KR200354792Y1 - The fiber complex foam for underwater file reinforcement - Google Patents

Abstract

The present invention provides a fiber composite formwork for reinforcing underwater piles and a method of constructing the fiber composite formwork which protects the surface of the pile submerged in water and strengthens the bearing capacity. The purpose is.

Fiber composite formwork for reinforcing pile piles according to the present invention is to cover the surface of the pile of the fiber composite form formed in accordance with the shape of the pile by impregnating epoxy in various fiber materials on the surface of the steel pipe pile or concrete pile of the water or splash portion Cover and connect both ends of the fiber composite formwork to each other, and install an injection tube and a confirmation tube between the pile and the fiber composite formwork, and between the fiber composite formwork and the pile using the injection tube and the confirmation tube. It is characterized in that the pile is repaired and reinforced with epoxy.

In addition, the method of construction of fiber composite formwork for reinforcing pile piles according to the present invention is to impregnate various fiber materials on the surface of steel pipe piles or concrete piles in water or splashes to produce fiber composite formwork according to the shape of piles ; Fixing the fiber composite formwork by coupling the both ends of the fiber composite formwork to each other on the surface of the pile; Installing an injection tube and a confirmation tube between the pile and the fiber composite formwork; A vacuum pump is connected to the check tube to suck air between the fiber composite formwork and the pile, and an epoxy is connected to the injection tube so that the air sucked by the check tube is evacuated to become a vacuum state. Discharging the epoxy into the confirmation tube while the epoxy is injected into the pile; When the epoxy filling is completed between the pile and the fiber composite formwork, the injection tube and the confirmation tube are removed, and the removed portion is characterized in that the step of sealing the process.

Description

Fiber composite foam for underwater file reinforcement

The present invention relates to a fiber composite formwork for reinforcing pile piles and a construction method thereof, and in particular, by installing a fiber composite formwork around the pile to enhance the bearing capacity while protecting the surface of the pile submerged in water, to preserve the load capacity of the pile The present invention relates to a fiber composite formwork for reinforcing underwater piles and a construction method thereof.

In general, the steel pipe pile is easy in construction and has an advantage in terms of strength, but a weak point in corrosion.

Here, the vertical environment of the ocean in which the steel pipe pile is constructed is largely divided into a marine environment part, a splash zone, a tidal part, a sea part, and a subsea soil part according to the action of sea water.

In the double droplets, the steel pipe pile, which is in contact with the droplets where the thin sea film exists, has the highest corrosion rate because oxygen is sufficiently supplied through the sea film.

Accordingly, in order to solve the corrosion of the steel pipe pile as described above, the surface of the steel pipe pile or concrete pile made of water in the prior art was repaired and reinforcement work by applying epoxy directly or attaching fibers in the water.

However, the above-described underwater epoxy operation is not only a reliable coating operation to the submerged structure, but also a lot of defects in the structure even if performed, there is a problem that causes problems in subsequent processes.

In addition, the above-mentioned epoxy work prevents the pile surface of the corrosion recovery part and drains water, and then performs work such as epoxy on the pile, thereby increasing the construction cost incidentally in addition to the actual construction cost and maintaining the file according to continuous file management. There was a lot of difficulty.

Therefore, the present invention has been devised to solve the above problems, by installing a fiber composite formwork around the pile to protect the surface of the pile submerged in water and at the same time to strengthen the bearing capacity, The object of the present invention is to provide a fiber composite formwork for reinforcing underwater piles and a construction method thereof, which can be preserved.

1 is a perspective view showing a fiber composite formwork for reinforcing underwater piles according to the present invention,

Figure 2 is a plan view showing a fiber composite formwork for underwater pile reinforcement according to the present invention,

Figure 3 is a cross-sectional view showing a fiber composite formwork for underwater pile reinforcement according to the present invention,

Figure 4 is an exemplary view showing an embodiment of the fiber composite formwork for underwater pile reinforcement according to the present invention,

5 is an exemplary view showing an embodiment of the fiber composite formwork for underwater pile reinforcement according to the present invention;

6 is an exemplary view showing an embodiment of a fiber composite formwork for reinforcing pile piles according to the present invention;

7 to 19 is an exemplary view showing a process for repairing a damaged underwater pile using the fiber composite formwork for underwater pile reinforcement according to the present invention,

7 is an exemplary view showing a damaged file state;

8 is an exemplary view showing a state in which the umbrella anchor is installed on the damaged file,

