Toughened wallboard
By using foamed ceramic plates or autoclaved aerated concrete plates in the wall panels combined with toughened layer materials such as high ductility concrete, the problems of heavy wall materials and slow construction speed are solved, and the crack resistance and thermal insulation performance of the wall panels are achieved Improved, meets load requirements, and has excellent fire resistance and sound insulation.
Patent Information
- Application Number
- CN202420800693.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing wall materials are thick, slow construction speed, poor seismic resistance, and the prefabricated wall panel process is complex, making it difficult to achieve industrialization and commercialization of building products, and are prone to cracking and poor thermal insulation effect during use.
Toughening wall panels including substrate plates and toughening layers are foamed ceramic plates or autoclaved aerated concrete plates, and the toughening layers are high-ductile concrete, steel bars and fine stone concrete, cement mortar wire mesh or carbon fiber The cloth is equipped with longitudinal and transverse steel bars and carbon fiber cloth strips to enhance the strength and toughness of the plate, and the splicing is achieved through the plate tenon and plate grooves.
Enhanced crack resistance and insulation effect of the wall panel, improve the strength and toughness of the board, meet the load requirements, have excellent fire resistance and insulation performance, overcome the problems of brittleness and poor sound insulation effect of the original materials. .
Smart Images
Figure CN222140457U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of assembled house construction engineering, in particular to a toughened wallboard. Background Art
[0002] Most of the existing walls are built with various masonry or blocks. These walls are thick, heavy, labor-intensive, slow to construct, and have poor earthquake resistance. At the same time, with the continuous development of living standards, housing construction is subject to the requirements of its use function. Under the conditions of traditional requirements such as safety, applicability, and durability, it is also required to have the properties of heat preservation, fire prevention, and sound insulation.
[0003] In order to solve the above problems, some prefabricated wall panels have appeared in China in recent years, but the production process is relatively complicated, especially they need to be customized according to the specific project size, and cannot be pre-produced, so it is impossible to achieve the real industrialization and commercialization of building products. In addition, these wall panels are prone to cracks during use, and have poor thermal insulation, sound absorption and sound insulation effects. Utility Model Content
[0004] In view of the defects of the prior art, the utility model provides a toughened wall panel, which has excellent crack resistance, good thermal insulation effect and light wall weight.
[0005] The specific technical solutions are as follows:
[0006] A toughened wallboard comprises a substrate plate and a toughening layer on the outer surface of the substrate plate; the substrate plate is provided with longitudinal reinforcements and transverse reinforcements; the substrate plate is a foamed ceramic plate or an autoclaved aerated concrete plate; the toughening layer is one of the materials of high-ductility concrete, reinforced fine stone concrete, cement mortar steel mesh, and carbon fiber cloth.
[0007] Furthermore, a plate tenon is provided at one end portion of the base material plate, and a plate groove corresponding to the plate tenon is provided at the other end portion.
[0008] Furthermore, the substrate plate is an autoclaved aerated concrete plate, and the substrate plate is provided with substrate plate longitudinal reinforcements and substrate plate transverse reinforcements.
[0009] Furthermore, the length of the substrate board is 3.0m~4.2m, the width is 600mm~3m, with 300mm as the size modulus, and the thickness is not less than 70mm; the compressive strength of the foamed ceramic board is not less than 7MPa; the compressive strength of the autoclaved aerated concrete board is not less than 2.5MPa.
[0010] Furthermore, the material of the toughening layer is high ductility concrete, and its thickness is not less than 15 mm.
[0011] Furthermore, the material of the toughening layer is cement mortar steel wire mesh, the thickness of which is not less than 15 mm, and the cement mortar is grade I or grade II polymer modified cement mortar.
[0012] Furthermore, the material of the toughening layer is reinforced fine-stone concrete, the thickness of which is not less than 50 mm, and the fine-stone concrete is C30 concrete.
[0013] Preferably, the material of the toughening layer is cement mortar steel wire mesh or reinforced fine stone concrete, and the toughening layer is provided with toughening layer longitudinal steel bars and toughening layer transverse steel bars.
[0014] Furthermore, the material of the toughening layer is carbon fiber cloth, the thickness of the carbon fiber cloth is not less than 0.15 mm, and the mass per unit area is not less than 200 g / m 2 The carbon fiber toughening layer includes longitudinal carbon fiber cloth strips and transverse carbon fiber cloth strips.
