KR102085363B1 - Wave dissipation block, oceanic structure using the same and construction method thereof - Google Patents

Abstract

The present invention relates to a wave dissipation block, an offshore structure using the same, and a construction method for the same. The wave dissipation block is easily lifted and installed. Also, the weave dissipation block is stably interlocked and efficiently prevents wave overtopping. A body unit of the wave dissipation block is extended forward and backward, and a horizontal angle unit is installed on both sides in the rear of the body unit. A vertical angle unit is installed in the vertical direction in front of the body unit. A forward protruding angle unit is installed in front of the body unit to be in front of the vertical angle unit. The load of the horizontal angle unit can be increased, and the load of the vertical angle unit can be reduced to minimize a forward movement of the center of gravity, generated by the forward protruding angle unit. The forward protruding angle unit has excellent wave overtopping prevention effect and can be used to stably and simply lift the wave dissipation block.

Description

Sofa block and offshore structure and construction method using same {WAVE DISSIPATION BLOCK, OCEANIC STRUCTURE USING THE SAME AND CONSTRUCTION METHOD THEREOF}

The present invention relates to a sofa block, and more particularly, to a sofa block that can be easily lifted, easy to mount, and stably interlocked, and effectively prevent overwaves, a marine structure using the same, and a construction method thereof.

The sofa block is mounted underwater to quickly dissipate the kinetic energy of the seawater. Such a sofa block is largely divided into a tetrapod series in which a leg extends radially from one body center, and a searock or dolos series in which a leg is twisted at both ends of a body extending in a longitudinal direction.

The tetrapod sofa block has a problem in that cracks are generated due to heat of hydration because the diameter of the center portion increases as the weight increases, and thus a heavy weight body cannot be manufactured. Accordingly, a sofa block in which a plurality of core pillars having leg portions and a central portion are manufactured and arranged in a tetrapod form and then the central portion is integrated with concrete has been developed. However, this type of sofa block can be applied only to a heavy body because the concrete may be damaged if the thickness of the cured concrete is not secured in the center, and it is cured by installing formwork while supporting the heavy legs even when manufacturing the heavy body. There is a problem that the production is difficult and expensive because it must be.

Dolos-based sofa block, when the body is made of a heavy weight may break the body. Thus, reinforcing bars on the body to produce a sofa block. However, the reinforcement of the rebar leads to an increase in the manufacturing cost. In order to overcome this disadvantage, there has been a design change to shorten and thicken the body to prevent the body from breaking. However, when the body is shortened, when the sofa block is mounted on the slope, a lot of legs placed on the offshore side are inclined due to the inclination, so there was a problem that the moon wave occurs.

Patent Application Publication No. 1400283 Patent Publication No. 1400295 Patent Publication No. 1259947 Patent Application Publication No. 0991914

The present invention has been made to solve the above-described problems, the sofa block can secure the strength of the body without reinforcement to the body, and at the same time, easy to manufacture and easy to lift and mount, while preventing a wave wave The purpose of the present invention is to provide a structure, and an offshore structure to which the structure and its construction method are applied.

The present invention includes a body portion (4) having a straight linear body center axis (4A), extending in parallel with the body center axis (4A); A left angle part having straight straight horizontal angle center axes 2A, respectively extending outwardly from the rear end of the body part 4 in a symmetrical shape with respect to the body center axis 4A; A horizontal angle portion 2 including 2L) and a right angle portion 2R; And upper straight portions having vertical straight central axis 3A, respectively, and extending outwardly from the front end of the body portion 4 in a shape symmetrical with respect to the body central axis 4A. It is applied to the sofa block (1) comprising a vertical angle portion (3) comprising a 3U and a lower angle portion (3D).

In the sofa block 1, the horizontal angle center axis 2A of the pair of horizontal angle parts 2 is present in the first plane together with the body center axis 4A, and the pair of vertical angle parts ( 3A of the vertical angle center axis 3 is present in the second plane together with the body center axis 4A, and the first plane and the second plane are perpendicular to each other.

Sofa block 1 of the present invention for solving the above-described problems, the vertical along the body center axis (4A) between the pair of vertical angle portion (3) to the front end of the body portion (4) It is further provided with a front protrusion angle portion 5 of the body portion 4 is further extended in front of the corner portion (3).

The front protrusion angle portion 5 further moves the center of gravity of the sofa block 1 forward. In order to minimize the movement of the center of gravity forward by the front projection angle (5), the weight of the horizontal angle (2) is secured to the maximum and the weight of the vertical angle (3) can be reduced somewhat within the allowable range.

Particularly, since the horizontal angle part 2 is a part placed on a slope, the horizontal angle part 2 should be shaped to maintain a stable state while the vertical angle part 3 does not support its own weight after the final mounting. It is not necessary to secure the strength. However, since the vertical angle portion 3 is a part that is gripped by the lifting wire in the lifting process, it may be required to secure a certain degree or more of strength.

In view of these points, the sofa block 1 may have the following features.

