KR20180091590A - Environment-friendly submerged breakwater for preventing coast erosion - Google Patents

Abstract

The present invention relates to an eco-friendly submerged breakwater for preventing coast erosion that can effectively decrease wave energy. The submerged breakwater includes a wall structure (10) having a wall support plate (11) and a vertical wall (12) formed on an upper portion along a center line dividing the wall support plate (11) into two parts, in which a bridge fixing groove (13) is formed between the vertical wall (12) and an end of the wall support plate (12) parallel with the vertical wall; and a bridge structure (20) having a bridge plate (21) and a vertical wall (23) formed on an upper portion along a center line dividing the bridge plate (21) into two parts, in which both ends of the bridge plate (21) are formed with a fixation protrusion (22) at a lower end thereof. The wall structure (10) and the bridge structure (20) are engaged to each other by fitting two fixation protrusions (22) of the bridge structure (20) into bridge fixing grooves (13) formed on two other wall structures (10). The vertical wall (12) of the wall structure (10) is formed to be higher than the vertical wall (23) of the bridge structure (10) in the engaged state.

Description

[0001] The present invention relates to an environmentally friendly submerged breakwater for preventing coastal erosion,

The present invention relates to an eco-friendly coastal erosion preventing submerged article.

In general, coastal areas with relatively deep water are increasingly disturbed by the disturbance of the coastal flow direction caused by coastal facilities such as ports and catchments and coastal erosion due to waved waves.

Recent coastal erosion problems are expected to result from widespread waves and global warming as a continuation of sea level rise.

On the other hand, existing countermeasures to correct coastal currents using breakwaters are not enough to prevent damage to sea level rise, and new alternatives must be sought. Especially, the possibility of coastal erosion is high in sandy coastline, And various facilities such as apartment houses are close to the shoreline, causing disturbance of breaking waves and disconnection of sand movement.

Accordingly, measures should be taken to mitigate the flow of coastal currents and to prevent coastal erosion by attenuating waved waves.

Korean Patent No. 10-1011020 discloses a submerged block for preventing sand loss, the submerged block having a pair of narrow first side surfaces, a first side surface having a larger width than the first side surface, A third side surface corresponding to the bottom surface and corresponding to the first side surface, and a second side surface corresponding to the first side surface, the second side surface, A rectangular plate shaped top plate portion including a corresponding fourth side plate and a pair of side plate portions connecting the bottom plate portion and the top plate portion; A pair of support members extending downward along both edges of the bottom plate; A catching member extending upward along one side edge of the upper plate portion to filter sand in the current flowing from the coast; A blocking member for closing both sides of the body portion; And a filling member filled in the inside of the body portion and including gravel or stones.

However, in the sand block for preventing sand loss, when the sand block is laminated in the height direction, the fixing force of the upper side sub block is not secured and the position is shifted to the wave impact or the posture is distorted, , The effect of attenuation of the wave is deteriorated, and there is a concern that the sand is taken out.

On the other hand, in general, concrete used with cement is used as a material used in a mooring type submerged structure. However, when Portland cement is usually used, there is a problem that the marine environment is contaminated by the calcium oxide which is a strong alkaline component eluted from the cement, and the marine vegetation does not grow for a long time.

Marine concrete can be classified into concrete that is in contact with seawater and concrete that is impregnated in seawater. Concrete structures built under marine environments, such as harbors, bridges, power stations and offshore structures, are exposed to the risk of significant deterioration, such as rebar corrosion, so durability must be considered and high strength It is necessary to apply high performance concrete. In addition, not only the durability performance of concrete by seawater, but also the part that contaminates the marine environment should be considered. That is, in addition to corrosion of the steel by salt in the seawater, the part that can contaminate the marine environment due to detachment and detachment of concrete due to deterioration of durability should be considered.

Common portland cement, which is the main binder of concrete, is contaminated with marine environment due to the dissolution of calcium ion in sea water because its main component is calcium ion, and seriously affects the survival of seaweeds.

Korean Patent No. 10-1011020

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems of the prior art,

It is able to effectively attenuate the wave energy. It has a prefabricated construction and is easy to construct. It is resistant to waviness wave by strengthening the bonding between submerged blocks, and is eco-friendly coastal erosion prevention It is intended to provide submergence.

