CN115773013A - Inorganic fiber rib and forming process - Google Patents

Abstract

The invention discloses an inorganic fiber rib and a forming process, wherein the inorganic fiber rib comprises an outer protective layer, an anticorrosive filling layer and at least one core material, wherein the anticorrosive filling layer is arranged in a gap between the core material and the outer protective layer, the core material comprises a fiber rib twisted wire, an inner coating, a waterproof coating and an inner protective layer, the inner coating is arranged on the surface of the fiber rib twisted wire, and the inner coating is made of a material with cohesiveness and wear resistance; the waterproof coating is arranged on the surface of the inner coating; the inner protective layer is arranged on the surface of the inner coating; the outer protective layer is made of a material which is not bonded with concrete. The outer protective layer on the surface of the inorganic fiber rib is not bonded with concrete, the inner anti-corrosion filling layer is convenient for the rib bundle to be stressed and slide, the core material has waterproofness, wear resistance and cohesiveness, the tensile strength is good, the inorganic fiber rib replaces a steel strand, the inorganic fiber rib has good electrical insulation, and the problem that the steel strand is easy to rust can be solved. The invention can be widely applied to the technical field of civil engineering.

Description

Inorganic fiber rib and forming process

Technical Field

The invention relates to the technical field of civil engineering, in particular to an inorganic fiber rib and a forming process thereof.

Background

With the rapid development of social economy, various fields of China make great progress, wherein the development of the construction industry is particularly obvious, and a large number of building groups are formed at present. A large number of buildings such as bridges, culverts, tunnel structures and the like are in endlessly, wherein the reinforced concrete structures account for an absolute proportion, but due to structural corrosion, artificial damage, natural disasters and the like, the building structures have a lot of potential safety hazards, and the service life of the building structures is shortened. Of the methods that have been used to extend the life of buildings to date, the most common and effective method is to technically reinforce the building. The reinforcing technology for the concrete structure is well developed at present, each reinforcing technology has the characteristics of the reinforcing technology, wherein a steel strand wire winding reinforcing method is the most commonly used method, the concrete structure is reinforced through the winding of prestressed steel strands, the use space of the reinforced structure is almost unchanged, the development of the inclined cracks of the components can be effectively controlled, the yield time of stirrups can be delayed, and the purpose of improving the shearing resistance of the beam is achieved.

The corrosion of the steel strand is a relatively common durability problem in the use process of a reinforced structure, and in recent years, the structural damage caused by the corrosion of the steel strand is frequently caused, so that huge economic losses are caused to the country and the society. The corrosion reason of the steel strand can be summarized as follows: (1) Corrosion medium enters the sleeve due to improper protection of the anchoring area, and the steel strand is rusted in a larger range due to unsaturated grease; (2) The polyethylene sleeve is carelessly damaged in the transportation and construction processes, so that the steel strand is corroded. Therefore, in order to further reinforce the concrete structure and improve the durability of the concrete in severe environment, the problem that the steel strand is easy to rust needs to be solved.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present invention provides an inorganic fiber rib and a molding process thereof, and the technical scheme adopted is as follows.

The forming process provided by the invention is used for manufacturing the inorganic fiber rib, and the manufacturing process of the forming process comprises the following steps: the raw materials are melted at high temperature and then are stretched at high speed to prepare slender continuous fiber yarns; stranding and bundling a plurality of fiber wires, soaking, extruding, correcting, drawing and forming, removing redundant materials and carrying out surface treatment to prepare the inorganic fiber rib.

The inorganic fiber reinforcement provided by the invention comprises an outer protection layer, an anticorrosive filling layer and at least one core material, wherein the anticorrosive filling layer is arranged in a gap between the core material and the outer protection layer; the waterproof coating is arranged on the surface of the inner coating; the inner protective layer is arranged on the surface of the inner coating layer; wherein, the outer protective layer adopts a material which is not bonded with concrete.