The shape of the cross section 4S, which is defined as a plane perpendicular to the body center axis 4A at the center of the body portion 4 in the front-back direction, is substantially octagonal.

The pair of upper and lower surfaces 4UD each including the upper side and the lower side of the octagon is directly connected to the proximal end of the horizontal leg 2.

Thereby, the load of the horizontal angle part 2 is fully ensured, and the horizontal angle part 2 can be made to rest stably on the slope.

The left and right widths of the proximal end of the vertical leg portion 3 are smaller than the width between the pair of left and right sides 4LR including the left and right sides of the regular octagon, respectively, so that the pair of left and right sides 4LR Is connected with the proximal end of the vertical angle part 3 with a step.

Thereby, while maintaining the strength of the vertical leg portion 3, it is possible to reduce the load of the vertical leg portion 3 to some extent.

The left and right side surfaces 4LR are directly connected to the proximal end of the front protrusion angle portion 5.

As a result, it is possible to easily lift the sofa block while greatly increasing the effect of preventing the moon wave.

The protruding length 5L of the front protrusion angle portion 5 may be 15% to 25% of the front and rear length 4L of the body portion 4. If the protruding length is less than 15%, the moon wave effect is reduced. If the protruding length is more than 25%, the center of gravity of the sofa block is moved to the front and stability is lowered when the slope is mounted.

The vertical height 5H of the front protrusion angle portion 5 is 75% to 85% of the height 4H between the upper and lower surfaces 4UD of the body portion 4. If the height in the vertical direction is less than 75%, it is difficult to secure the strength. If the height in the vertical direction exceeds 85%, the center of gravity of the sofa block is greatly moved forward and the stability of the slope is lowered.

The horizontal width 3W of the proximal end of the vertical leg portion 3 is 90% to 95% of the width 4W between the left and right side surfaces 4LR of the body portion 4. If the left and right width (4W) is less than 90%, it is difficult to secure the strength, more than 95% is difficult to reduce the weight, so the center of gravity of the sofa block is moved to the front largely, the stability is lowered when mounting the slope.

The vertical height 3H of the vertical leg portion 3 is 94% to 99% of the horizontal width 2W of the horizontal leg portion 2. If the height is less than 94%, the sofa effect is reduced. If the height is greater than 99%, the weight reduction is difficult, so the center of gravity of the sofa block is moved to the front, and stability is lowered when the slope is mounted.

The front protrusion angle portion (5) not only functions as a structure for the anti-wave effect, it is also used as a lifting gripping structure when lifting the sofa block.

To this end, the distance between the rear surface of the upper angle portion 3U and the lower surface of the front protrusion angle portion 5 may be configured to gradually increase as the distance from the body portion 4 increases.

In addition, at least the rear 3UR of the proximal end of the upper leg 3U and the connecting portion of the body 4 are connected by a curved curved surface, and at least the lower 51 and the lower leg of the proximal end of the front protrusion angle 5. The connection portion of 3D is connected to the curved curved surface, so that the lifting wire can stably hold the sofa block, and the sofa block can be prevented from being broken by the lifting wire.

The first site angle 2C on the side facing the rear between the pair of horizontal angle center axes 2A is less than 180 degrees, and the rear end surface of the body portion 4 and the rear end of the horizontal angle portion 2 are smaller than 180 degrees. The plane forms one flat surface 21 extending from side to side. Thereby, the horizontal angle portion 2 can be mounted in a stable posture on the slope.

 A second lifting groove 29 extending in a "c" shape is formed in the front end surface 22 and the flat surface 21 of the pair of horizontal angle portions 2, and the line of the lower angle portion 3D. The first lifting groove 39 extending in the left and right directions is formed in the cross section. Unlike the conventional sofa block 1 of the present invention, since only the horizontal leg 2 and the lower leg 3D are used to be placed on the floor, the lifting blocks are provided as described above to facilitate the handling of the sofa block.

In the state where the horizontal angle portion 2 and the lower angle portion 3D are placed on the horizontal plane, the corner portion where the upper surface and the tip surface of the front protrusion angle portion 5 meet is disposed at the highest position, and the front protrusion angle portion ( The chamfer surface 55 of the corner part where the upper surface and the front end surface of 5) meet is parallel with a horizontal surface.

Then, it is possible to manufacture a concrete injection hole of the formwork through the corresponding portion, it becomes easier to manufacture the sofa block 1 of the present invention including the front projection angle (5).

The present invention further includes a marine structure constructed by mounting the sofa blocks 1 on a slope.

The sofa blocks mounted on the first end of the slope Q are mounted so that the horizontal angle parts are arranged in a row, and the sofa blocks mounted on the second end of the slope Q, which is just above the first end, are placed in a horizontal line. It is mounted so as to be arranged, but the lower surface of the body portion 4 of the sofa block of the second stage and the rear surface of the lower angle portion 3D span the upper portions of the horizontal angle portions that face each other of two neighboring sofa blocks of the first stage.