The present invention also provides an eco-friendly coastal erosion preventing submerged structure capable of providing a harmless fish vegetation space by using a binder for a marine environment-friendly marine concrete having a pH of 8 to 10.

To achieve these and other advantages and in accordance with the purpose of the present invention,

And a vertical wall body 12 formed at an upper portion along a center line dividing the wall supporting plate 11 and the wall supporting plate 11. The vertical wall body 12 and the end portions of the wall supporting plate 12 parallel to the vertical wall body 12 A wall structure 10 having a bridge fixing groove 13 formed therein; And

And a vertical wall body 23 formed at an upper portion along a center line that divides the bridge plate 21 and the bridge plate 21 into two parts and a fixing protrusion 22 is formed at the lower portions of both ends of the bridge plate 21 A bridge structure (20)

The wall structure 10 and the bridge structure 20 are joined by inserting the two fixing projections 22 of the bridge structure 20 into the bridge fixing grooves 13 formed in the two different wall structures 10 , Wherein the vertical wall 12 of the wall structure 10 in the engaged state is formed to be higher than the vertical wall 23 of the bridge structure 10.

In the above, the submerge may be used as " anion drug ".

Wherein the subbing block comprises, relative to the total weight of the composition, (a) from 10 to 40% by weight of a modified smelting slag mixture; (b) 20 to 50% by weight of blast furnace slag; (c) 10 to 30% by weight of fly ash generated in the fluidized bed boiler; (d) 5 to 10% by weight of anhydrous gum; and (e) 1 to 5% by weight of a coagulation retarding agent, wherein (a) the modified smelting slag mixture comprises 70 to 90% by weight of molten slag produced by a process of melting and cooling slag generated in a steel smelting process, And 10 to 30% by weight of water (CaSO ₄ · 2H ₂ O).

The eco-friendly coastal erosion preventing submerger according to the present invention can effectively attenuate the wave energy, has a prefabricated structure, is easy to construct, and has a strong resistance to waviness waves due to strengthened bonding between submerged blocks. . In addition, since it can naturally be formed as a habitat of fish, a desirable effect can be expected from the environmental aspect and the economic aspect.

Also, the eco-friendly latent potential of the present invention is composed of latent blocks prepared using a binder for a marine environment-friendly marine concrete having a pH ranging from 8 to 10, thereby not polluting the marine environment and providing a good habitat for marine life .

1 is a perspective view showing an example of a wall structure and a bridge structure constituting a submerged block included in the submerged structure of the present invention.
2 is a perspective view showing an example of a submerged block included in the submerged membrane of the present invention.
3 is a perspective view showing an embodiment of a submerged structure of the present invention and a method of installing a submerged block.
4 is a side view of a wall structure of a submerged block included in the submerged structure of the present invention.
5 is a perspective view illustrating an example of a wall structure of a submerged block included in the submerged structure of the present invention.
Figure 6 is a cross-sectional view of the wall structure of Figure 6;
7 is a perspective view illustrating an example of a bridge structure of a submerged block included in the submerged structure of the present invention.
8 is a plan view showing an example of a bridge structure of a submerged block included in the submerged structure of the present invention.
9 to 11 are perspective views showing an embodiment of a submerged structure of the present invention and an installation method of a submerged block.
FIG. 12 is a result of physical property test on a binder composition for a marine environment-friendly marine concrete used in the preparation of the submerged block of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would unnecessarily obscure the gist of the present invention.

The following description and drawings illustrate specific embodiments in order that those skilled in the art can readily implement the described apparatus and method. Other embodiments may include other variations, both structurally and logically. Unless explicitly required, individual components and functions may be selected generally, and the order of the processes may vary. Portions and features of some embodiments may be included in other embodiments or may be replaced by other embodiments.

