KR101521438B1 - Interlocking block for assembling triangle unit structure and Method for constructing drainage retaining wall to prevent landsliding using the same - Google Patents

Abstract

The present invention is an interlocking block for assembling a triangle unit, which is applied to a seawall, a retaining wall, and the like to reduce damage caused by supernatural disasters such as flood, hurricane, landslide, and the like and a method of constructing a drainage retaining wall using the same to prevent landslide. The interlocking block for assembling a triangle unit includes: a body part, which has a first surface and a second surface opposite to each other and a third surface and a fourth surface opposite to each other between an upper surface thereof and a lower surface thereof; a first coupling protrusion formed on the first surface of the body part; a second coupling protrusion formed on the second surface of the body part; a first coupling groove formed on the second surface of the body part; and a second coupling groove formed on the fourth surface of the body part, wherein the first and second coupling protrusions are positioned corresponding to each other to protrude in each opposite direction, and the first and second coupling grooves are arranged across each other to be concave in the direction of the coupling grooves facing each other.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a triangular unit assembly block and a method of constructing a drainage retaining wall for preventing landslides using the triangle unit assembly block.

The present invention relates to a triangular unit assembly block, and more particularly, to a triangular unit assembly block for preventing damages caused by landslides and a method of constructing a drainage retaining wall for preventing landslides using the same.

In the 21st century, the whole world is suffering from various disasters caused by unpredictable climate change (many damage to property and loss of property are seen), especially floods, landslides, and landslide damage are increasing.

A landslide is a catastrophic disaster that is caused by the collapse of a massive scale of debris that flows downward like a waterfall, and the degree of damage is so great that it is impossible to recover it, and thorough preparation is required to prevent or reduce the damage.

In addition, the facilities for preventing landslides should have both a smooth drainage function and high durability to withstand several hundred tons of earth pressure.

However, there is no technology or method that satisfies the above conditions yet.

A prefabricated rescue block of Korean Priority No. 10-2012-0049106 (published on May 16, 2012), which is a recent prior art related to the present invention, has a structure in which a frame block is fitted into a connecting block groove portion in a lattice form, Anchor holes are formed in the center of the block so that reinforcing anchors are buried vertically to improve fixing force at the slope.

The above-mentioned conventional block is a revetment block for protecting a sloped surface, in which a block is laid flat on the sloped surface, which is a structure that can not be used in a place where the cutoff and earth pressure act largely, The device is not installed.

In addition, a block device for an axial block and a retaining wall, which can easily adjust the angle of the Korean Utility Model Registration No. 20-0255686 (registered on November 13, 2001), is a technology related to a block device for easily adjusting an angle when a retaining wall is built, There is a problem in that it is not possible to perform drainage processing.

Korea Pub. No. 10-2012-0049106 (Publication date: May 16, 2012) Korea Utility Model Registration No. 20-0255686 (Registered on November 15, 2001)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a large- A first and a second fastening protrusions arranged corresponding to side surfaces facing each other, and first and second fastening protrusions arranged to be staggered on opposite sides, A triangular unit assembly block providing a single function block with a combined function of a frame block function and a connection block function capable of safely and easily combining a triangular unit assembly in a double direction, And to provide a method of constructing a drainage retaining wall for preventing landslide using the same.

It is a further object of the present invention to provide a method and a device for manufacturing an automobile which can be easily operated even if the two concave portions are symmetrically formed, The present invention provides a triangular unit assembly block which is excellent in safety and economics suitable for constructing a semi-permanent structure such as a landslide-resistant retaining wall as an earthquake-proof assembly because the bending moment is not generated due to less influence and structurally, and a method of constructing a drainage retaining wall for preventing landslide.

According to an aspect of the present invention,

A body portion including first and second side surfaces facing each other and third and fourth side surfaces facing each other between an upper surface and a lower surface;

A first fastening protrusion formed on a first side surface of the body portion;

A second fastening protrusion formed on a second side surface of the body portion;

A first fastening groove formed on a third side surface of the body portion; And,

And a second fastening groove formed on a fourth side surface of the body portion,

Wherein the first and second fastening protrusions are disposed so as to correspond to each other and protrude in mutually opposite directions,

The first and second fastening grooves are arranged to be offset from each other and are concave in directions facing each other.

It is preferable that the area of the first side surface of the body portion is the same as the area of the second side surface of the body portion and is larger or smaller than the area of the third side surface or the fourth side surface of the body portion.

