CN111057477A - FRP fiber adhesive tape for quick connection and fixed connection method thereof - Google Patents
FRP fiber adhesive tape for quick connection and fixed connection method thereof Download PDFInfo
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- CN111057477A CN111057477A CN201911380560.3A CN201911380560A CN111057477A CN 111057477 A CN111057477 A CN 111057477A CN 201911380560 A CN201911380560 A CN 201911380560A CN 111057477 A CN111057477 A CN 111057477A
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- 239000000835 fiber Substances 0.000 title claims abstract description 186
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 33
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 82
- 238000004804 winding Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 6
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 230000008569 process Effects 0.000 description 10
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2477/00—Presence of polyamide
Abstract
The invention discloses an FRP fiber adhesive tape for quick connection and a fixed connection method thereof, wherein the FRP fiber adhesive tape comprises: the fiber layer and the gauze layer arranged on the two sides of the fiber layer, and the thermoplastic resin particle layer between the fiber layer and the gauze layer on the two sides, wherein the fiber layer, the thermoplastic resin particle layer and the gauze layer are connected in sequence. This FRP fibre sticky tape heats the ligature sticky tape again after carrying out ligature connection to materials such as muscle net, makes its inside thermoplastic resin granule be heated and softens the bonding, can realize the self-connection between ligature sticky tape fast to the realization is to the effective locking of muscle net restraint of taking off. The fiber layer in the fiber adhesive tape has excellent mechanical property and corrosion resistance, can obviously improve the bearing capacity and the service life of joints such as the rib net and the like, saves the maintenance cost, and greatly improves the safety and the durability of a rib/net reinforced concrete structure. The FRP fiber adhesive tape is convenient to carry, superior in performance, high in connection efficiency and flexible and convenient in site construction, and can easily realize effective self-connection.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to an FRP fiber adhesive tape for quick connection and a fixed connection method thereof.
Background
In a reinforced concrete structure, at present, iron wires are generally used for fixedly connecting longitudinal and latitudinal connecting ribs, so that a reinforcing rib net is formed in concrete, and the bearing capacity and the service performance of the concrete structure are greatly improved. However, in the process of rigidly and fixedly connecting the connecting ribs forming the reinforcing rib net by using iron wires, there are many safety hazards: on one hand, the bearing capacity of the connecting ribs in the direction perpendicular to the fiber axis is weak, and the connecting ribs are rigidly bound and fixed by adopting iron wires, so that the iron wires and the connecting ribs form a mode similar to line contact in the direction perpendicular to the fiber axis, and therefore relatively concentrated shearing force is generated, the surface structure of the connecting ribs is easily damaged, and the performance and the service life of the reinforcing rib net are reduced; on the other hand, the corrosion resistance of the iron wires is relatively poor, so that the fixed connection between the reinforcing rib nets is inevitably failed at the lap joints of the connecting ribs due to the rapid corrosion of the iron wires, and the bearing capacity of the reinforcing rib nets and even the whole concrete structure is greatly reduced.
Therefore, it is an urgent need to solve the problems of the art to provide an FRP fiber tape for quick connection and a method for fixing and connecting the FRP fiber tape, which can significantly improve the stability of fixing and connecting a connection web, have high connection efficiency, and have superior corrosion resistance and durability.
Disclosure of Invention
In view of the above, in order to solve the technical problems of weak bearing capacity, poor corrosion resistance, poor connection stability and the like of a reinforcing mesh formed when connecting reinforcing bars are fixedly connected by using iron wires in the prior art, the invention provides the FRP fiber tape for quick connection, which can obviously improve the stability of a reinforcing mesh structure, has high connection efficiency and excellent corrosion resistance and durability.
In order to achieve the purpose, the invention adopts the following technical scheme:
an FRP fiber tape for quick connection, comprising:
the fiber adhesive tape comprises a fiber adhesive tape body, wherein the fiber adhesive tape body comprises a fiber layer and screen layers arranged on two sides of the fiber layer, a thermoplastic resin particle layer is further arranged between the fiber layer and the screen layers on the two sides, and the fiber layer, the thermoplastic resin particle layer and the screen layers are sequentially connected.
