KR100794669B1 - Wire net for reinforced earth retaining wall and method of constructing the reinforced earth retaining wall utilizing the wire net - Google Patents

Abstract

A wire net for a reinforced earth retaining wall and a method of constructing the reinforced earth retaining wall using the same are provided to shorten the constructing time by using connecting hooks and planting mat fixing pints instead of using binding ropes. A wire net for a reinforced earth retaining wall comprises a wall body material(10), and planting mat fixing pins(120). The planting mat fixing pins are installed at the rear surface of the wall body material. Supporting frames(130) are installed at the front of the wall body material to support decoration members(140). Connecting hooks(112,114,116,164) are formed to at least one of the upper, lower, left, and right sides of the wall body material. A bottom material(160) has one side combined with the wall body material.

Description

Wire net for reinforced earth retaining wall and method of constructing reinforced earth retaining wall using the same {wire net for reinforced earth retaining wall and method of constructing the reinforced earth retaining wall utilizing the wire net}

1 is a perspective view showing a wire mat for reinforcing soil retaining wall according to an embodiment of the present invention.

Figure 2 is an enlarged side view of the portion A of Figure 1, a side view of the vegetation mat is further installed.

Figure 3 is an enlarged side view of the portion B of Figure 1, a side view of the decorative member is further installed.

Figure 4 is a perspective view showing a wire mat for reinforcing soil retaining wall according to another embodiment of the present invention.

5 is an enlarged side view of portion C of FIG. 4;

Figure 6 is a construction flowchart of the reinforced soil retaining wall according to a preferred embodiment of the present invention.

Figure 7 is a cross-sectional view of the reinforcement earth retaining wall is installed conventional wire mat.

FIG. 8 is a perspective view of the first wire mat of FIG. 7. FIG.

FIG. 9 is a perspective view of the second wire mat of FIG. 7; FIG.

Figure 10 is a side view showing a coupling portion of the wire mat and the extension reinforcement.

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

30,30a, 30b: back mat 40,40a, 40b: nonwoven fabric

60: extension reinforcement 100: wire mat

110: wall material (wire mesh) 112,114,116: connection ring

120: vegetation mat fixing pin 130: support frame

140: decorative member 150: vegetation mat

160: flooring 164: hook

170: connecting bar 171: hook

300,400: Geogrid 310: Hook

410: protrusion

Patent Literature: Publication No. 479163

The present invention relates to a reinforcement earth retaining wall wire mesh installed with a vegetation mat fixing pin for fixing the vegetation mat on the back surface of the wall material and a method of constructing a reinforced soil retaining wall using the same.

As a conventional wire mesh for reinforcing earth retaining walls and a construction method, those disclosed in, for example, the patent literature have been proposed. As shown in FIGS. 7 to 10, the reinforcement soil retaining wall 10 of the patent document has a first and second wire mesh mats 20 and 20b stacked in three layers on the basic crushed stone 200, and a cap. The mat 80, the back mat 30, the nonwoven fabric 40, the vegetation mat 50, and the fill material 15 are provided. The first wire mat 20 is a wire mesh of the plurality of cross roots 22 and the longitudinal roots 24. The floor wire 26 extends flat in the horizontal direction and the cross roots 221 from the flooring 26. A plurality of longitudinal muscles 24 are bent to include a wall surface 28 extending upward. The bottom ash 26 interacts with the fill material 15 to help the fill material 15 maintain its position more stable. The longitudinal muscle 24 extends longer than the transverse muscle 222 provided on the top of the wall surface 28. The upper portion of the wall surface material 28 is provided with a locking portion 29 formed by a plurality of longitudinal muscles 24 protrude forward. As shown in FIG. 8, the first wire mat 20 extends with a plurality of first wire mats disposed sideways. The back side of the wall material 28 is coupled to the back mat 30 for wall reinforcement. Behind the mat 30, the non-woven fabric 40 is combined to prevent soil leakage. Behind the nonwoven fabric 40 is a vegetation mat 50 for wall recording and soil leakage prevention is combined. The back mat 30, the nonwoven fabric 40, and the vegetation mat 50 may be coupled by a method such as being tied to the wall surface 28 by a binding strap such as a wire.

10 shows an extension reinforcement 60 used to connect to the back of the flooring 26. One end of the plurality of longitudinal muscles 64 is bent to protrude upwards so that the connection portion 66 is installed so as to protrude from below between the two transverse muscles 22 of the flooring 26. By doing so, the connecting portion 66 protrudes above the longitudinal muscle 24. In this state, the elongated insertion rod 70 is inserted into the space formed by the longitudinal muscle 24 and the connecting portion 66 to couple the extension reinforcement 66 and the first wire mat 20.