9 is an enlarged cross-sectional view of FIG. 8;

10 is an exemplary view showing a state in which a cross-sectional treatment agent is applied to the surface of a pile using a spray nozzle on the outer circumferential surface of the pile after reinforcing the damaged pile with an umbrella anchor;

11 is an exemplary view showing a state in which an epoxy is filled after installing an injection tube and a confirmation tube between a fiber composite and a pile;

12 is an exemplary view showing a state in which a fiber composite formwork is wrapped around the outer circumferential surface of the file after reinforcing the damaged file with an umbrella anchor;

Figure 13 is a perspective view showing a state installed in the pile pile fiber composite for underwater pile reinforcement according to the present invention,

14 is a front view showing a state in which the fiber composite formwork for pile pile reinforcement according to the present invention,

Figure 15 is a perspective view showing a state in which the fiber composite formwork for underwater pile reinforcement according to the present invention is connected to the underwater pile up and down,

16 is a front view showing a state in which the fiber composite formwork for underwater pile reinforcement according to the present invention is connected to the underwater pile up and down,

17 is an exploded perspective view showing a state in which a pile due to cross-sectional defects or cracks is reinforced with a fiber composite formwork;

18 is a plan view showing a state in which a pile due to cross-sectional defects or cracks is reinforced with a fiber composite formwork;

19 is a plan view showing a state in which a pile due to cross-sectional defects or cracks is reinforced with a fiber composite formwork;

Explanation of symbols on the main parts of the drawing

10 file 12 drill hole

14: section defect 20: fiber composite formwork

22: coupling portion 22a: main portion

22b: Convex portion 24: Uneven portion

30: injection tube 32: confirmation tube

40: umbrella anchor 42: center support rod

44: support nut 46: umbrella

50: spray nozzle 60: vinyl

Fiber composite formwork for underwater pile reinforcement according to the present invention for achieving the above object is impregnated with epoxy in various fiber materials on the surface of the steel pipe pile or concrete pile of the underwater or splash portion to form the fiber composite form Cover the surface of the pile and connect the coupling parts of both ends of the fiber composite formwork to each other, and install an injection tube and a confirmation tube between the pile and the fiber composite formwork, and the fiber using the injection tube and the confirmation tube It is characterized in that the pile is repaired and reinforced by filling the epoxy between the formwork and the pile.

In addition, the fiber composite formwork method for reinforcing underwater piles according to the present invention for achieving the above object is impregnated with epoxy in various fiber materials on the surface of the steel pipe pile or concrete pile of the underwater or splash portion to fit the shape of the pile Preparing a fiber composite formwork; Fixing the fiber composite formwork by coupling the both ends of the fiber composite formwork to each other on the surface of the pile; Installing an injection tube and a confirmation tube between the pile and the fiber composite formwork; A vacuum pump is connected to the check tube to suck air between the fiber composite formwork and the pile, and an epoxy is connected to the injection tube so that the air sucked by the check tube is evacuated to become a vacuum state. Discharging the epoxy into the confirmation tube while the epoxy is injected into the pile; When the epoxy filling is completed between the pile and the fiber composite formwork, the injection tube and the confirmation tube are removed, and the removed portion is characterized in that the step of sealing the process.

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

1 is a perspective view showing the fiber composite formwork for underwater pile reinforcement according to the present invention, Figure 2 is a plan view showing the fiber composite formwork for underwater pile reinforcement according to the present invention, Figure 3 is a underwater pile reinforcement according to the present invention Figure 4 is a side cross-sectional view showing a fiber composite formwork for the present invention, Figure 4 is an exemplary view showing an embodiment of the fiber composite formwork for reinforcing the underwater pile according to the present invention, Figure 5 is a fiber composite formwork for underwater pile reinforcement according to the present invention Figure 2 is an exemplary view showing an embodiment of Figure 6, Figure 6 is an exemplary view showing an embodiment of the fiber composite formwork for underwater pile reinforcement according to the present invention.

As shown in these figures, the fiber composite formwork for underwater pile reinforcement according to the present invention is impregnated with epoxy in various fiber materials on the surface of the steel pipe pile or concrete pile 10 in the water or splash portion portion of the pile 10 Covering the surface of the pile (10) to form a fiber composite formwork 20 formed in accordance with the shape to connect the both ends coupling portion 22 of the fiber composite formwork 20 to each other, the pile 10 and the fiber composite formwork An injection tube 30 and a confirmation tube 32 are installed between the 20 and the fiber composite form 20 and the pile 10 by using the injection tube 30 and the confirmation tube 32. Filling the gap with epoxy to repair and reinforce the pile (10).