The first and second fastening protrusions are formed on both sides of the lower surface of the body portion on both sides and a hemispherical projection line protruding in a direction perpendicular to the third side surface or the fourth side surface of the body portion is formed desirable.

In addition, the first and second fastening grooves are formed along the lower surface of the upper surface of the body with both inner side surfaces, and a hemispherical groove line is formed in a direction perpendicular to the first side surface or the second side surface of the body portion. .

Further, the area of the first and second fastening grooves is larger than the area of the first and second fastening projections

It is also preferable that the first and second fastening protrusions are fastened to the first fastening groove or the second fastening groove of the adjacent assembly block.

Also, at least one of the upper surface and the lower surface of the body portion is formed with a plurality of convex portions arranged at regular intervals

It is preferable that a plurality of convex portions are formed on the upper surface of the body portion, the upper and lower surfaces of the body portion are flat, and the side surface of the convex portion is an inclined surface.

It is preferable that the first and second fastening grooves are disposed between the adjacent convex portions.

According to another aspect of the present invention, there is provided a method of constructing a drainage retaining wall for preventing landslide using a triangular unit assembly block,

A method for constructing a landslide preventing drainage retaining wall using a triangular unit assembly block including first and second fastening projections arranged corresponding to sides facing each other and first and second fastening grooves staggered with respect to each other,

The first fastening protrusion of the first assembly block is inserted into the first fastening groove of the second assembly block and the second fastening protrusion of the second assembly block is inserted into the first fastening groove of the third assembly block, Inserting the first fastening protrusion of the third assembly block into the second fastening groove of the first assembly block to form a triangular unit assembly;

Connecting the at least two triangular unit assembly blocks horizontally to form a horizontal assembly; And,

And stacking the at least two horizontal assembly blocks in a vertical direction to form a structure, wherein adjacent triangular unit assembly blocks are offset from each other.

According to the present invention, since the triangular unit assembly block provides a multi-functional single block having both a frame block function and a connection block function capable of safely and easily assembling the triangular unit assembly in a double direction, a transverse direction and a vertical direction, It is easy to work even if it is not a skilled worker when constructing a retaining wall. Because it does not have to do a foundation work separately, it does not have a bending moment due to the structural influences. Therefore, Which is excellent in safety and economical efficiency.

Further, since the present invention is a triangular unit assembly, a bending moment is not generated, and an earthquake-proof retaining wall can be easily and easily assembled.

Next, the present invention can be used for various purposes such as a breakwater, a retaining wall, and a shore, by adjusting the size of blocks in accordance with the site conditions.

Next, since the present invention does not require additional foundation work, it is possible to construct the structure firmly even in mountainous areas and soft grounds.

In addition, since the present invention does not perform concrete pouring work in the field, it is easy to work in water or in water.

Next, the present invention has the effect of shortening the air because the finished product is used.

Next, the present invention is advantageous in that the assembling work is simple, and it is easy to open and repair.

1 is a perspective view showing a triangular unit assembly block according to the present invention.
2 and 3 are views showing protrusions and a large drainage space of an assembly block according to the present invention.
4 is a top plan view of a triangular unit assembly using an assembly block according to the present invention.
5 is a view showing a retaining wall and a shore block using an assembly block according to the present invention
6 is a flowchart illustrating a method of constructing a landslide prevention drainage retaining wall using the triangular unit assembly block according to the present invention.

The terms and words used in the present specification and claims should not be construed to be limited to ordinary or dictionary meanings, but the inventor may appropriately define the concept of the term to describe its invention in the best way Can be interpreted as meaning and concept consistent with the technical idea of the present invention.

It should be noted that the embodiments described in this specification and the configurations shown in the drawings are merely preferred embodiments of the present invention and do not represent all the technical ideas of the present invention, It should be understood that various equivalents and modifications may be present.

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

1 is a perspective view showing a triangular unit assembly block according to the present invention.

As shown in Fig. 1, the triangular unit assembly block 1 includes first and second side surfaces 11 and 12 facing each other between an upper surface 15 and a lower surface 16, A first fastening protrusion 21 formed on the first side 11 of the body 10 and a second fastening protrusion 21 formed on the first side 11 of the body 10, A first fastening protrusion 22 formed on the second side surface 12 of the body part 10 and a first fastening groove 31 formed on the third side surface 14 of the body part 10, And a second fastening groove 32 formed in the fourth side 14.

The first and second fastening protrusions 21 and 22 are arranged so as to correspond to each other and protrude in opposite directions to each other. The first and second fastening grooves 31 and 32 are arranged so as to be offset from each other, Direction.