In some embodiments of the present invention, the material of the fiber reinforced twisted wire includes at least one of carbon fiber, aramid fiber, glass fiber, and basalt fiber.

In some embodiments of the invention, the number of the fiber strand strands in the core material is set to 1 to 19.

In some embodiments of the invention, the diameter of the core material cross section is 1 to 10mm.

In certain embodiments of the present invention, the inner coating comprises an epoxy coating.

In certain embodiments of the present invention, the epoxy coating has a cure time of 1 to 7 days.

In certain embodiments of the present invention, the water-resistant coating comprises at least one of a neutral transparent silicone glass seal coating, an epoxy coating, a polyurethane coating.

In some embodiments of the present invention, the inner protection layer is made of polyvinyl chloride, and the outer protection layer is made of polyvinyl chloride.

In some embodiments of the present invention, the material of the anti-corrosion filling layer is grease material.

The embodiment of the invention has at least the following beneficial effects: the outer protective layer on the surface of the inorganic fiber rib is not bonded with concrete, the inner anti-corrosion filling layer is convenient for the rib bundle to be stressed and slide, the core material has waterproofness, wear resistance and cohesiveness, the tensile strength is good, the inorganic fiber rib replaces a steel strand, the inorganic fiber rib has good electrical insulation, and the problem that the steel strand is easy to rust can be solved. The invention can be widely applied to the technical field of civil engineering.

Drawings

The described and/or additional aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It should be noted that the embodiments presented in the following figures are exemplary only and are not to be construed as limiting the invention.

Fig. 1 is a schematic cross-sectional structure diagram of an inorganic fiber rib.

Reference numerals:

101. an outer protective layer; 102. an anti-corrosion filling layer;

200. a core material; 201. twisting fiber ribs; 202. an inner coating layer; 203. a water-resistant coating; 204. and an inner protective layer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that, if the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used in the orientation or positional relationship indicated in the drawings, this is for convenience of description and simplicity of description only, and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention relates to an inorganic fiber bar, which replaces a steel strand with the inorganic fiber bar, has the advantage of unbonded prestress, is made of a material with good electrical insulation, can solve the problem that the steel strand is easy to rust, is not easy to rust and expand, provides higher tensile strength, and has small relative density, light weight, lower transportation cost, convenient reinforcement operation and great application potential in the aspect of concrete structure reinforcement.

Inorganic fiber muscle includes outer protective layer 101, anticorrosive filling layer 102 and at least one core 200, and outer protective layer 101 is as the top layer of inorganic fiber muscle, and anticorrosive filling layer 102 sets up the space between core 200 and outer protective layer 101, and anticorrosive filling layer 102 is convenient for the muscle and restraints atress slip, reduces the wearing and tearing of inorganic fiber muscle when interlude or winding.

Specifically, the core material 200 comprises a fiber reinforced plastic twisted wire 201, an inner coating layer 202, a waterproof coating layer 203 and an inner protective layer 204, wherein the inner coating layer 202 is arranged on the surface of the fiber reinforced plastic twisted wire 201, the waterproof coating layer 203 is arranged on the surface of the inner coating layer 202, and the inner protective layer 204 is arranged on the surface of the inner coating layer 202.

Further, the inner coating 202 is made of a material with adhesive property and wear resistance, so that the adhesive strength and the wear resistance of the inner structure of the core material 200 are enhanced. Specifically, the inner protection layer 204 is made of polyvinyl chloride.

Further, the outer protective layer 101 is made of a material which is not bonded with concrete, so that friction between the inorganic fiber ribs and the concrete is reduced. Specifically, the material of the outer protection layer 101 is polyvinyl chloride.

In one embodiment, at least one of the fiber reinforced plastic strands 201 is provided. Specifically, the number of the fiber strand wires 201 in the core material 200 is set to 1 to 19. Further, the diameter of the cross section of the core material 200 is 1 to 10mm.

In one embodiment, the material of the fiber reinforced twisted wire 201 includes at least one of carbon fiber, aramid fiber, glass fiber, and basalt fiber.

