KR20110137929A - Wire system for sea neighboring mooring of floating structure - Google Patents

Abstract

PURPOSE: A wire system for sea neighboring mooring of a floating structure is provided to prevent neighboring floating structures from being collided by applying tension force to a fiber wire rope of different kinds of materials. CONSTITUTION: A wire system for sea neighboring mooring of a floating structure is comprised of a plurality of floating structure(110), a line-fixed structure(120), a plurality of chains(130), a plurality of spring lines, and a plurality of width direction lines. A bollard(111) is formed in upper both sides of the structure. The line-fixed structure is installed at the center of an underwater structure. A chain is connected to the line fixed structure. A spring line restricts the vertical movement of the floating type structure by combing the bollard in diagonal direction and limits the horizontal movement of the floating type structure by combing the bollard in horizontal direction.

Description

WIRE SYSTEM FOR SEA NEIGHBORING MOORING OF FLOATING STRUCTURE}

The present invention relates to a wire system for the near-shore mooring of a floating structure, and more specifically, to the structure installed on the seabed ground and the floating structure adjacent to the floating structure by introducing a tension force to the fiber wire of different materials having different elasticity The present invention relates to a wire system for the near sea mooring of a floating structure to fix the two close to each other.

Floating structures are structures that are installed or stored at sea by their buoyancy.

On the other hand, the immersion tunnel is a kind of underwater tunnel that is manufactured by continuously installing the immersion enclosures, which are floating structures, and the immersion method is suitable for the soft ground because the buoyancy acts on the tunnel, so the apparent specific gravity is small, and the bearing capacity of the ground is not necessary. Do. In addition, since the construction can be safely carried out at a deep water depth, and the construction efficiency is good, the advantages of short construction period and fewer restrictions on the ship's route are recognized.

These immersion tunnels are made of concrete on land, and then immersed in the water using buoyancy to transport the immersion enclosures to the installation site using the towing box and then sink and install at the installation site. The method is to construct a chamber between a new ship, which is a newly installed ship, which is a newly installed ship, and a hydraulic pressure difference is generated between the chamber and the outside of the new ship. Hydraulic bonding is used to bring the ship and the new ship into close contact.

To describe the immersion tunnel in more detail, the immersion tunnel is usually installed in the seabed section of several to several tens of kilometers (km), and the various immersion enclosures are connected to each other. The immersion enclosures used in these immersion tunnels are manufactured on land with a length of about 180 meters (m) and a width and height of several tens of meters (m). At this time, the immersion enclosure is made so that the hollow portion is formed inside and both sides are open. At this time, the immersion enclosure is a state in which several segments are integrated with each other.

On the other hand, because it is impossible to lift land using land and cranes by the weight of the immersion enclosure, the immersion enclosure is manufactured on the shore near the construction of the immersion tunnel and stored in a mooring station in a floating manner.

However, the storage method of such floating structures such as the immersion enclosure is fixed by using ropes to the loads at a distance of several hundred meters in order to prevent the immersion enclosures from being damaged by waves or birds. Because it is stored in a floating state, a large space mooring place is required, and a large number of loads are required, and the floating structure is damaged by the collision of the floating structures due to the breakage of the rope itself due to the load generated from the floating structure. There is a problem.

The present invention is to solve the above problems, by introducing a tension force to the structure of the structure installed on the seabed and the fiber wire rope of different materials with different elasticity and close to the floating structure and the neighboring floating structure, such as a soaking enclosure. It is an object of the present invention to provide a wire system for maritime near-mooring of floating structures that is secured to prevent breakage by collision between the immersion enclosures and to mooring a large number of immersion enclosures in a small space.

Features of the present invention for achieving the above object,

A plurality of floating structures in which the bollards are projected at equal intervals from both ends of the longitudinal upper surface; Line fixing structures respectively installed on the seabed at both ends of the floating structure and adjacent floating structures; A plurality of chains connected to said line fixing structure; A plurality of spring lines that bind to each other in a state in which the chain and the bollards of the floating structure and the neighboring floating structure are tensioned in a diagonal direction to limit vertical movement of the floating structure; And a rigidity relatively higher than that of the spring line and designed to have high elasticity so that the chain and the bollards of the floating structure and the neighboring floating structure are mutually bound in the transverse direction to move horizontally of the floating structure. It characterized by consisting of a plurality of transverse lines to limit the.