According to the technical scheme, compared with the prior art, the invention discloses that the FRP fiber adhesive tape for quick connection is provided, the fiber layer in the fiber adhesive tape has strong bearing capacity, can bear larger external force, is used for connecting a structure and has higher connection constraint; thermoplastic resin particles arranged between the fiber layer and the gauze layer are mutually bonded after being heated and softened, so that the upper fiber adhesive tape layer and the lower fiber adhesive tape layer are effectively bonded by self, the interlayer bonding strength is high, the connecting structure is not easy to loosen and lose efficacy, and the reliability is higher; the setting of yarn stratum reticulare not only can effectively protect the fibrous layer to avoid taking place damages such as laddering, broken silk, plays good bearing effect to the thermoplastic resin grained layer simultaneously, still has the effect of coordinating this fibre sticky tape whole bonding effect. The FRP fiber adhesive tape for quick connection has the advantages of reasonable design, simple structure, high connection strength, excellent performance, strong structural stability, corrosion resistance and wear resistance, long service life, high efficiency and quickness in production and preparation, convenience in coiling and packaging, light weight and portability, high connection efficiency, flexibility and convenience in field construction and good market application prospect, and fibers are not easy to wear, fiber drawing or fiber breaking in the using process.
Further, the fiber layer is one of a fiber bundle, a fiber fabric or a fiber prepreg.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, the polymorphic type fibre product form, wide range of application, secondary operation is high-efficient swift.
Furthermore, the fiber in the fiber bundle, the fiber fabric and the fiber prepreg is made of one of aramid fiber, carbon fiber, basalt fiber or glass fiber.
The beneficial effect that adopts above-mentioned technical scheme to produce is that this fibre has superior performance such as bearing capacity is strong, corrosion resistance is good.
Further, the thickness of the fiber layer is 0.05-0.5mm, and the thickness of the single-layer gauze layer is 0.02-0.3 mm.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, the setting up of fiber adhesive tape outside gauze element layer makes this fiber adhesive tape can effectively protect the fibrous layer surface appearance undamaged in the use, reduces the shearing friction power between the fibrous layer, improves fiber adhesive tape surface wear resistance and bending resistance ability to guarantee that this fiber adhesive tape is difficult for taking place the fibre and break and decrease when twining the connecting rib. The inner gauze layer of the fiber adhesive tape, namely the side gauze layer of the thermoplastic resin particles can play a good bearing role on the thermoplastic resin particle layer.
The thickness design of fibrous layer and gauze element layer is on the basis of guaranteeing fibre sticky tape mechanical properties and actual connection demand, and it is even, thin to set up as far as possible, not only makes this fibre sticky tape structural performance stability strong, and the quality is light moreover, is convenient for coil the encapsulation, convenient to carry, and the site operation is nimble convenient.
Further, the thermoplastic resin particle layer includes a plurality of thermoplastic resin particles, and the plurality of thermoplastic particles are uniformly arranged between the fiber layer and the screen layer.
Furthermore, the material adopted by the plurality of thermoplastic resin particles is one or more of polypropylene, polyethylene and polyamide.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, the thermoplastic resin granule has stronger cohesiveness after being heated and softened, and on the one hand fibre sticky tape bonds each other between the same layer, oozes the gauze element layer simultaneously, to the fibre sticky tape of bonding lower floor to form the self-connection between fibre sticky tape layer, joint strength is high, has guaranteed the overall structure reliability of connecting the muscle net.
Further, the whole body of the fiber adhesive tape body is of a woven structure.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, can ensure effective connection between this fibre sticky tape multilayer, be difficult for taking place interlaminar separation in storage, transportation and use etc. of fibre sticky tape to ensure that the thermoplastic resin granule remains the even state of laying of leaving the factory throughout.
In order to obviously improve the bearing capacity and the service life of the reinforcing bar net and save maintenance and repair cost, the invention also provides a fixed connection method of the FRP fiber adhesive tape for quick connection, which comprises the following steps:
(1) winding the FRP fiber adhesive tape on a connecting rib/net;
(2) and (2) heating the FRP fiber adhesive tape in the step (1) to enable the thermoplastic resin particles in the adhesive tape to be mutually bonded after being heated and softened.