Here, the fiber composite formwork 20 is formed in a rectangular plate as a whole, the coupling portion 22 is formed on both ends of the square plate, the convex portion 22b is fitted into the recessed portion (22a) of the coupling portion 22 Or, the rectangular plate shape is divided into two, the coupling portion 22 is formed on each of the two ends separated, overlapping food structure so that the convex portion (22b) is fitted to the recessed portion (22a) of the coupling portion 22. .

That is, the fiber composite formwork 20 is preferably one in order to facilitate the sealing of the internal space, and may be used by connecting two to three of the fiber composite formwork 20 as necessary.

In addition, the fiber composite formwork 20 is formed in a circular, rectangular, polygonal cross-sectional shape in accordance with the shape of the pile 10, the projections, concave-convex portion 24, the inside of the fiber composite formwork 20 The addition is formed, the outer surface is a structure formed with an ultraviolet coating layer.

This is to increase the adhesion to the inside of the concave-convex state for the unified adhesion of the epoxy and the fiber composite formwork 20 as a filler, and to prevent the fiber composite formwork 20 from being oxidized.

Here, the material of the fiber composite formwork 20 can exhibit a certain strength as a composite material of epoxy and fiber.

Further, the end treatment of the fiber composite formwork 20 uses an epoxy in water having the same strength as the filler of the fiber composite formwork 20 to fix and fix the end portion.

That is, the fiber composite formwork 20 is a device for filling the epoxy into the interior, is integrally in close contact with the epoxy as a filler, and exhibits strength for reinforcing the pile 10.

In particular, the fiber composite formwork 20 is made of a composite material of epoxy and fiber and integrated with the internal filler to withstand external shocks, as well as can be used for reinforcement of internal load.

On the other hand, the surface of the pile 10 can be used to form the uneven portion by using sand blast.

This is to allow the epoxy to adhere closely to the surface of the pile when the pile 10 and the fiber composite formwork 20 are filled with epoxy.

In addition, a predetermined amount of sealing material is installed between the fiber composite formwork 20 and the pile 10 to meet each other, and at the time of inhaling air from the injection tube 30 installed between the fiber composite formwork 20 and the pile 10. It is configured to be in a vacuum state, the epoxy connected to the confirmation tube 32 is configured to be sucked by the vacuum.

Here, a plurality of perforation holes 12 are formed in the damaged portion or the cross-sectional defect portion 14 of the pile 10, and an umbrella rib anchor 40 is inserted into the perforation hole 12 to install the pile 10. ) To increase the adhesion.

In particular, the umbrella anchor anchor 40 has a predetermined number of support nuts 44 screwed around the central support rods 42 and the central support rods 42 having threads formed over the entire length thereof, and the support nuts 44 Umbrella (46) is installed around a plurality of structures.

Here, the pile 10 is made of a steel pipe pile or concrete pile, submerged in water or corroded, or the water level of the splash portion of the pile 10 in contact with the pile 10 and the water surface changes frequently. The surface of the pile 10 is repeatedly submerged in air and water, so that the surface of the pile 10 is deteriorated or corroded, so that the strength of the pile 10 is lowered. The umbrella anchor anchor 40 is installed to reinforce the strength of the pile 10.

In addition, the fiber composite formwork 20 is the material is impregnated with various kinds of fabric material epoxy to produce a fiber composite formwork 20, the fiber composite formwork 20 to wrap the surface of the pile 10 will be.

Here, the various fiber materials constituting the fiber composite formwork 20 is a material that is very resistant to water or air, and also impregnated such a fiber material not easily damaged by an external impact, waterproofing and pile 10 The effect of protecting the strength and the surface of the pile 10.

On the other hand, the umbrella anchor anchor 40 is screwed around the support nut 44 while a certain number of support nuts 44 are screwed around the central support rod 42 is formed threaded over the entire length of the umbrella stem 46 As a structure provided with a plurality of them, the umbrella anchor anchor 40 is inserted into the drilling hole 12 of the pile 10, the fiber composite formwork 20 to the outside of the central support rod 42 of the umbrella anchor anchor 40 This is installed.

