KR102430713B1 - Breast wall draining system - Google Patents

Abstract

Retaining wall drainage system of the present invention is to prevent collapsing of retaining wall and soil by guiding rainwater flowing inside the soil supported by the retaining wall toward the outlet side of the retaining wall, and is formed to resist the backfilled soil and the discharge port from the rear to the front. Retaining wall 100 on which (105) is formed; And one end includes a drain rail 115 disposed inside the soil to correspond to the inlet of the outlet 105, the drain rail 115, the lower member 135; and an upper member 140 coupled to the lower member 135 to form the drain passage therebetween.

Description

Retaining wall drainage system {BREAST WALL DRAINING SYSTEM}

The present invention relates to the field of construction and/or civil engineering, and in particular to a retaining wall drainage system.

Patent Invention 001 is for a retaining wall comprising a main body of a tube structure, an attachment formed on the edge of the rear opening of the main body, and a filter formed inside the center of the main body to prevent separation of aggregate through the rear opening of the main body By presenting a drainage pipe, it is possible to provide a technology that enables smooth drainage of the retaining wall, thereby increasing the structural stability of the retaining wall.

Patent Invention 002 relates to a nail retaining wall in which a reinforced concrete retaining wall is integrally constructed on the ground surface reinforced by the nailing method. It relates to an induced vertical drainage induced nail retaining wall. Accordingly, the vertical drainage induction type nail retaining wall includes: a nail constructed such that the rear end protrudes from the ground surface while the front end is fixed to the ground by a nailing method; A plate-shaped member having a plurality of vertical drainage grooves formed on one surface, the vertical drainage groove is installed so that the vertical drainage groove is in contact with the ground surface, the acupressure plate fixed to the rear end of the nail while pressing the ground vertical drainage material, the vertical reinforcement and the horizontal reinforcement are crossed It consists of a reinforcing bar network reinforced so that the protruding rear end of the nail passes between vertical and horizontal reinforcing bars, and retaining wall concrete that is cast and cured so that the rear end of the nail, acupressure plate, and reinforcing bar network are buried, and as a result, the ground surface It provides a technology in which water is vertically discharged along the vertical drainage groove of the ground vertical drainage material.

Patent Invention 003 is a drainage filter for smooth drainage of retaining wall gutter installed in the cut/fill part. In the existing method of constructing retaining wall gutter, a drainage pipe is installed at the bottom of the gutter and backfill is performed on the side slope, but in this case There were frequent cases where the backfilled soil continued to flow out, or the drainage pipe was closed due to the backfilled soil and drainage was not possible. Therefore, in the case of backfilling the gutter, a drainage filter is installed on the drain pipe to prevent soil outflow and closure of the drainage pipe, as well as smooth drainage by expanding the drainage cross-sectional area. technology to maximize its effectiveness.

Patent Invention 004 installs a half-moon-shaped perforated column made of fiber-reinforced plastic composed of several holes in the lower and middle parts at the rear of the retaining wall structure, and connects and installs a half-moon type filter material with a T-shaped perforated tube inserted into the half-moon-shaped perforated tube. Therefore, it relates to the structure of the drainage system for backfilling the retaining wall structure in the underground water exposure area, which has a structure in which the groundwater flowing into the perforated pipe from the filter material is drained to the outlet at the bottom of the retaining wall through the perforated pipe of the half-moon type. In the drainage system of such a retaining wall structure, a plurality of outlets are horizontally formed in the lower part of the vertical structure in the retaining wall structure, and a plurality of half-moon-shaped column perforated pipes are installed in the rear of the retaining wall structure, and the half-moon type In the perforated column, three guide holes are formed at the top, middle and bottom at a vertical height, and in the case of compacting soil by combining the perforated tube stopper at the top of the half-moon-shaped perforated tube, the inflow of soil is prevented as much as possible, and the retaining wall On the other hand, the half-moon filter material is installed in the rear of the half-moon type perforated tube of the structure, and the half-moon type filter material is a structure in which the filter material is inserted inside the polyethylene filter net and the T-type perforated tube is integrally installed in the middle of the filter material, the half-moon type filter material In the guide hole of the column perforated pipe, a T-type perforated tube formed inside the half-moon-shaped filter material is coupled to the half-moon-shaped perforated tube to drain water to the outlet.