Here, the line fixing structure is any one selected from a concrete weight structure, a suction pile, a pile, an anchor.

Here, the spring line has a first connection line is formed at both ends and the first rigid line is connected to the chain, and a second connection ring is formed at both ends to form the first rigid line and the bollard of the floating structure The first elastic line is connected to, but formed of a shorter length than the first rigid line.

Here, the transverse line is a main mooring line for mooring the floating structure, and a third connecting ring is formed at both ends to connect with the chain, and a second rigid line is formed at both ends, and a fourth connecting ring is formed at both ends. The second rigid line and the bollard of the floating structure is connected, but consists of a second stretched line formed of a longer length than the second rigid line.

Here, the first and second rigid lines are supermax wire ropes made of polyethylene (PE), and the first and second elastic lines are nylon wire ropes made of nylon.

Here, the spring line is provided with a protective member made of rubber or synthetic resin at the intersection to prevent breakage from other spring lines that intersect.

Here, the wire system for the near sea mooring of the floating structure is transverse to the bollard of the floating structure adjacent to the left or right floating structure around any one of the line fixed structure in the event of additional load such as a typhoon It further comprises a plurality of additional transverse lines for binding to each other in an unstrained state.

Here, the additional transverse line is a third rigid line is formed at both ends and is connected to the chain and the third rigid line, and both ends are formed a sixth connecting ring is formed of the third rigid line and the floating structure The bollard is connected, but consists of a third stretch line having a shorter length than the second rigid line.

Here, the third rigid line is a supermax wire rope, which is a high strength fiber made of polyethylene (PE), and the third stretch line is a nylon wire rope made of nylon.

According to the wire system for the near sea mooring of the floating structure of the present invention constituted as described above, the floating structure and neighboring floating type by introducing a tension force to the fiber wire rope of heterogeneous material with different elasticity and the structure installed on the seabed By fixing the structures in close proximity to one another, it is possible to prevent them from being collided and broken between the floating structures.

In addition, according to the present invention, by mooring a large number of floating structures in a small space mooring place, it is possible to reduce the moving time of the floating structure or the cost of forming the mooring site.

In addition, according to the present invention it is possible to reduce the installation cost of the structure by simultaneously fixing a pair of floating structure to one line fixing structure.

1 is a perspective view showing the configuration of a wire system for the near sea mooring of a floating structure according to the present invention.
Figure 2 is a front view showing the configuration of the wire system for the near sea mooring of the floating structure according to the present invention.
Figure 3 is a plan view showing the configuration of the wire system for the near sea mooring of the floating structure according to the present invention.
4A to 4F are explanatory views for explaining a process of installing a wire system for the near sea mooring of a floating structure according to the present invention.

Hereinafter, with reference to the accompanying drawings, the configuration of the wire system for the near sea mooring of the floating structure according to the present invention will be described in detail.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. The following terms are defined in consideration of the functions of the present invention, and may be changed according to the intentions or customs of the user, the operator, and the like. Therefore, the definition should be based on the contents throughout this specification.

1 is a perspective view showing the configuration of a wire system for the near sea mooring of the floating structure according to the present invention, Figure 2 is a front view showing the configuration of a wire system for the sea near mooring of the floating structure according to the present invention, Figure 3 is a plan view showing the configuration of the wire system for the near sea mooring of the floating structure according to the present invention.

1 to 3, the wire system 100 for the near sea mooring of the floating structure according to the present invention includes a floating structure 110, a line fixing structure 120, a chain 130, It consists of a spring line 140, a lateral line 150 and an additional lateral line 160.

