KR101354694B1 - Ecology block, method for maufacturing the same, and method for consturcting a breast wall - Google Patents

Abstract

Ecological block according to an embodiment of the present invention, the main body having a hollow therein for providing the earth space, the engaging projection protruding in a shape corresponding to the inboard groove and the inboard groove on the surface facing each other of the body; The inboard groove and the engaging protrusion are respectively disposed on the upper and lower portions of the opposite surfaces of the main body, characterized in that at least one drain hole facing each other formed on the opposite surfaces of the main body is formed. . According to this configuration, by using one kind of ecological block, it can be fixed up and down, left and right as well as up and down without separate fixtures, and it is possible to build the retaining wall with various designs, and easily retain moisture by securing the earth space inside the retaining wall. It can be drained and drained, and it can secure small animals, amphibians, or insects by providing a space for movement of animals.

Ecological block, ecological space, drainage hole, male and female unit, jaw, engaging protrusion, internal groove

Description

ECOLOGY BLOCK, METHOD FOR MAUFACTURING THE SAME, AND METHOD FOR CONSTURCTING A BREAST WALL}

The present invention relates to an ecological block and a retaining wall construction method using the same. More specifically, the present invention relates to an ecological block and a retaining wall installed in order to prevent a collapse due to weathering loss or weathering of a river, an embankment, or an incision around a road. It can be used as a sidewalk block to be installed, and relates to an ecological block that can enable the growth of flora and fauna and structural retaining wall using the same.

In general, retaining walls are constructed to prevent damage to slopes along highways or railways, or to prevent soil loss around rivers. In the past, such a retaining wall was mainly constructed using mortar or concrete.

The retaining wall constructed as described above had no problem in harmony with the surrounding landscape or consideration for the growth of animals and plants, and only the stability was excessively stressed.

Recently, with the emphasis on eco-friendliness, retaining wall construction methods are being developed that use as few environmentally-friendly materials as possible, such as cement or reinforced concrete. However, these methods still present many problems.

For example, the method of satisfying the retaining wall by using the retaining wall construction unit such as sandbag or earthen jar, which may have an arbitrary shape, has a limitation in that only small weeds such as grass can grow because no vegetation space is provided. .

In order to solve this problem, the retaining wall construction method that secures vegetation space using cement or reinforced concrete block is not only eco-friendly, but also takes a lot of time to manufacture the block and the same quantity It is disadvantageous for mass production because the mold of must be used, and it causes difficulties in plant growth due to overheating of the retaining wall when exposed to hot sun, and there is a limitation in vegetation of various species due to lack of earth space.

In order to solve this problem, it is difficult to secure the front and rear stability to secure the earth space, so it is necessary to use a separate fixed structure.

The present invention has been made to solve such a problem, the object of the present invention is to prevent plant growth due to excessive overheating by the sun, it is possible to secure a sufficient earth space for the stiffness of the plant, to the rearing soil of the retaining wall It is possible to penetrate the front, rear, left and right of the retaining wall to take root, and also to provide an ecological block and a retaining wall construction method using the same, in which water is retained and drained so that the plant does not die or rot.

In addition, an object of the present invention is to provide a habitat for fish and aquatic organisms, evacuation sites and spawning places during flooding, and to feed and mining aquatic organisms according to the flow of water to build a retreat to protect the ecosystem It is to provide an ecological block and a retaining wall construction method using the same.

In addition, the object of the present invention is to harmonize with the surrounding environment to improve the appearance and at the same time maintain the dimensional ability and restore the natural ecosystem, can be produced in large quantities inexpensively and quickly, can be fixed without a separate fixture The present invention provides an ecological block capable of constructing a retaining wall in various forms and a retaining wall building method using the same.