As shown in FIG. 9, the second wire mat 20b includes a lower auxiliary mat 30a, an upper auxiliary mat 30b, a lower nonwoven fabric 40a, a lower vegetation mat 50a, and an upper nonwoven fabric ( 40b), an upper vegetation mat 50b, a connecting rod 90, and a fill material 15a. The connecting rods 90, 90a, and 90b connecting the wall surface material 28b and the floor material 26b are bent at both ends to form the rings 92, 92a and 92b. The rings at both ends are caught at the intersection points of the transverse roots 22b and the longitudinal roots 24b in the wall surface 28b and the flooring 26b, respectively. Connection rods (90, 90a, 90b) may be provided with a length adjusting nut. By rotating this length adjusting nut, the length of the connecting rods 90, 90a, 90b can be slightly adjusted.

By the way, the vegetation mat should be tied by the worker one by one with a tie of wire, plastic . That is, since the vegetation mat wound to unscrewing the transverse direction against the rear wall surface material, and then pierced the vegetation mat with the binding string is held tied in the lateral muscle or longitudinal muscle, there is a problem that prolonged the construction period, the workability is lowered.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a reinforcing earth retaining wall wire mesh and a method of constructing a reinforced earth retaining wall using the same that can improve the workability by fixing the vegetation mat without binding to the binding straps.

Reinforcing earth retaining wall wire mesh of the present invention for achieving the above object is characterized by consisting of the wall surface material, the vegetation mat fixing pin is installed on the rear surface of the wall surface material.

Reinforcement earth retaining wall construction method according to another feature of the present invention comprises the steps of preparing a wire mesh consisting of a flooring material, and a wall surface material is installed with a vegetation mat fixing pin; Construction of foundation holes; Installing the wire mesh in the foundation hole; Fixing a vegetation mat to the vegetation mat fixing pin; It includes the process of laying and filling the fill material.

According to this configuration, since the pin is pinched and fixed to the vegetation mat fixing pin, the workability can be remarkably improved.

In the above-described configuration, if the support frame for supporting the decorative member is further installed on the front surface of the wall surface material, it can give a beautiful appearance during or after construction.

In addition, when at least one side of the wall, the upper, lower, left and right side of the connecting ring is formed, the connection can be facilitated to significantly increase the convenience of construction.

In addition, one side is further provided with a flooring material coupled to the wall surface material, the other side of the flooring material is formed, if the connecting ring is formed, it is easy to connect the reinforcement (geogrid, steel reinforcement) can increase the convenience of construction.

On the other hand, one side is further provided with a flooring material coupled to the wall material, the other side of the flooring is connected to the geogrid by connecting reinforcement, the connecting reinforcing bar is a longitudinal rod of the network along the transverse direction of the flooring material, and below the mesh It is preferable to insert and connect between geogrids protruding upward from the.

Best Mode for Carrying Out the Invention Preferred embodiments of the present invention will now be described with reference to the accompanying drawings, where like reference numerals refer to like parts, and detailed description thereof will be omitted.

1 is a perspective view showing a wire mat for reinforcing soil retaining wall according to an embodiment of the present invention, Figure 2 is an enlarged side view of a portion A of Figure 1, a vegetation mat is further installed side view, Figure 3 An enlarged side view of portion B of FIG. 1, which is a side view in which a decorative member is additionally installed.

As shown in FIGS. 1 to 3, the wire mesh of the present embodiment includes a wall member 110 having a plurality of transverse roots 111 and a plurality of longitudinal roots 113 in a lattice form, and a rear surface of the wall surface member 110. It is composed of a plurality of vegetation mat fixing pins (120).

Vegetation mat fixing pin 120 is preferably fixed to the intersection of the reinforcement or wire mesh material, such as welding the transverse reel 111, longitudinal reinforcement 113, these (111, 113).

Therefore, in the state where the wall surface 110 is set to the wall gradient is installed, while pressing the vegetation mat 150 along the transverse direction to the vegetation mat fixing pin 120, it is installed while being drilled. Therefore, as in the prior art, the worker can be much faster than the work that is tied through the wires individually, thereby increasing the convenience of construction and shortening the construction period. Vegetation mat 150 is to prevent wall greening and soil leakage , mainly made of chemical fiber, palm fiber, natural fiber, artificial soil and seeds, non-woven fabric. In addition, before the installation of the vegetation mat 150, the non - woven fabric (40, 40a, 40b) for preventing soil leakage can be fitted to the vegetation mat fixing pin 120 to be fixed. As the nonwoven fabrics 40, 40a, 40b, a net molded of high density polyethylene is mainly used. In addition, the back surface of the wall material 110, it is preferable that the back surface reinforcing back mat (30, 30a, 30b) is additionally installed.

