KR100643022B1 - The foundation construction method of having used the fiber reinforced composite panel for marine structure form, and this - Google Patents

Abstract

An object of the present invention is to provide a fiber composite panel for the marine structure formwork and a basic construction method using the same, which is lightweight and can be quickly installed, having the advantages of corrosion resistance and high durability characteristics in a high corrosion marine environment.

The fiber composite panel for marine structure formwork according to the present invention comprises a reinforcing fiber made of any one of glass fiber, carbon fiber, aramid fiber; It consists of a composite material consisting of a resin consisting of any one of polyester, vinyl ester, phenol, epoxy mixed in a predetermined ratio to the reinforcing fibers, the structure consisting of a rectangular shape as a whole of the inside of the hollow hollow portion A unit member integrally formed with a main portion having a wing formed to extend by a predetermined length to the left and right sides of the upper and lower ends of the structure, and an insertion portion formed of a hollow hollow part integrally sealed to the outside between the top and bottom of one side of the main wing; Characterized in that it consists of a connection member formed in a right angle shape to be adhesively installed by the adhesive on the side of the main portion or the insertion portion of the unit panel in which the unit member is connected in parallel.

In addition, the present invention comprises the steps of manufacturing a unit member and a connecting member constituting the fiber composite panel in the factory; Manufacturing one unit panel constituting a bottom plate by continuously coupling the unit members laterally; Manufacturing the basic panel by transporting the manufactured unit panels to a land site adjacent to the sea site and combining the unit panels to a predetermined size; Manufacturing a fiber composite material panel having a bottom plate and side walls using the base panel using a connection member; Transporting the fiber composite panel to a sea construction site using a barge on which a crane is mounted; Mounting the fiber composite panel on a pile installed on a side of a support bracket at sea using a crane; It characterized in that the step of laying the concrete and curing at the same time in the predetermined space inside the panel for shear reinforcement in the connection portion between the support bracket and the fiber composite panel.

Marine, bridges, structures, fiber composites, panels, foundations, construction methods

Description

The composite construction method of having used the fiber reinforced composite panel for marine structure form, and this}

1 is a perspective view showing a unit member of the fiber composite panel for marine structure formwork according to the present invention,

Figure 2 is a cross-sectional view showing a unit member of the fiber composite panel for marine structure formwork according to the present invention,

Figure 3 is a perspective view of the insert-type connecting member of the fiber composite panel for marine structure formwork according to the present invention,

Figure 4 is a cross-sectional view showing the insert-type connecting member of the fiber composite panel for marine structure formwork according to the present invention,

5 is a perspective view showing a close connection member of the fiber composite panel for marine structure formwork according to the present invention,

Figure 6 is a cross-sectional view showing a close connection member of the fiber composite panel for marine structure formwork according to the present invention,

7A is a conceptual diagram illustrating a state in which a unit panel is formed by combining a unit member and a unit member of a fiber composite panel for marine structure formwork according to the present invention;

7B is a conceptual diagram showing a state in which a basic panel is formed by connecting a unit panel and a unit panel of the marine composite formwork fiber composite panel according to the present invention;

7c is a conceptual diagram illustrating a state in which the insert-type connecting member is coupled to the basic panel of the fiber composite panel for marine structure formwork according to the present invention;

7d is a conceptual diagram illustrating a state in which a close connection member is coupled to a basic panel of a fiber composite panel for marine structure formwork according to the present invention;

8 is a perspective view showing a fiber composite panel for marine structure formwork according to the present invention,

9 is a plan view showing a state in which the fiber composite panel for the marine structure formwork according to the present invention is installed on a pile,

10 is a cross-sectional view taken along the line A-A of FIG.

11 is a cross-sectional view taken along the line B-B of FIG.

FIG. 12 is a detailed cross-sectional view of portion A of FIG. 9; FIG.

