KR100654936B1 - Method for constructing retaining wall - Google Patents

Abstract

The disclosed retaining wall block construction method includes the steps of: (a) placing a foundation concrete while fixing tensile muscles of a predetermined length in a predetermined position of the foundation after a predetermined excavation work; (b) placing the first stage blocks horizontally over the foundation concrete such that each tension muscle is inserted into a corresponding through hole; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) disposing a connection pipe having a predetermined length in the longitudinal direction of the retaining wall so that the planting port is coupled to one end thereof so as to communicate with the drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first stage block; (f) repeating steps (b) to (e) to form a block stage by the required height; (g) tensioning and securing the tension muscles on top of the uppermost block; And (h) pouring the top concrete on the top block.

Description

Retaining wall block construction method {Method for constructing retaining wall}

1 is a perspective view schematically showing a block adopted in the retaining wall block construction method according to a preferred embodiment of the present invention.

2 is a cross-sectional view of the retaining wall blocks of FIG.

3 is a plan view showing an installation state of the main body and the reinforcing member of FIG.

4 is a cross-sectional view of FIG.

5 is a front view of a state in which the retaining wall block of FIG. 1 is constructed;

Figure 6 is a cross-sectional view of the block adopted in the retaining wall block construction method according to another preferred embodiment of the present invention.

7 is a perspective view of a steel pipe used for the construction of the retaining wall block according to a preferred embodiment of the present invention.

8 is a schematic cross-sectional view showing the planting pot and the connecting pipe shown in FIG.

<Description of the symbols for the main parts of the drawings>

10 ... main body 11 ... second drain 12 ... engaging projection

13 ... 3rd drain 14 ... engagement groove 15 ... through hole

16 Fixing groove 17 2nd through hole 18 Drainage

19 ... 3rd through hole 20 ... Retaining wall 30 ... Reinforcement member

40 ... bonding member 50 ... base concrete 60 ... top concrete

70 ... steel pipe 82 ... plant pot 84 ... connection pipe

The present invention relates to a method for constructing a retaining wall block, and more particularly, to a method for constructing an eco-friendly ecological retaining wall block that is constructed on a slope of a river, a reservoir, a road cutout, and the like.

A method of protecting slopes such as rivers, reservoirs, and road cuts is to install retaining wall blocks and to provide vegetation spaces for plants to grow on the blocks. Such retaining wall blocks can restore natural ecosystems, control the flow rate of water and prevent ground subsidence by plants growing in the vegetation space, and have functions as habitats and spawning places for aquatic insects, fish, and birds.

In general, various types of retaining wall blocks, canine blocks, precipitation, concrete retaining walls, etc. are installed in river banks to prevent erosion and settlement of the ground and to prevent loss of waterways. Most conventional retaining wall blocks are not compatible with the river's surroundings but also cause disruption of the river ecosystem. Therefore, in recent years, environmentally friendly retaining wall blocks in harmony with the conservation of ecosystems and the surrounding environment of rivers have been preferred.

However, the conventional retaining wall blocks have trapezoidal fitting protrusions protrudingly formed on both left and right sides of the rectangular body, and fitting portions of the adjacent blocks are formed by fitting portions into which the third fitting protrusions are fitted on both front and rear sides of the body. Most of the construction is fitted to each other.

The conventional retaining wall blocks have a vegetation space for forming green space, but in the construction of the block, the coupling protrusion is inserted into the coupling groove, so that no separate coupling means is provided, and the gap between the blocks is relatively large. As construction increases, there is a high possibility of loss of binding force between blocks due to heavy rainfall, and when one block is lost, the mutual coupling force between blocks decreases significantly. There was a problem that caused a great damage to be lost.

In addition, the conventional retaining wall has a problem that the vegetation space is narrow and the side of the retaining wall is thick, it is difficult for the plants growing in front of the block to fully adhere to the soil of the back of the retaining wall.

The present invention has been conceived to solve the above problems, by using blocks having a simpler structure than that of a conventional retaining wall block, by installing a reinforcing member in a horizontal direction, or by installing a steel rod or a tension bar through the blocks in a vertical direction. An object of the present invention is to provide a retaining wall block construction method for maximizing coupling force between blocks to prevent chain separation of a retaining wall block.                         

Another object of the present invention is to provide a planting port in the backfill rubble to provide better conditions of vegetation plants in the front of the main body and retaining wall block construction that can improve the vegetation conditions by installing a connecting pipe between the planting port and the main body To provide a method.