In particular, the center of gravity of the sofa block mounted on the second end is disposed on an area that is rearward than the center F1 of the horizontal angle portion of the sofa block mounted on the first end and is forward of the rear end F2 of the horizontal angle portion, The sofa block of the second stage is mounted in a more stable posture, and the sofa block of the first stage can be stably pressed and interlocked by the sofa block of the second stage.

In addition, the present invention further includes a construction method of the marine structure.

The construction method includes the steps of: building a slope (Q) and a cloth cross section (4S) on the sea bottom (P) with sandstone and coated stone or roughened blocks; The front projection angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed on the boundary between the sea bottom P and the slope Q and the sofa block 1 on the sea bottom P. Laying the lower corner portion (3D) of the bottom mounting step for mounting a plurality of sofa blocks (1) in the left and right directions; The front protrusion angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed along the contour line of the slope Q, and the lower surface of the body part 4 of the sofa block 1 A slope mounting step of mounting the rear surface of the lower corner portion 3D so as to span the upper portions of the horizontal corner portions 2 facing each other of two neighboring sofa blocks 1 of the lower end; And the front protrusion angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed on the top end surface 4S, and the lower and lower angle parts of the body part 4 of the sofa block 1 are placed. It includes; a cross-section mounting step so that the back of the (3D) is mounted so as to cover the upper portion of the horizontal angle portion (2) of the two neighboring sofa block (1) of the lower end immediately facing each other.

When lifting the sofa block 1, the connection portion between the rear 3UR and the body portion 4 of the proximal portion 3U of the upper leg portion 3 and the lower portion 51 and the lower portion of the proximal portion of the front protrusion angle portion 5 is lowered. The lifting wire can be wound around the connection part of each part 3D and lifted up.

According to the sofa block of the present invention, while securing the strength of the body sufficiently, it is possible to enjoy the effect of preventing the wave through the vertical angle portion and the front protrusion angle structure.

According to the sofa block of the present invention, it is easy to lift and handle the sofa block while enjoying the effect of preventing the wave through the front protrusion angle structure.

According to the sofa block of the present invention, it is possible to minimize the degree of movement of the center of gravity forward while having a front projection angle, it is possible to increase the stability of the mounting of the sofa block on the slope.

The sofa block of the present invention is easy to manufacture and easy to handle.

In addition, the offshore structure based on the sofa block of the present invention is excellent in the anti-wave effect and interlocking is made stable.

In addition, according to the marine structure construction method of the present invention, the sofa block is easy to handle and easy to mount, thereby facilitating construction.

In addition to the effects described above, the specific effects of the present invention will be described together with the following description of specifics for carrying out the invention.

1 is a perspective view of the sofa block of the embodiment according to the present invention raised on a horizontal surface.
2 is a left side view of the sofa block of FIG.
3 is a plan view of the sofa block of FIG.
4 is a rear view of the sofa block of FIG. 1.
5 is a bottom view of the sofa block of FIG.
6 and 7 are views of the sofa block in a direction parallel to the body center axis from the front and rear of the sofa block of FIG. 1, respectively.
8 and 9 are views of the sofa block in a direction perpendicular to the body center axis from the upper and lower portions of the sofa block of FIG.
10 is a sectional view taken along line XX of FIG. 8.
11 is a view showing a state in which the sofa block is placed on the slope.
12 is an enlarged side view of the slope portion of FIG. 11.
FIG. 13 is a view illustrating a state in which the sofa block of the embodiment is fastened with a lifting wire.
FIG. 14 is a view showing a state in which the sofa block of the embodiment is hooked with a lifting wire using a lifting groove. FIG.
15 is a view showing a turbulent state of the sofa block.

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

The present invention is not limited to the embodiments disclosed below, but can be variously modified and implemented in various different forms. This embodiment is provided only to make the disclosure of the present invention complete and to fully inform the person skilled in the art the scope of the present invention. Therefore, the present invention is not limited to the embodiments disclosed below, but the substitution and addition of the configuration of any one embodiment and the configuration of another embodiment, as well as all changes, equivalents included in the spirit and scope of the present invention It is to be understood to include to substitutes.

The accompanying drawings are intended to facilitate understanding of the embodiments disclosed herein, but are not limited to the technical spirit disclosed in the specification by the accompanying drawings, and all modifications and equivalents included in the spirit and scope of the present invention. It should be understood to include water or substitutes. In the drawings, the components may be exaggerated in size or thickness in consideration of the convenience of understanding and the like, but the scope of protection of the present invention should not be limitedly interpreted.

The terminology used herein is for the purpose of describing particular embodiments or embodiments only and is not intended to be limiting of the invention. And singular expressions include plural expressions unless the context clearly indicates otherwise. The terms "comprise," and "comprise" in the specification are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification. In other words, in the specification, the terms including, are made. It should be understood that it does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

When a component is said to be "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may be present in the middle. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

When a component is referred to as being "above" or "below" another component, it is to be understood that other components may be present in the middle as well as being placed directly above the other component. .

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

[Sofa block]

1 to 10, the sofa block 1 of the embodiment according to the present invention, the body portion 4, the horizontal angle portion 2 is connected to the rear end of the body portion 4, the body portion 4 It includes a vertical angle portion (3) connected to the front end of the front projection angle portion (5) extending forward from the front end of the body portion (4).