At this time, the first fastening groove 31 may be disposed adjacent to the first fastening protrusion 21, and the second fastening groove 32 may be disposed adjacent to the second fastening protrusion 22.

The first and second fastening protrusions 21 and 22 can be inserted into the first fastening groove or the second fastening groove of another adjacent assembly block 1 and fastened.

The first and second fastening protrusions 31 and 32 can be fastened by inserting the first fastening protrusion or the second fastening protrusion of another adjacent assembly block 1. [

The area of the first side face 11 of the body portion 10 where the first fastening protrusion 21 is formed is larger than the area of the second side face 12 of the body portion 10 where the second fastening protrusion 22 is formed, May be the same as the area of the area.

The area of the first side 11 of the body 10 where the first fastening protrusion 21 is formed is smaller than the area of the third side 13 of the body 10 where the first fastening groove 31 is formed, Or may be different from the area of the fourth side 14 of the body portion 10 where the second fastening groove 32 is formed.

Here, the area of the first side 11 of the body 10 may be smaller than the area of the third side 13 or the fourth side 14 of the body 10.

The reason for this is that the assembly block 1 is formed in a straight shape so that the triangular unit assembly block can be easily assembled.

Therefore, when the external force due to the external impact is applied to the assembly, the triangular unit assembly block does not easily deform or collapse by dispersing the external force.

The first fastening protrusion 21 has first and second projecting lines 21a and 21b formed on both sides thereof and the second fastening protrusion 22 has third and fourth projecting lines 22a, 22b may be formed.

The first and second projection lines 21a and 21b or the third and fourth projection lines 22a and 22b are formed along the lower surface 16 from the upper surface 15 of the body portion 10, And may protrude in a direction perpendicular to the third side surface 13 or the fourth side surface 14 of the portion 10.

At this time, the first and second projection lines 21a and 21b or the third and fourth projection lines 22a and 22b may have a hemispherical cross section, but the present invention is not limited thereto and various shapes can be manufactured Do.

The first engaging groove 31 is formed with first and second groove lines 31a and 31b recessed in both inner side surfaces and the second engaging groove 32 is formed with third and fourth grooves 31, Lines 32a and 32b may be formed.

The first and second groove lines 31a and 31b or the third and fourth groove lines 32a and 32b are formed along the lower surface 16 from the upper surface 15 of the body portion 10, And can be concave in a direction perpendicular to the first side 11 or the second side 12 of the portion 10.

At this time, the first and second groove lines 31a and 31b or the third and fourth groove lines 32a and 32b may have a hemispherical cross section, but the present invention is not limited thereto and various shapes can be manufactured Do.

For example, the sectional shapes of the first and second groove lines 31a and 31b or the third and fourth groove lines 32a and 32b may be the same as those of the first and second projection lines 21a and 21b, 4 protrusion lines 22a, 22b.

The reason is that the first and second groove lines 31a and 31b or the third and fourth groove lines 32a and 32b and the first and second projection lines 21a and 21b, So that the lines 22a and 22b can easily be fastened to each other.

As described above, the first and second fastening grooves 31 and 32 are formed with concave groove lines on both inner side surfaces, respectively. The first and second fastening protrusions 21 and 22 are provided with projecting lines projecting on both sides The coupling force between the assembly blocks can be improved, and the coupling force can be greatly enhanced even in the triangular unit assembly.

The area of the first and second engagement grooves 31 and 32 may be larger than the area of the first and second fastening protrusions 21 and 22.

The reason for this is to facilitate the fastening of the first and second fastening protrusions 31 and 32 and the first and second fastening protrusions 21 and 22.

If the areas of the first and second fastening grooves 31 and 32 are smaller than or equal to the areas of the first and second fastening protrusions 21 and 22, 32 and the first and second fastening protrusions 21, 22 may be difficult to tighten.

Therefore, the first and second fastening protrusions 21 and 22 can be easily fastened to the first fastening groove or the second fastening groove of the adjacent assembly block 1.

A plurality of convex portions 40 may be formed on the upper surface 15 of the body portion 10.

Here, the plurality of convex portions 40 may be arranged at regular intervals.

The reason for this is that the assembly blocks 1 stacked on each other can have a water dripping passage by forming a certain space by the convex portions 40 so that the water quickly flows between the assembly blocks 1 stacked on each other It is for the purpose of leaving.

However, depending on the other case, the plurality of convex portions 40 may be arranged at different intervals.

