KR20130091858A - System pile unit - Google Patents

Abstract

PURPOSE: A system pile unit for a marine construction support structure is provided to drastically reduce construction time and costs and to improve workability, since the system pile has a simple structure, and is easy to be manufactured. CONSTITUTION: A system pile unit for a marine construction support structure comprises an lower part structure (10), and a connection structure (50). The lower part structure includes a body (11), an vertical penetration type connection unit, and an vertical penetration type main insertion unit (13). The connection structure includes a connection insertion unit (52) which is vertically penetrated and which corresponds to the main insertion unit, and is laminated on the upper part of the lower part structure. The connection structure which is positioned on the uppermost end among the connection structures is located on the water. The body additionally includes a female fitting unit or a male fitting unit which is formed in all directions on the upper part.

Description

System pile unit for offshore support structures {SYSTEM PILE UNIT}

The present invention relates to a system pile unit for an offshore structure supporting structure, comprising: a body (11), two or more upper and lower through-hole distribution parts (12) evenly arranged inside the body (11), and the body (11). A lower structure 10 including two vertically extending main insertion portions 13 arranged along the outer periphery, and placed on a cutlery; and each main insertion portion 13 of the lower structure 10. Corresponding to), and comprises a plurality of connection inserting portion 52 of the up and down, and at least one connection structure 50 stacked on the lower structure 10; consisting of, the connection structure 50 The connecting structure 50 'located at the top of the related art relates to a system pile unit for an offshore structure supporting structure, characterized in that it is located in a water phase.

As a construction method or apparatus for installing a marine structure, the following prior art document, "Marine structure installation method and its device" (Korean Patent Registration No. 10-0658882) is proposed,

The prior document 1 is located in the upper portion of the lower structure that is pre-installed on the sea to place the upper structure is shipped with the upper structure and the lower structure by using the height control unit and the draft change of the transport vessel while the upper structure and the lower By providing the structure shock absorbing part to the connection part of the structure to absorb the shock generated when the upper and lower structures are combined, and install the ship shock absorber to the upper side of the lower structure to prevent the impact of the lower structure by the carrier when entering the ship. A technique configured to be prevented is disclosed.

The technique of the prior document 1 can cope with the free movement of the structure caused by the movement of the ship by the blue waves acting on the sea when the superstructure is installed at sea, and can reduce the center of gravity of the structure during long distance transport It can contribute to the stability of restoration and can correct the step by weight movement when the structure is installed from the quayside to the ship, and by minimizing the work time at the offshore site, the air is saved and the quality of the product can be minimized. To provide an excellent construction and stability of the offshore structure installation method and apparatus for maximizing, but the configuration and construction process is very complicated, the time and cost for construction is inevitably increased technology.

In particular, considerable time is required to manufacture the upper and lower structures, and as the configuration is complicated, there is a difficulty in maintenance. In addition, once the construction (installation) is difficult to dismantle, there is a problem that can not be reused after dismantling.

In order to solve the problems of the prior art document 1, the prior art document 2 filed and registered by the present applicant, `` System block for offshore wind power support structure and construction method using the same '' (Korea Patent Registration No. 10-0995667) Is presented,

According to the technique of the prior art 2, after each block loaded on the barge is laminated by vertically from the sea floor to the sea by a crane, the steel pipe supporter is put into the sea bottom through each insertion part formed in each block and connected in series. Can be implemented according to the hypothesis work,

Or the system block for offshore wind power support structure that can be implemented as a permanent structure by pouring concrete in the state in which the steel pipe supporter is inserted into each insertion part, or curing only concrete in the state without the supporter, and a construction method using the same Although it is a technology, there is a problem that there is a difficulty in actual construction because a structure or method for leveling blocks is not suggested.

Prior Art Document 1: Korean Patent Registration No. 10-0658882 Prior Art Document 2: Korean Patent Registration No. 10-0995667

The present invention solves the problems of the existing inventions described above, after connecting the lower structure and the connecting structure to each other construction, after the installation of various equipment equipment on top of the connection structure of the uppermost layer using the equipment of the supporter construction or As concrete construction is performed, it is a task to provide a system pile unit for a marine structure supporting structure that can greatly reduce construction time and cost, as well as a simple structure and easy production.