Explanation of symbols on the main parts of the drawing

100: unit member 110: main part

112: hollow part 114: wing part

120: insertion part 122: hollow part

126: step 200a: insertion type connecting member

200b: close contact member 214: wing

B: File C: Concrete

H1: through hole H2: drain hole

P: Fiber composite panel P1: Unit panel

P2: Basic Panel S: Support Bracket

The present invention relates to a fiber composite panel for formwork in marine structures and a basic construction method using the same, and is used for reinforced concrete foundations installed in bridge piers and under shifts to construct foundations for various offshore structures such as bridges, bridges, and dolphins. Fiber composite panel for marine structure formwork in which hollow pull-out member made of composite material in which glass fiber and thermosetting (unsaturated polyester, vinyl ester) resin are mixed in a predetermined ratio is connected in parallel and basic construction method using the same It is about.

In general, the foundation and slab construction of bridge structures at sea is not much better than the construction of land structures, so it is not possible to construct structures by installing formwork or reinforcing concrete in the field.

Therefore, in consideration of the environmental characteristics of the sea as described above, the construction problems in the conventional sea environment using the method of constructing the structure after transporting the precast concrete member for the formwork on land and transporting it to the sea recently Some of the situation is being solved.

However, in the construction method using the conventional precast concrete member as described above, due to the characteristics of the concrete material, deterioration of the concrete and reinforcement of corrosion caused by erosion, erosion, etc. occur, not only the durability of the marine bridge structure is significantly reduced, but also structurally. It is pointed out as a big problem in safety.

In addition, the construction method using the conventional precast concrete member is a situation that many problems still exist in terms of construction properties because the large and heavy precast concrete member to be installed at sea.

Accordingly, the present invention has been made to solve the problems described above, it is possible to construct quickly and lightly, and the fiber composite material for offshore structure formwork having the advantages of corrosion resistance and high durability characteristics in a high corrosion marine environment Its purpose is to provide a panel and a basic construction method using the same.

Fiber composite panel for marine structure formwork according to the present invention for achieving the above object is made of a composite material, the structure consisting of a rectangular shape as a whole, the inside of the structure is made of hollow hollow, the upper and lower ends of the structure A unit member integrally formed with a main part formed with a wing part extending to a left and right sides, and an insertion part consisting of a hollow hollow part integrally sealed with an outer side between the upper and lower sides of one side wing part of the main part; It characterized in that it consists of a connecting member formed in a rectangular shape to be adhesively installed by the adhesive on the side of the main portion or the insertion portion of the unit panel in which the unit member is connected in parallel.                         

In addition, the basic construction method using the fiber composite panel for marine structure formwork according to the present invention comprises the steps of manufacturing a unit member and a connecting member constituting the fiber composite panel in the factory; Forming one unit panel constituting the bottom plate by continuously coupling the unit members laterally; Manufacturing the basic panel by transporting the manufactured unit panels to a land site adjacent to the sea site and combining the unit panels to a predetermined size; Manufacturing a fiber composite panel having a bottom plate and sidewalls using the base panel as a connecting member; Transporting the fiber composite panel to a sea construction site using a barge on which a crane is mounted; Mounting the fiber composite panel on a pile installed at sea using a crane; The composite material panel is characterized by constructing the composite panel on the sea through the step of curing and simultaneously curing the concrete in the fiber composite panel.