KR 10-1689358 B1 (Registration Date: December 19, 2016) KR 10-2010-0067266 A (published on June 21, 2010) KR 20-0414038 Y1 (Registration date April 10, 2006) KR 20-0258888 Y1 (Registration Date: December 14, 2001)

The present invention guides rainwater flowing through the soil supported by the retaining wall toward the outlet side of the retaining wall to prevent the retaining wall and soil from collapsing, prevents soil from flowing into the drainage channel, and provides an improved structure for rainwater inside the soil retaining wall. It is an invention for a retaining wall drainage system that can be led to the outlet side of

Retaining wall drainage system of the present invention, the retaining wall 100 is formed to resist backfilling soil, the outlet 105 is formed from the rear to the front; And one end may include a drainage rail 115 disposed inside the soil to correspond to the inlet of the outlet 105 .

In the retaining wall drainage system of the present invention, the drainage rail 115 includes a lower member 135; and an upper member 140 coupled to the lower member 135 to form the drain passage therebetween.

In the retaining wall drainage system of the present invention, the drainage rail 115 includes a lower member 135 on which a drainage channel 110 is formed; and a coil member 205 disposed in the longitudinal direction of the drainage channel 110 .

The retaining wall drainage system of the present invention may further include an induction cup 215 for communicating the drainage path 110 of the drainage rail 115 with the outlet 105 of the retaining wall 100 .

In the retaining wall drainage system of the present invention, the drainage rails 115 may be arranged inside the soil at a set interval.

In the present invention, by installing a drainage rail inside the soil supported by the retaining wall, rainwater flowing into the soil can be effectively discharged to the outlet side of the retaining wall.

In the present invention, it is possible to improve the rainwater collection performance by configuring the drainage rail in a “V” shape, and to apply a “^”-shaped upper member to this, and to prevent soil from flowing into the drain by covering the nonwoven fabric. can

In the present invention, the drain rail is configured to include a lower member and a coil member disposed thereon, and a drain path can be easily formed through the coil member.

In the present invention, the induction cup can effectively discharge the rainwater introduced into the soil by connecting the outlet of the retaining wall and the drainage rail.

The above-mentioned effects according to the embodiments of the present invention are not limited to the described content, and further include all effects predictable from the specification and drawings.

1 is a cross-sectional view of a retaining wall structure according to the present invention.
2 is a cross-sectional view of a drain rail according to the present invention.
3 is a partial perspective view of a drain rail according to the present invention.
4 and 5 are longitudinal and transverse cross-sectional views of the drain rail according to the present invention.
6 is a side view of a drain rail according to the present invention.
7 and 8 are cross-sectional views of a drain rail according to the present invention.
9 is a cross-sectional view of a drain rail according to the present invention.
10 is a partial perspective view of a drain rail according to the present invention.
11 is a cross-sectional view of a drain rail according to the present invention.
12 is a front view of the retaining wall structure according to the present invention.
13 is a plan view of a retaining wall drainage structure according to the present invention.
14 is a cross-sectional view of a retaining wall drainage structure according to the present invention.
15 is a partial detailed cross-sectional view of the drainage structure of the retaining wall according to the present invention.
16 is a partially exploded perspective view of a drainage structure according to the present invention.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to be described in detail enough to be easily practiced by those of ordinary skill in the art to which the present invention pertains.

Reference numbers provided in the above examples are not limited to the numbers provided, and may be applied to other examples. An equivalent object corresponds to an object exhibiting the same purpose and effect as the configuration presented in this embodiment.

(Embodiment 1-1) The present invention is an invention for a retaining wall drainage system, and is formed to resist backfilling soil, and one side of the retaining wall 100 is formed with an outlet 105 from the rear to the front; And one end may be characterized in that it includes a drainage rail 115 disposed inside the soil to correspond to the inlet of the outlet (105).

In general, the ground is cut or filled for efficient use of land in roads, railways, and housing complexes, etc. However, leaving the cut or filled ground as it is will lead to collapse, so a retaining wall is usually constructed to give stability to the cut or filled ground. .