On the other hand, as shown in Figures 1 and 3, the support frame 130 for supporting the decorative member 140 is preferably installed on the front surface of the wall surface 110. The support frame 130 may have a sufficient shape as long as it supports the decorative member 140. In the present embodiment, the support frame 130 is welded and fixed to the 'c'-shaped ring 130, and the decorative member 140 in the horizontal direction (side). ) Can be inserted. Of course, the support frame 130 is implemented by the 'b' shaped ring, it is possible to support the decorative member 140 from above. As the decorative member 140, natural / artificial wood or stone (marble, artificial stone, etc.) may be used for beautiful appearance of the retaining wall. Because of the decorative member 140, as shown in Figure 3, because the grass grows out between the decorative member 140 and the decorative member 140 can provide a beautiful landscape that is not sensitive.

On the other hand, it is preferable that the connecting ring 112 is formed on at least one of the left side and the right side of the transverse root 111 of the wall surface material 110. The connecting ring 112 is convenient when connecting the wall surface member 110 and the wall member 110 in the horizontal direction, it is possible to improve the workability.

Similarly, at least one of the upper side and the lower side of the longitudinal root 113 of the wall surface material 110 is preferably formed with a connecting ring (114, 116). The connecting rings 114 and 116 are convenient when connecting the wall member 110 and the wall member 110 to each other in the longitudinal direction, thereby improving workability. It is preferable that these connecting rings 112, 114 and 116 have a hook shape.

By the configuration of the connection rings 112, 114, and 116 as described above, it is not necessary to bind by using a manpower as the binding strap. High soil (15M or more) Green wall  There is no risk of safety accident and the construction period is short, so it is relatively economical.

In addition, the flooring material 160 is preferably installed on the bottom. The flooring material 160 is a lattice-shaped reinforcement material of the transverse muscles 161 and the longitudinal muscles 163. The frictional force acts on the longitudinal muscles 163 of the flooring material 160, and the transverse muscles 161 of the flooring material 160 are formed. Acupressure resistance acts. These resistive forces act more than the earth pressure to satisfy the stabilization conditions of the retaining wall.

When one side of the flooring material 160 is integrally formed under the wall surface material 110, it functions as a wire mat 100. Accordingly, the wire mat 100 is a mat in which the wall material 110 and the floor material 160 are integrated, and is made of a material of galvanized ordinary iron wire.

When the length of the flooring 160 is short, as shown in Figures 1 and 4, it can extend by connecting the reinforcement in the longitudinal direction. The reinforcement may be a steel reinforcement material such as geogrid or flooring.

As shown in FIG. 1, a hook-shaped connecting ring 164 is formed at the other longitudinal root 163 of the flooring 160, and may be connected to the geogrid 300 by walking. The hook may be drilled through the connecting ring 160 or the hook ring 310 may be placed on the geogrid 300. Instead of the geogrid 300, a steel reinforcement of the same type as the flooring 160 may be connected. In this case, the connecting ring 164 may be hooked to the transverse muscle of the reinforcing steel, or hooked to the intersection of the transverse and longitudinal muscles.

On the other hand, as shown in Figures 4 and 5, in the state that one side of the geogrid 400 is disposed below the other side of the flooring 160, the protrusion 410 of the geogrid 400 pulled out into the grid space of the flooring 160 and Connecting reinforcing bar 170 may be inserted between the longitudinal bars 163. On one side of the connecting reinforcement 170, it is preferable that the engaging ring 171 is caught on the longitudinal muscles 163. In addition, it will be apparent to those skilled in the art that the aforementioned extension reinforcement 60 may be connected instead of the geogrid 400.

Hereinafter, the reinforcement soil retaining wall construction method will be described by applying the above-described configuration, assuming that the three-layer fill layer is constructed.

Figure 6 is a construction flowchart of the reinforced earth retaining wall according to a preferred embodiment of the present invention.

First, construct a foundation hole. After the foundation work such as excavation and stoppage, the foundation hole should be firmly secured so that there are no irregularities and the foundation stone should be laid. After that, install blind culvert drainage if necessary to prevent rainwater from penetrating into the fill. The 'blum culvert drainage' refers to a drainage structure that processes water introduced into the ground, and guides the water flowing into the road surface or flowing through the incision rock line into the other drainage structure using a blind culvert. The water gathered on the road and the water flowing along the waterway should be treated with a separate drain pipe or culvert.