The distance between the convex portions 40 located in the central region of the upper surface 15 of the body portion 10 may be narrower than the distance between the convex portions 40 located in the edge region have.

The reason for this is that the assembly blocks 1 stacked one on top of the other are formed with a certain space by the convex portions 40 so that they can have water dropout passages, So that more water can fall into the area.

The interval between the convex portions 40 located in the central region of the upper surface 15 of the body portion 10 is larger than the interval between the convex portions 40 located in the edge region It is possible.

The reason for this is that the assembly blocks 1 laminated to each other can have a water drop passage by having a certain clearance by the convex portion 40, So that more water can fall into the area.

A plurality of convex portions 40 are formed on the upper surface 15 of the body portion 10. The lower surface 16 of the body portion 10 is a flat plane without the convex portions 40. [

As another example, a plurality of convex portions 40 are formed on the upper surface 15 of the body portion 10 and the lower surface 16 of the body portion 10 is flat.

Here, the flat bottom surface 16 of the body portion 10 may be in contact with the convex portions 40 formed on the upper surface 15 of the body portion 10.

The upper surface of the convex portion 40 may be flat and the side surface of the convex portion 40 may be an inclined surface.

Here, the angle between the side surface of the convex portion 40 and the upper surface 15 of the body portion 10 may be an obtuse angle.

However, in some cases, the angle between the side surface of the convex portion 40 and the upper surface 15 of the body portion 10 may be a right angle.

Next, first and second fastening grooves 31 and 32 may be disposed between adjacent convex portions 40.

That is, the plurality of convex portions 40 and the first and second coupling grooves 31 and 32 may be staggered from each other.

The reason for this is to secure a space in which the convex portion 40 can be formed on the upper surface 15 of the body portion 10.

As described above, the present invention provides a multi-function single block having a frame block function and a connection block function that can safely and easily assemble a triangular unit assembly in a double row, transverse, and vertical directions. Therefore, It is easy to work even if it is not an artisan, and because it does not have to do the foundation construction separately, it is less affected by the season and does not generate bending moment structurally, so it is suitable for the construction of semi-permanent structure such as retaining wall for preventing landslide, And economical efficiency.

2 and 3 are views showing protrusions and a large drainage space of an assembly block according to the present invention.

2 and 3, the triangular unit assembly block 1 includes a first fastening protrusion 21 formed on the first side surface of the body portion 10 and a second fastening protrusion 21 formed on the second side surface of the body portion 10, The first fastening protrusion 22 formed on the first side surface of the body 10 and the second fastening protrusion 22 formed on the second side surface of the body portion 10, 32).

The first and second fastening protrusions 21 and 22 are arranged so as to correspond to each other and protrude in opposite directions to each other. The first and second fastening grooves 31 and 32 are arranged so as to be offset from each other, Direction.

At this time, the first fastening groove 31 may be disposed adjacent to the first fastening protrusion 21, and the second fastening groove 32 may be disposed adjacent to the second fastening protrusion 22.

The first fastening protrusion 21 has first and second projecting lines 21a and 21b formed on both sides thereof and the second fastening protrusion 22 has third and fourth projecting lines 22a, 22b may be formed.

At this time, the first and second projection lines 21a and 21b or the third and fourth projection lines 22a and 22b may have a hemispherical cross section, but the present invention is not limited thereto and various shapes can be manufactured Do.

The first engaging groove 31 is formed with first and second groove lines 31a and 31b recessed in both inner side surfaces and the second engaging groove 32 is formed with third and fourth grooves 31, Lines 32a and 32b may be formed.

At this time, the first and second groove lines 31a and 31b or the third and fourth groove lines 32a and 32b may have a hemispherical cross section, but the present invention is not limited thereto and various shapes can be manufactured Do.

Next, a plurality of convex portions 40 may be formed on the upper surface of the body portion 10.

Here, the upper surface 41 of the convex portion 40 is a flat plane, and the side surface 42 of the convex portion 40 may be an inclined surface.

Here, the angle between the side surface 42 of the convex portion 40 and the upper surface of the body portion 10 may be an obtuse angle.

In some cases, however, the angle between the side surface 42 of the convex portion 40 and the upper surface of the body portion 10 may be a right angle.

2, the convex portion 40 according to the first embodiment of the present invention has a plurality of convex portions 40 formed on the upper surface of the body portion 10, , Without the convex portion 40, is a flat plane.

The plurality of convex portions 40 may be arranged at regular intervals.