According to the technical scheme, compared with the prior art, the invention also provides a method for fixedly connecting the connecting ribs by the FRP fiber adhesive tape for quick connection, and the method comprises the following steps of firstly, effectively winding the connecting rib net by the FRP fiber adhesive tape to realize one-time firm binding of the rib net; furthermore, the bound FRP fiber adhesive tape is heated to promote thermoplastic resin particles in the FRP fiber adhesive tape to be heated, softened and bonded with each other, so that effective bonding between multiple layers of fiber adhesive tapes is realized, the firmness of the FRP fiber adhesive tape for winding a rib net is further enhanced, the fixed connection method is easy to operate, the connection efficiency of FRP ribs is high, the connection effect is good, and the site construction is flexible and convenient.
Further, the width of the FRP fiber adhesive tape is smaller than the diameter of the connecting rib/net.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, can effectively increase FRP fibre sticky tape and the area of contact of connecting rib in winding process, improve the confining force of fibre sticky tape fixed connection muscle net, still avoided too wide fibre sticky tape to form local kinking fold in winding process simultaneously, improved the confining performance of fibre sticky tape, prolonged the life of fibre sticky tape.
Further, the method for connecting the structure with higher requirement on the connecting force further comprises the following steps: and coating bonding resin on the surface layer of the wound FRP fiber adhesive tape to enhance the connecting force.
Adopt the beneficial effect that above-mentioned technical scheme produced to be, can further consolidate connection structure, prevent that the connection under the high external force from taking off.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a sectional view of an FRP fiber tape for quick connection according to the present invention;
FIG. 2 is a schematic view of a partial structure of an FRP fiber tape for quick connection according to the present invention;
FIG. 3 is a schematic view illustrating an exemplary process of a method for fixing and connecting FRP fiber tapes for quick connection according to the present invention;
FIG. 4 is a schematic view of a fixed connection structure of an FRP fiber tape for quick connection to vertically placed FRP ribs according to the present invention;
FIG. 5 is a schematic view illustrating another exemplary process of a method for fixing and connecting FRP fiber tapes for quick connection according to the present invention;
FIG. 6 is a schematic view of a fixed connection structure of an FRP fiber tape for quick connection to FRP ribs laid in parallel according to the present invention;
fig. 7 is a schematic flow chart of another exemplary method for fixedly connecting FRP fiber tapes for quick connection according to the present invention.
Wherein: 1-fiber tape body, 11-fiber layer, 12-gauze layer, 13-thermoplastic resin particle layer and 131-thermoplastic resin particle.
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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
On the one hand, the invention discloses an FRP fiber adhesive tape for quick connection, which comprises:
the fiber tape comprises a fiber tape body 1, wherein the fiber tape body comprises a fiber layer 11 and gauze layers 12 arranged on two sides of the fiber layer 11, a thermoplastic resin particle layer 13 is further arranged between the fiber layer 11 and the gauze layers 12 on the two sides, and the fiber layer 11, the thermoplastic resin particle layer 13 and the gauze layers 12 are sequentially connected.
According to an optional embodiment of the invention, the fiber layer 11 is a fiber fabric, so that the fiber adhesive tape can adopt a plurality of types of fiber product forms, has a wide application range and is efficient and rapid in secondary processing.
According to an optional embodiment of the invention, the fiber in the fiber fabric is made of aramid fiber, so that the fiber has the advantages of strong bearing capacity, good corrosion resistance and the like.
According to an optional embodiment of the invention, the thickness of the fiber layer 11 is 0.3mm, the thickness of the single-layer gauze layer 12 is 0.1mm, and the arrangement of the gauze layer outside the fiber tape enables the fiber tape to effectively protect the surface appearance of the fiber layer from being damaged in the use process, reduces the shearing friction force between the fiber layers, improves the surface wear resistance and bending resistance of the fiber tape, and thus ensures that the fiber tape is not easy to generate fiber breakage when winding the connecting ribs. The inner gauze layer of the fiber adhesive tape, namely the side gauze layer of the thermoplastic resin particles can play a good bearing role on the thermoplastic resin particle layer. Meanwhile, the fiber adhesive tape has the advantages of strong structural performance stability, light weight, convenience in coiling and packaging, convenience in carrying and flexibility and convenience in site construction.