Ecological block according to an embodiment of the present invention, the main body having a hollow therein for providing the earth space, the engaging projection protruding in a shape corresponding to the inboard groove and the inboard groove on the surface facing each other of the body; It includes, The indentation groove and the engaging projection are respectively disposed on the upper and lower portions of the opposite sides of the body, the at least one drain hole facing each other is formed on the opposite sides of the body,
It is made of a synthetic resin, the indentation groove is formed in the center of the extended portion extending from the upper end of the first surface of the main body, the engaging projection is formed to protrude from the center lower portion of the third surface opposite to the first surface of the main body It is characterized by.

In the retaining wall construction method using the ecological block according to another aspect of the present invention, the engaging protrusion protruding from the inner groove formed in the center lower portion of the second surface of the main body and the center upper portion of the fourth surface opposite to the second surface of the main body. Preparing at least two ecological blocks having a; and forming a foundation concrete floor, coupling the second ecological block to the indentation groove of the first ecological block of the at least two ecological blocks on the base concrete floor Assembling the retaining wall of the first stage by slidingly engaging the protrusion upward; an indentation groove formed in the center of the extension portion formed on the upper end of the first surface of the main body of the first ecological block and a groove formed in the longitudinal direction on the bottom surface of the extension portion; By combining the engaging projection formed on the bottom center of the third surface of the second ecological block and the protrusion of the leg formed on the left and right of the engaging projection upwardly coupled Assembling the wall, and assembling the retaining wall of the second stage to form a stepped retaining wall, and filling and supporting the rear of the stepped retaining wall with filled stones and rearing soil; Finishing the last top of the concrete characterized in that it comprises the step.

In the retaining wall construction method using the ecological block according to another aspect of the present invention, an indentation groove is formed at one end of the first surface of the main body, and the engaging protrusion is formed at the other end of the lower end of the third surface opposite to the first surface of the main body. Preparing at least two types of ecological blocks, a step of forming a foundation concrete floor, and a first ecological block and a second ecological block of the at least two ecological blocks on the foundation concrete floor Alternately arranging the coupling of the upper coupling protrusion and the upper indentation groove and the coupling of the lower indentation groove and the lower coupling protrusion to form a first row in the transverse direction, and repeating the first row for at least two or more; And the at least two or more first rows are arranged by alternately arranging the engagement of the respective upper engaging protrusions and the upper inboard grooves and the engaging of the lower inner recesses and the lower engaging protrusions in the longitudinal direction. Article characterized in that it comprises a step of forming a retaining wall having a first ecology block pair and the second ecological space enclosed by two Eco block pair.

According to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, since the ecological block is injection molded into a synthetic resin, it can provide various colors, can be harmonized with the surrounding landscape, and the front part of the ecological block Various patterns can be expressed in.

In addition, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, since the ecological block is injection molded into a synthetic resin, mass production is possible at low cost, and storage and transportation are easy.

In addition, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, the shape and size can be changed and reused according to the installation purpose or the type of vegetation.

In addition, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, it is possible to achieve perfect assembly of up, down, left and right, front and rear by one-touch assembling only by the ecological block itself without a separate fixture. When the indentation protrusions are combined, the indentation protrusions may be caught on the jaws formed above the indentation grooves, thereby countering the lifting force due to hydraulic pressure or earth pressure, and stability may be secured without a separate fixture.

In addition, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, the shape of the ecological block can be selected according to the vegetation purpose and revetment purpose, and the habitat space of amphibians or insects is established only by the construction of the ecological block. Is formed.

Further, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, in addition to the ecological retaining wall, the horizontal block may be used as a sidewalk block of a bicycle road or an ecological river walk, and used as an ecological sidewalk block. It can be harmonized with concrete sidewalk blocks constructed around the city.

In addition, according to the ecological block and the retaining wall construction method using the same according to an embodiment of the present invention, since the drain holes are formed on the opposite sides of the ecological block can help to recycle the rain water lost during the rainy season, retaining water and drainage It is easy to use, and ecological spaces can be secured by using various ecological spaces or vegetation spaces and amphibians or insects according to plantings by using ecological spaces surrounded by internal spaces and ecological blocks.