Such an umbrella anchor 40 is to install not only to reinforce the strength, but also to increase the adhesion when the pile (10) installed in the water drops due to cross-sectional defects or cracks.

In addition, the umbrella anchor anchor 40 serves to maintain the gap formed between the pile 10 and the fiber composite formwork 20 to obtain a cross section of the required strength and the fiber composite formwork 20 and the pile This is to simultaneously perform the role of allowing the filler to be closely packed between the (10).

Here, the number of the umbrella meat 46 and the number of support nuts 44 constituting the umbrella meat anchor 40 is to be found that can be added or subtracted according to the required stress.

Hereinafter, with reference to the accompanying drawings for the construction of the fiber composite formwork for underwater pile reinforcement according to the present invention made of a configuration as described above will be described in detail.

7 to 19 is an exemplary view showing a process for repairing a damaged underwater pile using the fiber composite formwork for underwater pile reinforcement according to the present invention, Figure 7 is an exemplary view showing a damaged pile state, Figure 8 Is an exemplary view showing a state in which the umbrella anchor is installed on the damaged file, Figure 9 is an enlarged cross-sectional view of Figure 8, Figure 10 is a reinforcement of the damaged file with an umbrella anchor anchor the outer peripheral surface of the pile from the outside of the fiber composite formwork FIG. 11 is a view illustrating a state in which a cross-sectional treatment agent is applied to a surface of a pile by using a spray nozzle, and FIG. 11 is a state in which an epoxy is filled after installing an injection tube and a confirmation tube between the fiber composite and the pile. FIG. 12 is an exemplary view showing a state in which a fiber composite formwork is wrapped around the outer circumferential surface of the file after reinforcing the damaged file with an umbrella anchor, and FIG. 13 is an underwater wave according to the present invention. Reinforcing fiber composite formwork is a perspective view showing a state installed in the pile, Figure 14 is a front view showing a state of the fiber pile formwork for reinforcement is installed in the pile, Figure 15 is an underwater pile according to the present invention Reinforcing fiber composite formwork is a perspective view showing a state connected to the underwater pile up and down, Figure 16 is a front view showing a state in which the fiber composite formwork for reinforcing underwater piles according to the present invention is connected to the underwater pile up and down.

As shown in these drawings, the fiber composite formwork construction method for reinforcing underwater piles according to the present invention is impregnated with epoxy in various fiber materials on the surface of the steel pipe pile or concrete pile (10) in the water or splash portion (10) Producing a fiber composite formwork 20 according to the shape of; Fixing the fiber composite formwork (20) by coupling both ends of the fiber composite formwork (20) to each other on the surface of the pile (10); Installing an injection tube (30) and a confirmation tube (32) between the pile (10) and the fiber composite formwork (20); A vacuum pump is connected to the check tube 32 to suck air between the fiber composite formwork 20 and the pile 10, and an epoxy is connected to the injection tube 30 to suck the air through the check tube 32. Discharging the epoxy into the confirmation tube (32) while the air is discharged to become a vacuum state and the epoxy is injected between the fiber composite formwork (20) and the pile (10); When the epoxy filling is completed between the pile 10 and the fiber composite formwork 20, the injection tube 30 and the confirmation tube 32 are removed, and the removed portion is sealed.

Here, the fiber composite formwork 20 is installed to be connected to the pile 10 continuously, the surface of the pile 10 is wrapped around the coupling portion 22 of both ends of the fiber composite formwork 20 fixedly installed Then, the other fiber composite formwork 20 is sequentially installed by overlapping a lower portion of the fiber composite formwork 20.

At this time, the coupling portion 22 is inserted into the fixing pin so that the binding force of the coupling portion 22 is increased.

In addition, between the pile 10 and the fiber composite formwork 20 is provided with an injection tube 30 and the confirmation tube 32, through the injection tube 30, underwater epoxy putter, underwater mortar, underwater concrete Seal tightly using.

In this case, the internal filler is used for strength reinforcement, and thus epoxy is used, as well as a means for avoiding contact between the water and the pile, as well as a means for strength reinforcement for internal load bearing.

Subsequently, the check tube 32 is sealed and then connected to a vacuum pump to be pumped to maintain a vacuum to remove cracks and to dry the surface of the pile 10.

This is to ensure that the epoxy injected through the injection tube 30, which is a subsequent process, firmly adheres between the pile 10 and the fiber composite formwork 20.

