KR20190092352A - Block type reinforcement retaining wall structure and it's construction method - Google Patents

Abstract

The present invention discloses a block-type reinforced earth retaining wall structure using a strip reinforcement and a construction method thereof. The block-type reinforced earth retaining wall structure and its construction method using the disclosed strip reinforcement are provided with a coupling hole, and the through-filled rubble filling hole is formed up and down, and the plurality of the retaining walls are covered with the rear-filled soil piled up in a row. On the upper and lower surfaces of the retaining wall block to support the block and the retaining wall block is coupled to the coupling hole to support the retaining wall block to the backfilling soil, and to support the retaining wall block stacked with the block support portion rotating downward from the retaining wall block according to the settlement of the backfilling soil. It characterized in that it comprises a laminated support provided.

Description

Block type reinforced earth retaining wall structure using strip reinforcement and its construction method {BLOCK TYPE REINFORCEMENT RETAINING WALL STRUCTURE AND IT'S CONSTRUCTION METHOD}

The present invention relates to a block-type reinforced earth retaining wall structure using a strip reinforcement and a construction method thereof, and more particularly, a strip reinforcement can be easily and firmly connected to a retaining wall block using a coupling pipe passing through the strip reinforcement. Block reinforcement soil retaining wall structure using a strip reinforcement to secure the retaining wall block while preventing the breakage of the block support by rotating the strip reinforcement during the settlement of the filled soil, and a construction method thereof.

In general, the retaining wall refers to a wall which is made so that the soil of the land or incision is not collapsed or flowed due to the earth pressure. The retaining wall is a structure that is constructed to prevent ground collapse when a stable slope of the ground surface is steeper than that.

Such conventional retaining wall is formed by weaving and installing reinforcing bars in the land or incision in horizontally and vertically arranged states, and then wrapping them with formwork, then pouring concrete into the formwork and curing to form walls and walls. The back of was constructed by filling reinforcement soil including soil, crushed stone, rubble.

However, such a reinforced concrete retaining wall of the prior art has a problem that the reinforcing band is broken when the backfilling soil is settled. Therefore, there is a need for improvement.

Meanwhile, Korean Patent Publication No. 10-1285266 (Registration Date: 2013.07.05) discloses a "block type reinforced soil retaining wall".

The present invention has been made by the necessity as described above, and an object thereof is to provide a block type reinforced soil retaining wall structure and a method of construction thereof using a strip reinforcement that can be easily installed in the retaining wall block block support.

In addition, the present invention because the strip reinforcement is rotatably connected to the retaining wall block using a coupling pipe penetrating the strip reinforcement, when the backfill soil filled in the rear of the retaining wall block is settled, the strip reinforcement is rotated to prevent breakage of the block support portion. Another object is to provide a block-type reinforced earth retaining wall structure using a strip reinforcement material capable of stably supporting the retaining wall block, and a construction method thereof.

Block type reinforced earth retaining wall structure using a strip reinforcement material according to an aspect of the present invention to achieve the above object, has a coupling hole portion, and the rubble fill hole portion is formed up and down, the plurality is continuously aligned left and right A retaining wall block on which the backfilled soil is covered in the rear; and a block support unit coupled to the coupling hole to support the retaining wall block in the backfilled soil, and rotating downward from the retaining wall block according to the settlement of the backfilled soil; It characterized in that it comprises a laminated support portion provided on the upper and lower surfaces of the retaining wall block to support the retaining wall block to be stacked.

The coupling hole part may include a long groove formed in the rear surface of the retaining wall block and a mounting groove formed in the retaining wall block to be perpendicular to the long groove, and having a depth lower than that of the long groove. It is characterized by.

In addition, the block support portion is formed with a coupling hole in communication with the seating groove is inserted into the long groove, the strip reinforcement is embedded and supported in the backfilling soil, and inserted into the coupling hole is seated in the seating groove Coupled pipe; characterized in that it comprises a.

In addition, the strip reinforcement, characterized in that the lower surface is spaced apart from the bottom surface of the long groove portion is settled together in accordance with the settlement of the backfilling soil, and rotates in the retaining wall block.