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

1 is a perspective view showing a unit member of the fiber composite panel for marine structure formwork according to the present invention, Figure 2 is a cross-sectional view showing a unit member of the fiber composite panel for marine structure formwork according to the present invention, Figure 3 Is a perspective view showing the insert-type connecting member of the fiber composite panel for marine structure formwork according to the present invention, Figure 4 is a cross-sectional view showing the insert-type connecting member of the fiber composite panel for marine structure formwork according to the present invention, Figure 5 Is a perspective view showing a close connection member of the fiber composite panel for marine structure form according to the present invention, Figure 6 is a cross-sectional view showing a close connection member of the fiber composite panel for marine structure formwork according to the present invention. Figure 7a is to form a unit panel by combining the unit member and the unit member of the fiber composite panel for marine structure formwork according to the present invention 7 is a conceptual diagram illustrating a state, and FIG. 7B is a conceptual diagram illustrating a state in which a basic panel is formed by connecting a unit panel and a unit panel of a marine composite formwork fiber composite panel according to the present invention, and FIG. According to the present invention is a conceptual view showing a state of coupling the insert-type connection member to the base panel of the fiber composite panel for formwork according to the present invention, Figure 7d is a close-type connection member to the base panel of the fiber composite panel for maritime structure form according to the present invention 8 is a conceptual view showing a state of coupling, Figure 8 is a perspective view showing a fiber composite panel for offshore structure formwork according to the present invention, Figure 9 is a state in which the fiber composite panel for offshore structure formwork in accordance with the present invention is installed on the file 10 is a cross-sectional view taken along the line AA of FIG. 9, FIG. 11 is a cross-sectional view taken along the line BB of FIG. 9, and FIG. 12 is a detailed cross-sectional view of the portion A of FIG. 9. A.

As shown in these drawings, the marine composite formwork fiber composite panel according to the present invention is made of a composite material, a structure consisting of a rectangular shape as a whole, the inside of the structure is made of hollow hollow 112, The hollow 110 is integrally sealed with the outside between the upper and lower portions of the main portion 110 and the wing portion 114 is formed to extend the predetermined length to the left and right sides of the upper and lower ends of the structure, one side wing portion 114 of the main portion 110. The insertion part 120 formed of the hollow part 122 is configured as a unit member 100 integrally formed.

Here, the composite material is a reinforced fiber made of any one of glass fiber, carbon fiber, aramid fiber; It is a material composed of a resin made of any one of polyester, vinyl ester, phenol, and epoxy mixed with the reinforcing fibers in a predetermined ratio.

In addition, the unit member 100 is composed of a main portion 110 and the insertion portion 120, one of the long side portion of the two long sides of the rectangular structure of the main portion 110 is coupled to the neighboring unit member 100 The wing portion 114 is formed in the longitudinal direction of the long side portion so as to have a predetermined length, and the wing portion 114 is engaged with the insertion portion 120 of the neighboring unit member 100 by a predetermined length of the other long side portion of the rectangular structure. The step 126 corresponding to the thickness of the 114 is formed.

In addition, connecting members 200a and 200b formed at right angles to side surfaces of the unit member 100 are installed such that the main part 110 or the insertion unit 120 of the unit member 100 is adhesively installed by an adhesive. Connection member (200a, 200b) is made of a composite material, the wing portion 214 is formed so that the main portion 110 or the insertion portion 120 of the unit member 100 is inserted vertically and horizontally.

On the other hand, the unit member 100 is a plurality of continuously coupled horizontally, the insertion portion 120 of the unit member 100 on one side of the wing portion 114 of the main portion 110 of the unit member 100 on the other side A plurality of unit panels (P1) is formed to form a bottom plate is coupled to a plurality,

The unit panel P1 has an insertion part 120 of the unit panel P1 on one side thereof coupled to the wing 114 of the main part 110 of the unit panel P1 on the other side of the unit panel P1, and thus has a basic panel P2 having a predetermined size. Is formed,

In the base panel (P2) is formed fiber composite panel (P) having a bottom plate and side walls of a predetermined size by inserting the connecting members (200a, 200b) at the end of the base panel (P2),

The fiber composite material panel (P) has a through hole (H1) of a pile connection part having a constant diameter vertically and vertically spaced at regular intervals in the inner bottom plate, the drain hole having a constant size in the inner corner portion (H2) is formed.

That is, the marine composite formwork fiber composite panel according to the present invention made of a configuration as described above is any one of the reinforcing fibers of glass fiber, carbon fiber, aramid fiber; The resin is composed of a composite material in which any one of polyester, vinyl ester, phenol, epoxy resin is mixed in a predetermined ratio,

Using the composite material to produce a unit member 100 of the unitary double tube form a single body is formed by combining two hollow portions (112, 122) of the rectangular shape as a whole to share the middle wall surface side by side,

The unit member 100 has a predetermined length in the longitudinal direction of the long side portion in order to facilitate engagement with a neighboring unit member 100 at one of the long side end portions of the two long sides of the rectangular hollow portions 112 and 122. Wing portions 114 extending as much as are symmetrically formed, and engagement with the wing portion 114 of the unit member 100 adjacent to each other by a predetermined length of the other long side portion of each rectangular hollow portion 112 and 122 Note that the step 126 is characterized in that each formed approximately the thickness of the wing 114 so as to be.

