A fiber-reinforced mesh
By designing a composite coating structure on the GFRP mesh, including a wear-resistant layer and high-strength fibers, the problems of insufficient adhesion to cement-based materials, poor durability, and insufficient strength are solved, resulting in a high-strength and durable construction mesh.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG XINNA COMPOSITE MATERIAL CO LTD
- Filing Date
- 2025-09-05
- Publication Date
- 2026-08-04
AI Technical Summary
Existing GFRP meshes suffer from insufficient adhesion and bonding strength with cement-based materials, poor durability, and insufficient strength.
The design employs a hybrid fiber bundle with longitudinal and transverse support ribs, an outer wear-resistant layer on top of the resin coating, and adds UV-resistant additives and antioxidants within the resin coating, along with an outer antioxidant layer and a UV-resistant layer. The hybrid fiber bundle includes high-strength fibers such as carbon fiber or aramid fiber, forming a composite coating structure.
It improves the bonding and interlocking force between the mesh and concrete, enhances durability and strength, and is suitable for high-requirement building structures, while controlling costs.
Smart Images
Figure CN224591669U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of reinforcing mesh for construction, and particularly relates to a fiber-reinforced mesh. Background Technology
[0002] In building construction, steel mesh or GFRP (glass fiber reinforced plastic) mesh is commonly used as reinforcing material to improve the strength and crack resistance of concrete. Compared to steel mesh, GFRP mesh has advantages such as light weight, corrosion resistance, and high strength.
[0003] Existing technologies, such as CN222140478U, disclose a warp-knitted GFRP mesh, which reinforces glass fiber bundles with an epoxy resin coating and fixes the intersections with glass fiber binding, solving the mesh uniformity problem and allowing the use of larger mesh openings. However, in practical use, this technical solution still has the following obvious defects: 1. Due to the smooth surface of epoxy resin, despite the addition of textured surfaces, its adhesion and bonding strength with cement-based materials are still insufficient, posing a risk of interfacial delamination; 2. Epoxy resin is prone to aging, yellowing, and powdering under ultraviolet radiation and humid and hot environments, affecting the long-term durability of the mesh; 3. Glass fiber itself has limited strength, exhibiting problems such as easy deformation and poor impact resistance. Utility Model Content
[0004] The purpose of this invention is to provide a fiber-reinforced plastic mesh to solve the technical problems of insufficient adhesion and interlocking force, poor durability, and insufficient strength of existing GFRP meshes with cement-based materials.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a fiber-reinforced material mesh, comprising a plurality of longitudinally arranged longitudinal support ribs and a plurality of transversely arranged transverse support ribs, wherein a mesh is formed between the longitudinal support ribs and the transverse support ribs, and both the longitudinal support ribs and the transverse support ribs comprise mixed fiber bundles and a resin coating covering the mixed fiber bundles, wherein a wear-resistant layer is laminated on the outer surface of the resin coating.
[0006] Preferably, an antioxidant layer and an anti-ultraviolet layer are sequentially covered between the resin coating and the wear-resistant layer.
[0007] Preferably, the resin coating contains UV-resistant additives and antioxidants.
[0008] Preferably, the wear-resistant layer is made by mixing cement and quartz sand and is attached to the surface of the resin coating.
[0009] Preferably, the mixed fiber bundle includes a glass fiber bundle and a high-strength fiber bundle, wherein the high-strength fiber bundle is one of carbon fiber, aramid fiber or ceramic fiber.
[0010] Preferably, the intersections of the mixed fiber bundles in the longitudinal and transverse support ribs are fixed by binding with glass fiber.
[0011] Preferably, the longitudinal and transverse support ribs have flat cross-sections.
[0012] Preferably, a square hole is formed between the longitudinal support rib and the transverse support rib.
[0013] Through the above technical solution, compared with the prior art, this utility model has the following beneficial effects: 1. By composite wear-resistant layer on the outer surface of resin coating, the wear-resistant layer is a sand particle bonding layer (mainly composed of cement and quartz sand). The sand particle bonding layer can provide huge mechanical interlocking force, and its composition is also highly compatible with concrete, effectively preventing interface peeling, so that the mesh and concrete can truly work together, solving the technical problem that the adhesion and interlocking force between the existing mesh and cement-based materials is still insufficient, and there is a risk of interface peeling.
[0014] By adding UV-resistant additives and antioxidants to the resin coating, or by adding an antioxidant layer and a UV-resistant layer between the resin coating and the wear-resistant layer, combined with the outer wear-resistant layer, the long-term performance stability of the mesh is ensured under harsh environments such as ultraviolet radiation and humid heat, thereby improving the durability of the mesh and solving the technical problems of easy aging, yellowing and chalking of the epoxy resin on the outside of the existing mesh under ultraviolet radiation and humid heat.