<Body part>

The body portion 4 extends along the straight central body axis 4A. As shown in FIG. 10, the cross-section 4S of the body portion 4 defined by the surface perpendicular to the body center axis 4A may be substantially octagonal. The cross section 4S shown in FIG. 10 is a cross section of the center position of the longitudinal length of the body portion 4.

In order to prevent the body portion 4 from being broken without reinforcing the reinforcing bar to the body portion 4, the cross section of the body portion 4 can be increased while the length thereof is minimized. To this end, the horizontal angle part 2 is connected to the left and right sides of the body part 4 at the rear end of the body part 4, and the vertical angle part 3 is connected to the front end of the body part 4. The upper and lower parts of the body part 4 may be connected to each other, and the horizontal angle part 2 and the vertical angle part 3 may be disposed as close as possible in the front-rear direction. However, the distance between the horizontal angle portion 2 and the vertical angle portion 3, in the mounting process to be described later, the lower surface of the body portion 4 of the sofa block of the upper end can be over at least on the horizontal angle of the sofa block of the lower end. As much as possible.

The size of the cross section of the body portion 4 may be gradually reduced as it goes rearward or forward from the front-rear center of the body portion 4. For example, in FIG. 2, the height between the upper and lower surfaces 4UD is gradually narrowed toward the rear from the center of the front and rear directions of the body part 4, and FIG. 8 is forward from the front and rear direction center of the body part 4. It is shown that the width gradually narrower between the left and right side surface (4LR). This slope may be about 3 degrees to 10 degrees, and more preferably about 4 degrees to 6 degrees. In addition, by setting the inclination of the rear of the body portion 4 smaller than the inclination of the front of the body portion 4, it is possible to further secure the volume (weight) of the rear with respect to the center of the body portion (4).

<Horizontal corner part>

The horizontal angle portion 2 is connected to the body portion 4 in a form extending in the horizontal direction on the left and right sides of the rear end of the body portion 4, respectively. Referring to FIG. 8, the first site angle 2C formed by the horizontal angle center axis 2A of the pair of horizontal angle portions 2 may be less than 180 degrees. The pair of horizontal angle center axis 2A and the body center axis 4A may exist on the same plane (first plane).

The left leg portion 2L and the right leg portion 2R constituting the horizontal leg portion 2 may have symmetrical shapes with respect to the body center axis 4A.

A cross section of the horizontal leg portion 2 which is formed on the surface perpendicular to the horizontal leg center axis 2A may also be an octagon close to a regular octagon. In addition, the cross section may become smaller from the base end portion of the horizontal angle portion 2 to the tip portion along the horizontal angle center axis 2A.

The normal vector of the front end face 22 of the horizontal angle part 2 faces outward. A chamfer is formed between the circumferential surface of the horizontal angle portion 2 and the front end surface 22.

The rear surface of the horizontal angle portion 2 forms a flat surface 21 which is connected to the rear surface of the body portion 4 evenly. Accordingly, when the sofa block 1 is mounted in such a way that the front of the body portion 4 is lifted more than the rear of the body portion 4, the bottom edge of the flat surface 21 is raised on the floor. The sofa block 1 can be placed on the floor more stably.

The upper and lower surfaces of the horizontal angle portion 2 may be directly connected to the upper and lower surfaces 4UD of the body portion 4, respectively. That is, the horizontal angle portion 2 and the body portion 4 can be connected without a step. Accordingly, it is possible to secure the volume of the rear side of the body portion 4 by securing the volume occupied by the horizontal angle portion 2 as much as possible, so that the horizontal angle portion 2 can be stably placed on the floor without wading from side to side. have.

The front surface of the horizontal angle portion 2 and the left and right side surfaces 4LR of the body portion 4 may be connected to the curved surface, so that stress concentration may not occur.

<Vertical corner part>

The vertical angle portion 3 is connected to the body portion 4 in a form extending in the vertical direction at the upper and lower portions of the front end of the body portion 4, respectively. Referring to FIG. 2, the second site angle 3C formed by the vertical axis center axis 3A of the pair of vertical angle parts 3 may be less than 180 degrees. The pair of vertical angle center axis 3A and the body center axis 4A may exist on the same plane (second plane). The first plane and the second plane may be perpendicular to each other.

The upper leg portion 3U and the lower leg portion 3D constituting the vertical leg portion 3 may have symmetrical shapes with respect to the body center axis 4A.

A cross section of the vertical leg portion 3, which is formed on the surface perpendicular to the vertical leg center axis 3A, may also be an octagon close to a regular octagon. In addition, the cross section may become smaller from the base end portion of the vertical leg portion 3 to the tip portion along the vertical leg center axis 3A.

The normal vector of the front end surface of the vertical angle part 3 faces outward. A chamfer is formed between the circumferential surface and the front end surface of the vertical angle portion 3.