The coastal erosion preventing submerged breaker of the present invention comprises a wall supporting plate 11 and a vertical wall body 12 formed as an upper part along a center line dividing the wall supporting plate 11 into two, as shown in Figs. 1 to 4 , A wall structure (10) having a bridge fixing groove (13) formed between the vertical wall (12) and an end of a wall supporting plate (12) parallel thereto; And

And a vertical wall body 23 formed at an upper portion along a center line that divides the bridge plate 21 and the bridge plate 21 into two parts and a fixing protrusion 22 is formed at the lower portions of both ends of the bridge plate 21 A bridge structure (20)

The wall structure 10 and the bridge structure 20 are joined by inserting the two fixing projections 22 of the bridge structure 20 into the bridge fixing grooves 13 formed in the two different wall structures 10 Characterized in that the vertical wall body (12) of the wall structure (10) in the engaged state comprises a submerged block which is formed higher than the vertical wall body (23) of the bridge structure (10).

Wherein the submerged block included in the submerged structure comprises a bridge fixing groove (13) capable of accommodating both at least two bridge structures (20) and a fixing projection (22) of the bridge structure (20) (10).

For example, the potential of the present invention can be achieved by providing a structure including 20 to 60 sub-block units formed of one bridge structure 20 and two wall structures 10, as shown in Figs. 10 and 11 As shown in FIG.

The wall structure 10 of the submerged block may have a feature in which the wall of the vertical wall 12 and the wall of the bridge fixing groove 13 form one step, as shown in FIG. That is, since the bridge fixing groove 13 is formed to have a width for inserting the bridge fixing protrusion 22, the vertical wall 12 and the bridge fixing groove 13 form one step, Can be adjusted.

At this time, the step may be formed at a height of 1.2 to 1.5 times the step formed by the bridge fixing groove 13 at both ends of the wall structure 10. When the vertical wall 12 is formed as described above, the supporting force of the vertical wall 12 can be reinforced and a sofa function can be expected.

As shown in FIG. 5, the wall structure 10 of the submerged block has a shape 15 in which one edge of the bridge fixing groove 13 on the upper end of the vertical wall 12 is removed in a triangular prism shape . As shown in FIGS. 10 and 11, when the wall structure installed on the front side collides with the current, the shock due to the current flow is reduced, and the fixed position of the latent block is changed Thereby providing an effect of preventing the occurrence of the problem.

In addition, the wall structure 10 of the submerged block may further include a current passage hole 16 through which the current can pass through the vertical wall 12, as shown in FIG. The current passage is provided so that the current flows smoothly.

Further, when the latent block is installed as shown in FIGS. 9 to 11, the fixing means 17 for connecting and fixing the adjacent wall structure 10 to the vertical wall 12 . The shape of the fixing means 17 is not particularly limited, and the shape of the fixing means 17 is not limited as long as it can be fixed in connection with other wall structures 10. Specifically, the wall structure 10 of the submerged block has fixing means 17 for fixing the wall structure 10 arranged side by side to the side edge of the vertical wall 12 on the side of the bridge fixing groove 13 side .

As shown in Figs. 7 and 8, at the upper end of the vertical wall body 23 of the bridge structure 20 of the submerged block included in the submerged structure of the present invention, Two horizontal protrusions 25 may be further formed. The horizontal protrusion 25 may be formed to have a length of 10 cm to 50 cm. When the horizontal protrusion 25 is formed and the submerged block of the present invention is installed as shown in FIG. 11, It is possible to perform a function to effectively block the user.

A load supporting portion 24 may be further provided between the fixing projections 22 at the lower end of the bridge plate 21 of the bridge structure 20 of the submerged block. The load support 24 facilitates the manufacture by providing a load during the manufacture of the bridge structure 20.

 As shown in Fig. 8, grooves 26 of a " C " character shape are formed on the side surfaces of both sides of the bridge plate 21 of the bridge structure 20 of the submerged block, A total of four can be formed.

In the case where the bridge structure 20 has the grooves 26 in the shape of a letter C, as shown in FIG. 9, since the grooves 26 are formed in the center when the submerged block is installed, It is possible to form a passage through which the currents and the snow flows to the lower portion of the wall 23 or the horizontal projection 25 are formed. In addition, a structure favorable to the habitat of marine life can be formed.

Although the shape of the wall supporting plate 11 and the bridge plate 21 of the submerged block included in the submerged block of the present invention is not particularly limited, it is preferable that the wall having the shape of a quadrangular (square pillar) .

As shown in Figs. 10 and 11, the submerged breaker of the present invention comprises: a base submerged layer 30 formed at the bottom of a submerged block; And a sofa block 40 positioned at one or more of front, rear, left, and right of the submerged block. The shape of the sofa block 40 is not particularly limited.