In general, retaining wall construction is carried out by backfilling the backfilling of the retaining wall sphere after excavating and constructing the retaining wall sphere or at the same time as the retaining wall sphere construction. The retaining wall constructed in this way can naturally form a drainage layer made of gravel or the like behind the sphere of the retaining wall in the backfill process.

In addition, a retaining wall structure installed in an area where groundwater or rainwater is heavily exposed is provided with an outlet in the retaining wall for drainage, and water generated from the rear of the retaining wall structure is treated through this outlet.

In the present invention (see Fig. 1), a drainage rail is disposed inside the soil backfilled at the back of the retaining wall, and rainwater moves along the drainage rail and is discharged to the outside through the outlet of the retaining wall to prevent the soil and the retaining wall from collapsing. can do.

(Embodiment 1-2) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, the drainage rail 115 may be disposed to be inclined downward toward the outlet 105.

(Example 1-3) The present invention relates to a retaining wall drainage system, and in Example 1-2, the drainage rail 115 is made of metal, PVC, and/or a composite material in which a resin is coated on a metal. can get

(Embodiment 1-4) The present invention relates to a retaining wall drainage system, and in Embodiment 1-2, the retaining wall 100 may be made by stacking unit members of a set shape on top.

(Embodiment 1-5) The present invention relates to a retaining wall drainage system, and in Embodiment 1-2, the retaining wall 100 may be made of reinforced concrete, stone, and/or brick.

In the present invention (see FIG. 1), the drainage rail has a structure inclined toward the volleyball side, so that rainwater can be easily discharged. In addition, the drainage rail can be applied with SUS or PVC, which does not easily corrode.

In addition, as shown in FIG. 8 , a composite material in which a resin is coated on a metal may be applied. In addition, the unit members of the retaining wall are stacked from the lower part to the upper part for construction, and the retaining wall may be made of reinforced concrete, stone, or brick.

(Example 1-6) The present invention relates to a retaining wall drainage system, and in Example 1-2, it is interposed between the upper and lower unit members constituting the retaining wall 100, extends to the rear side, and settles in the soil It may further include a reinforcing member 120 to be.

(Example 1-7) The present invention relates to a retaining wall drainage system, and in Example 1-2, a first fixing member 125 for fixing the rear end of the reinforcing member 120 may be further included. .

In the present invention (refer to FIG. 1), a reinforcing member is interposed between the unit members of the retaining wall, and the reinforcing member is extended to the rear of the retaining wall, and soil is placed on the reinforcing member. Such a reinforcing member may have a mesh or mesh structure, and the rear end of the reinforcing member is fixed by the first fixing member. The first fixing member may have an anchor structure.

(Embodiment 1-8) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, a second fixing member 130 for fixing to soil through the rear end of the drainage rail 115 is further added. may include

(Embodiment 1-9) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, the drainage rail 115 may form the drainage channel 110 by bending a plate material.

In the present invention (see FIG. 1), the front end of the drainage rail is positioned to correspond to the rear outlet inlet of the retaining wall, and the rear end of the drainage rail is fixed by the second fixing member in the soil. This second fixing member may have a pile shape, and as shown in FIG. 14 ( b ), a fixing hole is formed at the rear end of the drainage rail, and the second fixing member in the form of a pile is inserted into the fixing hole 400 . can

In the present invention, the drain rail can be used as a drain rail by bending a plate material and combining them. In addition, it can be used as one drainage rail by bending one plate.

(Embodiment 2-1) The present invention relates to a retaining wall drainage system. In Embodiment 1-1, the drainage rail 115 includes: a lower member 135; and an upper member 140 coupled to the lower member 135 to form the drainage channel 110 therebetween.

(Example 2-2) The present invention relates to a retaining wall drainage system, and in Example 2-1, the lower member 135 includes the first and second members 135a formed to have a 'V' shape; b), and the upper member 140 may include third and fourth members 140a and b formed to have a '^' shape.