The left and right side surfaces of the vertical leg portions 3 may have a step with the left and right side surfaces 4LR of the body portion 4, respectively. That is, the left and right width 3W of the proximal end of the vertical angle portion 3 may be smaller than the width 4W between the left and right sides 4LR of the body portion 4. Accordingly, the volume occupied by the vertical angle portion 3 may be smaller than the horizontal angle portion 2 so that the center of gravity CM moves backward.

The rear surface of the vertical angle portion 3 and the upper and lower surface 4UD of the body portion 4 may be connected to a curved surface, so that stress concentration may not occur.

<Front protrusion angle part>

At the front end of the body portion 4, the front protrusion angle portion 5 of the body portion 4 is further extended to the front may be provided. The front protrusion angle portion 5 further extends forward along the body center axis 4A between the pair of vertical angle portions 3.

The front protrusion angle part 5 may move the center of gravity CM of the sofa block 1 further forward. Thus, in the embodiment, in order to minimize the movement of the center of gravity (CM) to the front by the front projection angle portion 5, the vertical direction of the vertical angle portion (3) than the horizontal width (2W) of the horizontal angle portion (2) The height 3H was slightly reduced, and the circumference of the base end of the vertical angle part 3 was made smaller than the circumference of the base end of the horizontal angle part 2.

The vertical height 3H of the vertical angle portion 3 illustrated in FIG. 2 may be 94% to 99% of the horizontal width 2W of the horizontal angle portion 2 illustrated in FIG. 3. If the height is less than 94%, the sofa effect is reduced. If the height is greater than 99%, the weight reduction is difficult, so the center of gravity of the sofa block is moved to the front, and stability is lowered when the slope is mounted. In the embodiment, it is illustrated that the vertical height 3H of the vertical angle portion 3 is 97% of the horizontal width 2W of the horizontal angle portion 2.

Since the cross section of the body portion 4 is substantially octagonal, the width 4W between the left and right side surfaces 4LR is substantially the same as the height 4H between the upper and lower surface 4UD. Since the upper and lower surfaces of the proximal end of the horizontal leg 2 are directly connected to the upper and lower surfaces 4UD of the body 4 without a step, the vertical height of the proximal end of the horizontal leg 2 is greater than that of the body 4. It is equal to the height 4H between the upper and lower surfaces 4UD. On the other hand, referring to Figure 6, the left and right side surfaces of the vertical angle portion 3 has a step through the width (4W) and the step surface 6 between the left and right side surfaces (4LR) of the body portion 4, the vertical The left and right width 3W of the proximal end of each part 3 is reduced by 90% to 95% of the width 4W between the left and right sides 4LR of the body part 4. If the left and right width (4LR) is 90% or less, it is difficult to secure the strength, 95% or more it is difficult to reduce the weight, so the center of gravity of the sofa block is moved to the front largely, the stability can be reduced when the slope. In the embodiment, a shape in which the left and right width 3W of the proximal end of the vertical leg portion 3 is about 94% of the width 4W between the left and right side surfaces 4LR of the body portion 4 is illustrated.

Meanwhile, the proximal end of the front protrusion angle portion 5 is directly connected to the left and right side surfaces 4LR of the body portion 4 without a step. According to the embodiment, by securing the width of the front protrusion angle portion 5 it is possible to greatly increase the effect of preventing the moon wave.

Referring to FIG. 2, the protruding length 5L of the front protruding angle part 5 is 15% to 25% of the front and rear length 4L of the body part 4, and is perpendicular to the front protruding angle part 5. The directional height 5H may be 75% to 85% of the height 4H between the upper and lower surfaces 4UD of the body portion 4. If the protrusion length is less than 15%, the moon wave effect is reduced, and if the vertical height is less than 75%, it is difficult to secure the strength. In addition, if the protruding length is more than 25% and the vertical height is more than 85%, the center of gravity of the sofa block is greatly moved forward and the stability of the slope is inferior. In the embodiment, a form having a protruding length of about 20% and a protruding height of 79% is illustrated.

The front protrusion angle part 5 can be used to stably hold the sofa block with the lifting wire W while lifting the sofa block. To this end, the distance between the rear surface of the upper angle portion 3U and the lower surface of the front protrusion angle portion 5 is configured to gradually increase as the distance from the body portion 4 increases. In addition, the rear portion 3UR of the upper end portion 3U and the connection portion of the body portion 4 are connected to the curved surface, and the lower end portion 51 and the lower angle portion 3D of the proximal portion of the front protrusion angle portion 5. ) Is connected to the curved surface.

Referring to FIG. 13, the lifting wire W is connected to the rear portion 3UR of the upper end portion 3U and the connection portion between the body portion 4 and the lower portion 51 of the base end portion of the front protrusion angle portion 5. It can be wound to surround the connecting portion of the lower corner portion (3D). Since the center of gravity CM is disposed between the two supporting points of the lifting wire W, the sofa block 1 does not turn over or come off even when lifting the lifting wire W.