In the retaining wall block construction method according to the present invention for achieving the above object, (a) one end of the reinforcing member is installed in a predetermined portion of the block body arranged vertically and horizontally adjacent and the other end is located in the place where the retaining wall will be constructed Making a step; (b) disposing a connection pipe having a predetermined length in the longitudinal direction of the retaining wall so that the planting port is coupled to one end thereof so as to communicate with the drain holes formed in the block body; And (c) installing a coupling member between the uppermost block and the lowermost block.

Retaining wall block construction method according to the present invention for achieving the above object comprises the steps of: (a) placing the foundation concrete while fixing the tensile muscles of a predetermined length in a predetermined position of the foundation after a predetermined excavation work; (b) placing first-stage blocks horizontally on the foundation concrete such that each tensile muscle is inserted into a corresponding through hole; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) disposing a connection pipe having a predetermined length in the longitudinal direction of the retaining wall so that the planting port is coupled to one end thereof so as to communicate with the drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) repeating steps (b) to (e) to form a block stage by the required height; (g) tensioning and securing the tension muscles on top of the uppermost block; And (h) pouring the top concrete on the top block.

Retaining wall block construction method according to the present invention for achieving the above object, (a) placing a foundation concrete after a predetermined trench; (b) placing first-level blocks horizontally on the foundation concrete; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) disposing a connection pipe having a predetermined length in the longitudinal direction of the retaining wall so that the planting port is coupled to one end thereof so as to communicate with the drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) repeating the steps (b) to (e) to form a step of the block by the required height such that the through holes through which blocks of each step placed in succession can communicate with each other are formed; (g) inserting a steel rod into the through hole formed from the upper surface of the uppermost block to the lowermost block; And (h) pouring the top concrete on the top block.

Retaining wall block construction method according to the present invention for achieving the above object, (a) placing a foundation concrete after a predetermined trench; (b) placing first-level blocks horizontally on the foundation concrete; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) disposing a connection pipe having a predetermined length in the longitudinal direction of the retaining wall so that the planting port is coupled to one end thereof so as to communicate with the drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) inserting a steel rod having a predetermined length into each through hole formed in an upper portion of the main body of the first-stage block; (g) horizontally placing the two-stage blocks so that the steel rod is inserted into the second through hole provided at the bottom of the main body of the block; (h) repeatedly performing steps (c) to (g) to form a block stage by a required height; And (i) pouring the top concrete on top of the uppermost block.

Preferably, the steel bar is a hollow steel pipe with a plurality of holes in the side.

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

1 is a perspective view schematically showing a block body used in the retaining wall block construction method according to a preferred embodiment of the present invention, Figure 2 is a cross-sectional view of the retaining wall in a state of construction using the block body of FIG.

1 and 2, the retaining wall block 100 has vertical coupling protrusions 12 and coupling grooves 14 provided on upper and lower surfaces, respectively, and is substantially perpendicular to the main body 10 having a rectangular shape. One end is fastened to the fixing groove 16 formed by the main body 10 and the other end includes a reinforcing member 30 installed on the retaining wall 20.

The body 10 is made of plain concrete or porous concrete. Planting and drain holes 18 of a predetermined pattern are provided in the horizontal direction of the main body 10. Upper and lower centers of the main body 10 are formed with a semicircular second planting material and a drain portion 11, respectively, and upper and lower corners of the main body 10 have a third semi-circular third planting material and a drain portion ( 13) is formed. The second and third planting and draining portions 11 and 13 have the same shape as the planting and draining holes 18 when the main bodies 10 are coupled to each other. The front of the main body 10 has a natural stone pattern of amber stone projecting irregularly arranged.

The fixing groove 16 is formed at a predetermined depth of the main body in a semicircular shape around a predetermined portion of the upper and lower surfaces of the main body, that is, the engaging protrusion 12 and the engaging groove 14. Therefore, when the main bodies 10 are vertically coupled, the fixing groove 16 has a tunnel having a cross-sectional diameter of a predetermined size.

3 is a plan view illustrating an installation state of the main body and the reinforcing member of FIG. 1.

2 and 3, the reinforcing member 30 is a reinforcing material, a fiber / rigid rope for preventing the blocks from collapsing in the horizontal direction while the retaining wall block 100 is constructed, and one end of the fixing groove ( It has a semicircular shape that can be molded in 16) and the other end has a hook installed on the retaining wall 20 formed of rubble and earth and sand.

4 is a cross-sectional view of FIG. 1, and FIG. 5 is a front view of a state in which the main body shown in FIG. 1 is constructed.