In addition, when the unit member 100 as described above is continuously connected laterally, the unit panel P1 is formed, and when the unit panel P1 is continuously connected as necessary, the basic panel P2 having a constant size is formed. When the connecting members (200a, 200b) is fitted to the side of the base panel (P2) is to be found that there is also a feature in that the fiber composite panel (P) is finally formed.

The fiber composite panel P formed as described above is constructed by forming a through hole H1 and a drain hole H2 in the bottom plate of the fiber composite panel P to facilitate installation on the sea pile B. It is noted that there is a characteristic in pursuing convenience.

Fiber composite panel for marine structure formwork according to the present invention made of a configuration as described above is made of a composite material mixed with glass fiber and unsaturated polyester, wing to facilitate assembly between the unit members (100) Part 112, 122 and step 126 structure, the glass fibers to be mixed are also laminated in the longitudinal direction (0 °), inclined direction (± 45 °), transverse direction (90 °) according to the structural performance .

In addition, the fiber composite panel for offshore structure formwork according to the present invention has a light weight characteristic, convenient construction and can maximize the construction efficiency as well as having a high corrosion resistance high durability characteristics.

Hereinafter, the basic construction using the fiber composite panel for marine structure formwork according to the present invention having the configuration as described above will be described.

The basic construction method using the fiber composite panel for marine structure formwork according to the present invention comprises the steps of manufacturing a unit member 100 and a connecting member (200a, 200b) constituting the fiber composite panel (P) in the factory;

Forming one unit panel (P1) constituting a bottom plate by successively coupling the unit members (100) laterally;

Manufacturing the basic panel P2 by transporting the manufactured unit panel P1 to a land site adjacent to the sea site and then combining the unit panels P1 to a predetermined size;

Manufacturing the fiber composite panel (P) using the base panel (P2) to have a bottom plate and sidewalls using the connection members (200a, 200b);

Transporting the fiber composite panel (P) to a construction site on the sea by using a barge on which a crane is mounted;

Mounting the fiber composite panel (P) on the pile (B) installed on the side of the support bracket (S) in the sea using a crane;

The connecting portion of the support bracket (S) and the fiber composite panel (P) in order to stiffen the shearing step while placing concrete (C) in a predetermined space inside the fiber composite panel (P) sequentially This is done by constructing composite panel (P) on pile (B).

On the other hand, the concrete (C) filled in the panel (P) is preferably constructed using the fastened concrete (C).

That is, the basic construction method using the fiber composite panel for the marine structure formwork according to the present invention, first, the unit member 100 and the connection member 200a corresponding to the bottom plate and the side wall constituting the precast fiber composite panel (P); 200b),

In order to produce a single precast composite unit panel (P1) consisting of the bottom plate and the side wall by continuously combining the unit members 100 laterally on the steel beams arranged at regular intervals in the factory,

While transporting the unit panel (P1) and the connecting members (200a, 200b) to the land site closest to the offshore installation site, the unit panel (P1) is continuously coupled to produce a basic panel (P2),

Using the connecting members (200a, 200b) on the side of the base panel (P2) integrally combining the bottom plate and the side walls to produce a final fiber composite panel (P).

Subsequently, the finished fiber composite panel (P) is loaded on a barge (not shown) on which a crane is mounted and then transported to an offshore site, and then the fiber composite panel (P) is fixed to the crane and lifted up. After temporarily mounting the fiber composite panel (P) on the pile (B), the support bracket (S) is installed in the, and then the fastening concrete (C) between the support bracket (S) and the fiber composite panel (P) If it is properly cured after pouring, the installation on the pile B of the fiber composite panel P is completed.