[0015] Furthermore, each longitudinal carbon fiber cloth strip and each transverse carbon fiber cloth strip are arranged at equal intervals, the total width of each longitudinal carbon fiber cloth strip is not less than 1 / 2 of the width of the substrate board, and the total width of each transverse carbon fiber cloth strip is not less than 1 / 4 of the length of the substrate board.
[0016] The utility model has the following beneficial effects:
[0017] (1) The toughened wallboard meets the requirements for board strength and toughness under specific loads. The toughening layer strengthens and protects the base board, overcoming the shortcomings of the original base board such as poor tensile properties and easy brittle failure;
[0018] (2) Toughened wall panels have excellent fire resistance and thermal insulation properties. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A perspective view of an autoclaved aerated concrete slab toughened for high ductility concrete;
[0020] Figure 2 Cross-sectional view of an autoclaved aerated concrete slab toughened for high ductility concrete;
[0021] Figure 3 A cross-sectional view of an autoclaved aerated concrete slab toughened with reinforced fine-stone concrete;
[0022] Figure 4 A cross-sectional view of an autoclaved aerated concrete panel toughened with carbon fiber cloth;
[0023] Figure 5 A top view of an autoclaved aerated concrete panel toughened with carbon fiber cloth;
[0024] Figure 6 Cross-sectional view of a foamed ceramic plate toughened for high ductility concrete;
[0025] Figure 7 Cross-sectional view of a foamed ceramic panel toughened with reinforced fine-stone concrete.
[0026] Description of reference numerals:
[0027] 1. Toughening layer; 2. Base plate; 2a. Plate tenon; 2b. Plate groove; 3. Longitudinal reinforcement of the toughening layer; 3a. Longitudinal reinforcement of the base plate; 4. Transverse reinforcement of the toughening layer; 4a. Transverse reinforcement of the base plate; 5. Longitudinal carbon fiber cloth strips; 6. Transverse carbon fiber cloth strips. DETAILED DESCRIPTION
[0028] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0029] like Figures 1 to 7 As shown, the toughened wallboard of the embodiment of the utility model comprises a substrate board 2 and a toughening layer 1 arranged on the outer surface of the substrate board 2 , and the toughening layer 1 plays a role in strengthening and protecting the substrate board 2 .
[0030] Specifically, the substrate plate 2 is a foamed ceramic plate or an autoclaved aerated concrete plate, which has the advantages of environmental protection, energy saving, moisture resistance, and sound insulation. The substrate plate 2 of the autoclaved aerated concrete plate is provided with a substrate plate longitudinal steel bar 3a and a substrate plate transverse steel bar 4a to enhance the strength of the substrate plate 2; the toughening layer 1 is one of high ductility concrete, reinforced fine stone concrete, cement mortar steel wire mesh, and carbon fiber cloth. The substrate plate 2 is prefabricated in a factory. In order to enhance the connection between the toughening layer 1 and the substrate plate 2, an adhesive is used between the toughening layer 1 and the substrate plate 2.
[0031] As a preferred solution of the embodiment, a plate tenon 2a is provided at one end of the substrate plate 2, and a plate groove 2b corresponding to the plate tenon 2a is provided at the other end to facilitate the splicing of adjacent toughened wall panels.
[0032] The length of the substrate plate 2 is 3.0m to 4.2m, the width is 600mm to 3m, the size modulus is 300mm, and the thickness is not less than 70mm.
[0033] In order to ensure the strength of the toughened wall panels, the compressive strength of the foamed ceramic panels shall not be less than 7MPa; the compressive strength of the autoclaved aerated concrete panels shall not be less than 2.5MPa.
[0034] As a preferred embodiment of the present invention, the material and thickness of the toughening layer 1 are further limited as follows: the material of the toughening layer 1 is high-ductility concrete, and its thickness is not less than 15 mm. The material of the toughening layer 1 is cement mortar wire mesh, and its thickness is not less than 15 mm, and the cement mortar is grade I or grade II polymer modified cement mortar. The material of the toughening layer 1 is reinforced fine stone concrete, and its thickness is not less than 50 mm, and the fine stone concrete is C30 concrete. Preferably, the material of the toughening layer 1 is cement mortar wire mesh or reinforced fine stone concrete, and the toughening layer 1 is provided with a toughening layer longitudinal steel bar 3 and a toughening layer transverse steel bar 4 to ensure the strength of the toughening layer 1 of the toughened wallboard. The material of the toughening layer 1 is carbon fiber cloth, and the thickness of the carbon fiber cloth is not less than 0.15 mm, and the mass per unit area should not be less than 200 g / m 2 The carbon fiber toughening layer 1 includes a longitudinal carbon fiber cloth strip 5 and a transverse carbon fiber cloth strip 6 .