In the present invention (see FIG. 2 ), the lower member and the upper member are coupled to each other, and may be coupled to each other by welding or rivets. In addition, the lower member and the upper member may be integrally formed. By extruding PVC, a cross section in which the lower member and the upper member are integrally formed can be continuously formed. As shown, the drain rail includes a lower member and an upper member, the lower member has a V-shape, and the upper member has a ^-shape, and a drainage channel is formed between them.

(Embodiment 2-3) The present invention relates to a retaining wall drainage system, and in Embodiment 2-3, each end of the third and fourth members 140a and b comprises the first and second members 135a, b) may be respectively disposed on the upper surface.

In the present invention (refer to FIG. 2), the lower member can form the first and second members of the V-shape by bending one plate, and the upper member can form the third and fourth members by bending one plate. can The bending angles of the lower member and the upper member may vary according to design specifications, and the first and second members are formed relatively wide, so that rainwater can be collected in a wider range.

(Embodiment 2-4) The present invention relates to a retaining wall drainage system, and in Embodiment 2-1, the upper member 140 may have a guide hole 155 leading to the drainage channel 110 side. .

(Embodiment 2-5) The present invention relates to a retaining wall drainage system, and in Embodiment 2-1, a guide groove 157 leading to a drainage channel may be formed at one end of the upper member 140 in the width direction. .

In the present invention (refer to FIG. 2), guide holes are formed in the third and fourth members of the upper member, respectively, and rainwater can flow to the drainage channel through the guide holes. In addition, guide grooves are formed at both ends of the upper member, and the guide grooves help discharge the rainwater collected between the lower member and the upper member.

(Embodiment 2-6) The present invention relates to a retaining wall drainage system, and in Embodiment 2-1, the first cover member 160 covering the upper portions of the upper member 140 and the lower member 135 may further include.

(Embodiment 2-7) The present invention relates to a retaining wall drainage system, and in Embodiment 2-6, the first cover member 160 may be a nonwoven fabric.

(Embodiment 2-8) The present invention relates to a retaining wall drainage system, and in Embodiment 2-8, the first cover member 160 may be a mesh type or a mesh type.

In the present invention (see Fig. 2), the upper portion of the drain rail is covered with a first cover member. The first cover member can prevent soil or foreign substances from moving toward the drainage channel through the guide hole or guide groove.

In this embodiment, the first cover member may be composed of a non-woven fabric, may be composed of a mesh or net type, may be a fiber type. Depending on the embodiment, gravel or small stones may be disposed instead of the first cover member.

(Embodiment 2-9) The present invention relates to a retaining wall drainage system, and in Embodiment 2-3, the drainage rail 115 includes a first rail 165 and a second rail 170 divided in the longitudinal direction. ), and an overlapping portion 175 may be formed in these connecting portions.

(Embodiment 2-10) The present invention relates to a retaining wall drainage system, and in Embodiment 2-9, the second rail 170 in the overlapping portion 175 is disposed on the second rail 170 A bent portion 180 may be formed at an end of the second rail 170 in the width direction to surround and fix the outside of the first rail 165 .

(Example 2-11) The present invention relates to a retaining wall drainage system, and in Example 2-9, the lower portion of the front end of the second rail 170 is seated on the lower portion of the rear end of the first rail 165. A seating groove 182 may be formed.

In the present invention (see FIGS. 6 and 7 ), the drain rail may be configured as one from the front to the rear, or at least two may be connected in an overlapping state. As shown, an overlapping portion is formed between the first rail and the second rail, and the overlapping portion is characterized.

As shown in (a) of FIG. 7 , bent portions are formed at both ends of the lower member of the second rail in the width direction, and the bent portions are bent to fix the lower member of the first rail. Here, the second rail has a structure that is seated on the first rail.

In addition, as in (b), the overlapping portion is configured with a seating groove. The seating groove is configured below the rear end of the lower member of the first rail, and the lower front end of the lower member of the second rail may be seated in the seating groove.

(Example 2-12) The present invention relates to a retaining wall drainage system, and in Example 2-1, the upper surface of the lower member 135 has a locking groove into which both ends of the upper member 140 in the width direction are inserted. 185 may be further formed.