Hereinafter, an ecological block and a retaining wall construction method using the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, in adding reference numerals to the components of each drawing, it should be noted that the same components are denoted by the same reference numerals as much as possible, even if displayed on different drawings.

In addition, in the following description, in order to explain the embodiments of the present invention, specific details such as specific elements are illustrated, which are provided to help a more general understanding of the present invention, and the present invention may be practiced without these specific details. It will be apparent to those skilled in the art.

In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a perspective view of an ecological block according to a first embodiment of the present invention, Figure 2 is a plan view of FIG.

The ecological block 100 according to the first embodiment of the present invention is manufactured by injection molding using synthetic resin, and in some cases, may have porosity using an injection molding method such as gas foaming to maintain moisture. , A box-shaped body 110 having a hollow 110a for providing a vegetation or earth space, and a male and female unit 120 on opposite sides 111 and 113 of the body 110, respectively. .

Therefore, the ecological block can be variably selected in shape and size to harmonize with the surrounding landscape according to the purpose of installation or the type of vegetation, can be reused, can be mass-produced at low cost, and is easy to store and transport.

The female and female unit 120 has long coupling protrusions 121 formed in the longitudinal direction at the lower center of the left side 111 when the side surfaces 111 and 113 facing each other, for example, the left and right sides of the main body 110, are formed. It may include a longitudinal groove long in the longitudinal direction on the lower side of the right side 113 opposite to the left side 111.

The indentation groove 123 may have a latching jaw 123a at an upper end thereof to press the coupling protrusion 121 to counter lift force due to earth pressure or water pressure.

As such, by providing the female and female units 120 at the lower centers of the side surfaces 111 and 113 facing each other, one type of ecological block 100 is assembled in the horizontal direction, for example, in the horizontal direction (y-axis direction). One or one row of ecological sidewalk blocks or shore blocks can be formed.

In addition, the female and female units 120 are longitudinally coupled (x-axis directions) to the center of the lower portion of the front surface 112 when the side surfaces 112 and 114 facing each other, for example, the front and rear sides of the main body 110, are long. The protrusion 121 may be formed, and may include an inner groove 123 that is longitudinally elongated at an upper center of the rear surface 114 opposite to the front surface 112.

Thus, the male and female units 120 are provided in the upper and lower portions of the front and rear surfaces 112 and 114 arranged in the direction orthogonal to the pair of side surfaces 111 and 113 facing each other, thereby increasing the height direction (z-axis direction). ), For example, one type of ecological block 100 can be assembled upward to form at least two retaining walls.

In this case, in order to increase the stability of the retaining wall, the ecological block 100 according to the first embodiment of the present invention may further include an auxiliary male and female unit 130.

The auxiliary female and female unit 130 is formed in both directions of the coupling protrusion 121 formed at the lower center of the front surface 112 and has a pair of legs 131 having protrusions 131a and after the main body 110. Extension portion formed with a horizontally long groove 133a extending from an upper end of the side surface 114 and having a corresponding shape so that the protrusions 131a formed on the pair of legs 131 can be slid upwardly. 133 may be included.

Therefore, when connecting the ecological block according to the first embodiment of the present invention at least two stages in the z-axis direction, the other one with respect to the groove 133a of the extension portion 133 of one ecological block 100 When the protrusion 131a of the leg 131 of the ecological block 100 is coupled, the indentation groove 123 formed in the center of the extension part 133 is the front surface of another ecological block 100 ( It may be combined with the coupling protrusion 121 formed in the lower center of the 112.

At this time, when the coupling protrusion 121 is fitted to the upper groove 123 upwards, the coupling protrusion 121 is disposed up and down and left and right about the inner hollow 110a of the main body 110, thereby restraining the movement up and down and left and right. It resists buoyancy due to groundwater or rising pressure of the soil to maintain structural stability.

