KR100717623B1 - Fiber reinforced panel, manufacturing method, and concrete structure reinforcing method using thereof - Google Patents

Abstract

The present invention is a first resin-impregnated continuous filament mat layer; A first resin impregnated unidirectional fiber layer laminated on an upper surface of the first resin impregnated continuous filament mat layer; And a second resin-impregnated one-way fiber layer laminated on the bottom surface of the first resin-impregnated continuous filament mat layer, wherein the uneven surface is repeatedly formed on one or both surfaces of the upper and lower outer surfaces of which the lamination is completed. It relates to a fiber reinforced panel, a method of manufacturing the same, and a method of reinforcing concrete structures using the same.

Resin impregnated unidirectional fiber layer, resin impregnated continuous filament mat layer, uneven surface, powder particles

Description

Fiber Reinforced Panel, Manufacturing Method and Its Reinforcement Method of Concrete Structures {Fiber Reinforced Panel, Manufacturing method, and Concrete structure Reinforcing method using IEC}

1 is a specific embodiment of a fiber reinforced panel.

2 is another specific embodiment of a fiber reinforced panel.

3 is a specific embodiment of a method for manufacturing a fiber reinforced panel.

4 is a specific embodiment of a method of reinforcing concrete structures using fiber reinforced panels.

5 is another specific embodiment of a method for reinforcing a concrete structure using a fiber reinforced panel.

6 is another specific embodiment of a method for reinforcing a concrete structure using a fiber reinforced panel.

7 is another specific embodiment of a method of reinforcing concrete structures using fiber reinforced panels.

8 shows a corrosion preventing nut used in the specific embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: unidirectional fiber

110: first resin impregnated unidirectional fiber layer

120: second resin impregnated unidirectional fiber layer

130: third resin impregnated unidirectional fiber layer

200: continuous filament mat

210: first resin-impregnated continuous filament mat layer

220: second resin-impregnated continuous filament mat layer

10a, 10b: Feeder

20a, 20b: resin impregnation

30: Mold

35: drawing machine

40: Abandoned resin

50: particle spreader

55: particle dryer

60: Curing machine

70: cutter

400: fiber reinforced panel

401: uneven surface 402: powder particles

403: Anchor bolt insertion hole 404: Injection hole

405: air outlet

410: Guide bushing

420: anchor bolt

430: Corrosion prevention nut

431: screw portion 432: corrosion protection

440: putty type adhesive

450: Inorganic or epoxy mortar

451: polymer cement mortar

460: Injection adhesive

470: sealing agent

480: Spacer

490: nuts

Field of technology

The present invention is a first resin-impregnated continuous filament mat layer; A first resin impregnated unidirectional fiber layer laminated on an upper surface of the first resin impregnated continuous filament mat layer; And a second resin-impregnated one-way fiber layer laminated on the bottom surface of the first resin-impregnated continuous filament mat layer, wherein the uneven surface is repeatedly formed on one or both surfaces of the upper and lower outer surfaces of which the lamination is completed. It relates to a fiber-reinforced panel and a method of manufacturing the same.

The present invention also relates to a concrete structure reinforcement method using a fiber reinforced panel.

Prior art

Conventional carbon plates used for reinforcement of concrete structures are manufactured in the form of a plate by impregnating one-way carbon fibers in a thermosetting resin, and such carbon plates are manufactured in a state in which carbon fibers are arranged only in the longitudinal direction, thereby resulting in the formation of carbon fibers. There is a disadvantage in that the cracking phenomenon occurs, there is a problem that is difficult to manufacture a wide plate.

In addition, in fixing the carbon plate to the concrete structure to be reinforced, in case of fixing the surface of the concrete structure to be reinforced using the anchor bolt by drilling holes in the carbon plate, the compressive force acts on the carbon fiber at the part where the anchor bolt is installed. Carbon plates rupture easily.

This is because tensile strength is very excellent in carbon fiber, but compressive strength is hardly expected.

Therefore, when reinforcing a concrete structure using such a carbon plate, the carbon plate is usually fixed to the concrete structure to be reinforced using only an adhesive, and when the adhesive is fixed only, the carbon plate is easily separated from the concrete structure as time passes. have.

The object of the present invention created to solve the above problems is as follows.

 First, it is an object of the present invention to provide a fiber-reinforced panel of a new configuration that can prevent the phenomenon that the carbon fiber, which is a problem of the conventional carbon plate due to the cracking.

