixing stud 9 is a nano-aerogel-modified perlite crack-resistant bonding mortar 10.
[0017] The truss 1 includes an upper chord 11, a lower chord 13 is provided below the upper chord 11, a web member 12 is provided on one side of the lower chord 13, and the upper chord 11 and the lower chord 13 are fixedly connected by the web member 12. Both sides of the web member 12 are provided with flared feet 14.
[0018] Specifically, multiple nanoporous aerogel composite insulation products 5 are provided, and a nano-aerogel bonding coating is applied between every two nanoporous aerogel composite insulation products 5; the flared foot 14 is fixedly connected to the web reinforcement 12, and each truss 1 is provided with two web reinforcements 12 and two lower chords 13. The flared foot 14 is inclined downward at 15 degrees. The thickness of the fine stone concrete 2 is 15-60mm. The nano-aerogel modified perlite crack-resistant bonding mortar 10 includes, but is not limited to, high-performance concrete, self-compacting concrete, high-strength concrete, ultra-high performance concrete (UHPC), and high ductility concrete.
[0019] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A novel prefabricated aerogel product, a thin single-upper-chord, double-lower-chord, single-web-stiffened composite slab, comprising a truss (1), characterized in that: Fine stone concrete (2) is provided below the truss (1), composite carbon fiber mesh (3) is provided below the fine stone concrete (2), nano aerogel bonding coating (4) is provided below the composite carbon fiber mesh (3), nano porous aerogel composite insulation product (5) is provided below the nano porous aerogel composite insulation product (5), nano aerogel bonding coating II (6) is provided below the nano aerogel bonding coating II (6), inorganic permeable molded polystyrene board (7) is provided below the inorganic permeable molded polystyrene board (7), composite carbon fiber mesh II (8) is provided below the composite carbon fiber mesh II (8), connecting and fixing studs (9) are provided below the connecting and fixing studs (9), and nano aerogel modified perlite crack-resistant bonding mortar (10) is provided below the connecting and fixing studs (9). The truss (1) includes an upper chord (11), a lower chord (13) is provided below the upper chord (11), a web member (12) is provided on one side of the lower chord (13), and the upper chord (11) and the lower chord (13) are fixedly connected by the web member (12). Both sides of the web member (12) are provided with flared feet (14).
2. The novel assembled aerogel product sound insulation, sound absorption, heat insulation, thin single-upper-chord, double-lower-chord, single-web-stiffener composite board according to claim 1, characterized in that: Multiple nanoporous aerogel composite insulation products (5) are provided, and a nano-aerogel adhesive coating is attached between every two nanoporous aerogel composite insulation products (5).
3. The novel assembled aerogel product sound insulation, sound absorption, heat insulation, thin single-upper-chord, double-lower-chord, single-web-stiffener composite board according to claim 1, characterized in that: The flared foot (14) is fixedly connected to the web member (12). Each truss (1) is provided with two web members (12) and two lower chords (13). The flared foot (14) is tilted downward at 15 degrees.
4. The novel assembled aerogel product sound insulation, sound absorption, heat insulation, and thermal insulation thin single-upper-chord double-lower-chord single-web-stiffener composite board according to claim 1, characterized in that: The thickness of the fine stone concrete (2) is 15-60 mm.