[0035] More specifically, the arrangement of the carbon fiber cloth is further described, and each longitudinal carbon fiber cloth strip 5 and each transverse carbon fiber cloth strip 6 are arranged at equal intervals, the total width of each longitudinal carbon fiber cloth strip 5 is not less than 1 / 2 of the width of the substrate board 2, and the total width of each transverse carbon fiber cloth strip 6 is not less than 1 / 4 of the length of the substrate board 2. The strength of the toughening layer 1 of the toughened wallboard is ensured.
[0036] According to the test, the cracking load of the toughened wallboard with autoclaved aerated concrete wallboard as the base material toughened by fine stone reinforced concrete (length 3030mm, width 600mm, toughening layer thickness 25mm, equipped with 15 Q195 cold-drawn steel wires with a diameter of 4mm) is 5.301kN, and the ultimate load is 17.834kN. The cracking load of the toughened wallboard with foamed ceramic board as the base material toughened by carbon fiber cloth (length 2400mm, width 600mm; carbon fiber cloth width 300mm, length 2400mm, end with reinforcing transverse carbon fiber cloth according to the specification requirements) is 5.823kN, and the ultimate load is 9.295kN.
[0037] The toughened wallboard provided by the embodiment of the utility model meets the requirements for board strength and toughness under specific loads. The toughening layer strengthens and protects the base board, overcoming the shortcomings of the original base board such as poor tensile properties and easy brittle failure. At the same time, the toughened wallboard has excellent fire resistance and thermal insulation properties.
[0038] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A toughened wallboard, characterized in that: It comprises a substrate plate (2) and a toughening layer (1) on the outer surface of the substrate plate (2); The substrate board (2) is a foamed ceramic board or an autoclaved aerated concrete board; The toughening layer (1) is made of one of the following materials: high ductility concrete, reinforced fine stone concrete, cement mortar steel wire mesh, and carbon fiber cloth; A plate tenon (2a) is provided at one end of the substrate plate (2), and a plate groove (2b) corresponding to the plate tenon (2a) is provided at the other end; The substrate plate (2) is an autoclaved aerated concrete plate, and substrate plate longitudinal steel bars (3a) and substrate plate transverse steel bars (4a) are arranged in the substrate plate (2).
2. The toughened wallboard according to claim 1, characterized in that: The substrate plate (2) has a length of 3.0m to 4.2m, a width of 600mm to 3m, a size modulus of 300mm, and a thickness of not less than 70mm; The compressive strength of the foamed ceramic board is not less than 7MPa; The compressive strength of autoclaved aerated concrete slab shall not be less than 2.5MPa.
3. The toughened wallboard according to claim 1, characterized in that: The material of the toughening layer (1) is high-ductility concrete, and its thickness is not less than 15 mm.
4. The toughened wallboard according to claim 1, characterized in that: The material of the toughening layer (1) is a cement mortar steel wire mesh, the thickness of which is not less than 15 mm, and the cement mortar is a Class I or Class II polymer modified cement mortar.
5. The toughened wallboard according to claim 1, characterized in that: The material of the toughening layer (1) is reinforced fine-stone concrete, the thickness of which is not less than 50 mm, and the fine-stone concrete is C30 concrete.
6. The toughened wallboard according to claim 4 or 5, characterized in that: The toughening layer (1) is provided with toughening layer longitudinal steel bars (3) and toughening layer transverse steel bars (4).
7. The toughened wallboard according to claim 1, characterized in that: The material of the toughening layer (1) is carbon fiber cloth, the thickness of the carbon fiber cloth is not less than 0.15 mm, and the mass per unit area is not less than 200 g / m 2 The carbon fiber toughening layer (1) comprises a longitudinal carbon fiber cloth strip (5) and a transverse carbon fiber cloth strip (6).
8. The toughened wallboard according to claim 7, characterized in that: The longitudinal carbon fiber cloth strips (5) and the transverse carbon fiber cloth strips (6) are arranged at equal intervals, the total width of the longitudinal carbon fiber cloth strips (5) is not less than 1 / 2 of the width of the substrate plate (2), and the total width of the transverse carbon fiber cloth strips (6) is not less than 1 / 4 of the length of the substrate plate (2).