Salvage Home

The sofa block 1 of the embodiment is provided with a first lifting groove 39 and a second lifting groove 29. The first lifting groove is provided at the front end surface of the lower corner portion 3D. The first lifting groove 39 may have a groove shape extending from side to side. In addition, the second lifting groove 29 is provided on the front end surface 22 and the flat surface 21 of the horizontal angle portion (2). The second lifting groove 29 may have a groove shape extending in a "c" shape.

Referring to FIG. 14, the lifting wires W may be inserted into the first lifting grooves 39 and the second lifting grooves 29, respectively.

<Production Convenience>

Referring to FIG. 2, in the state where the horizontal angle portion 2 and the lower angle portion 3D are placed on a horizontal plane, an edge portion where the upper surface and the front end surface of the front protrusion angle portion 5 meet is the front protrusion angle portion 5. The chamfer surface 55 is disposed at the highest position in the corner portion where the top surface and the front end surface of the front protrusion angle portion 5 may be configured to be parallel to the horizontal surface. Accordingly, the concrete injection hole of the formwork can be manufactured at the corner portion where the upper surface and the tip surface of the formwork surrounding the front protrusion angle part 5 meet, and the concrete can be filled to the concrete injection hole by gravity, and the front protrusion angle part 5 It becomes easier to manufacture the sofa block 1 of the present invention comprising a).

Concrete injection hole of the formwork for manufacturing the sofa block 1 of the embodiment, the upper surface and the front end surface of the front projection angle portion 5 may be provided on the front end surface of the upper corner portion (3U). In a state in which the sofa block 1 is placed on a horizontal surface as shown in FIG. 2, the front end surface of the upper corner portion 3U may be horizontal.

<Offshore Structure using Sofa Block>

Hereinafter, with reference to Figures 11 and 12, it will be described the offshore structure and construction method using the sofa block (1). The sofa block 1 may be mounted on a slope Q between the bottom surface P and the top end surface 4S.

First, the slope Q is constructed. The slope (Q) can be constructed from sandstone and cladding or solid blocks.

After the slope Q is constructed, the sofa block 1 is mounted near the boundary between the sea bottom P and the ceiling end surface 4S. The sofa block 1 may be mounted in such a manner that the front protrusion angle part 5 faces the external sea and the horizontal angle parts 2 between neighboring sofa blocks 1 face each other. The horizontal angle portion 2 may be mounted near the boundary between the sea bottom surface P and the slope Q. FIG.

The sofa block 1 mounted on the slope Q is displaced from the sofa block 1 mounted at the lower end thereof, and is mounted in a form aligned with the sofa block 1 mounted at the lower end of the second stage. The body part 4 and the lower angle part 3D of the sofa block 1 of the upper end are placed on a portion where the horizontal angle parts 2 of two neighboring sofa blocks 1 of the lower end face each other. This mounting method may continue up to the top end surface 4S.

In order to prevent breakage of the body portion 4, the longitudinal length of the body portion 4 is set short. Accordingly, the body portion 4 is stationary in a form of upward upward toward the outer sea as shown in FIG. 12. And the front of the vertical angle portion 3 is arranged in a form inclined backward as shown. However, unlike the conventional sofa block, the sofa block 1 of the embodiment protrudes with the front protrusion angle 5 forward upward. The upward angle of the body portion 4 and the front protrusion angle portion 5 may be within 30 degrees of the horizontal plane.

According to the sofa block (1) of the embodiment, by the front projection angle (5), the effect of preventing the moon wave is excellent.

Meanwhile, according to the sofa block 1 of the embodiment, although the load of the sofa block 1 may be biased forward by the front protrusion angle part 5, the volume of the horizontal angle part 2 is sufficiently secured, and the vertical angle part ( By reducing the volume of 3) within a predetermined range, the phenomenon that the center of gravity shifts forward is minimized. Accordingly, as shown in FIG. 12, the center of gravity CM of the sofa block 1 is present on the horizontal angle portion 2 of the sofa block 1 disposed at the lower end thereof, but the horizontal angle portion 2 is present. It may be disposed slightly rearward from the center F1 of. That is, the center of gravity CM of the sofa block 1 is disposed between the center F1 and the rear end F2 of the horizontal angle portion 2 of the sofa block 1 disposed at the lower end thereof. Therefore, the center of gravity CM of the sofa block 1 directly presses the horizontal angle part 2 of the lower sofa block 1 to stably support the lower sofa block 1, and the center of gravity CM is Since it is disposed behind the center F1 of the horizontal angle portion 2 of the sofa block 1 disposed at the lower end, there is no fear that the sofa block 1 may fall forward.

Although the above-described offshore structures are constructed in a static manner, the present invention is not necessarily limited to the offshore structures in the static manner. The sofa block 1 can be used any number of difficulties. In other words, offshore structures may be constructed by turbulence. For example, the sofa block 1 may be constructed in a turbulent shape on the tetrapod structure to reinforce the existing tetrapod structure.

<Construction method of marine structures>

11 to 15, the construction method of the marine structure of the present invention will be described.

First, assembling formwork in the yard near the site where the construction should be made and curing the sofa block (1) by injecting concrete. After the sofa block is cured, it is demoulded and transported to the stockyard or construction site. The transport of the sofa block may be made by heavy equipment.