Second, another object of the present invention is to provide an oil reinforcement panel having a structure capable of improving adhesion to concrete structures to be reinforced.

Third, another object of the present invention is to provide a means for effectively manufacturing a fiber reinforced panel.

Fourth, it is another object of the present invention to provide a variety of reinforcement method according to the state of the concrete structure to be reinforced using the fiber reinforced panel.

The present invention created to achieve the above object is configured as follows.

The present invention is a first resin-impregnated continuous filament mat layer; A first resin impregnated unidirectional fiber layer laminated on an upper surface of the first resin impregnated continuous filament mat layer; And a second resin-impregnated one-way fiber layer laminated on the bottom surface of the first resin-impregnated continuous filament mat layer, wherein the uneven surface is repeatedly formed on one or both surfaces of the upper and lower outer surfaces of which the lamination is completed. The present invention relates to a fiber reinforced panel.

In addition, the present invention is a fiber-reinforced panel consisting of a resin-impregnated one-way fiber layer and a continuous filament mat layer, the mounting step of mounting the one-way fiber and the continuous filament mat to each of the roll-type feeder; A resin impregnation step in which the unidirectional fibers and the continuous filament mat pass through the resin impregnation tank, respectively; A supply step of continuously supplying the resin impregnated unidirectional fiber and the resin impregnated continuous filament mat having passed through the resin impregnation step into a mold; A heating molding step of sequentially laminating the resin-impregnated one-way fibers and the resin-impregnated continuous filament mat, which are supplied into a mold, and integrally stacking them to form uneven surfaces on one or both surfaces of the stacked upper and lower outer surfaces; And a cutting step of cutting the fiber reinforced panel to a predetermined length using a cutter.

In addition, the present invention is composed of a resin-impregnated one-way fiber layer and a resin-impregnated continuous filament mat layer, as a reinforcing method of the concrete structure using a fiber-reinforced panel formed with a concave-convex surface on one surface of the outer surface, anchor bolt insertion openings to the fiber-reinforced panel Transport step of transporting the fiber reinforced panel to the construction site after processing; An anchor bolt installation step of grinding the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at a position corresponding to the anchor bolt insertion hole to remove dust and foreign substances; Surface adhesive coating step of applying a putty-type adhesive to the surface of the polished concrete structure; Uneven surface adhesive coating step of applying a putty-type adhesive to the uneven surface of the fiber reinforced panel; And inserting the anchor bolt insertion hole into the anchor bolt so that the uneven surface of the fiber reinforced panel coated with the putty-type adhesive adheres to the surface of the polished concrete structure, and fastening the anti-corrosion nut, which has been treated with corrosion, to the anchor bolt. It relates to a reinforcement method of a concrete structure using a fiber-reinforced panel comprising a mounting step.

In addition, the present invention is composed of a resin impregnated unidirectional fiber layer and a resin impregnated continuous filament mat layer, an uneven surface is formed on one surface of the outer surface and one or more of silica sand, blast furnace steel slag or garnet on the other surface of the outer surface A method for reinforcing a concrete structure using the fiber reinforced panel to which the mixed powder particles are attached, the transport step of transporting the fiber reinforced panel to the construction site after processing the anchor bolt insertion hole in the fiber reinforced panel; A buried groove processing step of processing a buried groove having a depth of 20 mm to 30 mm to accommodate the fiber reinforced panel on the surface of the concrete structure to be reinforced; An anchor bolt installation step of removing dust and foreign matters after installing a plurality of anchor bolts at positions corresponding to the anchor bolt insertion holes in the buried grooves; A buried groove adhesive coating step of applying a putty-type adhesive to the buried groove; Uneven surface adhesive coating step of applying a putty-type adhesive to the uneven surface of the fiber reinforced panel; And a panel mounting step of inserting the anchor bolt insertion hole into the anchor bolt and fastening a nut to the anchor bolt such that the uneven surface of the fiber reinforced panel to which the putty-type adhesive is applied is in close contact with the surface of the buried groove. And a mortar charging step of filling an inorganic or epoxy mortar on an upper surface of a fiber reinforced panel on which a nut is fastened so that the height matches the surface of an existing concrete structure. will be.