4 and 5, the main body 10 has a through hole 15 formed between the coupling protrusion 12 and the defect groove 14. Accordingly, when the main bodies 10 are zigzag-shaped as shown in FIG. 5, the through holes 15 are connected to each other in the vertical direction. Each through hole 15 is provided with a coupling member 40 to improve the coupling force of the adjacent main body 10.

The coupling member 40 is installed between the base concrete 50 at the bottom of the lowermost body and the top concrete 60 at the top of the uppermost body, and then is a tension root that is tensioned by a predetermined device (not shown), or simply the base concrete 50. And steel bars installed between the upper concrete 60.

6 is a cross-sectional view of a retaining wall block according to another preferred embodiment of the present invention. The same components as those described in FIGS. 1 to 5 are the same members having the same functions.

6, the upper and lower surfaces of the main body 10 are provided with second and third through holes 17 and 19 formed at predetermined lengths from the coupling protrusion 12 and the coupling groove 14, respectively. The second and third through holes 17 and 18 do not vertically stack the required bodies 10 and then connect the bodies 10 vertically by using one tension bar or steel rod. After stacking the main bodies 10 horizontally, the main bodies 10 are connected to each other using a steel rod or steel pipe 70 (see FIG. 7) having a predetermined length. As shown in FIG. 7, the steel pipe 70 preferably has a hollow structure in which a plurality of holes 72 are formed at the side in the longitudinal direction. The structure of this steel pipe 70 is to facilitate the filling of the mortar.

FIG. 8 is a schematic cross-sectional view showing the planting pot and the connecting pipe portion shown in FIG. 2.

2 and 8, a plurality of planting ports 82 are installed on the rear surface of the retaining wall 20. Planting port 82 allows the planting of the roots of the plant to be completely planted in the soil on the back of the retaining wall 20, to facilitate the planting and propagation of the plant and to be planted in a narrow planting space or groove. To this end, the planting port 20 is connected to the planting and drain holes 18 formed in the main body 10 via the connection pipe 84. The connecting pipe 84 is preferably made primarily of PVC. In addition, the connection pipe 84 may be installed to penetrate the planting and drain hole 18 formed in the main body 10.

The construction method of the retaining wall block according to the present invention can be summarized as follows.

First, in order for the plant to be planted in the planting space in front of the retaining wall block, the connecting pipe 84 is constructed so as to penetrate the block body 10 and the retaining wall 20, respectively, and planting at the other end of the connecting pipe 84 The port 82 is constructed.

Second, in order to reinforce the supporting force in the horizontal direction of the retaining wall block 100 is installed a reinforcing member 30 for connecting between the block body 10 and the retaining wall 20 at each end.

Third, through the through hole 15 or the second and third through holes 17 and 19 between the engaging projection 12 and the coupling groove 14 to strengthen the coupling force in the vertical direction of the retaining wall block 100. Connect the steel, steel rod, steel wire and steel pipe.

When the retaining wall block construction method according to a preferred embodiment of the present invention based on the configuration and the arrangement as described above sequentially described.

(1) When each end is connected by a tension bar

First, 'digging' is required for slopes such as rivers, rivers, and road cuts. Subsequently, as shown in FIGS. 2 and 5, the foundation concrete 50 is poured into a predetermined form. In this process, the base 42 of the coupling member 40, such as the tensile muscle, is embedded in the foundation concrete 50 and fixed. Next, the lowest stage (one stage) of the block is provided. 2 and 3, one end of the reinforcing member 30 is fixed to the fixing groove 16 around the engaging protrusion 12 at the upper end of the main body 10 of the first stage block, and the other end thereof is retained wall. Position (20) where the construction will be. Then, after arranging the connection pipe 84 to a predetermined length, the planting port 82 is connected to the other end of the connection pipe 84. Next, rubble and soil are filled and compacted by a predetermined length to construct the retaining wall corresponding to the first-stage block. Here, the planting port 82 is preferably to be located in the rear of rubble and soil.

Next, two stages of a block main body are provided. In this process, the two-stage main body 10 is installed in a zigzag in the vertical direction so that the first-stage main body 10 and 1/2 overlap, and the coupling groove 14 at the lower end of the two-stage main body 10 is the first-stage main body. It is inserted into the engaging projection 12 of (10). Installation of the reinforcing member 30 and the planting port 82, filling and compacting of rubble and soil in the two-stage block installation process is the same as the one-stage construction described above.

Finally, after finishing the steps of the block with the required height in the above-described process, the concrete is poured after finishing the finishing work.

(2) When connecting multiple stages with steel bars

This construction method installs the first stage of the block directly without constructing the tensile muscles during the foundation laying work after the trenching work. Subsequently, after the reinforcing member, planting port is installed, the same process is sequentially performed as required height after the rubble and soil filling and compacting process is the same as the above-described construction method.