In addition, the strip reinforcement, characterized in that the support ribs are formed on both sides spaced apart to increase the pull resistance and improve the frictional force with the backfilling soil.

In addition, the block type reinforced earth retaining wall structure using a strip reinforcement, the decorative panel is coupled to the mounting surface of the retaining wall block, the retaining wall block is inserted to be exposed to the mounting surface, the screw is fixed to the synthetic resin to fix the decorative panel It characterized in that it comprises a panel fixture formed by.

In addition, the decorative panel is formed longer than the length of the mounting surface is characterized in that both sides are exposed from the mounting surface.

In addition, the block-type reinforced earth retaining wall structure using a strip reinforcement is coupled to the upper surface of the retaining wall block is stacked on the top of the retaining wall block to be laminated to cover the retaining wall block, the finish is formed in a trapezoidal shape to enable a curved arrangement It further comprises a block.

In order to achieve the above object, the method of constructing a block-type reinforcement soil retaining wall structure using a strip reinforcement according to another aspect of the present invention is to partially cut the inclined surface of the road for the construction of the retaining wall block to form a cut portion in which the retaining wall block is constructed. A cutting step, a foundation forming step of placing a concrete foundation for stacking the retaining wall block on the bottom surface of the cut portion, and arranging the retaining wall blocks in one row on the concrete foundation, and the distance between the retaining wall block and the cut section After cutting the strip reinforcement to fit, forming a coupling hole in the strip reinforcement and inserting the coupling pipe into the coupling hole reinforcement installation step of coupling the strip reinforcement to the retaining wall block, and back fill the rear of the retaining wall block Covering the soil to support the strip reinforcement, and to adjust the beam to the height of the cut And a retaining wall block laminating step to proceed the re-installation step continuously, depositing a finishing block in the retaining wall blocks are stacked on top, and characterized in that it comprises a finishing step to combine the decorative panel on the front of the retaining wall blocks.

In addition, the step of installing the reinforcement is characterized in that for cutting the strip reinforcement, folding both ends of the strip reinforcement to reinforce durability, and forming the coupling hole in the folded portion of the strip reinforcement.

As described above, the block-type reinforced earth retaining wall structure and its construction method using the strip reinforcement according to the present invention has an effect that can be easily installed in the retaining wall block, unlike the prior art.

In addition, the present invention because the strip reinforcement is rotatably connected to the retaining wall block using a coupling pipe passing through the strip reinforcement, the strip reinforcement is rotated in the retaining wall block as the backfill soil filled in the rear of the retaining wall block settles. It has the effect of stably supporting the retaining wall block while preventing the breakage of the block support.

In addition, the present invention can not only improve the aesthetics of the retaining wall block by combining the decorative panel on the front surface of the retaining wall block, but also easy to assemble and dismantle when the decorative panel is damaged, and can be changed and maintained in various designs. Has

1 is a perspective view showing a block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.
Figure 2 is an enlarged exploded perspective view of the main portion showing a block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.
Figure 3 is an enlarged perspective view of the main portion showing a block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.
Figure 4 is a cross-sectional view showing a bonding state of the strip reinforcement according to an embodiment of the present invention.
5 is a perspective view showing a decorative panel and a panel fixture according to an embodiment of the present invention.
6 is a cross-sectional view showing an installation state of the decorative panel and the panel fixture according to an embodiment of the present invention.
7 is a plan view of FIG. 3.
8 is a side view showing a laminated state of the block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.
9 is an enlarged view illustrating main parts of FIG. 8.
Figure 10 is a perspective view showing the finish state of the block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.
11 is a plan view showing the installation state of the finishing block according to an embodiment of the present invention.
12 is a plan view showing another installation state of the finishing block according to an embodiment of the present invention.
13 is a flowchart illustrating a method of constructing a block type reinforced soil retaining wall structure using a strip reinforcement according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the construction method and construction method of the block-type reinforced soil retaining wall structure using a strip reinforcement according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view showing a block-type reinforced earth retaining wall structure using a strip reinforcement according to an embodiment of the present invention, Figure 2 is an enlarged decomposition of the main portion showing a block-type reinforced earth retaining wall structure using a strip reinforcement according to an embodiment of the present invention. 3 is a perspective view illustrating an enlarged main part of a block type reinforced soil retaining wall structure using a strip reinforcement according to an exemplary embodiment of the present invention.