In addition, the present invention is composed of a resin-impregnated one-way fiber layer and a resin-impregnated continuous filament mat layer, as a reinforcing method of the concrete structure using a fiber-reinforced panel formed with a concave-convex surface on one surface of the outer surface, anchor bolt insertion openings to the fiber-reinforced panel Transport step of transporting the anchor bolt insertion hole to the construction site after processing; An anchor bolt installation step of grinding the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at a position corresponding to the anchor bolt insertion hole to remove dust and foreign substances; After inserting the washer-shaped spacer into the anchor bolt, insert the anchor bolt insertion hole into the anchor bolt so that the concave-convex surface of the fiber reinforced panel faces the polished concrete structure, and the anti-corrosion nut with the anti-corrosion treatment anchor bolt Panel mounting step to fasten to; Sealing step of sealing with a sealing agent along the edge of the fiber reinforced panel; It relates to a method of reinforcing a concrete structure using a fiber-reinforced panel, comprising; and an adhesive injection step of installing an inlet and an air outlet on the fiber-reinforced panel and injecting an injection-type adhesive through the inlet.

In addition, the present invention comprises a resin impregnated unidirectional fiber layer and a resin impregnated continuous filament mat layer, one surface of the outer surface is formed with an uneven surface, any one or two or more of silica sand, blast furnace steel slag or garnet on the uneven surface As a method of reinforcing concrete structures using a fiber reinforced panel to which the mixed powder particles are further attached, the anchor bolt insertion hole is processed into the fiber reinforced panel, the guide bushing is inserted into the anchor bolt insertion hole, and then the fiber reinforced panel is installed at the construction site. A conveying step of conveying; An anchor bolt installation step of polishing the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at positions corresponding to the anchor bolt insertion openings to remove dust and foreign substances; After inserting a washer-shaped spacer into the anchor bolt, the anchor bolt insertion hole is inserted into the anchor bolt so that the concave-convex surface of the fiber reinforced panel faces the polished concrete structure, and the anti-corrosion nut that has been treated with corrosion is anchored. Fiber panel mounting step of fastening to the bolt; Sealing the three sides with polymer cement mortar along the edge of the fiber reinforced panel; A polymer cement mortar bonding step of filling-bonding polymer cement mortar by spraying the polymer cement mortar into an inner space formed between the fiber reinforced panel and the surface of the concrete structure through one side of an unsealed edge; And a finishing plastering step of finishing plastering along the edge of the fiber reinforced panel.

Hereinafter, with reference to the accompanying drawings, a specific embodiment of the present invention will be described in detail.

1 is a specific embodiment of the fiber reinforced panel, the first resin impregnated continuous filament mat layer 210, the first resin impregnated continuous filament mat layer 210 is laminated on the upper surface of the first resin impregnated continuous filament mat layer 210 And a second resin impregnated unidirectional fiber layer 120 laminated on the bottom surface of the first resin impregnated continuous filament mat layer 210.

That is, the first resin impregnated one-way fiber layer 110 and the second resin impregnated one-way fiber layer 120 are integrally stacked on the upper and lower surfaces of the first resin-impregnated continuous filament mat layer 210, respectively.

The uneven surface 401 may be formed only on one surface of the upper and lower outer surfaces of which the lamination is completed, as shown in FIG. 1 (a), and both surfaces of the upper and lower outer surfaces of which the lamination is completed, as shown in FIG. It may be formed repeatedly in the.

The shape of the uneven surface 401 is not limited to the shape shown in the accompanying drawings, of course, the uneven surface of various sizes and shapes can be freely selected and applied.

FIG. 2 shows another embodiment of the fiber reinforced panel, in which a second resin-impregnated continuous filament mat layer 220 is further laminated on the lower surface of the second resin-impregnated one-way fiber layer 120 shown in FIG. The third resin impregnated unidirectional fiber layer 130 is further laminated on the lower surface of the impregnated continuous filament mat layer 220.

That is, the first resin-impregnated one-way fiber layer 110, the first resin-impregnated continuous filament mat layer 210, the second resin-impregnated one-way fiber layer 120, the second resin-impregnated continuous filament mat layer 220, and the third resin The impregnated unidirectional fiber layer 130 is sequentially stacked and integrated structure.

The uneven surface 401 may be formed only on one surface of the upper and lower outer surfaces on which the lamination is completed, as shown in FIG. 2 (a), and both surfaces of the upper and lower outer surfaces on which the lamination is completed, as shown in FIG. It may be formed repeatedly in the.

The shape of the uneven surface 401 is not limited to the shape shown in the accompanying drawings, of course, the uneven surface of various sizes and shapes can be freely selected and applied.