On the other hand, after reinforcing the pile 10 with an umbrella flesh anchor 40 as needed, after installing the fiber composite formwork 20 on the outer side of the umbrella flesh anchor 40, the outer peripheral surface of the pile 10 is fiber The pile 10 is dried using the spray nozzle 50 outside the composite formwork 20.

That is, as described above, the pile 10 and the fiber composite formwork 20 are dried by using the injection tube 30 and the confirmation tube 32 or by the umbrella anchor anchor 40 or the vinyl 60. After repairing and reinforcing the cross section of the pile 10, the space between the pile 10 and the fiber composite formwork 20 is filled with epoxy.

In addition, the injection of the epoxy through the injection tube 30 and the confirmation tube 32 installed between the pile 10 and the fiber composite formwork 20, the epoxy is injected into the injection tube 30 At the same time, the pump is pumped with a vacuum pump and the epoxy is tightly filled between the pile 10 and the fiber composite formwork 20 until the epoxy is discharged into the check tube 32.

That is, injecting epoxy into the injection tube 30 during the epoxy injection is pressure injection is made from the bottom, so that the epoxy filling is completely made in the space between the pile 10 and the fiber composite formwork 20, the confirmation tube This is to secure and inject sufficient time until the epoxy is discharged through (32).

Then, the epoxy injected through the injection pipe 30 is injected in a vacuum state completely wrapped between the pile 10 and the fiber composite formwork 20 by the pressure, and when the injection is stopped, the confirmation tube 32 This is to confirm the epoxy ejection by opening.

Accordingly, the pile 10 and the fiber composite formwork 20 are tightly bonded by epoxy to protect and reinforce the pile 10 from external impact while being able to resist moisture and external temperature changes, and to pile the pile 10. It can strengthen your support.

Subsequently, after removing the injection tube 30 and the confirmation tube 32 provided on the left and right sides of the fiber composite formwork 20, the sealing material is injected into a portion where the injection tube 30 and the confirmation tube 32 are removed. Finish smoothly.

On the other hand, when the length of the fiber composite formwork 20 is short in construction, when the fiber composite formwork 20 is connected to each other, the fiber composite formwork 20 is first installed at the lower end of the pile 10, and then the fiber If the other fiber composite formwork 20 is installed on the upper circumferential surface of the composite formwork 20 in the manner described above, the fiber composite formwork 20 can be connected.

As such, the reason why the fiber composite formwork 20 is connected upward from the lower surface of the pile 10 is to install epoxy between the pile 10 and the fiber composite formwork 20 injected through the injection pipe 30. This is to closely adhere to the adhesive.

Here, the above-described underwater file has been described for convenience only to the conventional circular file 10, but there is no special technical difficulty in applying the present invention to the rectangular file 10, it is possible to easily implement the rectangular file 10. It is to be understood that the present invention is not limited only to the shape of any particular pile 10.

Here, the construction of the fiber composite formwork for reinforcing the underwater pile as described above is preferable to repair and reinforce the damaged surface or the cross section of the pile (10).

However, when the pile 10, which is a part other than the pile 10 described above, penetrates inside and outside the center of the pile 10 due to cracking or damage, it is impossible to install the injection tube 30 and the confirmation tube 32. In addition, in the case of a curved portion or a sharply dug structure, the installation of the fiber composite formwork 20 is virtually impossible, and in the case where drying and sealing are practically impossible on the target structure, the above-described method is avoided. It is even more desirable to reinforce the underwater pile using the construction method.

That is, the fiber composite formwork construction method for reinforcing underwater piles according to the present invention is the case of the steel pipe pile or concrete pile (10) installed in the inner or outer parts that are not sealed and dry or penetrated through the inside and outside due to cross-sectional defects or cracks Impregnating various fiber materials with epoxy on the surface to produce a fiber composite formwork 20 in accordance with the shape of the pile 10;

Fixing the fiber composite formwork 20 by attaching the vinyl 60 to the surface of the pile 10 and simultaneously coupling the both ends of the fiber composite formwork 20 to each other;

Inserting a small injection tube (30) between the pile (10) and the fiber composite formwork (20) and drying the interior thereof;

Repairing and reinforcing cracks and cross-sectional defects 14 of the pile 10 by injecting epoxy into the injection tube 32;

Disassembling the fiber composite formwork 20 from the pile 10 in which the cross-section is reinforced, and simultaneously fixing the fiber composite formwork 20 to the pile 10 to which the vinyl 60 is attached;