In addition, it is an object of the present invention to provide a system pile unit for a marine structure supporting structure having an effect of providing a suction function to a lower structure to adjust horizontality.

In order to achieve the above object, the present invention, along the body 11, the two or more vertical through-flow passage 12 and evenly arranged inside the body 11, and along the outer circumference of the body (11) A lower structure 10 including two upper and lower through-hole main insertion parts 13 arranged on the cutlery and corresponding to each main insertion part 13 of the lower structure 10; At least one connecting structure 50 including a plurality of upper and lower connection inserting parts 52 and stacked on the lower structure 10, wherein the connecting structure is disposed on the top of the connecting structure 50. The connecting structure 50 'is characterized in that it is located in the water phase.

In addition, the lower structure 10 and the connector 50 is characterized in that they are interconnected by the coupler unit 60.

On the other hand, the body 11 is formed in a block shape, and further comprises a female or male fitting portion 17 formed in a radial shape on the top, the connection structure 50 Is formed in a block shape, and includes a corresponding fitting portion 55 formed at the lower portion to be male and female coupling with the fitting portion 17, and a female or male fitting hole 56 radially formed at the upper portion thereof. It is characterized in that any one or more of the upper and lower openings 57 and the seawater flow passage 58 penetrates up and down the center.

The body 11 includes a center post pile 40 and a center post pile 18. The main post pile 18 and the main insertion portion 13 are connected to each other An outer pile which is connected to the reinforcing partition wall 41 extending to the outside of the main insertion part 13 and is formed to surround the main insertion parts 13, (42) which is provided on the upper surface of the housing.

In addition, each of the main insertion portion 13 and the connection insertion portion 52 of the lower structure 10 is that the supporting pile (1) or pour concrete (2), or both of which are embedded in the ground is arranged It features.

In addition, a plurality of suction and discharge pumps 20A and 20B respectively installed on each of the distribution unit 12 of the lower structure 10; and the operation of each of the suction and discharge pumps 20A and 20B. The controller 30 for controlling; characterized in that it further comprises.

In addition, each of the hydraulic jacks 70 for height adjustment arranged in the lower peripheral area of each of the distribution unit 12 of the lower structure 10, each of the hydraulic jacks 70 is controlled by the controller 30 It is characterized by.

According to the present invention, after the lower structure and the connecting structure is connected to each other or laminated construction, as the various equipments on the top of the connection structure is raised by using the equipment in the support construction or concrete construction In addition, the construction time and cost can be greatly reduced, as well as the structure is simple and easy to manufacture, thereby making it easy to construct.

In addition, by providing a suction function to the lower structure, there is an effect that can adjust the horizontal.

1 is a three-dimensional block diagram showing a system file unit of the first embodiment according to the present invention;
2 is a plan view of FIG.
3 is a three-dimensional configuration diagram showing a modification to the system file unit of the first embodiment according to the present invention;
4 is a side cross-sectional view of FIG.
Figure 5 is a side cross-sectional view showing that the system pile unit of the first embodiment according to the present invention is constructed,
6 is a plan view of FIG.
FIG. 7 is a side cross-sectional view showing that the system file unit of the first embodiment is constructed in the location guide file previously embedded in the ground in FIG. 5; FIG.
8 is a three-dimensional block diagram showing a connecting structure in a system pile unit of a second embodiment according to the present invention;
Figure 9 is a side cross-sectional view showing that the system pile unit of the second embodiment according to the present invention is constructed.
10 shows a bottom structure of a third embodiment according to the present invention;
11 shows a connecting structure of a third embodiment according to the present invention;
12 is a view showing a construction method of a third embodiment according to the present invention;
13 illustrates an undercarriage of a fourth embodiment according to the present invention;
14 is a view showing a construction method of a fourth embodiment according to the present invention;

Hereinafter, a system pile unit for an offshore structure supporting structure according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

First, the direction of the upper or upper portion of the connecting structure side and the lower or lower portion of the lower structure side will be specified based on FIG. 1.