The first resin-impregnated one-way fiber layer 110, the second resin-impregnated one-way fiber layer 120, and the third resin-impregnated one-way fiber layer 130 used in specific embodiments of the present invention may be any one of carbon fiber, glass fiber, or aramid fiber. It consists of one or two or more mixtures.

The first resin-impregnated continuous filament mat layer 210 and the second resin-impregnated continuous filament mat layer 220 used in a specific embodiment of the present invention are composed of glass fibers woven randomly without direction.

First resin impregnated unidirectional fiber layer 110, second resin impregnated unidirectional fiber layer 120, third resin impregnated unidirectional fiber layer 130, first resin impregnated continuous filament mat layer 210, and second resin impregnated continuous filament mat Layer 220 is impregnated with resin in the manufacturing process and then cured to form an integral part.

One or both surfaces of the upper and lower outer surfaces in which the lamination is completed in the same structure as the specific embodiment of the present invention shown in FIGS. 1 and 2 may be mixed with one or more of silica sand, blast furnace steel slag, or garnet as necessary. Powder particles 402 are applied and adhered in a manner as shown in FIG.

The manufacturing method of the fiber reinforced panel shown in Figure 3 is as follows.

In order to continuously manufacture the fiber-reinforced panel 400 composed of the resin-impregnated one-way fiber layers 110, 120 and 130 and the resin-impregnated continuous filament mat layers 210 and 220, manufacturing is performed in the following steps.

(1) a fermentation step;

Mounting the one-way fiber 100 and the continuous filament mat 200 to the roll-type feeder (10a, 10b), respectively, the one-way fiber 201 and the continuous filament mat 200 as shown in FIG. It is mounted on the feeders (10a, 10b) to enable continuous supply.

(2) resin impregnation step;

The one-way fiber 100 and the continuous filament mat 200 is passed through the resin impregnation tank (20a, 20b), respectively, the one-way fiber 100 is continuously supplied from the feeder (10a, 10b) of the roll form The continuous filament mat 200 is impregnated with resin while continuously passing through the resin impregnation tanks 20a and 20b, respectively.

The resin impregnation tanks 20a and 20b are not shown in detail in the separate drawings, but generally, a heat generating device such as an electric resistance wire is built in the resin impregnation tank and a temperature sensor for controlling the temperature of the resin is provided. Keep the temperature appropriate.

(3) feeding step;

Continuously supplying the one-way fiber 100 and the continuous filament mat 200 passed through the resin impregnation step into the mold 30, the one-way fiber 100 and the continuous filament mat 200 impregnated in the resin 30 is continuously supplied to the inside.

(4) heating molding step;

The one-way fiber 100 and the continuous filament mat 200 supplied into the mold 30 are continuously heat-molded to integrally stack and form the uneven surface 401 on one or both surfaces of the stacked upper and lower outer surfaces. As a step, the one-way fiber 100 and the continuous filament mat 200 supplied into the mold 30 are continuously heat-molded while being passed through the mold 30 to be integrally stacked, and at the same time, one surface of the upper and lower outer surfaces stacked. Alternatively, the uneven surface 401 is formed on both surfaces.

Although the mold 30 is not shown in detail, the internal structure of the mold 30 has a shape capable of making a cross section of the fiber reinforced panel 400, and is provided with a heat generating device such as an electrical resistance wire and It is common to have a temperature sensor for controlling the temperature.

As shown in FIG. 3, the mold 30 is provided with a drawer 35 to continuously draw the laminated fiber reinforced panel 400, and the fiber reinforced panel 400 passed through the mold 30 is a mold 30. It will have a cross-sectional structure according to the shape of).

(5) adhesive resin coating step;

A step of continuously applying the adhesive resin by using the resin aeration bubble 40 on one or both surfaces of the upper and lower outer surfaces of the fiber reinforced panel 400 transferred to the outside of the mold 30 through the heating molding step, Adhesive resin for attaching the powder particles 402 to one surface or both surfaces of the upper and lower outer surfaces of the fiber reinforced panel 400 is laminated.

(6) powder particle spraying step;

On the surface to which the adhesive resin is applied, one or more powder particles 402 mixed with silica sand, blast furnace steel slag or garnet are continuously sprayed with the particle sprayer 50.

The powder particles 402 are completely dried in the particle dryer 55 shown in FIG. 3 and then supplied to the particle sprayer 50 and sprayed.

(7) curing step;

The fiber reinforced panel 400 sprayed with powder particles is continuously cured in the curing machine 60 so that the powder particles 402 are firmly attached to the surface of the fiber reinforced panel 400.