In addition, in the field, the foundation work for mounting the sofa block. For example, in the field, a slope Q and a cloth cross section 4S may be constructed as shown in FIG.

Subsequently, the sofa block 1 is mounted on the site where the foundation work is completed. The sofa block 1 may be mounted in a static (see FIGS. 11 and 12) or a turbulent manner (see FIG. 15). In the step of mounting the sofa block 1, the sofa block 1 may be lifted in the manner shown in FIG. This method lifts the sofa block 1 in a state where the horizontal angle part 2 is struck downward, which is advantageous for the mounting of the sofa block 1, and separates the lifting wire W from the mounted sofa block 1. Easy to bet

The construction method of fixing the sofa block 1 in a static form, in order, includes a bottom mounting step, a slope mounting step and a top surface mounting step.

In the bottom mounting step, the front projection angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed on the boundary between the sea bottom surface P and the slope Q and on the bottom surface P. The lower corner portion 3D of the sofa block 1 is placed, and a plurality of sofa blocks 1 are mounted in the left and right directions.

Next, in the slope mounting step, the front protrusion angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed along the contour line of the slope Q. At this time, the lower surface of the body portion 4 of the sofa block 1 and the rear surface of the lower angle portion 3D are mounted so as to span the upper portions of the horizontal angle portions 2 facing each other of two neighboring sofa blocks 1 at the lower ends. do.

Next, in the step of mounting the cross section, the front protrusion angle part 5 faces the external sea, and the horizontal angle part 2 of the sofa block 1 is placed on the top end surface 4S, but the body part 4 of the sofa block 1 is placed. The bottom surface of the bottom and the back of the lower angle portion (3D) is mounted so as to span the top of the horizontal angle portion (2) facing each other of the two neighboring sofa block (1) of the lower end immediately.

In the carrying and lifting process of the sofa block described above, the lifting may be performed using the lifting wire W in the manner shown in FIGS. 13 and 14. In addition, although not shown, it is also possible to lift the sofa block after the lifting wire (W) is put on the rear of the first lifting groove and the upper corner provided in the lower corner portion.

In addition, the sofa block 1 of the embodiment may be constructed with difficulty as shown in FIG. 15.

As described above, the present invention has been described with reference to the drawings exemplified, but the present invention is not limited to the embodiments and drawings disclosed herein, and various modifications may be made by those skilled in the art within the scope of the technical idea of the present invention. It is obvious that modifications can be made. In addition, even if the above described embodiments of the present invention while not explicitly described by describing the effect of the configuration of the present invention, it is obvious that the effect predictable by the configuration is also to be recognized.

1: sofa block
2: horizontal corner
2A: Horizontal Angle Center Shaft
2C: first square
2R: right leg
2L: left leg
2W: horizontal width of horizontal part
21: flat surface
22: cross section
29: Second Salvage Home
3: vertical corner
3A: vertical angle center axis
3C: Second Square
3U: upper leg
3UR: proximal rear
3D: Lower part
3W: left and right width of the proximal end of each vertical part
3H: vertical height of vertical legs
39: First Salvage Home
4: body
4A: body center axis
4S: cross section
4UD: Top and Bottom
4LR: left and right
4W: width between left and right
4H: Height between the upper and lower surfaces
4L: front and rear length of body
5: forward protrusion
5L: Protruding length of forward protrusion
5H: Vertical height at forward protrusion
51: lower base
55: chamfer face
6: step surface
CM: center of gravity
F1: center of horizontal angle
F2: rear end of horizontal leg
W: Salvage Wire
P: bottom
Q: slope
R: cross section

Claims (11)