In addition, "A" and "B" of FIG. 6 are views showing various examples.

The system file unit for the marine structure support structure of the first embodiment according to the present invention is mainly composed of the lower structure 10 and the connection structure 50, as shown in Figs. Body 11, two or more vertically distributed through 12 and evenly arranged inside the body 11, and two or more vertically inserted through the main periphery arranged along the outer periphery of the body 11 It is comprised including 13.

First of all, the term "spoon" refers to the bottom of a sea or a river.

The body 11 of the lower structure 10 of the first embodiment according to the present invention preferably has a square or circular shape when viewed from a plane, for example, when the body 11 is a square, the distribution Part 12 is preferably arranged in four places to be divided into four parts inside the body 11, and when the body 11 is circular, the distribution part 12 is the body 11 It is preferable that a plurality is arranged at equal intervals all over the inside.

As another example, in the lower structure 10A of the second embodiment according to the present invention, as shown in FIG. 3, a plurality of the bodies 11 are arranged in a lattice form and positions corresponding to respective vertices in the lattice form. The main insertion portion 13 is arranged in, the plurality of the body 11 is formed by the distribution portion 12 to be evenly arranged in its inner four sides, it may be made of a bunch.

Therefore, the size of the lower structure 10 may be variously modified and changed according to the construction environment or the size of the surface structure installed on the workbench to be described later, or the like.

In addition, the connection structure 50 to be described later is also preferably made of a structure that can be stacked up and down to fit the lower structure 10 according to various embodiments.

On the other hand, the lower structure (10B) of the third embodiment according to the present invention, as shown in Figure 10, the body 11 is formed in a block shape, the arm formed in a radial shape on the top Or it is also possible to comprise the male fitting part 17 further.

Further, the lower structure 10C of the fourth embodiment according to the present invention as shown in FIG. 13 includes a center post pile 40 in which the body 11 is installed at the center, and the center. It is connected to the reinforcing partition 41 connecting the post pile (center post pile) 18 and the main inserting portion 13 and the reinforcing partition 41 extending outwardly of the main inserting portion (13) It is also possible to further comprise an outer pile (42) formed to surround the main insert portion (13).

By this configuration, the lower structure 10C of the fourth embodiment drives the center post pile 40 to drive the lower structure 10C to the rock layer as in the construction process described later. It becomes possible.

As such, the lower structure 10 may be embodied in embodiments having a wide variety of configurations and shapes, and may be made of reinforced concrete or steel, depending on various external elements such as materials, working environment, and specifications. Do.

Next, the suction and discharge pumps 20A and 20B will be described.

As shown in FIGS. 1 and 2, the suction and discharge pumps 20A and 20B are respectively installed on upper portions of the distribution part 12 of the lower structure 10, and the operation is performed by the controller 30. Controlled.

Each of the suction and discharge pumps 20A and 20B is a conventional submersible pump, and each suction pump 20A selectively sucks external water from each of the distribution units 12, and each discharge pump 20B is Selective distribution of the internal water to the outside of each of the distribution unit 12, the pressure difference is generated between each distribution unit 12 and the water in the end, and the distribution unit 12 side where the water is sucked by this pressure difference As it rises, the distribution part 12 side from which the water is discharged is lowered and stuck to the ground, thereby leveling the lower structure 10.

Therefore, by selectively operating control of each of the suction and discharge pumps 20A and 20B through the controller 30, the lower structure 10 is finally leveled.

In this case, as shown in FIG. 4, the controller 30 is for controlling the operation of each of the suction and discharge pumps 20A and 20B, and is detected by a sensing value input from the horizontal sensor 15. By controlling the selective operation of each of the suction and discharge pumps 20A and 20B, the pressure of each distribution unit 12 is adjusted.

Next, the connection structure 50 is demonstrated.

As shown in FIGS. 1 and 8, the connection structure 50 includes a plurality of upper and lower connection insertion parts 52 corresponding to each main insertion part 13 of the lower structure 10. It has a configuration that is stacked on the lower structure 10, the connection structure 50 'located at the top of the connection structure 50 is characterized in that it is located in the water phase.