(8) cutting step;

The fiber reinforced panel 400 is cut to a predetermined length using the cutter 70.

The fiber reinforced panel 400 manufactured in this way may be subjected to an additional process of processing the anchor bolt insertion hole 403 as necessary.

Reinforcement method of the concrete structure using the fiber reinforced panel 400 shown in Figure 4 is composed of a resin impregnated one-way fiber layer (110, 120, 130) and a resin-impregnated continuous filament mat layer (210, 220), one of the outer surface As a specific embodiment of the reinforcing method of the concrete structure using the fiber-reinforced panel 400 having the uneven surface 401 formed on the surface, the process is performed as follows.

(1) conveying step;

After processing a plurality of anchor bolt insertion holes 403 to the fiber reinforced panel 400, and carries the fiber reinforced panel 400 to the construction site.

In other words, the fiber reinforced panel 400 provided with the anchor bolt insertion hole 403 arranged in a predetermined form is used to be transported to the construction site.

(2) anchor bolt installation step;

After grinding the surface of the concrete structure to be reinforced, and installing a plurality of anchor bolts 420 on the surface of the concrete structure at a position corresponding to the anchor bolt insertion hole 403, and removes dust and foreign matter from the surface of the concrete structure do.

(3) surface adhesive coating step;

The putty-type adhesive 440 is evenly applied to the surface of the polished concrete structure.

(4) uneven surface adhesive coating step;

The putty-type adhesive 440 is evenly applied to the uneven surface 401 of the conveyed fiber reinforced panel 400.

(5) fiber panel mounting step;

Insert the anchor bolt insertion hole 403 into the anchor bolt 420 so that the concave-convex surface 401 of the fiber reinforced panel 400 coated with the putty-type adhesive 440 adheres to the surface of the polished concrete structure. The anti-corrosion nut 430 to the anchor bolt 420.

As shown in FIG. 8, the anti-corrosion nut 430 is integrally coupled to the anti-corrosion part 432 made of a synthetic resin material, so that the anti-corrosion nut 430 is completely connected to the anchor bolt 420. When fastened, the screw part 431 is not exposed to the outside.

The reinforcement method of the concrete structure using the fiber reinforced panel 400 shown in Figure 5 is composed of a resin impregnated one-way fiber layer (110, 120, 130) and a resin impregnated continuous filament mat layer (210, 220), one of the outer surface Concave-convex surface 401 is formed on the surface and the concrete structure using a fiber-reinforced panel 400 is attached to the other surface of the outer surface of any one or two or more of silica sand, blast furnace steel slag or garnet is attached to the powder particles (402) As a specific embodiment of the reinforcement method, the following process is made.

(1) conveying step;

After the anchor bolt insertion hole 403 is processed into the fiber reinforced panel 400, the fiber reinforced panel 400 is transported to the construction site.

(2) landfill groove processing step;

A burrow groove having a depth of 20 mm to 30 mm is processed to accommodate the fiber reinforced panel 400 on the surface of the concrete structure to be reinforced.

(3) anchor bolt installation step;

After tableting and installing a plurality of anchor bolts 420 in the buried grooves to correspond to the anchor bolt insertion holes 403, the dust and foreign matter inside the buried grooves are removed.

(4) landfill home adhesive preparation step;

The putty adhesive 440 is evenly applied to the inner surface of the buried groove.

(5) uneven surface adhesive coating step;

The putty-type adhesive 440 is evenly applied to the uneven surface 401 of the fiber reinforced panel 400.

(6) fiber panel mounting step;

Insert the anchor bolt 420 into the anchor bolt insertion hole 403 and insert the nut 490 so that the uneven surface 401 of the fiber reinforced panel 400 coated with the putty adhesive 440 adheres to the inner surface of the buried groove. Fasten to the anchor bolt 420.

(7) mortar filling step;

Fill the inorganic or epoxy mortar 450 on the upper surface of the fiber reinforced panel 400 is fastened to the nut 490 to match the height of the existing concrete structure.

6 is composed of a resin impregnated unidirectional fiber layer (110, 120, 130) and a resin impregnated continuous filament mat layer (210, 220), one surface of the outer surface of the fiber reinforced panel 400 having an uneven surface 401 is formed; As a specific embodiment of the reinforcement method of the concrete structure used, it consists of the following process.

(1) conveying step;

After the anchor bolt insertion hole 403 is processed into the fiber reinforced panel 400, the fiber reinforced panel 400 is transported to the construction site.