In addition, Figure 4 is a cross-sectional view showing a coupling state of the strip reinforcement according to an embodiment of the present invention, Figure 5 is a perspective view showing a decorative panel and a panel fixture according to an embodiment of the present invention, Figure 6 Sectional view showing the installation state of the decorative panel and the panel fixture according to an embodiment of the present invention.

In addition, Figure 7 is a plan view of Figure 3, Figure 8 is a side view showing a laminated state of the block type reinforced earth retaining wall structure using a strip reinforcement according to an embodiment of the present invention, Figure 9 is an enlarged view of the main portion of FIG. .

In addition, Figure 10 is a perspective view showing the finish state of the block-type reinforced earth retaining wall structure using a strip reinforcement according to an embodiment of the present invention, Figure 11 is a plan view showing the installation state of the finish block according to an embodiment of the present invention 12 is a plan view showing another installation state of the finishing block according to an embodiment of the present invention.

1 to 12, the block type reinforced soil retaining wall structure 100 using the strip reinforcement according to an embodiment of the present invention is built on the inclined surface of the cut portion or the fill portion to prevent the soil from falling or flowing down. To this end, the block-type reinforced earth retaining wall structure 100 is a retaining wall block 110, a block support portion 120, a laminated support portion 130, a decorative panel 140, a panel fixture 150, a finishing block ( 160).

The retaining wall block 110 is stacked along the cut portion of the inclined surface and is arranged in succession vertically, and the decorative panel 140 is attached to the front surface and the block support portion 120 is coupled to the rear portion. At this time, the mounting surface 113 is formed on the front surface of the retaining wall block 110 so that the decorative panel 140 can be attached closely and easily.

Such, the retaining wall block 110 is cured by concrete, it can be produced in a variety of forms according to the terrain or the height of the block-type reinforced earth retaining wall structure 100 is installed. In addition, the retaining wall block 110 includes a coupling hole 111 for coupling the block support 120 and a rubble-filling hole 115 for permeation of rainwater.

The coupling hole 111 has a long groove 111a formed therein from the rear surface of the retaining wall block 110 and a seating groove 111b formed to be perpendicular to the long groove 111a. At this time, the long groove 111a guides the block support 120, and the seating recess 111b has a function of fixing the block support 120.

In addition, the coupling hole 111 has a depth (D1) of the long groove 111a is formed deeper than the depth (D2) of the seating groove (111b), which is the block supporting portion 120 is settled in accordance with the settlement of the backfilling soil When the retaining wall block 110 to secure a space to move.

As such, the retaining wall block 110 is arranged in a row from side to side on the bottom of the construction site, the block support portion 120 is coupled, and after the backfilling soil is covered, and stacked in a zigzag manner. In addition, when the retaining wall block 110 is stacked in a zigzag manner, the retaining wall block 110 is stably supported up and down by the stack support 130.

The stacked support 130 includes a support protrusion 131 protruding from the upper surface of the retaining wall block 110 and a support groove 133 formed on the lower surface of the retaining wall block 110. The laminated support part 130 is inserted into the support groove part 133 of the other retaining wall block 110 in which the support protrusion 131 of the retaining wall block 110 is stacked.

The block supporting part 120 is seated through the strip reinforcing material 121 inserted into the long groove 111a so as to be embedded in the backfilling soil, and through the strip reinforcing material 121 to fix the strip reinforcing material 121 to the retaining wall block 110. The coupling pipe 123 is coupled to the groove 111b.

Both ends of the strip reinforcement 121 are inserted into the long grooves 111a, and coupling holes 121a into which the coupling pipes 123 are inserted are formed. The strip reinforcement 121 is made of synthetic resin, and is rotated in the long groove 111a based on the coupling pipe 123. To this end, the strip reinforcing member 121 has a width W1 smaller than the depth D1 of the long groove 111a and is spaced apart from the bottom surface of the long groove 111a.