Installing an injection tube (30) and a confirmation tube (32) between the vinyl (60) and the fiber composite formwork (20);

A vacuum pump is connected to the check tube 32 to suck air between the fiber composite formwork 20 and the pile 10, and an epoxy is connected to the injection tube 30 to suck the air through the check tube 32. Discharging the epoxy into the confirmation tube (32) while the air is discharged to become a vacuum state and the epoxy is injected between the fiber composite formwork (20) and the pile (10);

When the epoxy filling is completed between the pile 10 and the fiber composite formwork 20, the injection tube 30 and the confirmation tube 32 are removed, and the removed portion is subjected to sealing. Thus, the cross section of the pile 10 damaged by epoxy filling is increased to reinforce the strength of the pile 10.

Here, the fiber composite formwork 20 is installed to be connected to the pile 10 continuously, the surface of the pile 10 is wrapped around the coupling portion 22 of both ends of the fiber composite formwork 20 fixedly installed Then, the other fiber composite formwork 20 is sequentially installed by overlapping a lower portion of the fiber composite formwork 20.

In particular, in the case of applying load-bearing force to the pile 10, the drilling hole 12 is formed on the surface of the pile 10, and the umbrella anchor anchor 40 is installed in the drilling hole 12 to pile 10. Construction is by adding a step to repair and reinforce the cross section.

In addition, the spray nozzle 50 is installed on the outside of the fiber composite formwork 20, and the pile 10 is washed by the spray nozzle 50, a chemical treatment agent is injected into the pile 10, or the pile 10 is provided. ) Is added to the drying step.

That is, when the concrete pile 10 installed in water penetrates the inside and the outside due to the cross-sectional defect or crack, or when sealing and drying is impossible, as shown in FIGS. 17 to 19, the crack or the cross-sectional defect portion 14 After manufacturing the fiber composite formwork 20 having the same diameter as the underwater concrete pile 10, and then attach the vinyl 60 to the interior of the form 20, the vinyl 60 is attached (60) After the fibrous composite formwork 20 is installed in close contact with the pile 10, a small injection tube is inserted between the pile 10 and the fiber composite formwork 20, and the interior is dried through the small injection tube. After the injection, epoxy is injected into the injection pipe 32 to repair and reinforce the cracks and cross-sectional defects 14 of the pile 10, and the fiber composite formwork 20 is formed from the pile 10 to which the cross-section is repaired. Simultaneously dismantle the fiber composite formwork 20 to the pile 10 to which the vinyl 60 is attached. Fixed installation, and the injection tube 30 and the confirmation tube 32 is installed between the vinyl 60 and the fiber composite formwork 20, and connected to a vacuum pump to the confirmation tube 32, the fiber composite The air between the die 20 and the pile 10 is sucked, an epoxy is connected to the injection pipe 30, and the air sucked by the confirmation pipe 32 is discharged into a vacuum state, and the fiber composite die is After the epoxy is discharged into the confirmation tube 32 while the epoxy is injected between the 20 and the pile 10, when the epoxy filling is completed between the pile 10 and the fiber composite formwork 20, The injection tube 30 and the confirmation tube 32 are removed, and the removed portion is subjected to a sealing treatment sequentially to increase the cross section of the pile 10 damaged by epoxy filling to reinforce the strength of the pile 10. will be.

Here, as described above, when the pile 10 installed in the water needs to increase the adhesion force due to cross-sectional defects or cracks, the drilling holes 12 are formed in the pile 10 at regular intervals, and the drilling is performed. Umbrella in which a plurality of umbrella bars 46 are installed around the support nut 44 while screwing a certain number of support nuts 44 around the central support rods 42 with threads formed in the holes 12 over the entire length. Insert and install the flesh anchor 40 to repair and reinforce the cross section of the pile (10).

Subsequently, as described above, after repairing and reinforcing the cross-sectional defects of the pile 10 with the umbrella flesh anchor 40, a fiber composite formwork 20 is secondarily manufactured and installed in the pile 10, and the pile 10 ) And the reinforcing reinforcement of the pile 10 is completed when the epoxy is filled and cured with the fiber composite formwork 20.

The fiber composite for underwater pile reinforcement and the construction method according to the present invention made of the configuration and construction as described above was limited to only the circular pile 10 which is a basic structure for convenience, but can be easily performed on other concrete structures with different shapes. Therefore, the present invention is not limited to any specific shape structure, and it can be found that it can be applied to concrete structures of various shapes in general.