In addition, in the submerged breaker of the present invention, it is possible to increase the fixing force of the submerged block by stacking stones in any one of the front, rear, left, and right sides of the submerged block. In this case, the sofa block can be further placed on the slab layer.

In addition, as shown in FIGS. 10 and 11, the submerged breaker of the present invention further includes a sofa block 40 located on the upper portion of the wall supporting plate 11 of the latent block on which the bridge plate 21 is not engaged .

In the submerged article of the present invention, as the sofa block 40, those known in this field can be used. Also, as shown in Figs. 9 to 11, the gab 50 may be used as a sofa block replacement. As described above, when the gabapod 50 is used as a sofa block, the sofa function can be improved and an environment favorable for habitat of fish can be formed.

In addition, the submerged structure of the present invention may have a structure in which the lower space of the bridge plate 21 shown in Figs. 9 to 11 is filled with a gab. When the gabion is filled as described above, the soap function by the gabion can be exercised and the environment favorable for the fish can be formed.

The submerged structure of the present invention can be formed at a height of 0 to 100 cm lower than the sea level. Preferably 50 cm lower.

The submersible block included in the submerged structure of the present invention

(A) from 10 to 40% by weight of a modified smelting slag mixture; (b) 20 to 50% by weight of blast furnace slag; (c) 10 to 30% by weight of fly ash generated in the fluidized bed boiler; (d) 5 to 10% by weight of anhydrous gum; and (e) 1 to 5% by weight of a coagulation retarding agent, wherein (a) the modified smelting slag mixture comprises 70 to 90% by weight of molten slag produced by a process of melting and cooling slag generated in a steel smelting process, And 10 to 30% by weight of water (CaSO ₄ · 2H ₂ O).

Generally, cement based concrete is used as the material used in the submerged structure. However, when Portland cement is usually used, there is a problem that the marine environment is contaminated by the calcium oxide which is a strong alkaline component eluted from the cement, and the marine vegetation does not grow for a long time.

The marine composition for marine environment friendly marine concrete uses cement as a waste material to reduce the calcium ion leaching of the cement material, minimizes adverse effects on the vegetation of marine algae under the marine environment, Thereby improving the durability performance of the battery.

Also, since the alkali activating agent is not used at all, the pH range is in the range of 8 to 10, which is lower than the pH range of the concrete using common ordinary Portland cement, which is 11 to 13, and does not cause disturbance of marine vegetation due to strong alkali, It is advantageous for the growth of seaweeds and can contribute to the conservation of the marine environment.

The present invention also provides a beneficial effect on environmental protection by reducing the amount of waste resources to be discarded by producing a binder composition using waste resources and significantly reducing the amount of carbon dioxide emissions generated in the production stage of cement.

CLAIMS 1. A marine concrete composition for marine environment,

It is more preferable that the modified smelting slag mixture (a) contains 75 to 85% by weight of molten slag and 15 to 25% by weight of anisotrope (CaSO ₄ .2H ₂ O).

It is preferable that the molten slag is cooled by a rapid cooling process. The quenching is preferably carried out by a process in which the slag is melted and cooled to 60 ° C or lower within 10 to 30 minutes.

The molten slag produced by the quenching provides a more favorable effect in terms of promoting the hydration reaction of the blast furnace slag.

In the modified smelting slag mixture (a), when the weight of the molten slag is less than 70% by weight and the content of the crucible is more than 30% by weight, the curing rate of the initial binder is retarded, If the weight of the molten slag exceeds 90% by weight and the content of the high-grade slag is less than 10% by weight, the reformed smelting slag mixture is hardly mixed at the initial stage of hydration and becomes difficult to mix, A problem that a shape can not be formed occurs.

Preferably, the molten slag is pulverized so that the average powderedness is not less than 4,000 g / cm ^2, and the pulverized slurry is pulverized to have an average high-degree average powderity of not less than 4,000 g / cm ² .

If the average powdery degree of the molten slag and the passenger compartment is less than 4,000 g / cm < ² >, the initial hydration accelerating reaction is delayed and the desired compressive strength is not exhibited.