As shown in fig. 1, according to an alternative embodiment of the present invention, the thermoplastic resin particle layer 13 includes a plurality of thermoplastic resin particles 131, and the plurality of thermoplastic particles 131 are uniformly arranged between the fiber layer 11 and the gauze layer 12, and the plurality of thermoplastic resin particles 131 are made of polyethylene, so that the thermoplastic resin particles have strong bonding property after being softened by heat, on one hand, the fiber tapes are bonded with each other between the layers, and simultaneously, the gauze layer seeps out, and the lower fiber tapes are bonded, so that self-bonding between the fiber tape layers is formed, the bonding strength is high, and the reliability of the overall structure of the connection rib net is ensured.
As shown in fig. 2, according to an alternative embodiment of the present invention, the whole body of the fiber tape body 1 is a woven structure, so that effective connection among multiple layers of the fiber tape can be ensured, interlayer separation is not easy to occur during storage, transportation, use and the like of the fiber tape, and the thermoplastic resin particles are ensured to be always kept in a factory uniform laying state.
According to the FRP fiber adhesive tape for quick connection, the fiber layer in the fiber adhesive tape is strong in bearing capacity, can bear large external force, is used for connecting a structure, and is high in connection constraint; thermoplastic resin particles arranged between the fiber layer and the gauze layer are mutually bonded after being heated and softened, so that the upper fiber adhesive tape layer and the lower fiber adhesive tape layer are effectively bonded by self, the interlayer bonding strength is high, the connecting structure is not easy to loosen and lose efficacy, and the reliability is higher; the setting of yarn stratum reticulare not only can effectively protect the fibrous layer to avoid taking place damages such as laddering, broken silk, plays good bearing effect to the thermoplastic resin grained layer simultaneously, still has the effect of coordinating this fibre sticky tape whole bonding effect. The FRP fiber adhesive tape for quick connection has the advantages of reasonable design, simple structure, high connection strength, excellent performance, strong structural stability, corrosion resistance and wear resistance, long service life, high efficiency and quickness in production and preparation, convenience in coiling and packaging, light weight and portability, high connection efficiency, flexibility and convenience in field construction and good market application prospect, and fibers are not easy to wear, fiber drawing or fiber breaking in the using process.
As shown in fig. 3 and 4, according to an alternative embodiment of the present invention, another aspect of the present invention also discloses a method for fixedly connecting FRP fiber tapes for quick connection, comprising the following steps:
(1) vertically and crossly putting the two FRP ribs;
(2) winding the FRP fiber adhesive tape at the intersection point of the two vertically crossed FRP ribs in the step (1) in a reciprocating manner;
(3) and (3) heating the FRP fiber adhesive tape wound in the step (2) to enable the thermoplastic resin particles in the FRP fiber adhesive tape to be mutually bonded after being heated and softened.
As shown in fig. 5 and 6, according to an alternative embodiment of the present invention, another aspect of the present invention also discloses a method for fixedly connecting FRP fiber tapes for quick connection, comprising the following steps:
(1) putting two FRP bars in parallel;
(2) alternately winding the FRP fiber adhesive tape between the two parallel FRP ribs in the step (1);
(3) and (3) heating the FRP fiber adhesive tape wound in the step (2) to enable the thermoplastic resin particles in the FRP fiber adhesive tape to be mutually bonded after being heated and softened.
As shown in fig. 7, according to an alternative embodiment of the present invention, another aspect of the present invention further discloses a method for fixing and connecting FRP fiber tapes for quick connection, comprising the following steps:
(1) putting two FRP bars in parallel;
(2) forming a wrapping surface of the FRP fiber adhesive tape along the two parallel placed FRP ribs in the step (1) for winding;
(3) and (3) heating the FRP fiber adhesive tape wound in the step (2) to enable the thermoplastic resin particles in the FRP fiber adhesive tape to be mutually bonded after being heated and softened.
In the above embodiment, the width of the FRP fiber tape is smaller than the diameter of the FRP rib, so that the contact area between the FRP fiber tape and the FRP rib in the winding process can be effectively increased, the constraint force of the fiber tape fixedly connected with the reinforcing rib net is improved, meanwhile, the formation of local kinking wrinkles of the too wide fiber tape in the winding process is avoided, the constraint performance of the fiber tape is improved, and the service life of the fiber tape is prolonged.