A body portion (4) having a straight linear body center axis (4A) and extending in parallel with the body center axis (4A);
A left angle part having straight straight horizontal angle center axes 2A, respectively extending outwardly from the rear end of the body part 4 in a symmetrical shape with respect to the body center axis 4A; A horizontal angle portion 2 including 2L) and a right angle portion 2R;
An upper angle portion having a straight linear vertical angle center axis 3A, each extending outwardly from the front end of the body portion 4 in a shape symmetrical with respect to the body center axis 4A; A vertical angle portion 3 including 3U) and a bottom angle portion 3D; And
It is formed at the front end of the body portion 4, the body portion 4 is further forward than the vertical angle portion (3) along the body center axis (4A) between the pair of vertical angle portion (3) Includes; forward projection angle portion 5 of the extended form,
The horizontal angle center axis 2A of the pair of horizontal angle parts 2 is present in the first plane together with the body center axis 4A,
The vertical angle center axis 3A of the pair of vertical angle parts 3 is present in the second plane together with the body center axis 4A,
The first plane and the second plane is perpendicular to each other,
The shape of the cross section 4S defined as a plane perpendicular to the body center axis 4A at the center of the body portion 4 in the front and rear direction is substantially octagonal,
The pair of upper and lower surfaces 4UD each including the upper and lower sides of the regular octagon is directly connected to the proximal end of the horizontal leg 2, while the left and right widths of the proximal end of the vertical leg 3 are The pair of left and right sides 4LR is smaller than the width between the pair of left and right sides 4LR including the left side and the right side of the octagon, respectively, and the pair of left and right sides 4LR are connected with the proximal end of the vertical angle part 3, respectively. , The center of gravity (CM) moves backwards,
The left and right side surface 4LR is directly connected to the proximal end of the front protrusion angle part 5 to increase the anti-solving function, and the protruding shape of the front protrusion angle part 5 provides a locking structure for the lifting wire W. Sofa block.
The method according to claim 1,
The protruding length 5L of the front protrusion angle portion 5 is 15% to 25% of the front and rear length 4L of the body portion 4,
The vertical height (5H) of the front projection angle portion (5) is a sofa block of 75% to 85% of the height (4H) between the upper and lower surfaces (4UD) of the body portion (4).
The method according to claim 1,
The left and right width 3W of the proximal end of the vertical leg portion 3 is 90% to 95% of the width 4W between the left and right side surfaces 4LR of the body portion 4,
The vertical height (3H) of the vertical angle portion (3) is a sofa block of 94% to 99% of the horizontal width (2W) of the horizontal angle portion (2).
The method according to claim 1,
The distance between the rear surface of the upper angle portion 3U and the lower surface of the front protrusion angle portion 5 is gradually increased as the distance from the body portion 4 increases.
At least the rear 3UR of the proximal end of the upper corner portion 3U and the connection portion of the body portion 4 are connected by a curved surface,
At least a lower portion (51) of the proximal end of the front projection portion (5) and the connecting portion of the lower angle portion (3D) sofa block is connected to the curved surface.
The method according to claim 1,
The first site angle 2C on the side facing the rear between the pair of horizontal angle center axes 2A is smaller than 180 degrees,
The rear end surface of the body portion 4 and the rear end surface of the horizontal angle portion 2 constitute one flat surface 21 extending from side to side,
A second lifting groove 29 extending in a "c" shape is formed in the front end surface 22 and the flat surface 21 of the pair of horizontal angle parts 2,
Sofa block formed with a first lifting groove 39 extending in the left and right directions on the front end surface of the lower corner portion (3D).
The method according to claim 1,
In the state where the horizontal angle portion 2 and the lower angle portion 3D are placed on the horizontal plane, the corner portion where the upper surface and the tip surface of the front protrusion angle portion 5 meet is disposed at the highest position,
Chamfer surface 55 of the corner portion where the front surface and the front end surface of the front protrusion angle portion 5 is parallel to the horizontal block sofa.
The offshore structure constructed by mounting the sofa block according to any one of claims 1 to 6.
The method according to claim 7,
Sofa blocks mounted to the first end of the slope (Q) are mounted so that the horizontal parts are arranged in a line,
Sofa blocks mounted on the second end of the slope Q, which is just above the first end, are mounted so that the horizontal angle parts are arranged in a line, and the lower surface and the lower angle part of the body part 4 of the sofa block of the second end ( The back side of 3D) spans the upper part of the horizontal angle parts of the two neighboring sofa blocks of the first stage,
The center of gravity of the sofa block mounted on the second end is disposed on an area that is rearward from the center (F1) of the horizontal angle portion of the sofa block mounted on the first stage and is forward of the rear end (F2) of the horizontal angle portion.
As a marine structure construction method of claim 7,
Assembling formwork at a yard near the site and injecting concrete to cure the sofa block (1);
Demolding formwork and transporting the sofa block (1) to a stockyard or site; And
Lifting the sofa block (1) in the field and the step of mounting in the form of static or ovule; Offshore structure construction method comprising a.
The method according to claim 9,
Mounting the sofa block (1) in a static form is:
The front projection angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed on the boundary between the sea bottom P and the slope Q and the sofa block 1 on the sea bottom P. Laying the lower corner portion (3D) of the bottom mounting step for mounting a plurality of sofa blocks (1) in the left and right directions;
The front protrusion angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed along the contour line of the slope Q, and the lower surface of the body part 4 of the sofa block 1 A slope mounting step of mounting the rear surface of the lower corner portion 3D so as to span the upper portions of the horizontal corner portions 2 facing each other of two neighboring sofa blocks 1 of the lower end; And
The front protrusion angle part 5 faces the outer sea, and the horizontal angle part 2 of the sofa block 1 is placed on the top end surface 4S, but the lower and lower angle parts of the body part 4 of the sofa block 1 3D) is a cross-sectional surface mounting step so that the rear surface of the two neighboring sofa blocks (1) of the lower end just across the top of the horizontal angle portion (2) facing each other;
The method according to claim 9,
When lifting the sofa block 1, the connection portion between the rear 3UR and the body portion 4 of the proximal portion 3U of the upper leg portion 3 and the lower portion 51 and the lower portion of the proximal portion of the front protrusion angle portion 5 is lowered. A method for constructing offshore structures that winds up lifting wires around a connecting portion of each part (3D).

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