First of all, the term 'water phase' means including water on a sea or a river.

In this case, each of the connection structures 50 may be implemented to be mutually supported by the reinforcing material 51 installed in the form of trusses such as x-shaped.

On the other hand, as an embodiment of connecting and stacking the lower structure 10 and the connection structure 50 to each other, a wide variety of embodiments are possible.

As an example, as shown in FIG. 1, it is possible to insert each of the connection inserting portions 52 into or to be connected to each of the main inserting portions 13 to be stacked on each other.

In addition, another embodiment in which the lower structure 10 and the connection structure 50 are connected to each other and laminated, or the connection structure 50 are connected to each other and laminated as shown in FIG. 9 is a coupler unit 60. It is desirable to be interconnected by).

In this case, the coupler unit 60 may be configured in a wide variety of forms, and in one embodiment, the coupler unit 60 is inserted into the inner circumferential surface of the main inserting portion 13 at one end as shown in FIG. 9. Or a first fitting portion 61 fitted in a form surrounding the outer circumferential surface of the connection insertion portion 52 and a second fitting fitted in a form surrounding the outer circumferential surface of the extension insertion portion 53 at the other end thereof. It is preferable to include the annular support portion 63 which is supported around the upper end of the portion 62 and the main insertion portion 13 or the connection insertion portion 52 on the inner circumferential surface.

In this case, the first fitting portion 61 and the second fitting portion 62 may each be connected to each other by welding or bolting a region to be in contact with each other, thereby enabling a secure coupling.

Meanwhile, in the embodiment in which the lower structure 10 and the connection structure 50 are connected to each other and stacked, as shown in FIG. 10, in the case of the lower structure 10B of the third embodiment according to the present invention, the The connecting structure 50 is formed in a block shape, as shown in FIG. 11, a corresponding fitting portion 55 formed at a lower portion to be male and female coupling with the fitting portion 17, and a female formed radially at an upper portion thereof. Or it may include a water fitting 56, so that at least one of the upper and lower openings 57 and the seawater flow passage 58 penetrates up and down the center is preferably formed.

In this case, it is preferable that the connecting structure 50 further includes a reinforcing rib 59 as shown in FIG. 11 to reinforce the structural rigidity.

Meanwhile, the lower structure 10B and the connection structure 50 of the third embodiment according to the present invention are illustrated to have a square shape when viewed from the top, but are not limited thereto. Modifications and variations are obvious.

On the other hand, in the marine pile support structure system pile unit of the present invention, each of the main insertion portion 13 and the connection insertion portion 52 of the connection structure 50 of the lower structure 10, the supporting pile is embedded in the ground It is preferable that (1) or the pour concrete 2 or both be arranged.

More specifically, as shown in FIGS. 5 to 7, each of the main inserting portions of the lower structure 10 may be inserted at each connecting inserting portion 52 in one or more connecting structures 50 stacked up and down. The supporting structure 1 passing through 13 is embedded in the ground, whereby the lower structure 10 can be fixed.

At this time, the pour concrete 2 is poured into the gap between the supporting pile 1 and the inner hollow of the supporting pile 1 in each of the connection inserting portions 52 and the main inserting portions 13. The lower structure 10 and the connecting structure 50 are firmly coupled to each other.

Meanwhile, as shown in FIGS. 1, 2, and 4, the system pile unit for the marine structure support structure of the first embodiment includes each main insertion portion 13 and each connection insertion portion of the substructure 10. 52. Each of the plurality of reinforcing ribs 131 and 58 is formed on the inner circumferential surface in the longitudinal direction.

At this time, since the supporting file 1 to be described later passes through each main insertion portion 13 and each connection insertion portion 52 of the lower structure 10, the inner circumferential surface of the lower structure 10 is not interfered with. Accordingly, the reinforcing ribs 131 and 58 are preferably formed.

The reinforcing ribs 131 and 58 prevent the warpage of the insertion parts 13 and 52, and support the supporting pile 1 passing through the insertion parts 13 and 52. In addition, the space between the adjacent reinforcing ribs (131, 58) and the reinforcing ribs (131, 58) to the filling concrete 2 is provided.