In the present invention, referring to FIG. 9(a), locking grooves are formed on both sides of the inclined upper surface of the lower member, and both ends of the upper member in the width direction are inserted into the locking grooves so that the lower member and the upper member are coupled to each other. do. Accordingly, the upper member can be stably disposed on the lower member.

(Example 2-13) The present invention relates to a retaining wall drainage system, and in Example 2-1, the upper surface of the lower member 135 has a locking jaw ( 195, 200) may be further formed.

(Embodiment 2-14) The present invention relates to a retaining wall drainage system, and in Embodiment 2-12, the locking protrusions 195 and 200 are formed to face one surface of the upper member 140. It may be a locking jaw 195 .

(Embodiment 2-15) The present invention relates to a retaining wall drainage system, and in Embodiment 2-12, the locking protrusions 195 and 200 are formed to face the other surface of the upper member 140. It may be a locking jaw 200 .

In the present invention, referring to Figure 9 (b), the upper surface of the lower member is formed on both sides of the first locking protrusions, respectively. The first locking protrusion may have a structure in contact with the lower surface of the upper member.

In addition, referring to (b, c) of Figure 9, the upper surface of the lower member is formed on both sides, respectively, the second locking projections, the second locking projections may have a structure in contact with the upper surface of the upper member. Here, the upper surface and the lower surface have been described for convenience of description, and the upper surface and the lower surface may be referred to as a first surface and a second surface, respectively.

(Embodiment 2-16) The present invention relates to a retaining wall drainage system, and in Embodiment 2-1, the upper member 140 may have a semicircular pipe structure.

Referring to Figure 9 (d), the upper member has a semi-circular pipe structure. In addition, the lower member is formed with a drainage space in which the semi-circular pipe is seated. A guide hole is formed in such a semi-circular pipe, so that rainwater can flow toward the drain. In addition, it is preferable that the first cover member is covered on the upper portion.

(Embodiment 3-1) The present invention relates to a retaining wall drainage system. In Embodiment 1-1, the drainage rail 115 includes: a lower member 135 in which a drainage channel 110 is formed; and a coil member 205 disposed in the longitudinal direction of the drainage channel 110 .

In the present invention (see Figs. 4 and 5), the drain rail is composed of a lower member and a coil member, such a coil member can be expected to have various effects. Even if the coil is disposed inside the soil, the shape of the drain can be maintained according to the shape of the coil, and the drain rail can be completed by a simple operation of mounting the coil on the lower member.

In addition, the coil member itself can block the inflow of soil. However, since the gap between the coil and the coil becomes longer in the state in which the coil member is stretched, it is preferable to cover the nonwoven fabric on the coil member to prevent the inflow of soil.

(Embodiment 3-2) The present invention relates to a retaining wall drainage system. In Embodiment 3-1, the coil member 205 has both ends fixed to the lower member 135 in the extended state, respectively. can

(Embodiment 3-3) The present invention relates to a retaining wall drainage system, and in Embodiment 3-1, the coil member 205 may have an elastic coil spring structure.

(Example 3-4) The present invention relates to a retaining wall drainage system, and in Example 3-1, the coil member 205 is fixed to both upper ends of the lower member 135 in an extended state. A fixing part 210 may be formed.

In the present invention (see FIGS. 4 and 5 ), the coil member may have a coil spring structure that can be extended and contracted, and both ends may be fixed to the front end and the rear end of the lower member in the extended state.

In this embodiment, locking parts are formed at both ends in the longitudinal direction of the lower member, and the coil of the coil member is hooked and fixed to the locking parts. In another embodiment, a locking part may be formed in the coil member, and a locking groove may be formed in the lower member.

(Example 3-5) The present invention relates to a retaining wall drainage system, and in Example 3-1, the first cover member 160 covering the upper portions of the lower member 135 and the coil member 205 may further include.

In the present invention (see FIG. 4 ), the first cover member may be configured on the upper part of the drain rail including the lower member and the coil member. The first cover member may selectively include a nonwoven fabric, a wire mesh, and a mesh type. Gravel or the like may be applied instead of the first cover member depending on the working conditions.

(Embodiment 4-1) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, the drainage path 110 of the drainage rail 115 and the outlet 105 of the retaining wall 100 It may further include an induction cup 215 for communicating the.