First, the floating structure 110 is a submerged enclosure having a conventional structure, and in particular, bollards (BOLLARD) 111 are formed at both ends of the upper surface in the longitudinal direction at equal intervals. In the embodiment of the present invention, a total of eight bollards, four at a time, were installed.

In addition, the line fixing structure 120 is respectively installed on the seabed ground at both ends of the center between the floating structure 110 and the neighboring floating structure (110). Here, the line fixing structure may be applied to any one selected from the concrete weight structure, suction pile, pile, anchor, in the embodiment of the present invention was applied to the suction pile. Here, it is also preferable to install fixtures such as anchors, pins, rings, etc. to connect the chain 130 to the line fixing structure 120 below.

In addition, the chain 130 is connected to the side or top of the line fixing structure 120, respectively, and protrudes above the seabed ground surface. In an embodiment of the present invention, six chains are applied to one line fixing structure 120.

In addition, the spring line 140 binds the chain 130 and the floating structure 110 and the bollard 111 of the neighboring floating structure 110 in the diagonal direction in a state in which the floating structure 110 is connected to each other. Limit vertical movement of Here, the spring line 140 has a first connecting line 141 is formed at both ends, the first rigid line 143 is connected to the chain 130, and the second connecting ring 145 is formed at both ends, The first rigid line 143 and the bollard 111 of the floating structure 110 is connected, but the first rigid line (to give a small elasticity to the entire spring line 140 to fix the floating structure 110) 143 and a first stretchable line 147 having a shorter length. Here, the first rigid line 143 is a super max wire rope, which is a high strength fiber made of polyethylene (PE), and the first elastic line 147 is a nylon wire rope made of nylon. Here, the spring line 140 is provided with a protective member 149 made of rubber or synthetic resin at an intersection to prevent breakage from another spring line 140 that intersects, and the protective member 149 has a plate shape, It can be produced in various forms such as a hollow cylindrical shape.

On the other hand, the lateral line 150 is a main mooring line for mooring the floating structure 110 is relatively rigid than the spring line 140, designed to be high elasticity floating structure 110 through the tension force In order to restrict the horizontal movement of the chain 130 and the bollard 111 of the floating structure 110 and the bollard 111 of the neighboring floating structure 110 in the state in the transverse tension to each other. Here, the lateral line 150 has a third connecting ring 151 is formed at both ends, the second rigid line 153 is connected to the chain 130, and the fourth connecting ring 155 is formed at both ends The second rigid line 153 and the bollard 111 of the floating structure 110 is connected, but consists of a second elastic line 157 having a longer length than the second rigid line 153 to provide elasticity. Here, the second rigid line 153 is a super max wire rope, which is a high strength fiber made of polyethylene (PE), and the second elastic line 157 is a nylon wire rope made of nylon.

In addition, the additional transverse line 160 is installed in preparation for generating additional load such as a typhoon, and the floating structure 110 adjacent to the floating structure 110 on the left or right side with respect to the line fixing structure 120. ) And the bollard 111 in the transverse direction unbonded, that is, mutually bound in a stretched state. Here, the additional transverse line 160 is formed with a third rigid line 163 connected to the chain 130 by forming a fifth connecting ring 161 at both ends, and a sixth connecting ring 165 at both ends thereof. The third rigid line 163 and the bollard 111 of the floating structure 110, but has a shorter length than the third rigid line 163 to have rigidity to limit the movement of the floating structure 110 The third stretchable line 167. Here, the third rigid line 163 is a super max wire rope, which is a high strength fiber made of polyethylene (PE), and the third elastic line 167 is a nylon wire rope made of nylon.

Hereinafter, the installation process of the wire system for the near sea mooring of the floating structure according to the present invention will be described in detail with reference to the accompanying drawings.

4A to 4F are explanatory views for explaining a process of installing a wire system for the near sea mooring of a floating structure according to the present invention.

First, one floating structure 110 is formed of eight segments having a length of 22.5m, and the floating structure 110 is 180m in length and 26.5m in width.

Then, the floating structure 110 is divided into three in the longitudinal direction, and the bollards 111 are installed at the upper and lower ends and about 59m points respectively.