According to an alternative embodiment of the present invention, for a structure with a high requirement on a connection force, on the basis of the above embodiment, the method further includes the following steps: the winding FRP fiber adhesive tape is coated with bonding resin to enhance the connecting force, so that the connecting structure can be further reinforced, and the connection under high external force is prevented from loosening.
The invention relates to a fixed connection method of an FRP fiber adhesive tape for quick connection, which comprises the following steps of firstly, effectively winding a connecting rib net by using the FRP fiber adhesive tape to realize one-time firm binding of the rib net; furthermore, the bound FRP fiber adhesive tape is heated to promote thermoplastic resin particles in the FRP fiber adhesive tape to be heated, softened and bonded with each other, so that effective bonding between multiple layers of fiber adhesive tapes is realized, the firmness of the FRP fiber adhesive tape for winding a rib net is further enhanced, the fixed connection method is easy to operate, the connection efficiency of FRP ribs is high, the connection effect is good, and the site construction is flexible and convenient.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An FRP fiber tape for quick connection, which is characterized by comprising: the fiber adhesive tape comprises a fiber adhesive tape body (1), wherein the fiber adhesive tape body comprises a fiber layer (11) and gauze layers (12) arranged on two sides of the fiber layer (11), a thermoplastic resin particle layer (13) is further arranged between the fiber layer (11) and the gauze layers (12) on the two sides, and the fiber layer (11), the thermoplastic resin particle layer (13) and the gauze layers (12) are sequentially connected.
2. The FRP fiber tape for quick connection as claimed in claim 1, wherein the fiber layer (11) is one of fiber bundle, fiber fabric or fiber prepreg.
3. The FRP fiber tape for quick connection as claimed in claim 2, wherein the fiber of the fiber bundle, the fiber fabric and the fiber prepreg is one of aramid fiber, carbon fiber, basalt fiber or glass fiber.
4. The FRP fiber tape for quick connection as claimed in claim 1, wherein the thickness of the fiber layer (11) is 0.05-0.5mm, and the thickness of the single layer of the gauze layer (12) is 0.02-0.3 mm.
5. The FRP fiber tape for quick connection as claimed in claim 1, wherein the thermoplastic resin particle layer (13) comprises a plurality of thermoplastic resin particles (131), and a plurality of the thermoplastic particles (131) are uniformly arranged between the fiber layer (11) and the screen layer (12).
6. The FRP fiber tape for quick connection as claimed in claim 5, wherein the material of the plurality of thermoplastic resin particles (131) is one or more of polypropylene, polyethylene and polyamide.
7. FRP fiber tape for quick connection according to any of claims 1 to 6, characterized in that the whole body of the fiber tape body (1) is of a woven structure.
8. A fixed connection method of FRP fiber adhesive tapes for quick connection is characterized by comprising the following steps:
(1) winding the FRP fiber tape of any one of claims 1 to 7 on a connecting rib/net;
(2) and (2) heating the wound FRP fiber adhesive tape in the step (1) to enable the thermoplastic resin particles (131) in the adhesive tape to be mutually bonded after being heated and softened.
9. The method for fixing and connecting FRP fiber tapes for quick connection as claimed in claim 8, wherein the width of the FRP fiber tapes is smaller than the diameter of the connecting rib/net.
10. The method for fixedly connecting FRP fiber tapes for quick connection according to claim 8 or 9, wherein the method further comprises the following steps corresponding to the structure with higher requirement on connection force: and coating bonding resin on the surface layer of the wound FRP fiber adhesive tape to enhance the connecting force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380560.3A CN111057477B (en) | 2019-12-27 | FRP fiber tape for quick connection and fixed connection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911380560.3A CN111057477B (en) | 2019-12-27 | FRP fiber tape for quick connection and fixed connection method thereof |
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| CN111057477A true CN111057477A (en) | 2020-04-24 |
| CN111057477B CN111057477B (en) | 2024-04-19 |
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| CN110306728A (en) * | 2019-06-13 | 2019-10-08 | 东南大学 | A kind of FRP tendons anchoring expansion end, processing method and anchoring process |
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| CN104563522A (en) * | 2014-11-25 | 2015-04-29 | 中冶建筑研究总院有限公司 | Permanent connection method for FRP (Fiber Reinforced Plastic) rebars |
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