In the present invention, the modified smelting slag mixture (a) may be contained in an amount of 10 to 40% by weight. (a) When the reformed smelting slag mixture is contained in an amount of less than 10% by weight, the hydration reaction of the blast furnace slag can not be promoted and the development of the initial compressive strength is delayed. In the case where it exceeds 40% by weight, It is difficult to mix mortar or concrete due to hydration reaction.

The marine environmentally friendly marine concrete binder composition of the present invention is characterized in that 25 to 70 parts by weight, preferably 35 to 65 parts by weight of sea water are mixed and used based on 100 parts by weight of solid content. The seawater exhibits high initial strength and long-term strength of the binder composition, lowers hydration heat, increases chemical resistance, increases freeze-thaw resistance, improves fire resistance, and reduces inelastic deformation. It also improves the environment friendliness and salt resistance of the binder composition in marine environmental conditions.

That is, although the binder composition for marine environment-friendly marine concrete of the present invention can be mixed and used by using fresh water, it provides more excellent effects in various aspects such as compressive strength of concrete when mixed with seawater.

In order to produce the known ordinary Portland cement, calcination is required at 1,450 degrees Celsius, so that when producing 100 kg of known ordinary Portland cement, carbon dioxide emissions amount to 90 to 95 kg. However, in the case of producing 100 kg of the binder of the present invention, since the carbon dioxide emission amount is in the range of 20 to 40 kg, the present invention is characterized by remarkably reducing the carbon dioxide emission amount.

The blast furnace slag (b) uses 20 to 50% by weight of slag generated in an iron-making blast furnace having an average degree of powder of 4,000 g / cm ² or more. If the amount of the blast furnace slag is less than 20% by weight, It is difficult to exhibit sufficient compressive strength in a long-term curing time of 28 days or more. When the amount of the binder is more than 50% by weight, the initial curing speed of the binder is delayed and the initial curing time becomes long. More preferably 30 to 40% by weight.

By using the components (a) and (b) in the binder composition for a marine environment-friendly marine concrete of the present invention, it is possible to obtain a marine concrete composition having a strength of about 40 to 70 wt% The amount of carbon dioxide emission can be reduced.

The fly ash generated in the fluidized-bed-type boiler (c) may be a cement substitute material, and may be contained in an amount of 10 to 30% by weight. The fly ash generated in the fluidized bed boiler is characterized by containing calcium oxide in an amount of 30 to 50 wt%. The fluidized bed boiler fly ash containing 30 to 50% by weight of calcium oxide used in the present invention has a role of promoting the initial hydration reaction of the reformed smelting slag and blast furnace slag of the present invention by the amount of calcium oxide contained therein In addition, it provides advantages such as improvement of fluidity, long-term strength improvement, reduction of hydration heat, inhibition of alkali aggregate reaction, resistance to sulfate, and improvement of watertightness of concrete, which is characteristic of fly ash, This is very helpful for cost reduction.

When the fly ash is included in the above range, workability is improved, curing heat is lowered, and long-term strength and water tightness are improved.

The above (d) anhydrous manganese (Na ₂ SO ₄ ) reacts with the reforming smelting slag to promote the initial hydration reaction of the marine concrete. The anhydrous ganoderma can provide an effect of enhancing the function of the marine vegetation by the sodium ion.

It is preferable that the anhydride is free from heavy metal ions.

If the amount of the anhydrous gypsum is less than 5% by weight, the initial hydration of the blast furnace slag may not be accelerated. If the amount of the anhydrous gypsum is more than 10% by weight, A drawback that causes the phenomenon may occur.

The above-mentioned (e) coagulation retarder is added because the mixing of materials may be difficult due to a rapid hydration reaction, and may not be added when there is no possibility of such a problem occurring. As the coagulation retarder, components known in the art such as citric acid and the like can be used. The dispersing agent is preferably contained in an amount of 1 to 5% by weight.

Hereinafter, the present invention will be described in more detail by way of examples. However, the following examples are intended to further illustrate the present invention, and the scope of the present invention is not limited by the following examples. The following examples can be appropriately modified and changed by those skilled in the art within the scope of the present invention.