That is, the strip reinforcement 121 is a block-type reinforced soil retaining wall structure 100 is constructed or if the settlement of the backfilling soil in the process of covering the backfilling soil to stack the retaining wall block 110, the backfilling soil and It is to be settled together to rotate in the retaining wall block (110). This makes it possible to prevent damage due to settlement of the backfill soil.

In addition, the strip reinforcing material 121 is cut and used at the construction site of the retaining wall block 110 according to the topography of the terrain or the backfill soil of the retaining wall block 110 is installed, the coupling hole 121a is also a condition of the construction site As per the field is drilled.

In addition, the strip reinforcement 121 is provided with support ribs 121b spaced apart from each other so that the frictional force with the backfilling soil is increased and the drawing resistance is improved. The support ribs 121b protrude from both sides of the strip reinforcement 121.

The coupling hole 121a of the strip reinforcement 121 is drilled in a folded state so that the ends of the strip reinforcement 121 overlap. As such, folding the strip reinforcement 121 to form the coupling hole 121a is to ensure durability of the strip reinforcement 121 in which the coupling hole 121a is formed. The coupling pipe 123 is inserted into the coupling hole 121a.

The coupling pipe 123 is inserted into the coupling hole 121a of the strip reinforcing material 121 and inserted into the seating groove 111b. Through the coupling pipe 123, the strip reinforcement 121 can be easily coupled to the retaining wall block 110. For this reason, the workability of the block support part 120 can be improved.

Although the coupling pipe 123 is shown to be hollow in the present embodiment, the coupling pipe 123 may be manufactured in the form of a round bar.

In addition, the block support unit 120 according to the present embodiment further includes a strip fixing member 125 to support the strip reinforcement 121 firmly and stably to the backfilling soil.

Strip fixing member 125 is formed in the form of "∩" to have a fixing groove (125a) is supported by the strip reinforcement 121 is inserted, it is embedded in the back-filled soil through the impact of the striking rod or hammer. In addition, the wedge portion 125b is formed so that the strip fixing member 125 is easily embedded in the earth and sand, and the support plate 125c protrudes from the side surface. The support plate 125c prevents the strip fixing member 125 from sinking and moving in the backfilling soil.

The strip fixing member 125 according to this embodiment prevents the strip reinforcing material 121 standing so as to be supported by the backfilling soil to fall down during the cover work of the backfilling soil.

The decorative panel 140 is coupled to the front surface of the retaining wall block 110 according to the present embodiment. The decorative panel 140 is coupled to the mounting surface 113 of the retaining wall block 110 by the panel fixture 150 to decorate the front surface of the retaining wall block 110.

The decorative panel 140 may be manufactured by at least one of a bituminous stone, a wooden panel, a synthetic resin panel, and is coupled to the panel fixture 150 through a screw or bolt. In particular, the decorative panel 140 is wider than the width of the mounting surface 113 is formed so that both ends protrude from the mounting surface (113).

The panel fixtures 150 are provided on both sides of the mounting surface 113 of the retaining wall block 110, and are manufactured by synthetic resin to easily couple screws or bolts. In particular, the panel fixture 150 is inserted into the retaining wall block 110 to be more firmly coupled to the retaining wall block 110. For example, when the retaining wall block 110 is cured by concrete, the panel fixing tool 150 is cured with the embedded state. Through this, it is possible to prevent the panel fixture 150 from being led to the outer surface of the retaining wall block 110, thereby preventing the panel fixture 150 from being damaged when the retaining wall block 110 is transported or stacked.

The panel fixture 150 according to the present embodiment is formed in a "Γ" shape, one side is exposed to the front surface of the retaining wall block 110.

Meanwhile, using the strip reinforcement Block type Reinforcement soil  The retaining wall structure 100 is between the retaining wall blocks 110 stacked up and down. Geogrid  You can also construct more.

Hereinafter, the operation of the block-type reinforced soil retaining wall structure according to an embodiment of the present invention configured as described above.