In addition, the coupling protrusion 121 and the inner groove 123 is composed of a neck (121a, 123a) and the head (121b, 123b), respectively, one ecological block 100 and another ecological block 100 ) Is slid upward, the head portion (121b, 123b) in the front and rear (that is, the x-axis direction or y-axis direction) can not be caught out of the neck (121a, 123a) can be tightly fastened.

That is, according to the ecological block and the retaining wall construction method using the same according to the first embodiment of the present invention, the assembly and stability of the top, bottom, left and right, up and down, left and right by one-touch assembling only the ecological block 100 itself without a separate fixture As a result, the retaining wall can be easily constructed.

In addition, as shown in FIG. 2, at least one drain hole 140 is formed in the left and right side surfaces 111 and 113, the front and rear surfaces 112 and 114, and the bottom surface 115 that face each other of the main body 110. Depending on the type of vegetation can be formed by varying the size and number.

In the ecological block 100 according to the first embodiment of the present invention, the drain holes 140 are formed in communication with each other so as to communicate with each other, so that rain water lost during the rainy season may be recycled and moisture may be easily retained and drained. In addition, it is eco-friendly because it can secure various earth spaces or vegetation spaces and the habitat and movement path of amphibians or insects according to plantings by using ecological space surrounded by hollow and ecological blocks inside.

Referring now to Figures 3a to 3c will be described in detail the retaining wall construction method using the ecological block according to the first embodiment of the present invention.

Figure 3a schematically shows a method of combining the ecological block according to the first embodiment of the present invention in the horizontal direction (y-axis direction of Figure 2), Figure 3b is a height of the ecological block according to the first embodiment of the present invention Direction (x-axis direction in FIG. 1) is schematically shown, Figure 3c schematically shows a retaining wall constructed using the ecological block according to the first embodiment of the present invention.

3A to 3C, the method of constructing the retaining wall using the ecological block 100 according to the first embodiment of the present invention includes at least two ecological blocks 100 according to the first embodiment of the present invention. Depending on the purpose of the installation or the type of vegetation, prepare various patterns and colors to match the surrounding landscape.

Subsequently, the foundation concrete floor 101 is formed, and as shown in FIG. 3A, the second concrete block 100 ′ is formed on the foundation concrete floor 101 with respect to the first ecological block 100 ′ of the at least two ecological blocks 100. The second ecological block 100 " is formed in the recess 123 'formed in the longitudinal direction at the bottom of the center of the right side 113' of the first ecological block 100 'by sliding the ecological block 100 " upwardly. Coupling protrusion 123 ″ long formed in the longitudinal direction at the center of the lower left side 111 ′ of the coupling may be combined to form a single retaining wall 10 that is long in the lateral direction.

Subsequently, as illustrated in FIG. 3B, an indentation groove 123 ′ formed at the center of the extension part 133 ′ formed at an upper end of the rear surface 114 ′ of the main body 110 ′ of the first ecological block 100 ′. ) And a coupling protrusion 121 ″ formed at a center lower portion of the front surface 112 ″ of the second ecological block 100 ″ in the recess 133 a ′ formed in the longitudinal direction at the bottom of the extension part 133 ′ and the At least two stages of retaining walls may be formed in the height direction by slidingly coupling the protrusion 131a ″ of the legs 131 ″ formed on the left and right sides of the coupling protrusion 121 ″.

As shown in FIG. 3C, the at least two-stage retaining wall 10 constructed as described above is stepped like a stairway, and the back surface of the at least two retaining walls 10 may be filled with the filler 102 and the rear soil 103.

The last upper end of the retaining wall 10 is finished with a ceiling of concrete (104) can be maintained stably in front and rear left and right up and down without a separate fixture, the synthetic resin ecological block 100 and the filling stone 102 and the rear soil Natural connection of the 103 can be made.

By filling the earth and sand in the hollow 110a for each stepped ecological block 100, the vegetation roots can communicate well with the rear soil sand through the drainage hole 140 formed on the opposite side of the main body 110. .