Manufacturing example  1 ~ 3: Reforming smelting Slag  Preparation of mixtures

Table 1 and the composition of to, rotating the average fineness of the smelting and slag powder ground to a high yisuseok average fineness to 4,000g / cm ² above the ground to 4,000g / cm ² or more at 60 times / min, such as At a rate of 30 minutes to prepare a modified smelting slag mixture. In the above, the smelting molten slag was produced by melting the slag generated in the steel smelting process and then quenching it for 3 to 5 minutes by bringing it into contact with cold air.

Production Example 1 Production Example 2 Production Example 3 Crushed smelting slag 75 80 85 Lee Soo Seok 25 20 15 total 100 100 100

(Unit: wt%)

Example  1 to 6: Pro-marine environmentalism  For marine concrete Binders  Preparation of composition

The modified molten slag mixture of Table 1 and the other components were mixed to have a composition as shown in Table 2 below to prepare a binder composition for marine environment-friendly marine concrete. In Comparative Example 1, ordinary Portland cement was used.

Example Comparative Example One 2 3 4 5 6 One Usually Portland Cement 0 0 0 0 0 0 100 Blast furnace slag 35 30 35 30 35 30 0 Modified smelting slag Production Example 1 Production Example 1 Production Example 2 Production Example 2 Production Example 3 Production Example 3 30 35 30 35 30 35 0 Fly ash 25 25 25 25 25 25 0 Anhydrous mallow 7 10 7 10 7 10 0 Coagulation retardant
(Citric acid) 3 0 3 0 3 0 0 total 100 100 100 100 100 100 100

(Unit: wt%)

Test Example  One: Pro-marine environmentalism  For marine concrete Binders  Evaluation of physical properties of composition

The binder compositions of Examples 1 to 6 and Comparative Example 1 were mixed according to the compositions shown in the following Table 3 to prepare concrete specimens (KS F 2403: specimens for testing compressive strength and flexural strength of concrete were prepared in a test room Curing method), and KS F 2404 (method of curing and curing test specimens for compressive strength and flexural strength of concrete in situ).

The physical properties of the test specimens were evaluated by KS F 2405 (2010) (Compressive Strength Test Method for Concrete), a Korean standard test method.

The test results are shown in Table 4 below.

Binders Fine aggregate Coarse aggregate Admixture Water or sea water Comparative Example (Normal Portland Cement) 366 868 916 Binder * 0.7% 168 Example 1 (water for drinking water) 366 868 916 Binder * 0.7% 168 Example 1 (Seawater) 366 868 916 Binder * 0.7% 168 Example 2 (Water for drinking water) 366 868 916 Binder * 0.7% 168 Example 2 (Seawater) 366 868 916 Binder * 0.7% 168 Example 3 (water for drinking water) 366 868 916 Binder * 0.7% 168 Example 3 (Seawater) 366 868 916 Binder * 0.7% 168 Example 4 (water for drinking water) 366 868 916 Binder * 0.7% 168 Example 4 (Seawater) 366 868 916 Binder * 0.7% 168 Example 5 (tap water) 366 868 916 Binder * 0.7% 168 Example 5 (Seawater) 366 868 916 Binder * 0.7% 168 Example 6 (Water for drinking water) 366 868 916 Binder * 0.7% 168 Example 6 (Seawater) 366 868 916 Binder * 0.7% 168

Example Comparative Example One 2 3 4 5 6 One water sea water water sea water water sea water water sea water water sea water water sea water water Compressive strength
(MPa) 56.2 60.8 52.7 55.3 52.9 55.1 57.1 58.9 56.3 57.1 53.5 55.9 51.7

As can be seen from the above Table 4, the test specimens prepared using the binder compositions for marine environmentally friendly marine concrete of Examples 1 to 6 of the present invention were significantly superior to the test specimens prepared using the general cement of Comparative Example 1 Compressive strength.

Test Example  2: Pro-marine environmentalism  For marine concrete Binders  Evaluation of physical properties of composition (external organ)

In order to secure the reliability of the evaluation, we conducted the physical property evaluation by asking the Korea Institute of Construction & Environment Test, an external certification body. The test was conducted for Comparative Example 1 and Example 1 (using water and seawater), and the test results are shown in Fig.

As can be seen from FIG. 12, in the case of the test specimen prepared using the binder composition for marine environmentally friendly concrete of Example 1 of the present invention, the test specimen prepared using the general cement of Comparative Example 1 exhibited significantly superior compressive strength Performance.