At this time, the supporting file 1 is preferably one selected from PHC file (PRETENSIONED SPUN HIGH STRENGTH CONCRETE PILES), steel pipe pile, H-file, steel bar, rebar, and the like.

In addition, the supporting pile (1) is preferably hollow inside the hollow shape.

Meanwhile, as shown in FIG. 6, the system pile unit for the marine structure support structure of the first embodiment is embedded in the ground in each of the main insertion portion 13 and the connection insertion portion 52 of the lower structure 10. The supporting pile 1 or the pouring concrete 2 or both are arranged.

More specifically, by inserting the supporting pile (1) in the ground starting from each connection inserting portion 52 and passing through each main inserting portion 13 of the lower structure 10, the lower structure (10) 6) can be fixed (see “A” in FIG. 6), and at this time, the gap between the supporting file 1 and the supporting file 1 in each of the connection inserting parts 52 and the main inserting parts 13. The pour concrete 2 is poured into the inner hollow of (1) to fix it more firmly (see "B" in Fig. 6).

On the other hand, the system pile unit for offshore structure support structure according to the present invention, as shown in Figures 2 and 4, a plurality of height adjustment is arranged in the lower peripheral area of each of the distribution portion 12 of the lower structure (10) It further comprises a hydraulic jack (70), each of the hydraulic jack 70 is preferably to be controlled by the controller (30).

Therefore, each of the hydraulic jacks 70 contributes to leveling the lower structure 10 together with the respective suction and discharge pumps 20A and 20B.

On the other hand, the system pile unit for offshore structure support structure according to the present invention, as shown in Figure 7, the lower structure 10 is a guide file insert for inserting in the position guide file 80 is embedded in the ground in advance (16) is provided, the construction of the one guide pin (80) in the ground in advance, and then the guide file inserting portion (16) is fitted to the guide pin (80), so that the bottom It is desirable to enable initial temporary fixation of the structure 10.

In other words, the work table 90 is installed on the upper part in the state where the lower structure 10 is temporarily fixed by the exact position guide file 80 and the guide file inserting portion 16 fitted thereto. ) Laminated installation can be easily performed, such that a high flow rate or easy installation on a rock foundation can be expected.

Meanwhile, a process of constructing the system pile unit for the marine structure support structure of the present invention according to the fourth embodiment will be described in detail with reference to FIG. 14.

First, the lower structure 10C is seated on the bottom of the sea, and then the supporting file 1 is inserted into the main inserting portion 13 and the supporting file 1 is driven to approach the rock layer. In this case, it is preferable to remove impurities by surging the inside of the main inserting portion 13 before inserting the supporting file 1.

Thereafter, the center post pile 40 is driven to drive the lower structure 10C to access the rock layer.

Next, the rock layer is drilled through the inside of the supporting file 1, and the supporting file 1 is inserted into the rock layer as shown in FIG. 14 to be more firmly fixed to the rock layer.

Finally, the main inserting part 13 or the supporting pile 1 is surging to remove impurities and then filled with concrete to completely fix the lower structure 10C.

On the other hand, as described above, a series of steps of inserting the supporting pile 1 into the rock layer may be performed in a state where only the lower structure 10C is installed, and of course, the connection structure to the lower structure 10C. It will be obvious that even in the state of laminating the (50).

Meanwhile, as shown in FIGS. 5 and 6, the system pile unit for the marine structure supporting structure according to the present invention has a corresponding extension insert of the connecting structure 50 positioned at the top of the connecting structure 50. (53) It is preferable that a plurality of radially arranged connection supports 54 are formed on the outer circumferential surface spaced from the top to the bottom.

At this time, the work table 90 is placed on the uppermost connecting structure 50 corresponding extension insert 53 is provided, the work table 90 is a square plate 91, and the lower surface of the square plate 91 in the form of a grid It comprises an I-shaped beam member 92 arranged to.