(2) anchor bolt installation step;

The surface of the concrete structure to be reinforced is polished, and after the plurality of anchor bolts 420 are installed at positions corresponding to the anchor bolt insertion holes 403, the dust and foreign substances are removed from the surface of the concrete structure.

(3) fiber panel mounting step;

After inserting the washer-shaped spacer 480 into the anchor bolt 420, the anchor bolt 420 anchor bolt insertion hole 403 so that the concave-convex surface 401 of the fiber-reinforced panel 400 to face the polished concrete structure ) And fasten the anti-corrosion nut 430 that is anti-corrosion treatment to the anchor bolt 420.

That is, the fiber reinforced panel 400 is mounted on the surface of the concrete structure in a state spaced apart by a distance corresponding to the height of the spacer 480 of the washer shape.

(4) sealing step;

The gap between the fiber reinforced panel 400 and the surface of the concrete structure generated by the washer-shaped spacer 480 along the edge of the fiber reinforced panel 400 is sealed with a sealing agent 470.

(5) adhesive injection step;

The inlet 404 and the air outlet 405 are installed in the fiber reinforcement panel 400 and the injection-type adhesive 460 is injected through the inlet 404 to fill the internal space generated by the washer-shaped spacer 480. Fill it completely.

As the injection type adhesive 460 is filled through the inlet 404, the air occupying the inner space between the fiber reinforced panel 400 and the concrete structure surface sealed with the sealing agent 470 through the air outlet 405 is filled. It is discharged to the outside.

7 is composed of resin impregnated unidirectional fiber layer (110, 120, 130) and resin impregnated continuous filament mat layer (210, 220), an uneven surface 401 is formed on one surface of the outer surface, uneven surface 401 As a concrete embodiment of the method of reinforcing concrete structures using the fiber reinforced panel 400, which is further attached to the powder particles 402 of any one or two of silica sand, blast furnace steel slag or garnet, Is done.

(1) conveying step;

The anchor bolt insertion hole 403 is processed into the fiber reinforced panel 400, and the guide bushing 410 is inserted into the anchor bolt insertion hole 403, and then the fiber reinforced panel 400 is transported to the construction site.

(2) anchor bolt installation step;

The surface of the concrete structure to be reinforced is polished and a plurality of anchor bolts 420 are installed at positions corresponding to the anchor bolt insertion holes 403 to remove dust and foreign substances.

(3) fiber panel mounting step;

After inserting the washer-shaped spacer 480 into the anchor bolt 420, the anchor bolt 420 anchor bolt insertion hole 403 so that the concave-convex surface 401 of the fiber-reinforced panel 400 to face the polished concrete structure ) And fasten the anti-corrosion nut 430 to the anchor bolt (420).

(4) sealing step;

A gap between the surface of the concrete structure and the fiber reinforced panel 400 generated by the washer-shaped spacer 480 along the edge of the fiber reinforced panel 400 is sealed with a polymer cement mortar 451.

In this case, only three sides of the edge are sealed, and one side is kept unsealed and kept open.

(5) polymer cement mortar bonding step;

The polymer cement mortar 451 is spray-filled by spraying the polymer cement mortar 451 into an inner space (void) formed between the fiber reinforced panel 400 and the surface of the concrete structure through one side of the edge not sealed.

(6) finishing plastering step;

Plastering is done along the edge of the fiber reinforced panel.

Specific embodiments of the present invention as described above may be applied to the concrete structure of the planar shape as well as to the arched inner wall of the tunnel.

Technical effects according to the present invention of the above configuration is as follows.

First, it is possible to provide a fiber-reinforced panel 400 of a new configuration that can prevent the cracking phenomenon caused by the carbon fiber is a problem of the conventional carbon plate.

In other words, the continuous filament mat layer (210. 220) is a structure in which the one-way fiber layer (110, 120, 130) is laminated together to prevent the phenomenon of splitting according to the fiber grain of the one-way fiber layer (110, 120, 130) and stiffness in all directions Can be secured.

Second, it is possible to provide a fiber-reinforced panel 400 of a structure that can improve the adhesion to the concrete structure to be reinforced.

In other words, when the uneven surface 401 is provided on one or both surfaces of the outer surface, the adhesive force may be enhanced when the adhesive or mortar is mounted on the concrete structure to be reinforced.

In addition, at the same time using the adhesive or the like anchor bolt 420 can be more firmly mounted to the fiber reinforced panel 400 to the concrete structure.