The scope of the present invention is not limited to the embodiments described above, but may be defined by the scope of the claims, and those skilled in the art may make various modifications and alterations within the scope of the claims It is self-evident.

10: wall structure 11: wall support plate
12: vertical wall 13: bridge fixing groove
14: fixing groove 15: vertical wall top removal
16: current passage passage 17: fastening means 1
18: fixing means 2 20: bridge structure
21: bridge plate 22: fixing projection
23: vertical wall 25: horizontal projection
30: foundation stone 40: sofa block

Claims (14)

And a vertical wall body 12 formed at an upper portion along a center line dividing the wall supporting plate 11 and the wall supporting plate 11. The vertical wall body 12 and the end portions of the wall supporting plate 12 parallel to the vertical wall body 12 A wall structure 10 having a bridge fixing groove 13 formed therein; And
And a vertical wall body 23 formed at an upper portion along a center line that divides the bridge plate 21 and the bridge plate 21 into two parts and a fixing protrusion 22 is formed at the lower portions of both ends of the bridge plate 21 A bridge structure (20)
The wall structure 10 and the bridge structure 20 are joined by inserting the two fixing projections 22 of the bridge structure 20 into the bridge fixing grooves 13 formed in the two different wall structures 10 , Wherein the vertical wall (12) of the wall structure (10) in the engaged state is formed higher than the vertical wall (23) of the bridge structure (10). The method according to claim 1,
The submerged structure comprises a number of wall structures (10) comprising bridge fixing grooves (13) capable of accommodating both two or more bridge structures (20) and fixing projections (22) of the bridge structures ≪ tb >< / TABLE > The method according to claim 1,
Wherein the wall structure (10) of the submerged block has one step formed by the wall of the vertical wall (12) and the bridge fixing groove (13). The method of claim 3,
Wherein one edge of the wall structure (10) of the submerged block is removed in the form of a triangular prism on the side of the bridge fixing groove (13) at the upper end of the vertical wall (12). The method according to claim 1,
The wall structure 10 of the submerged block is further provided with fixing means 17 for fixing the wall structure 10 to another wall structure 10 arranged side by side on the side edge of the vertical wall 12 on the side of the bridge fixing groove 13 ≪ tb >< / TABLE > The method according to claim 1,
Wherein two horizontally protruding portions (25) horizontally extended toward fixing protrusions (22) at both ends are further formed on the upper end of the vertical wall body (23) of the bridge structure (20) of the submerged block. The method according to claim 1,
A total of four "U" -like grooves are formed on the both sides of the bridge plate 21 of the bridge structure 20 of the submerged block, one at each of the vertical walls 23, Coastal erosion prevention submerged. The method according to claim 1,
Wherein the wall support plate (11) and the bridge plate (21) of the submerged block have a rectangular shape. The method according to claim 1,
A base stone layer 30 formed under the submerged block; And
Further comprising: a sofa block (40) positioned at one or more of front, rear, left, and right of the submerged block. 10. The method of claim 9,
The submerged structure further comprises a sofa block (40) portion located on an upper portion of the wall supporting plate (11) of the potential block where the bridge plate (21) is not joined. 11. The method according to claim 9 or 10,
Characterized in that the sofa block (40) is a gabion (50). The method according to claim 1,
The latent block
(A) from 10 to 40% by weight of a modified smelting slag mixture; (b) 20 to 50% by weight of blast furnace slag; (c) 10 to 30% by weight of fly ash generated in the fluidized bed boiler; (d) 5 to 10% by weight of anhydrous gum; and (e) 1 to 5% by weight of a coagulation retarding agent, wherein (a) the modified smelting slag mixture comprises 70 to 90% by weight of molten slag produced by a process of melting and cooling slag generated in a steel smelting process, And 10 to 30% by weight of CaSO ₄ .2H ₂ O. 5. The coastal erosion preventing submerged structure according to claim 1, 13. The method of claim 12,
Wherein the step of cooling the molten slag is carried out by a quenching step in which the slag is melted and cooled to 60 DEG C or lower within 10 to 30 minutes. 14. The method of claim 13,
Wherein the binder composition is a mixture of 25 to 70 parts by weight of seawater based on 100 parts by weight of solids of the binder composition.

Images