In addition, in the retaining wall 10, some of the extension parts 133 ′ and 133 ″ of the parts to which the ecological blocks 100 ′ and 100 ″ are connected may be removed to secure habitats and passages of amphibians or insects. May form an ecological space 150 that may provide shelter in the event of a flood.

4 and 5, the ecological block according to the second embodiment of the present invention will be described in detail.

4 is a perspective view of an ecological block according to a second exemplary embodiment of the present invention, and FIG. 5 is a plan view of FIG. 4.

The ecological block 200 according to the second embodiment of the present invention is manufactured by injection molding using synthetic resin as in the ecological block 100 according to the first embodiment of the present invention. In order to have a porosity using an injection molding method such as gas foaming, the box-shaped body 210 having a hollow 210a for providing a vegetation or earth space, and the body 210 to face each other The male and female units 220 are provided on the side surfaces 211 and 213, respectively.

Therefore, the ecological block can be variably selected in shape and size according to the purpose of installation or the type of vegetation, can be reused, can be mass-produced at low cost, and is easy to store and transport.

The female and female units 220 are formed with longitudinally long indentation grooves 221 formed on one side of the lower side of the left side 211 when referred to as side surfaces 211 and 213 facing each other, for example, left and right sides of the main body 210. On the other side of the upper right side 213 facing the left side 211 may include a coupling protrusion 223 long in the longitudinal direction.

The upper one side and the lower other side are disposed farthest on the diagonal of the main body 210 so that the ecological blocks 200 according to the second embodiment of the present invention are coupled to each other in diagonal directions.

As such, the female block 220 is provided on the lower one side of the side surfaces 211 and 213 facing each other and the upper other side of the diagonal direction furthest from the diagonal direction so that the ecological block 200 is diagonally formed, for example, diagonally. Can be assembled to form a stable row of ecological sidewalk blocks or bank blocks.

In addition, the male and female unit 220, when the side (212, 214), for example, the front and rear sides of the main body 210 facing each other, the longitudinally long indentation groove 221 on the upper side of the front surface 212 It may further include a coupling protrusion 223 long in the longitudinal direction on the other side of the lower rear surface 214 opposite to the front surface 212.

In this way, the front and rear surfaces 212 and 214 arranged in the direction orthogonal to the pair of side surfaces 211 and 213 facing each other are provided with male and female units 220 symmetrically arranged up and down, respectively, so that they are perpendicular to one diagonal direction. By combining the ecological block 200 in a direction to form a flat retaining wall that can restrain movement to the front and rear, right and left or up and down.

Similarly, as shown in FIG. 5, at least one drain hole 240 is formed in the left and right side surfaces 211 and 213, the front and rear surfaces 212 and 214, and the bottom surface 215 of the main body 210 that face each other. Depending on the type of vegetation can be formed by varying the size and number.

6A to 6C, the retaining wall construction method using the ecological block according to the second embodiment of the present invention will be described in detail.

Figure 6a schematically shows a method for combining the ecological block according to a second embodiment of the present invention in a diagonal direction, Figure 6b is a direction perpendicular to the diagonal direction of the ecological block according to a second embodiment of the present invention Figure 6c schematically shows a method of joining, Figure 6c schematically shows a retaining wall constructed using an ecological block according to a second embodiment of the present invention.

6A to 6C, the method of constructing the retaining wall using the ecological block 200 according to the second embodiment of the present invention includes at least two ecological blocks 200 according to the second embodiment of the present invention. Depending on the purpose of the installation or the type of vegetation, prepare various patterns and colors to match the surrounding landscape.

Subsequently, the foundation concrete floor 201 is formed, and as illustrated in FIG. 6A, a second concrete block 200 ′ of the at least two ecological blocks 200 is formed on the foundation concrete floor 201. The ecological block 200 ″ is disposed diagonally (in the direction of the arrow in FIG. 6C) and is formed in the indentation groove 221 ′ which is formed in a longitudinal direction on an upper side of the front surface 212 ′ of the first ecological block 200 ′. At least two or more sliding protrusions 223 " long extending in the longitudinal direction on the other side of the upper right side 113 " of the second ecological block 200 " The first retaining wall unit 20a of the same height having the ecological space 250 surrounded by the ecological block 200 may be formed.