In the present invention (see FIG. 15), an induction cup is further configured on the rear side of the retaining wall. The induction cup connects the drain of the drain rail and the outlet of the retaining wall, and the material may be made of PVC, metal, and/or a composite material in which a resin is coated on a plate, see FIG. 16 for its shape.

(Embodiment 4-2) The present invention relates to a retaining wall drainage system. In Embodiment 4-1, the induction cup 215 includes: an insertion part 220 inserted into the outlet 105; and a seating part 225 on which the front end of the drain rail 115 is seated.

(Embodiment 4-3) The present invention relates to a retaining wall drainage system, and in Embodiment 4-2, further comprising a second cover member 230 disposed on the rear surface of the retaining wall 100, and the insertion The part 220 may be inserted into the outlet 105 through the second cover member 230 .

In the present invention (see FIG. 16), the induction cup largely includes an insertion part and a seating part, the front of the insertion part has a structure to be inserted into the rear of the outlet of the retaining wall, and the rear side is a seating on which the lower surface of the drain rail is seated. have wealth As shown in the figure, the seating part has an open top structure, so that the drain rail can be easily mounted.

Here, the seating portion may have various shapes depending on the shape of the lower surface of the drain rail. The drain rail may have a pipe structure, and the seating portion may have a pipe shape.

(Embodiment 4-4) The present invention relates to a retaining wall drainage system, and in Embodiment 4-2, the insertion part 220 may have a pipe shape.

In the present invention (see FIG. 16 ), the insertion part has a pipe shape, and may be changed to various shapes such as a round pipe or a square pipe. In addition, the insertion part may be of a semi-circular type having a structure open to the top like the seating part.

(Embodiment 4-5) The present invention relates to a retaining wall drainage system, and in Embodiment 4-4, an induction hole 155 from the inside of the insertion part 220 to the upper side may be further formed.

(Embodiment 4-6) The present invention relates to a retaining wall drainage system, and in Embodiment 4-3, the second cover member 230 may be a nonwoven fabric, a mesh, or a mesh type.

In the present invention (refer to FIGS. 15 and 16), a separate second cover member is disposed on the rear surface of the retaining wall, and the second cover member may be mesh, net, and/or non-woven fabric, and may be gravel or sand. . This second cover member prevents soil from flowing into the outlet of the retaining wall, and also serves to induce rainwater along the rear surface of the retaining wall.

In the present invention, an induction hole is formed in the upper portion of the insertion portion, and the insertion portion of the induction cup is disposed through the second cover member, and rainwater coming down the second cover member is external through the guide hole and the outlet of the insertion portion. can be emitted as

(Embodiment 5-1) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, the drainage rails 115 may be arranged inside the soil at a set interval.

(Embodiment 5-2) The present invention relates to a retaining wall drainage system, and in Embodiment 5-1, the at least two drainage rails 115 arranged vertically may be arranged so that the upper and lower regions do not overlap. .

In the present invention (see Fig. 12), the retaining wall is arranged in the left and right width direction and the vertical height direction, the soil is backfilled behind it, and an outlet is formed from the rear surface to the front surface of the retaining wall. The outlet may be inclined at a set angle.

Corresponding to this outlet, a drainage rail is arranged in the rear inside the soil, and the two drainage rails arranged in the vertical direction do not overlap each other, so that rainwater can be collected and discharged more efficiently.

(Embodiment 5-3) The present invention relates to a retaining wall drainage system. In Embodiment 5-1, the drainage rails 115 may be arranged at intervals set in the width direction of the retaining wall 100. .

(Example 5-4) The present invention relates to a retaining wall drainage system, and in Example 5-1, a connecting member 240 for connecting the drainage rails 115 disposed at intervals in the width direction to each other is provided. In addition, the end of the connecting member 240 may be fixed to one side of the drain rail (115).

In the present invention (see Figs. 13 and 14), the drain rails are arranged at a set interval in the left and right directions of the retaining wall, and the connecting member connects them to each other in the left and right directions. Both ends of the connecting member may be respectively joined or coupled to the side surface of the drain rail, and may also be coupled through a coupling structure between the projection and the groove. In addition, a separate anchor or pile is inserted into the connecting member, and these may fix the connecting member to the soil.