As described above, the fiber composite formwork for the underwater pile reinforcement and its construction method according to the present invention has the following effects.

Firstly, in order to prevent the surroundings of piles installed in water from being corroded or deteriorated by water and deteriorating the bearing capacity of the piles, the present invention provides a fiber composite formwork that protects the pile surface and strengthens the pile capacity. The adhesive enveloping has the advantage of not only protecting the surface of the pile but also increasing the strength of the pile, as well as providing a reliable covering effect of the pile.

Secondly, the present invention increases the load bearing capacity of old or degraded piles by using an umbrella flesh anchor installed between the pile and the fiber composite formwork, thereby reducing the installation time of the fiber composite formwork by repairing and strengthening the fiber composite formwork. Not only the construction cost is reduced, but the reinforcing effect with excellent adhesion is very excellent.

Third, the present invention is to install the fiber composite formwork close to the pile over the pile in the part not sealed or dried due to the crack or cross-sectional defect of the concrete pile installed in the water by filling the crack and cross-sectional defect of the pile with the underwater grout, There is an advantage in that it is easy to reinforce the cracks or section defects in the central portion of the pile.

Fourth, the present invention has an advantage that can be easily performed to reinforce the concrete structure of various shapes.

Claims (6)

The fiber composite formwork 20 formed in accordance with the shape of the pile 10 is covered with the surface of the pile 10 by impregnating epoxy on the surface of the steel pipe pile or the concrete pile 10 in the water or the droplet portion. Put the coupling 22 at both ends of the fiber composite formwork 20 to be bonded to each other, and install the injection tube 30 and the confirmation tube 32 between the pile 10 and the fiber composite formwork 20 Underwater pile, characterized in that the filling pipe 10 by repairing and reinforcing the pile 10 by filling the space between the fiber composite formwork 20 and the pile 10 using the injection tube 30 and the confirmation tube 32 Reinforced fiber composite formwork. The method of claim 1, The fiber composite formwork 20 is formed in a circular, rectangular, polygonal shape in accordance with the shape of the pile 10, the fiber composite formwork 20 is formed with protrusions, uneven portion 24, the turning portion is formed On the outside is coated with sunscreen, Coupling portions 22 are formed at both ends of the fiber composite formwork 20, and the convex portion 22b is fitted into the recessed portion 22a of the coupling portion 22, or the quadrangular plate shape is separated into two and separated. Combined portions 22 are formed at both ends thereof, and the fiber composite form for reinforcing pile piles, characterized in that the convex portion 22b is fitted to the recessed portion 22a of the engaging portion 22. The method according to claim 1 or 2, The fiber composite formwork 20 is a fiber composite formwork for reinforcing pile piles, characterized in that the wire mesh or wire mesh is installed on the inner peripheral surface to reinforce the strength. The method of claim 1, A certain amount of sealing material is installed between upper and lower portions where the fiber composite formwork 20 and the pile 10 meet each other, and the vacuum is sucked in the inlet pipe 30 installed between the fiber composite formwork 20 and the pile 10. The fiber composite form for underwater pile reinforcement, characterized in that the epoxy connected to the confirmation tube 32 is configured to be sucked by the vacuum. The method of claim 1, A plurality of drilling holes 12 are formed on the surface of the pile 10, and the umbrella anchor anchor 40 is fixed to the drilling hole 12, but the umbrella anchor anchor 40 is threaded over the entire length. The central support rods 42 and the number of support nuts 44 are screwed around the central support rods 42, and a plurality of umbrella bars 46 are installed around the support nuts 44. Fiber composite formwork for reinforcing underwater piles. The vinyl 60 is attached to the surface of the steel pipe pile or concrete pile 10 installed in the inner or outer portion where sealing and drying are not possible due to cross-sectional defects or cracks, or where sealing and drying are impossible. Impregnated with a fiber composite formwork 20 formed to fit the shape of the pile (10) to cover the surface of the vinyl (60) by coupling the both ends coupling portion 22 of the fiber composite formwork 20 to each other and connected, An injection tube 30 and a confirmation tube 32 are installed between the vinyl 60 and the fiber composite formwork 20, and the fiber composite formwork 20 is formed using the injection tube 30 and the confirmation tube 32. The fiber composite formwork for underwater pile reinforcement, characterized in that to increase the cross-section of the pile (10) by repairing and reinforcing the pile (10) by filling between the epoxy and the vinyl (60).