As one embodiment, the inner overcoat 202 comprises an epoxy coating. Further, the epoxy resin coating is cured for 1 to 7 days. In some examples, the curing time of the epoxy coating is set to 3 days.

As an embodiment, the waterproof coating 203 includes at least one of a neutral transparent silicone glass seal coating, an epoxy coating, and a polyurethane coating.

In one embodiment, the anticorrosion filler layer 102 is made of a grease-based material, and specifically, the anticorrosion filler layer 102 is made of glycerin.

The invention relates to a forming process for manufacturing an inorganic fiber rib, which has the advantages of high tensile strength, convenient cutting, difficult corrosion and good insulativity.

The manufacturing process of the molding process comprises the following steps: the raw materials are melted at high temperature and then are stretched at high speed to prepare slender continuous fiber yarns; stranding and bundling a plurality of fiber wires, soaking, extruding, correcting, drawing and forming, removing redundant materials and carrying out surface treatment to prepare the inorganic fiber rib.

Specifically, the raw material melted at a high temperature is drawn at a high speed through a fine-meshed bushing.

It can be understood that in the impregnating process, various resin gluing materials are used for impregnating.

In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

In the description of the present invention, the appearances of the patent names "and" in the patent specification are the same as each other, but the patent names "and" are not necessarily the same as each other. For example, the patent name "a A, B" illustrates what is claimed in the present invention: the subject name is A and the subject name is B.

Claims (10)

1. An inorganic fiber rib characterized in that: comprises an outer protection layer (101), an anti-corrosion filling layer (102) and at least one core material (200), wherein the anti-corrosion filling layer (102) is arranged in a gap between the core material (200) and the outer protection layer (101), and the core material (200) comprises

A fiber rib twisted wire (201);

an inner additional coating (202), wherein the inner additional coating (202) is arranged on the surface of the fiber reinforced twisted wire (201), and the inner additional coating (202) is made of a material with adhesive property and wear resistance;

a water-resistant coating (203), the water-resistant coating (203) disposed on a surface of the inner coating (202);

an inner protective layer (204), the inner protective layer (204) disposed on a surface of the inner overcoat layer (202);

wherein, the outer protective layer (101) is made of a material which is not bonded with concrete.

2. The inorganic fiber reinforcement according to claim 1, wherein: the fiber rib twisted wire (201) is made of at least one of carbon fiber, aramid fiber, glass fiber and basalt fiber.

3. The inorganic fiber reinforcement according to claim 1, wherein: the number of the fiber reinforced strands (201) in the core material (200) is set to be 1 to 19.

4. The inorganic fiber reinforcement according to claim 1, wherein: the diameter of the cross section of the core material (200) is 1 to 10mm.

5. The inorganic fiber reinforcement according to claim 1, wherein: the inner overcoat (202) comprises an epoxy coating.

6. The inorganic fiber reinforcement according to claim 5, wherein: the epoxy resin coating has a curing time of 1 to 7 days.

7. The inorganic fiber reinforcement according to claim 1, wherein: the waterproof coating (203) comprises at least one of a neutral transparent silicone glass seal coating, an epoxy coating, and a polyurethane coating.

8. The inorganic fiber reinforcement according to claim 1, wherein: the inner protection layer (204) is made of polyvinyl chloride, and the outer protection layer (101) is made of polyvinyl chloride.

9. The inorganic fiber reinforcement according to claim 1, wherein: the anti-corrosion filling layer (102) is made of grease materials.

10. A molding process is characterized in that: the forming process is used for manufacturing the inorganic fiber bar as claimed in any one of claims 1 to 9, and the manufacturing flow of the forming process comprises

The raw materials are melted at high temperature and then are stretched at high speed to prepare slender continuous fiber yarns;

stranding and bundling a plurality of fiber wires, soaking, extruding, correcting, drawing and forming, removing redundant materials and carrying out surface treatment to prepare the inorganic fiber rib.

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