In addition, reinforcing the reinforcing bar in the fiber composite panel (P) and placing the fastened concrete (C) can form a lower structure in which the pile (B) and the fiber composite panel (P) is integrally combined.

As described above, the fiber composite panel for the offshore bridge structure and the basic construction method using the same according to the present invention has the following effects.

First, the present invention has the advantage that the weight of the transport and construction equipment can be reduced due to the light weight characteristics, the air is drastically shortened, not only the construction cost is reduced, but also the weight of the foundation can be reduced, and the seismic performance is improved.

Second, the present invention is to replace the precast concrete panel used for piling and alternating foundation construction of offshore bridge structure, and to use the panel made of precast fiber composite material to solve the problems of durability due to concrete degradation and erosion under high corrosion environment. There is an advantage that can be solved.

Third, the present invention has the advantage of easy quality control by using a product produced in large quantities in the factory.

Fourth, the present invention has the advantage that the durability of the structure is significantly increased by using a composite material of corrosion resistance, high durability characteristics, the investment effect on the construction cost is increased by reducing the actual cycle cost (life cycle cost) compared to the life span .

Fifth, the present invention can be used as a substitute for the formwork and protection of the structure from the external environment in the construction of on-site concrete casting of various offshore structures as well as the foundation of the offshore bridge structure, so that the extended scope of application is very wide, and the ripple effect in related industries There is this.

Claims (8)

delete delete delete delete delete The main portion is formed of a composite material, the structure consisting of a rectangular shape as a whole, the inner portion of the structure is made of hollow hollow 112, the main portion formed wing portion 114 to extend by a predetermined length to the left and right upper and lower ends of the structure Unit unit 100 is formed integrally with the insertion portion 120 consisting of a hollow hollow portion 122 so as to be integrally sealed with the outside between the 110 and the upper and lower sides of one side wing portion 114 of the main portion 110. Consists of, The unit member 100 is a plurality of continuously coupled horizontally, the insertion portion 120 of the unit member 100 on one side is a plurality of wings 114 of the main portion 110 of the unit member 100 on the other side One unit panel P1 is formed by combining dogs to form a bottom plate, The unit panel P1 has an insertion part 120 of the unit panel P1 on one side thereof coupled to the wing 114 of the main part 110 of the unit panel P1 on the other side of the unit panel P1, and thus has a basic panel P2 having a predetermined size. In the marine composite formwork fiber composite panel, characterized in that formed, In the base panel (P2) for the marine structure form, characterized in that the fiber composite panel (P) having a bottom plate and side walls of a predetermined size is formed by inserting the connecting members (200a, 200b) at the end of the base panel (P2) Fiber composite panel. The method of claim 6, The fiber composite material panel (P) has a through hole (H1) having a constant diameter that is vertically and vertically spaced at regular intervals in the inner side bottom plate, and the drain hole (H2) having a constant size at the inner side corner portion. Fiber composite panel for marine structure formwork, characterized in that formed. Manufacturing the unit member 100 and the connecting members 200a and 200b constituting the fiber composite panel P at a factory; Forming one unit panel (P1) constituting a bottom plate by successively coupling the unit members (100) laterally; Manufacturing the basic panel P2 by transporting the manufactured unit panel P1 to a land site adjacent to the sea site and then combining the unit panels P1 to a predetermined size; Manufacturing the fiber composite panel (P) using the base panel (P2) to have a bottom plate and sidewalls using the connection members (200a, 200b); Transporting the fiber composite panel (P) to a construction site on the sea by using a barge on which a crane is mounted; Mounting the fiber composite panel (P) on the pile (B) installed on the side of the support bracket (S) in the sea using a crane; The connecting portion of the support bracket (S) and the fiber composite panel (P) sequentially placing the concrete (C) in a predetermined space inside the fiber composite panel (P) for shear reinforcement and curing at the same time Basic construction method using a fiber composite panel for marine structure formwork, characterized in that the construction.

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