Third, it is possible to provide a concrete structure reinforcement method using the fiber reinforced panel 400 of the structure that can prevent corrosion.

In other words, by using the anti-corrosion nut 430 to prevent the metal part from being exposed to the outside to prevent corrosion to extend the life of the product and increase the durability of the reinforced concrete structure.

In particular, in the case of concrete structures located on the shore, when using the fiber-reinforced panel and the anti-corrosion nut 430 of the present invention can have an excellent anti-corrosion effect.

Fourth, it is possible to effectively manufacture the fiber reinforced panel 400.

In other words, the fiber reinforced panel 400 is manufactured in a continuous manner as shown in FIG. 3, which reduces the manufacturing time, thereby enabling mass production and significantly reducing manufacturing costs.

Fifth, using the fiber reinforced panel 400 can be reinforced in a variety of ways depending on the state of the concrete structure to be reinforced.

In other words, the concrete structure can be partially reinforced by various methods as shown in FIGS. 4 to 7, thereby extending its application range.

Claims (11)

A first resin-impregnated continuous filament mat layer; A first resin impregnated unidirectional fiber layer laminated on an upper surface of the first resin impregnated continuous filament mat layer; And, A second resin impregnated unidirectional fiber layer laminated on a lower surface of the first resin impregnated continuous filament mat layer; Consists of including Fiber-reinforced panel, characterized in that the uneven surface is formed repeatedly on one surface or both surfaces of the upper and lower outer surface is completed. In claim 1, A second resin-impregnated continuous filament mat layer laminated on a lower surface of the second resin-impregnated one-way fiber layer; And, A third resin impregnated unidirectional fiber layer laminated on the bottom surface of the second resin impregnated continuous filament mat layer; Fiber reinforced panel characterized in that it further comprises. In claim 2, The first resin impregnated unidirectional fiber layer, the second resin impregnated unidirectional fiber layer and the third resin impregnated unidirectional fiber layer are fiber reinforced panels, characterized in that composed of any one or two or more of carbon fiber, glass fiber or aramid fiber. The method of claim 2 or 3, And the first resin-impregnated continuous filament mat layer and the second resin-impregnated continuous filament mat layer are made of glass fibers. In claim 4, Powder particles in which any one or two or more of silica sand, blast furnace steel slag or garnet adhered to one or both surfaces of the upper and lower outer surfaces of the lamination is mixed; Fiber reinforced panel characterized in that it further comprises. In a fiber reinforced panel composed of a resin impregnated unidirectional fiber layer and a continuous filament mat layer, Mounting the one-way fiber and the continuous filament mat to each of the roll-type feeder; A resin impregnation step in which the unidirectional fibers and the continuous filament mat pass through the resin impregnation tank, respectively; A supply step of continuously supplying the resin impregnated unidirectional fiber and the resin impregnated continuous filament mat having passed through the resin impregnation step into a mold; A heating molding step of sequentially laminating the resin-impregnated one-way fibers and the resin-impregnated continuous filament mat, which are supplied into a mold, and integrally stacking them to form uneven surfaces on one or both surfaces of the stacked upper and lower outer surfaces; And, Cutting the fiber reinforced panel to a certain length using a cutter; Fiber reinforced panel manufacturing method comprising a. In claim 6, An adhesive resin coating step of continuously applying an adhesive resin on one or both surfaces of the upper and lower outer surfaces of the fiber reinforced panel transferred to the outside of the mold by passing the heating molding step by using a resin lapping machine; A powder particle spraying step of continuously spraying powder particles in which any one or two or more of silica sand, blast furnace steel slag or garnet are mixed with a particle sprayer on the surface to which the adhesive resin is applied; And, A curing step of continuously curing the fiber reinforced panel sprayed with powder particles in the curing machine; The method of manufacturing a fiber-reinforced panel further comprising. As a method of reinforcing a concrete structure using a fiber-reinforced panel composed of a resin-impregnated one-way fiber layer and a resin-impregnated continuous filament mat layer having an uneven surface formed on one surface of the outer surface, A transport step of transporting the fiber reinforced panel to the construction site after processing the anchor bolt insertion hole in the fiber reinforced panel; An anchor bolt installation step of grinding the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at a position corresponding to the anchor bolt insertion hole to remove dust and foreign substances; Surface adhesive coating step of applying a putty-type adhesive to the surface of the polished concrete structure; Uneven surface adhesive coating step of applying a putty-type