(Embodiment 6-1) The present invention relates to a retaining wall drainage system, and in Embodiment 1-1, the drainage rail 115 may have a pipe structure.

(Embodiment 6-2) The present invention relates to a retaining wall drainage system. In Embodiment 6-1, the drainage rail 115 may have a cylindrical pipe structure, and a guide hole 155 from the inside to the top. can be formed.

(Embodiment 6-3) The present invention relates to a retaining wall drainage system. In Embodiment 6-1, the drainage rail 115 comprises a first rail 165 and a second rail 170 connected to each other. may include

In the present invention (refer to FIGS. 10 and 11), the drain rail may have a cylindrical pipe structure, and may include at least a first rail and a second rail in the front, and the rear end of the first rail is the front end of the second rail. can be inserted and connected to

In addition, a guide hole for collecting rainwater flowing through the soil may be formed from the center to the upper side.

(Example 6-4) The present invention relates to a retaining wall drainage system. In Example 6-2, the outer diameter of the front end of the second rail 170 is smaller than the inner diameter of the rear end of the first rail 165. it is preferable

(Example 6-5) The present invention relates to a retaining wall drainage system, and in Example 6-4, a locking hole 245 to be formed at the lower rear end of the first rail 165 is formed, and the A locking protrusion 250 inserted into the locking hole 245 may be formed at a lower portion of the front end of the second rail 170 .

In the present invention (refer to FIGS. 10 and 11), the inner diameter of the rear end of the first rail is preferably formed to be larger than the outer diameter of the front end of the second rail so that the second rail is inserted into the first rail, and the screw is fastened according to the design specification. it might be

In addition, a locking groove is formed in the lower portion of the rear end of the first rail, and a locking protrusion is formed in the lower portion of the front end of the second rail, thereby restricting their longitudinal movement.

100: retaining wall 105: outlet
110: drain 115: drain rail
165: first rail 170: second rail
120: reinforcing member 125: first fixing member
130: second fixing member 135: lower member
140: upper member 135a, b: first and second members
140a, b: third and fourth members 155: guide hole
157: guide groove 160: first cover member
230: second cover member 175: overlapping portion
180: bent part 182: seating groove
185: locking groove 195: first locking jaw
200: second locking jaw 205: coil member
210: locking part 215: induction cup
220: insertion portion 225: seating portion
240: connection member 245: locking hole
250: stumbling block

Claims (5)

Retaining wall 100 that is formed to resist backfilling and has an outlet 105 from the rear to the front on one side; and
One end includes a drainage rail 115 disposed inside the soil in correspondence with the inlet of the outlet 105;
The drain rail 115 includes a lower member 135 on which a drain 110 is formed; and an upper member 140 coupled to the lower member 135 to form the drainage channel 110 therebetween;
In the upper member 140, a guide hole 155 leading to the drain 110 is formed, and at one end of the width direction of the upper member 140, a guide groove 157 leading to the drain is formed,
and a coil member (205) disposed in the longitudinal direction of the drain (110).
The upper surface of the lower member 135 has a locking groove 185 into which both ends of the upper member 140 in the width direction are inserted; Alternatively, the locking projections 195, 200 to which both ends of the upper member 140 in the width direction are caught; are formed inside the locking groove 185 or the locking projections 195, 200 in the width direction of the upper member 140. Both ends of the lower member 135 and the upper member 140 are formed so as to be in contact with each other so that both ends are inserted or spanned,
The retaining wall 100 further includes a connecting member 240 for connecting the drain rails 115 disposed at intervals in the width direction to each other, and an end of the connecting member 240 is the drain rail 115 . Retaining wall drainage system, characterized in that fixed to one side.
delete delete The method according to claim 1,
Retaining wall drainage system, characterized in that it further comprises an induction cup (215) for communicating the drain (110) of the drainage rail (115) and the outlet (105) of the retaining wall (100).
The method according to claim 1,
The drainage rail 115 is a retaining wall drainage system, characterized in that it is arranged inside the soil at a set interval.

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