On the other hand, to install the line fixing structure 120 on the seabed ground, a pair of line fixing structure 120 is installed by spaced apart 180m, and again a pair of line fixing in a state spaced apart from them 86m in the horizontal direction Install structure 120. At this time, the number of the line fixing structure 120 is installed one more to be able to fix both ends of the floating structure 110 to be moored. At this time, one end of the chain 130 is projected onto the seabed surface in a state connected to the fixture of the corresponding position of the line fixing structure 120, respectively.

In this state, as shown in FIG. 4A, the floating structure 110 manufactured at the manufacturing site is transported between the line fixing structures 120 through three tugboats 1 between the line fixing structures 120 in position. Position it on the centerline of the.

And, as shown in FIG. 4B, three tugboats 1 move the floating structure 110 in a left or right direction from its center line, and are connected to the line fixing structure 120 as shown in FIG. 4C. The chain 130 and two spring lines 140 and two transverse lines 150 are connected respectively.

At this time, the first rigid line 143 and the first elastic line 147 of the spring line 140 are interconnected by the first connecting ring 141 and the second connecting ring 145, the transverse line The second rigid line 153 of 150 and the second elastic line 157 are interconnected using the third connecting ring 151 and the fourth connecting ring 155, and the first connecting ring 141. And the third connecting ring 151 and the chain 130, and the second connecting ring 145 and the fourth connecting ring 155 to the bollard 111.

Meanwhile, the first rigid line 143 of the spring line 140 is a supermax wire rope having a diameter of 48 mm so as to have a rigidity relatively lower than that of the second rigid line 153 of the lateral line 150. Is 112 m, and the first stretch line 147 has a relatively lower elasticity than the second stretch line 157 of the transverse line 150 to have a diameter of 100 mm so as to elastically support the floating structure 110. The rope is 5.3 ~ 7m long.

In addition, the second rigid line 153 of the lateral line 150 is a supermax wire rope having a diameter of 60 mm so as to have a greater rigidity than the first rigid line 143 of the spring line 140. The second stretch line 157 is a nylon wire rope having a diameter of 100 mm and a length of 22 m so as to have an elasticity greater than that of the first stretch line 147 of the spring line 140.

In addition, when the first expansion line 147 of the spring line 140 is connected to the bollards 111 so that the spring line 140 cross each other, the protection member ( 149).

Then, as shown in FIG. 4D, three tugboats 1 move the floating structure 110 to its initial position, that is, the home position, and the chain 130 connected to the line fixing structure 120 in the same manner as described above. ) And the spring line 140 and the transverse line 150 are respectively connected in a tensioned state. At this time, the tugboat 1 may move the floating structure 110 in a right direction or a left direction from its center line so that the spring line 140 and the lateral line 150 are easily connected, and when moving, the spring line ( 140) and the transverse line 150 is connected and then moved to position by the tug line (1).

Then, the neighboring floating structure 110 is moored to the side of the floating structure 110 in the same manner as described above.

Meanwhile, the mooring of the floating structure 110 connects the additional transverse lines 160 to the floating structure 110 adjacent to the floating structure 110 on the left or right side about the line fixing structure 120. ) And the bollard 111 in the transverse direction unbonded, that is, mutually bound in a stretched state.

In this case, the third rigid line 163 and the third elastic line 167 of the additional transverse line 160 are connected to each other by the fifth connecting ring 161 and the sixth connecting ring 165. The five connecting ring 161 is connected to the chain 130, and the sixth connecting ring 165 is connected to the bollard 111 in an unstrained state, that is, hanged.

Further, the third rigid line 163 of the additional transverse line 160 is a supermax wire rope having a diameter of 60 mm, the length of which is 33.7 to 36.2 m, and the third elastic line 167 is a nylon wire having a diameter of 100 mm. The rope is 22m long.

When the floating structure 110 is fixed to the line fixing structure 120 through the spring line 140 and the transverse line 150 as described above, the spring line 140 having a relatively small stretch ratio is the floating structure ( The central portion of the 110 is fixed, and the transverse line 150 having a relatively high stretch ratio fixes both ends of the floating structure 110, thereby limiting the movement of the floating structure 110.