The reason for this is that the assembly blocks 1 stacked on each other can have a water dripping passage by forming a certain space by the convex portions 40 so that the water quickly flows between the assembly blocks 1 stacked on each other It is for the purpose of leaving.

However, as the case may be, the plurality of convex portions 40 may be arranged at different intervals.

For example, the interval between the convex portions 40 located in the center region of the upper surface of the body portion may be narrower than the interval between the convex portions 40 located in the edge region.

The reason for this is that the assembly blocks 1 stacked on each other can have a water dripping passage due to the space formed by the convex portions 40, This is to make more water fall.

4 is a top plan view of a triangular unit assembly using an assembly block according to the present invention.

4, the first fastening protrusion of the first assembly block 1 is inserted into the first fastening groove of the third assembly block 3, and the second fastening protrusion of the second assembly block 3 is inserted into the first fastening groove of the third assembly block 3, Is inserted into the first fastening groove of the second assembly block 2 and the first fastening protrusion of the second assembly block 2 is inserted into the second fastening groove of the first assembly block 1, The assembly 100 can be formed.

Here, at the center of the triangular unit assembly 100, a unit space in which a large amount of water is rapidly drained is formed.

And, as shown in FIG. 4, the horizontal assembly 200 may be formed by connecting at least two triangular unit assemblies 100 in a horizontal direction.

For example, the first fastening protrusion of the first assembly block 1 is inserted into the first fastening groove of the second assembly block 2, and the second fastening protrusion of the first assembly block 1 is inserted into the first fastening protrusion of the second assembly block 2, Can be inserted into the second fastening groove of the block (3).

The first fastening protrusion of the fourth assembly block 4 is inserted into the first fastening groove of the first assembly block 1 and the second fastening protrusion of the fifth assembly block 1 is inserted into the second fastening groove of the first assembly block 1. [ The second fastening protrusion of the assembly block 5 can be inserted.

In this manner, the horizontal assembly 200 has six unit-spaces 50 of each triangular unit assembly, and a hexagonal space 60 is formed at the center of the horizontal assembly 200.

The structure 300 may then be formed by stacking at least two horizontal assemblies 200 in a vertical direction.

In this case, a plurality of horizontal assemblies 200 are further extended in the horizontal direction, and they are stacked in a vertical direction to connect them again, so that a landslide-preventing drainage retaining wall can be constructed.

That is, a plurality of horizontal assemblies 200 having six triangular unit-unit spaces 50 and one central hexagon-shaped unit space 60 may be connected in the horizontal direction and the vertical direction.

Here, when at least two horizontal assemblies 200 are stacked in the vertical direction, the triangular unit assemblies 100 adjacent to each other can be stacked on each other.

The reason for this is that, by laminating the adjacent triangular unit assemblies 100 mutually adjacent to each other, there is an advantage that the fastening force between the assembly blocks 1 is large, so that even if an impact is applied in the horizontal direction, it can withstand.

In addition, the structure 300 in which the triangular unit assemblies 100 are stacked alternately has a structure in which an external force is resiliently applied even when an external impact is generated, shrinkage, uneven settlement or the like occurs between the assembly blocks It can not be easily deformed or collapsed.

When an external force such as a tidal wave, a storm, or an earthquake is applied to the structure by the supernatural disaster, the assembly blocks of the present invention can elastically disperse the external force. Therefore, Damage can be reduced to a minimum.

6 is a flowchart illustrating a method of constructing a landslide prevention drainage retaining wall using the triangular unit assembly block according to the present invention.

6, first, the first fastening protrusion of the first assembly block is inserted into the first fastening groove of the second assembly block, and the second fastening protrusion of the second assembly block is inserted into the first fastening protrusion of the third assembly block And the first fastening protrusion of the third assembly block is inserted into the second fastening groove of the first assembly block to form a triangular unit assembly.

Then, at least two triangular unit assemblies are horizontally connected to form a horizontal assembly (S13)

Next, at least two horizontal assemblies may be stacked in a vertical direction to form a structure. (S15)

Here, when stacking the at least two horizontal assemblies in the vertical direction, the adjacent triangular unit assemblies can be laminated to be offset from each other.

As described above, the present invention is a multi-functional single block having both a frame block function and a connection block function that can safely and easily assemble a triangular unit assembly in a double row, transverse, and vertical directions. Therefore, It is easy to work even if it is not a skilled worker, and because it does not need foundation work, it is less affected by the season and does not generate bending moment structurally, so it is suitable for construction of semi-permanent structure such as anti-earthquake landslide prevention retaining wall. .