However, after constructing the retaining wall to the required repetition height, the steel rod is inserted from the upper surface of the uppermost block to the lowermost block into each through hole 15 formed as one hole in the adjacent stage before placing the upper concrete. Subsequently, the finishing work after pouring the top concrete is the same as the electric installation example. In this process, by inserting a hollow steel pipe into the through-hole 15 having a plurality of holes in the side, it is advantageous to fill the mortar during pouring the upper concrete and to further strengthen the bonding force between the blocks.

(3) In case of connecting blocks of adjacent stage with each steel bar

Unlike the second construction example, the construction method is constructed using the main bodies shown in FIG. 6. That is, a predetermined length is provided in the second through hole 17 provided at the upper end of the main body 10 of the block of the first stage after the process of installing the trench-foundation-reinforcement member, the planting port, rubble and soil filling and compaction process. Insert steel rods or steel pipes.

Subsequently, in the process of stacking the two-stage blocks, two-stage blocks are stacked while the third through holes 19 of the main bodies 10 are inserted into the pre-installed steel bars or the steel pipes 70. The remaining reinforcing members, planting pot installation and rubble and soil filling and chopping process are the same as the above-described construction example. This method has the advantage of reducing the cost of the steel bar while maintaining the same vertical coupling force as the second installation example.

The retaining wall block construction method according to the present invention configured as described above has the following effects.

First, it is possible to prevent the loss of the retaining wall block by improving the bearing capacity of the retaining wall block through the reinforcing member connecting the rear of the retaining wall and the fixing groove provided between the constructed blocks.

Second, it is possible to prevent the loss of the retaining wall block finally by strengthening the vertical coupling force between the main body through the steel rod, steel pipe, tension bar, etc. penetrating the constructed blocks.

Third, planting ports can be installed on the rear surface of the retaining wall formed by rubble and earth and sand, and the planting efficiency can be increased through a connection pipe connecting the drainage hole of the block and the planting port.

Claims (5)

(a) installing one end of the reinforcing members in a predetermined portion of each block body disposed vertically and horizontally adjacent and positioning the other end in the place where the retaining wall is to be constructed; (b) arranging a connection pipe of a predetermined length in the longitudinal direction of the retaining wall so as to communicate with the drain holes formed in the block body; And Retaining wall block construction method comprising the step of installing a coupling member between the uppermost block and the lowermost block. (a) placing the foundation concrete while fixing tensile muscles of a predetermined length in a predetermined position of the foundation after a predetermined excavation work; (b) placing first-stage blocks horizontally on the foundation concrete such that each tensile muscle is inserted into a corresponding through hole; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) arranging a connection pipe of a predetermined length in the longitudinal direction of the retaining wall so as to communicate with drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) repeating steps (b) to (e) to form a block stage by the required height; (g) tensioning and securing the tension muscles on top of the uppermost block; And Retaining wall block construction method comprising the step of pouring the top concrete on the uppermost block. (a) placing the foundation concrete after a predetermined trench construction; (b) placing first-level blocks horizontally on the foundation concrete; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) arranging a connection pipe of a predetermined length in the longitudinal direction of the retaining wall so as to communicate with drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) repeating the steps (b) to (e) to form a step of the block by the required height such that the through holes through which blocks of each step placed in succession can communicate with each other are formed; (g) inserting a steel rod into the through hole formed from the upper surface of the uppermost block to the lowermost block; And Retaining wall block construction method comprising the step of pouring the top concrete on the uppermost block. (a) placing the foundation concrete after a predetermined trench construction; (b) placing first-level blocks horizontally on the foundation concrete; (c) fixing one end of the reinforcing member to the fixing groove around the engaging projection of the block body and positioning the other end in the place where the retaining wall is to be constructed; (d) arranging a connection pipe of a predetermined length in the longitudinal direction of the retaining wall so as to communicate with drain holes formed in the block body; (e) filling and compacting rubble and soil to correspond to the height of the first block; (f) inserting a steel rod having a predetermined length into each through hole formed in an upper portion of the main body of the first-stage block; (g) horizontally placing the two-stage blocks so that the steel rod is inserted into the second through hole provided at the bottom of the main body of the block; (h) repeatedly performing steps (c) to (g) to form a block stage by a required height; And Retaining wall block construction method comprising the step of pouring the upper concrete on the uppermost block. The method according to claim 3 or 4, The steel bar is a retaining wall block construction method characterized in that the hollow steel pipe having a plurality of holes on the side.

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