When the foundation hole is completed, the first wire mat set to a predetermined slope is installed. This 1st wire mat is arrange | positioned at some interval along a horizontal direction. At this time, the inner curve overlaps the back side of the wire mat, and the outer curve is installed by dropping it (see FIG. 6). When the first wire mat is installed to install the reinforcement (geogrid or steel reinforcement) to the flooring material.

Next, the vegetation mat and the non-woven fabric for preventing the outflow of soil are installed and fixed on the vegetation mat fixing pin in order. It is preferable to leave a lot of fixing pins on the vegetation mat so that the vegetation mat does not move when compacted. Next, the first fill material is laid from the wall surface side. It is preferable to use a compaction compactor near the wall surface and to use the compaction roller for the remaining portion.

When the first fill material is completed, the second wire mat is fixed to the first wire mat. The connection fixing may bind the longitudinal roots of the cross bars of the second wire mat and the longitudinal roots of the wall members of the first wire mat, and connect the upper or lower connecting rings of the longitudinal roots of the wall members to the transverse roots of the other wall members or the transverse roots and the longitudinal rods. Can be connected to the intersection of the roots. Then, by repeating the above construction, the second fill material and the third fill material is completed.

At this time, before the first landfill material, the second landfill material, and the third landfill material are installed, if the cap bar (turn buckle) or the reinforcement support bars 90 and 90a are installed on the wire mat, the wall surface material is formed by the landfill material to be installed. It can prevent forward tilting.

Reinforcing earth retaining wall wire mesh according to the present invention and a method of constructing a reinforced earth retaining wall using the same can be carried out by various modifications within the range allowed by the technical idea of the present invention.

As is apparent from the above description, according to the present invention, the reinforced earth retaining wall wire mesh and the method of constructing the reinforced earth retaining wall using the same have the following effects.

Since the vegetation mat fixing pin is installed on the rear surface of the wall material, the vegetation mat fixing pin is inserted and fixed by pressing the vegetation mat.

In addition, if the support frame for supporting the decorative member is further installed on the front surface of the wall material, it is possible to provide a beautiful appearance by producing a variety of landscaping during or after construction.

In addition, the connection ring is formed on at least one side of the upper side, the lower side, the left side and the right side of the wall material, thereby facilitating the connection and significantly increasing the convenience of construction. In addition, since it can be connected to each other without using manpower, there is no risk of safety accidents in the high- grade soil (more than 15M) rust retaining wall, and the construction period is short, so it is relatively economical.

In addition, by adopting the configuration of the flooring material is coupled to the wall surface on one side and the connecting ring is formed on the other side, it is easy to connect the reinforcement (geogrid, steel reinforcement) to increase the convenience of construction.

On the other hand, one side is further provided with a flooring material coupled to the wall material, the other side of the flooring is connected to the geogrid by connecting reinforcement, the connecting reinforcing bar is a longitudinal rod of the network along the transverse direction of the flooring material, and below the mesh By inserting and connecting between the geogrid protruding upward from, it can increase the convenience of construction.

Claims (6)

Wall panel, Reinforced earth retaining wall wire mesh, characterized in that consisting of the vegetation mat fixing pin is installed on the back of the wall material. The method of claim 1, Reinforcement earth retaining wall wire mesh, characterized in that the front of the wall member is further provided with a support frame for supporting the decorative member. The method according to claim 1 or 2, Reinforcement earth retaining wall wire mesh, characterized in that the connecting ring is formed on at least one of the upper, lower, left and right of the wall surface material. The method according to claim 1 or 2, One side is further provided with a flooring material coupled to the wall surface material, Reinforcement earth retaining wall wire mesh, characterized in that the other side of the floor is formed with a connecting ring for connecting the reinforcement. The method according to claim 1 or 2, One side is further provided with a flooring material coupled to the wall surface material, Geogrid is connected to the other side of the flooring by connecting reinforcement, The connecting reinforcing bar retaining wall wire mesh, characterized in that the connection between the longitudinal reinforcement of the net along the transverse direction of the flooring and inserted between the geogrid protruding upward from the bottom of the net. Preparing a wire mesh consisting of a flooring material and a wall surface material on which vegetation mat fixing pins are installed; Construction of foundation holes; Installing the wire mesh in the foundation hole; Fixing a vegetation mat to the vegetation mat fixing pin; Reinforced soil retaining wall construction method comprising the step of laying the soil material and compacting.

Images