[0015] By introducing high-strength fibers (such as carbon fiber and aramid fiber), the strength of the mesh is significantly improved, making it suitable for building structures with higher requirements. Furthermore, the use of hybrid fiber design can improve performance while saving costs, solving the technical problems of limited strength, easy deformation, and poor impact resistance of existing glass fibers. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the internal cross-sectional structure of this utility model; Figure 3 For the present utility model Figure 2 A magnified structural diagram of point A; Figure 4 This is a side sectional view of the support rib structure of the second embodiment of this utility model; The utility model reference information is as follows: 1. Longitudinal support ribs; 2. Transverse support ribs; 3. Mixed fiber bundles; 4. Resin coating; 5. Resin coating; 6. Antioxidant layer; 7. UV resistant layer; 100. Mesh body; The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0018] The following will refer to the appendix in the embodiments of this utility model. Figure 1-4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0020] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0021] like Figure 1-3 The first embodiment of this utility model is shown: a fiber-reinforced material mesh, including a plurality of longitudinally arranged longitudinal support ribs 1 and a plurality of transversely arranged transverse support ribs 2, with a mesh formed between the longitudinal support ribs 1 and the transverse support ribs 2. Specifically, the longitudinal support ribs 1 and the transverse support ribs 2 are woven together to form a mesh body 100, with a regular square mesh formed between them. Both the longitudinal support ribs 1 and the transverse support ribs 2 include mixed fiber bundles 3 and a resin coating 4 covering the mixed fiber bundles 3. The outer surface of the resin coating 4 is coated with a wear-resistant layer 5.
[0022] The resin coating 4 contains UV-resistant additives and antioxidants.
[0023] By adding UV-resistant additives and antioxidants to the resin coating 4 and combining them with the outer wear-resistant layer, the long-term performance stability of the mesh is ensured under harsh environments such as ultraviolet radiation and humid heat, thereby improving the durability of the mesh and solving the technical problems of easy aging, yellowing and powdering of the epoxy resin on the outside of the existing mesh under ultraviolet radiation and humid heat.
[0024] like Figure 2-3 As shown: the wear-resistant layer 5 is made of a mixture of cement and quartz sand and is attached to the surface of the resin coating 4.
[0025] The manufacturing process of this embodiment is as follows: the core of the longitudinal support rib 1 and the transverse support rib 2 is a multi-strand continuous mixed fiber bundle 3. After weaving, special glass fiber binding yarn, i.e., binding fiber, is first used to tightly bind all the intersecting nodes to form a primary fixation.
[0026] Subsequently, the entire mesh body 100 is impregnated in an epoxy resin to form the resin coating 4. It is important to note that the epoxy resin raw material contains pre-added UV stabilizers and antioxidants. After impregnation, a resin coating 4 will be formed on the mesh body 100. Before the resin coating 4 gels, a mixture of dry silicate cement and quartz sand powder is evenly spread onto the mesh surface using a spreading device to form a wear-resistant layer 5. Then, the mesh is heated in an oven to fully cure the resin coating 4. Simultaneously, the cement undergoes a partial hydration reaction with moisture, firmly anchoring the sand particles to the surface of the resin coating 4.
[0027] The mixed fiber bundle 3 includes glass fiber bundles and high-strength fiber bundles. The high-strength fiber bundles are one of carbon fiber, aramid fiber or ceramic fiber. In this embodiment, the volume content of high-strength fiber accounts for 10% to 40% of the mixed fiber bundle to control the overall manufacturing cost. At the same time, different contents of mesh can be made according to different application scenarios.
[0028] like Figure 2 As shown: the intersection of the mixed fiber bundles 3 in the longitudinal support rib 1 and the transverse support rib 2 is fixed by binding with glass fiber.
[0029] The longitudinal support rib 1 and the transverse support rib 2 have flat cross-sections. The flat structure can increase the contact area with the resin coating 4 and the stability after binding.
[0030] like Figure 1-2 As shown: A square hole is formed between the longitudinal support rib 1 and the transverse support rib 2, and the size of the square hole is between 50mm×50mm and 100mm×100mm.
[0031] like Figure 4The second embodiment of this utility model is shown below: The difference between this embodiment and the first embodiment is that an antioxidant layer 6 and an anti-ultraviolet layer 7 are sequentially covered between the resin coating 4 and the wear-resistant layer 5. By adding an antioxidant layer and an anti-ultraviolet layer between the resin coating 4 and the wear-resistant layer 5, combined with the outer wear-resistant layer 5, the long-term performance stability of the mesh is ensured under harsh environments such as ultraviolet radiation and humid heat, thereby improving the durability of the mesh and solving the technical problems of easy aging, yellowing, and chalking of the epoxy resin on the outside of the existing mesh under ultraviolet radiation and humid heat.
[0032] Compared to directly injecting additives into the resin raw material, the composite coating method using an antioxidant layer 6 and an anti-ultraviolet layer 7 offers stronger protection, better resistance, greater flexibility, lower processing costs, and easier maintenance.
[0033] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A fiber-reinforced material mesh, comprising a plurality of longitudinally arranged longitudinal support ribs (1) and a plurality of transversely arranged transverse support ribs (2), wherein a mesh is formed between the longitudinal support ribs (1) and the transverse support ribs (2), characterized in that: Both the longitudinal support rib (1) and the transverse support rib (2) include a mixed fiber bundle (3) and a resin coating (4) covering the mixed fiber bundle (3). The outer surface of the resin coating (4) is coated with a wear-resistant layer (5).
2. A fibrous reinforcement web according to claim 1, characterized in that: An antioxidant layer (6) and an anti-ultraviolet layer (7) are sequentially covered between the resin coating (4) and the wear-resistant layer (5).
3. A fibrous reinforcement web as defined in claim 1, wherein: The mixed fiber bundles (3) in the longitudinal support ribs (1) and transverse support ribs (2) are fixed by binding with glass fiber at the intersection.
4. A fibrous reinforcement web according to claim 3, characterized in that: The longitudinal support bar (1) and the transverse support bar (2) have flat cross sections.
5. A fibrous reinforcement web as defined in claim 1, wherein: A square hole is formed between the longitudinal support rib (1) and the transverse support rib (2).