adhesive to the uneven surface of the fiber reinforced panel; And, Panel mounting step of inserting the anchor bolt insertion hole into the anchor bolt so that the concave-convex surface of the fiber reinforced panel coated with putty adhesive is adhered to the surface of the polished concrete structure, and fastening the anti-corrosion nut to the anchor bolt. ; Reinforcement method of the concrete structure using a fiber-reinforced panel, characterized in that comprising a. Powder impregnated unidirectional fiber layer and resin impregnated continuous filament mat layer, wherein uneven surface is formed on one surface of the outer surface, and one or two or more of silica sand, blast furnace steel slag or garnet is mixed on the other surface of the outer surface Reinforcement method of concrete structure using fiber reinforced panel A transport step of transporting the fiber reinforced panel to the construction site after processing the anchor bolt insertion hole in the fiber reinforced panel; A buried groove processing step of processing a buried groove having a depth of 20 mm to 30 mm to accommodate the fiber reinforced panel on the surface of the concrete structure to be reinforced; An anchor bolt installation step of removing dust and foreign matters after installing a plurality of anchor bolts at positions corresponding to the anchor bolt insertion holes in the buried grooves; A buried groove adhesive coating step of applying a putty-type adhesive to the buried groove; Uneven surface adhesive coating step of applying a putty-type adhesive to the uneven surface of the fiber reinforced panel; And, A panel mounting step of inserting the anchor bolt into the anchor bolt insertion hole and fastening a nut to the anchor bolt so that the uneven surface of the fiber reinforced panel to which the putty-type adhesive is applied is in close contact with the surface of the buried groove; And, Mortar filling step of filling the inorganic or epoxy mortar on the upper surface of the fiber reinforced panel, the nut is fastened so as to match the height of the existing concrete structure; Reinforcement method of the concrete structure using a fiber-reinforced panel comprising a. As a method of reinforcing a concrete structure using a fiber-reinforced panel composed of a resin-impregnated one-way fiber layer and a resin-impregnated continuous filament mat layer having an uneven surface formed on one surface of the outer surface, A transport step of transporting the anchor bolt insertion hole to the construction site after processing the anchor bolt insertion hole into the fiber reinforced panel; An anchor bolt installation step of grinding the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at a position corresponding to the anchor bolt insertion hole to remove dust and foreign substances; After inserting the washer-shaped spacer into the anchor bolt, the anchor bolt is inserted into the anchor bolt insertion hole so that the concave-convex surface of the fiber-reinforced panel faces the ground concrete structure, and the anti-corrosion nut with the anti-corrosion treatment is anchor bolt. Panel mounting step to fasten to; Sealing step of sealing with a sealing agent along the edge of the fiber reinforced panel; And, An adhesive injection step of installing an injection hole and an air discharge port in the fiber reinforced panel and injecting an injection-type adhesive through the injection hole; Reinforcement method of the concrete structure using a fiber-reinforced panel, characterized in that comprising a. The resin impregnated unidirectional fiber layer and the resin impregnated continuous filament mat layer, wherein one surface of the outer surface is formed with an uneven surface, powder powder mixed with any one or two of silica sand, blast furnace steel slag or garnet on the uneven surface As a method of reinforcing concrete structures using more attached fiber reinforced panels, A transport step of processing the anchor bolt insertion hole in the fiber reinforced panel, inserting the guide bushing into the anchor bolt insertion hole, and transporting the fiber reinforced panel to the construction site; An anchor bolt installation step of polishing the surface of the concrete structure to be reinforced and installing a plurality of anchor bolts at positions corresponding to the anchor bolt insertion openings to remove dust and foreign substances; After inserting the washer-shaped spacer into the anchor bolt, the anchor bolt is inserted into the anchor bolt insertion hole so that the concave-convex surface of the fiber-reinforced panel faces the polished concrete structure, and the anti-corrosion nut treated with anti-corrosion treatment is inserted into the anchor bolt. Fiber panel mounting step of fastening to the bolt; Sealing the three sides with polymer cement mortar along the edge of the fiber reinforced panel; A polymer cement mortar bonding step of filling-bonding polymer cement mortar by spraying the polymer cement mortar into an inner space formed between the fiber reinforced panel and the surface of the concrete structure through one side of an unsealed edge; And, Plastering step for finishing the plaster along the edge of the fiber reinforced panel; Concrete structure reinforcement method using a fiber-reinforced panel, characterized in that comprising a.

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