Subsequently, as shown in FIG. 6B, the second ecological block 200 ′ is disposed in an oblique direction with respect to the second ecological block 200 ″ among the at least two ecological blocks 200, and is slid upward. Longitudinal longitudinally formed in one side of the left side 211 "lower side of the ecological block 200" in the longitudinal direction on the other side of the lower side of the rear surface 214 'of the first ecological block 200' The second retaining wall unit 20b of the same height having an ecological space 250 surrounded by at least two ecological blocks 200 in a row in a counterclockwise direction (A arrow direction) in combination with the coupling protrusion 223 'formed long. Can be formed.

As such, the first retaining wall unit 20a coupled to the upper male and female units in a counterclockwise direction and the second retaining wall unit 20b coupled to the lower male and female units in a counterclockwise direction are arranged in an intersection, so that the upper, lower, left, and right sides are stable in two dimensions. The flat retaining wall 20 can be formed.

As shown in FIG. 6C, the at least two rows of retaining walls 20 constructed as described above are formed in a two-dimensional plane and may be supported by filling stones or rearing soil on the rear surface thereof when disposed on an inclined ground.

In this case, the at least two rows of retaining walls 20 may further have an ecological space 250 surrounded by a pair of ecological blocks 200 ′ and another pair of ecological blocks 200 ″ without a separate structure.

Similarly, the ecological space 250 can secure habitats and passages for amphibians or insects and can provide refuge in flood situations.

The last upper end of the retaining wall 20 is finished in the ceiling, so that it can be stably maintained in front, rear, left, and right up and down without a separate fixture, so that the natural connection of the synthetic resin ecological block 200 and the filling stone and the back soil is made. Can be.

In the present specification, the embodiment is not described in detail, but when planting a large tree, the size of the earth space may be increased, and the large ecological block and the ecological block according to the first and second embodiments may be moved back and forth. By blending, the diversity and harmony of vegetation can be achieved.

1 is a perspective view of an ecological block according to a first embodiment of the present invention, Figure 2 is a plan view of FIG.

Figure 3a schematically shows a method for combining the ecological block in the transverse direction according to the first embodiment of the present invention, Figure 3b schematically shows a method for combining the ecological block in the height direction according to the first embodiment of the present invention 3C schematically shows a retaining wall constructed using an ecological block according to a first embodiment of the present invention.

4 is a perspective view of an ecological block according to a second exemplary embodiment of the present invention, and FIG. 5 is a plan view of FIG. 4.

Figure 6a schematically shows a method for combining the ecological block according to a second embodiment of the present invention in a diagonal direction, Figure 6b is a direction perpendicular to the diagonal direction of the ecological block according to a second embodiment of the present invention Figure 6c schematically shows a method of joining, Figure 6c schematically shows a retaining wall constructed using an ecological block according to a second embodiment of the present invention.

Claims (18)