First, the retaining wall blocks 110 are arranged in a line on a construction site such as a cut surface of a pit land or a slope, and the block supporting portion 120 is coupled to the retaining wall blocks 110, followed by the height of the retaining wall blocks 110. Filled soil is covered to bury the strip reinforcement 121 of the block support portion 120.

In particular, the length of the strip reinforcing material 121 is cut to suit the conditions of the construction site, and the coupling holes 121a for insertion of the coupling pipe 123 are drilled at both ends. Then, the coupling pipe 123 is inserted into the coupling hole 121a, and the coupling pipe 123 is coupled to the seating groove 111b so that the strip reinforcement 121 is inserted into the long groove 111a.

At this time, since the depth (D1) of the long groove 111a is formed smaller than the width (W1) of the strip reinforcing material 121, the strip reinforcing material 121 is rotatable in the retaining wall block (110) by the settlement of the backfilling soil The strip reinforcement 121 is prevented from contacting the retaining wall block 110 and being deformed or broken.

Thereafter, another retaining wall block 110 is stacked in a zigzag form on the top surface of the first retaining wall block 110 to position the second retaining wall block 110, and then, the strip reinforcing material 121 is coupled. At this time, the support protrusion 131 is inserted into the support groove 133 to support the retaining wall block 110 stacked up and down.

In addition, when the stacking of the retaining wall block 110 is completed, the retaining wall block 110 is decorated in various shapes by coupling the decorative panel 140 to the front of the retaining wall block 110. At this time, the panel fixture 150 is integrally inserted into the retaining wall block 110 while being prevented from protruding to the outside of the retaining wall block 110, thus deforming the panel fixture 150 when the retaining wall block 110 is stored or moved. As well as preventing damage can be easily coupled to the decorative panel 140. In addition, the decorative panel 140 can be easily replaced, so that the design can be changed and the maintenance can be easily performed.

The construction method of the block-type reinforced soil retaining wall structure using the strip reinforcement according to the present invention will be described.

1 to 13, the method for constructing a block-type reinforced soil retaining wall structure using a strip reinforcement according to the present invention is a cut step (S10), the foundation portion forming step (S20), the reinforcing material installation step (S30), and the retaining wall Block stacking step (S40), and finishing step (S50).

Cutting step (S10) forms a cut by partially cutting the inclined surface of the road or incision for the construction of the retaining wall block 110. At this time, the bottom surface of the cut portion excavates a road or an incision to a specific depth so that the foundation portion forming step (S20) can proceed.

Foundation part forming step (S20) pours the concrete foundation for the lamination of the retaining wall block 110 in the bottom pit of the cut portion. In the foundation portion forming step (S20) to prevent the settlement of the retaining wall block 110 is stacked through the curing of the concrete foundation portion.

When the curing of the concrete foundation is completed, the retaining wall block 110 is arranged in one row on the concrete foundation and the strip reinforcement 121 is installed to support the retaining wall block 110 to proceed with the installation step (S30).

Reinforcement installation step (S30) is to cut the strip reinforcement 121 in accordance with the distance of the retaining wall block 110 and the cut portion disposed in a row on the concrete foundation, to form a coupling hole (121a) in the strip reinforcement (121), The coupling pipe 123 is inserted into the coupling hole 121a to be coupled to the coupling hole 111 of the retaining wall block 110. This reinforcement installation step (S30) proceeds to be able to install the strip reinforcement 121 to all the retaining wall block 110 is arranged and stacked in sequence.

In particular, the reinforcing material installation step (S30), the coupling hole in the folded portion in the folded state of both ends of the strip reinforcing material 121 to reinforce the durability of both ends of the strip reinforcing material 121 forming the coupling hole (121a) It forms 121a. Therefore, even if the coupling hole 121a is formed in the strip reinforcing material 121, the tensile strength of the portion is prevented from being lowered.

In addition, when the coupling hole 121a is formed in the strip reinforcement 121, heat is applied to the strip reinforcement 121 by using a heating rod or the like. Through this, the drilling of the coupling hole 121a may be facilitated, and the inner surface of the coupling hole 121a may be smoothly finished.