In addition, since the stretching ratio of the transverse line 150 is relatively large when an external force such as a wave is applied, the floating structure 110 rotates within the stretching range of the transverse line 150 at both ends about its central axis. Since it consumes energy, the fixing part can be prevented from being broken.

In addition, even when the wave height is high due to the typhoon or strong winds because the additional transverse line 160 restricts the movement of the floating structure 110 can be safely mooring the floating structure (110).

As those skilled in the art would realize, the described embodiments may be modified in various ways, all without departing from the spirit or scope of the present invention. It is to be understood, however, that the present invention is not limited to the specific forms referred to in the description, but rather includes all modifications, equivalents, and substitutions within the spirit and scope of the invention as defined by the appended claims. Should be.

1: tug 110: floating structure
111: bollard 120: line fixing structure
130: chain 140: spring line
150: transverse line 160: additional transverse line

Claims (9)

A plurality of floating structures in which the bollards are projected at equal intervals from both ends of the longitudinal upper surface;
Line fixing structures respectively installed on the seabed at both ends of the floating structure and adjacent floating structures;
A plurality of chains connected to said line fixing structure;
A plurality of spring lines that bind to each other in a state in which the chain and the bollards of the floating structure and the neighboring floating structure are tensioned in a diagonal direction to limit vertical movement of the floating structure; And
Relative rigidity and high elasticity than the spring line is designed to bind the chain and the bollard of the floating structure and the neighboring floating structure in the transverse direction to mutually bind to the horizontal movement of the floating structure Wire system for offshore proximity mooring of a floating structure, characterized in that it consists of a plurality of transverse lines limiting. The method of claim 1,
The line fixing structure,
Wire system for the near-shore mooring of the floating structure, characterized in that any one selected from the concrete weight structure, suction pile, pile, anchor. The method of claim 1,
The spring line,
A first connecting line is formed at both ends and the first rigid line is connected to the chain, and a second connecting ring is formed at both ends to connect the first rigid line and the bollard of the floating structure, the first rigid line A wire system for maritime proximity mooring of a floating structure comprising a first telescopic line formed of a shorter length. The method of claim 3, wherein
The lateral line is,
As a main mooring line for mooring the floating structure, a second connecting line is formed at both ends to connect with the chain, and a second connecting line is formed at both ends to form the second rigid line and the floating type. Connecting a bollard of the structure, the wire system for the near sea mooring of the floating structure, characterized in that consisting of a second stretched line formed to a length longer than the second rigid line. The method of claim 3, wherein
The first and second rigid lines,
Super Max Wire Rope is a high strength fiber made of polyethylene (PE),
The first and second stretch lines,
Wire system for offshore proximity mooring of floating structures, characterized in that nylon wire rope is made of nylon. The method of claim 1,
The spring line,
A wire system for maritime proximity mooring of a floating structure, characterized in that a protective member made of rubber or synthetic resin is provided at an intersection to prevent breakage from another intersecting spring line. The method of claim 1,
The wire system for the near sea mooring of the floating structure,
In the event of additional load such as a typhoon, a plurality of additional transverse lines are additionally connected to the left or right floating structure around one of the line fixing structures and the bollards of neighboring floating structures are mutually untensioned in the transverse direction. Wire system for offshore proximity mooring of a floating structure comprising a. The method of claim 7, wherein
The additional transverse line,
A fifth connecting line is formed at both ends and the third rigid line is connected to the chain, and a sixth connecting ring is formed at both ends to connect the third rigid line and the bollard of the floating structure, wherein the second rigid line A wire system for offshore proximity mooring of a floating structure, characterized in that it comprises a third telescopic line formed of a shorter length. The method of claim 8,
The third rigid line,
Super Max Wire Rope is a high strength fiber made of polyethylene (PE),
The third expansion line,
Wire system for offshore proximity mooring of floating structures, characterized in that nylon wire rope is made of nylon.

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