A main body having a hollow therein for providing an earth space, and an engaging groove protruding in a shape corresponding to the indenting groove and a long inboard groove longitudinally longitudinally opposed to the surfaces of the main body; The coupling protrusions are respectively disposed on opposite surfaces of the main body, and at least one drain hole facing each other is formed on opposite surfaces of the main body, It is made of a synthetic resin, the indentation groove is formed in the center of the extended portion extending from the upper end of the first surface of the main body, the engaging projection is formed to protrude from the center lower portion of the third surface opposite to the first surface of the main body Ecological Block. delete The method of claim 1, The inner groove and the coupling protrusion is an ecological block consisting of a neck and a head, respectively. The method of claim 3, wherein The inboard groove and the coupling protrusion is an ecological block disposed in a straight line with respect to the bottom of the body. delete 5. The method of claim 4, The indentation groove is formed in the center lower portion of the second surface of the main body, the coupling protrusion is formed in the center of the fourth lower surface facing the second surface of the main body ecological block. The method of claim 1, The bottom of the extension portion extending from the upper end of the first surface of the main body is formed with a long groove in the transverse direction, the third surface is provided with a pair of legs protruding in both directions about the engaging projection, the legs Ecological block is formed in the protrusion corresponding to the shape of the groove. The method of claim 3, wherein The inboard groove and the coupling protrusion is an ecological block disposed diagonally with respect to the bottom of the body. 9. The method of claim 8, The indentation groove is formed on one side of the upper end of the first surface of the main body, the coupling protrusion is formed on the bottom of the other side of the third surface opposite to the first surface of the main body ecological block. 9. The method of claim 8, The indentation groove is formed on one side of the lower end of the second surface of the main body, the coupling protrusion is formed on the top of the other side of the fourth surface facing the second surface of the main body ecological block. Retaining wall construction method using the ecological block according to any one of claims 1, 3, 4, 6 to 10, Preparing at least two ecological blocks having an indentation groove formed in the center lower portion of the second side of the main body and a coupling protrusion protruding from the center upper portion of the fourth side opposite to the second side of the main body; Forming the foundation concrete floor, Forming a retaining wall of one stage by slidingly coupling the coupling protrusion of the second ecological block upwardly to the indentation groove of the first ecological block among the at least two ecological blocks on the foundation concrete floor; The coupling protrusion formed at the bottom center of the third surface of the second ecological block in the recess formed in the center of the extension of the first surface of the main body of the first ecological block and the groove formed in the longitudinal direction at the bottom of the extension; Sliding the protrusions of the legs formed on the left and right sides of the protrusion upwards to form two retaining walls; Repeating the step of forming the second retaining wall to form a stepped retaining wall; Supporting the stepped retaining wall back surface filled with filling stones and ground soil, and Retaining wall construction method comprising the step of finishing the last upper end of the stepped retaining wall with concrete. The method of claim 11, Filling the earth and sand into the hollow in the body, Retaining wall building method comprising the step of vegetation in the soil to communicate with the rear soil through the drainage hole formed on the opposite side of the main body. The method of claim 11, Retaining wall construction method for removing a portion of the extension to form an ecological space. Retaining wall construction method using the ecological block according to any one of claims 1, 3, 4, 6 to 10, Preparing at least two types of ecological blocks having an indentation groove formed on one side of the upper end of the first surface of the main body and having at least two kinds of coupling protrusions on the other side of the lower end of the third surface opposite to the first surface; Forming the foundation concrete floor, The first ecological block and the second ecological block of the at least two or more ecological blocks on the foundation concrete floor to combine the coupling protrusions on one side of each upper side and the indentation grooves on one side of the upper ecological block, and the ecological block in a counterclockwise direction Retaining wall construction method comprising the step of forming a first retaining wall unit of the same plane having an ecological space surrounded by. 15. The method of claim 14, The second ecological block and the first ecological block of the at least two or more ecological blocks on the foundation concrete floor to combine the coupling protrusions on the other side of the lower side and the indentation grooves on the other side of the bottom, and successively in the counterclockwise direction Retaining wall construction method comprising the step of forming a second retaining wall unit of the same plane having an ecological space surrounded by the ecological block. 16. The method of claim 15, The retaining wall is disposed in a two-dimensional plane, the retaining wall construction method is supported by the filling stone and the rear soil when disposed on the inclined surface. 17. The method of claim 16, Filling the earth and sand into the hollow in the body, Retaining wall construction method comprising the step of planting in the soil to communicate with the ecological space through the drainage hole formed on the opposite side of the main body. In the ecological block comprising a main body having a hollow therein for providing an earth space, and a male and female unit on opposite sides of the main body, The male and female unit includes a first male and female unit disposed above the main body and a second male and female unit disposed below the main body, The ecological block of the first male and female units and the second male and female units are disposed at the longest distance.

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