In addition, since the present invention is a triangular unit assembly, a bending moment is not generated, so that an earthquake-proof structure can be easily assembled and assembled, and the size of a block can be adjusted according to the conditions of a site to provide various applications such as a breakwater, And it is possible to construct the structure firmly in the mountainous area and the soft ground since the foundation work is not required separately.

In addition, since the present invention does not perform concrete pouring work in the field, it is easy to work in water and water, and since the finished product is used, air can be shortened, the assembling work is easy, It is effective.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

10: body part 21: first fastening projection
21a, 21b: first projection line 22: second fastening projection
22a, 22b: second projection line 31: first fastening groove
31a, 31b: first groove line 32: second fastening groove
32a, 32b: second groove line 40: convex portion
45: recess 50: triangular shaped unit space
60: large hexagonal large space 100: triangular unit assembly
200: horizontal assembly 300: structure

Claims (10)

The first and second side surfaces facing each other and the third and fourth side surfaces facing each other between the upper surface and the lower surface, wherein the areas of the first and second side surfaces are smaller than the areas of the third and fourth side surfaces A body section having an upper section in a straight shape;
A hemispherical first fastening protrusion formed on a first side surface of the body portion, the hemispherical first fastener protrusion having first and second hemispherical first and second hemispherical protrusions formed on both sides of an upper surface of the body portion;
A hemispherical second fastening protrusion formed on a second side surface of the body portion, the hemispherical second fastener having third and fourth hemispherical protrusion lines formed on both sides of the upper surface of the body portion;
A hemispherical first fastening groove formed on a third side surface of the body portion, the hemispherical first fastening groove having first and second hemispherical first and second groove lines, And,
And hemispherical second fastening grooves formed on a fourth side surface of the body portion, the hemispherical second fastening grooves having hemispherical third and fourth groove lines respectively formed on both inner surfaces along the lower surface from the upper surface of the body portion,
The first and second fastening protrusions are disposed so as to correspond to each other and protrude in mutually opposite directions,
The first and second fastening grooves are arranged to be offset from each other and concave in directions facing each other,
The first, second, third, and fourth convex portions are arranged on the upper surface of the body portion at predetermined intervals in a line from the first side face to the second side face side of the body portion,
The first fastening groove is formed between the first and second convex portions and the first groove line of the first fastening groove is formed between the second and third convex portions,
The second fastening groove is formed between the third and fourth convex portions and the fourth groove line of the second fastening groove is formed between the second and third convex portions,
Wherein the first groove line of the first fastening groove and the fourth groove line of the second fastening groove are arranged to face each other.
delete delete delete delete The triangular unit assembly block according to claim 1, wherein the first and second fastening protrusions are fastened to the first fastening groove or the second fastening groove of the adjacent assembly block.
delete delete delete A body portion having an area of the first side and a side of the second side smaller than that of the third side and a side of the fourth side so that the upper end face has a straight shape; A first hemispherical first fastening protrusion formed on the first side of the body portion with first and second projection lines and hemispherical third and fourth projection lines respectively formed on both sides of the lower surface of the body portion And a hemispherical second fastening protrusion formed on a second side surface of the body portion and having hemispherical first and second groove lines respectively formed on both inner surfaces along a lower surface from an upper surface of the body portion, And a pair of hemispherical third and fourth groove lines formed on both inner surfaces along the lower surface of the body from the upper surface of the body portion, First, second, third, and fourth convex portions arranged on the upper surface of the body portion at predetermined intervals in a line in a direction from the first side surface to the second side surface of the body portion, The groove is formed between the first and second convex portions, the first groove line of the first coupling groove is formed between the second and third convex portions, the second coupling groove is formed between the third and fourth convex portions And a fourth groove line of the second fastening groove is formed between the second and third convex portions and the first groove line of the first fastening groove and the fourth groove line of the second fastening groove face each other, Preparing a second, third assembly block;
The first fastening protrusion of the first assembly block is inserted into the first fastening groove of the second assembly block and the second fastening protrusion of the second assembly block is inserted into the first fastening groove of the third assembly block, Inserting the first fastening protrusion of the assembly block into the second fastening groove of the first assembly block to form a triangular unit assembly;
Connecting at least two triangular unit assemblies in a horizontal direction to form a horizontal assembly; And,
And stacking the at least two horizontal assemblies in a vertical direction to form a structure, wherein the triangular unit assemblies adjacent to each other are stacked so as to be offset from each other.

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