Retaining wall block stacking step (S40) after the construction of the strip reinforcement 121, covering the back-filled soil to the rear of the retaining wall block 110 to support the strip reinforcement 121, rubble rubble in the rubble-filling hole 115 Fill it. In addition, in the retaining wall block stacking step (S40), the retaining wall block 110 is laminated according to the height of the cut portion while continuing the reinforcement installation step (S30) every time the retaining wall block 110 is stacked.

Finishing step (S50) is laminated to the finishing block 160 on the retaining wall block 110 is stacked on the top, and combines the decorative panel 140 on the mounting surface 113 of the retaining wall block 110.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

100: block type reinforced earth retaining wall 110: retaining wall block
111: coupling hole 111a: long groove
111b: mounting groove 113: pin coupling hole
120: block support 121: strip reinforcement
121a: engagement hole 121b: support rib
123: coupling pipe 125: strip fixing member
125a: fixing groove 130: laminated support
140: decorative panel 150: panel fixture
160: finishing block

Claims (4)

Retaining wall block having a coupling hole portion, the rubble filling hole portion is formed in the vertical direction, the plurality of the left and right are aligned in succession to the left and right to cover the backfill soil; A block support part coupled to the coupling hole to support the retaining wall block to the backfilling soil, and rotate downward from the retaining wall block according to the settlement of the backfilling soil; And a laminated support part provided on upper and lower surfaces of the retaining wall block to support the retaining wall block being stacked.
The coupling hole portion, the elongated groove portion formed inward from the rear surface of the retaining wall block; And a seating groove formed in the retaining wall block to be perpendicular to the long groove, and having a depth lower than that of the long groove.
The block support unit, a strip reinforcing member is formed in communication with the seating groove portion is inserted into the long groove, embedded in the backfill soil and supported; A coupling pipe inserted into the coupling hole and seated on the seating groove; And a strip fixing member for supporting the strip reinforcement on the backfill soil.
The strip reinforcing member is rotated in the retaining wall block while the lower surface is spaced apart from the bottom surface of the long groove portion and settled together with the settlement of the backfilled soil, and both sides to increase the pull resistance and to improve friction with the backfilled soil. Block-type reinforcement earth retaining wall structure using a strip reinforcement, characterized in that the support ribs are spaced apart.
The method of claim 1,
A decorative panel coupled to the mounting surface of the retaining wall block; And
And a panel fixing tool inserted into the retaining wall block so as to be exposed to the mounting surface, and formed by a synthetic resin to fix the decorative panel by screws.
The decorative panel is formed longer than the length of the mounting surface block reinforcement earth retaining wall structure using a strip reinforcement, characterized in that both sides are exposed from the mounting surface.
The method of claim 1,
Is coupled to the upper surface of the retaining wall block is stacked on the top of the retaining wall block is laminated to cover the retaining wall block, using a strip reinforcement characterized in that it further comprises a finishing block formed in a trapezoidal shape to enable a curved arrangement Block type reinforced earth retaining wall structure.
A construction method using the block type reinforced earth retaining wall structure of any one of claims 1 to 3,
A cutting step of partially cutting the inclined surface for construction of the retaining wall block to form a cut portion in which the retaining wall block is constructed; A foundation portion forming step of placing a concrete foundation portion for laminating the retaining wall block on the bottom surface of the cut portion; After arranging the retaining wall blocks in one row on the concrete foundation, cutting the strip reinforcement material according to the distance between the retaining wall block and the cut portion, forming a joining hole in the strip reinforcing material and inserting a joining pipe into the joining hole. Reinforcing material installation step of coupling the strip reinforcement to the retaining wall block; A retaining wall block stacking step of supporting the strip reinforcement by covering the backfilled soil in the rear of the retaining wall block, and continuing the reinforcement installation step according to the height of the cut portion; And a finishing step of stacking a finishing block on the retaining wall block stacked on the top and coupling a decorative panel to the front surface of the retaining wall block.
The reinforcing member installation step, cutting the strip reinforcement, folding both ends of the strip reinforcement to reinforce the durability, the block type using the strip reinforcement, characterized in that forming the coupling hole in the folded portion of the strip reinforcement Reinforced soil retaining wall construction method

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