The space between the beam members 92 arranged in a lattice form is fitted to the connection inserting portion 52 or the corresponding extension inserting portion 53, wherein the beam member 92 is the sub support 43. As it is supported by the connection support (54) it is possible to install the work table (90).

Various power generation facilities may be installed on the worktable 90. For example, offshore wind power generation, wave power generation or tidal power power generation may be installed on the side, and as a space function for placing workers or work equipment. Can be utilized.

Therefore, in the present invention, the supporting structure 1 is inserted into each of the lower structures 10 used alone or the connecting structure 50 stacked thereon, and the support piles 1 are inserted into the ground, or the pour concrete 2 is filled. Construction enables the implementation of a support structure with structural safety and stability.

In addition, after disassembling in the reverse order of construction, the lower structure 10 or the connecting structure 50 may be repeatedly implemented as a hypothetical worktable, or as described above, in the supporting pile 1 or the pouring concrete 2. The lower structure 10 or the connecting structure 50 stacked thereon may be implemented as a permanent structure, or may be used as a support structure in a variety of ranges such as implemented as a reinforcement structure for soft ground such as shore or river.

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Supporting file
10, 10A, 10B, 10C: substructure
11: body 12: distribution
13 main insert 131 reinforcement rib
14: extension insert 15: horizontal detection sensor
16: guide file insert 17: fitting
20A: Suction Pump
20B: discharge pump
30: controller
40: center post pile
41: reinforcement bulkhead 42: outer pile
50: connection structure
51: stiffener 52: connection insert
53: corresponding extension insert 54: connection support
55: fitting 56: fitting
57: upper and lower openings 58: seawater flow passage
59: reinforcement rib
60: coupler unit
61: first fitting portion 62: second fitting portion
63: annular support
70: hydraulic jack
80: location guide file
90: work table
91: square plate 92: beam member

Claims (7)

Body 11, two or more vertically distributed through 12 and evenly arranged inside the body 11, and two or more vertically inserted through the main periphery arranged along the outer periphery of the body 11 An undercarriage 10 comprising 13 and placed on a cutlery;
One or more connecting structures 50 including a plurality of vertically inserting connection inserting portions 52, corresponding to each main inserting portion 13 of the lower structure 10, and stacked on the lower structure 10. Including;
System structure unit for offshore structure supporting structure, characterized in that the connecting structure (50 ') located at the top of the connecting structure (50) is located in the water phase. The method of claim 1,
The lower structure (10) and the connector (50) is a system pile unit for offshore structure support structure, characterized in that interconnected by a coupler unit (60). The method according to claim 1,
The body 11 is formed in a block shape, and further comprises a female or male fitting portion 17 formed radially on the top,
The connecting structure 50 is formed in a block shape, the corresponding fitting portion 55 formed at the lower portion to be male and female coupling with the fitting portion 17, and a female or male fitting hole formed radially on the upper portion thereof. A system pile unit for an offshore structure supporting structure including (56), wherein any one or more of upper and lower openings (57) and seawater flow passages (58) penetrating up and down the center are further formed. The method of claim 1,
The body 11,
A center post pile 40 installed at the center;
Reinforcing partition 41 connecting the center post pile 18 and the main insert 13 to each other
An outer pile 42 connected to the reinforcing partition 41 extending outwardly of the main insertion part 13 and formed to surround each of the main insertion parts 13; System pile unit for offshore structure support structure, characterized in that it further comprises. The method according to any one of claims 1 to 4,
Each of the main inserting portion 13 and the connection inserting portion 52 of the lower structure 10 is characterized in that the supporting pile (1) or pour concrete (2), or both of which are embedded in the ground is arranged System pile unit for offshore support structures. A plurality of suction and discharge pumps 20A and 20B respectively installed on upper portions of the distribution part 12 of the lower structure 10;
A controller 30 for controlling the operation of each of the suction and discharge pumps 20A and 20B; It further includes a hydraulic jack 70 for height adjustment arranged in the lower peripheral area of each of the distribution portion 12 of the lower structure 10,
Each hydraulic jack (70) is a suction system pile unit for offshore structure support structure, characterized in that controlled by the controller (30).

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