KR102621973B1 - Apparatus for connecting retaining wall panel, panel-type retaining wall and construction method of panel-type retaining wall - Google Patents

Abstract

According to one aspect of the present invention, a retaining wall panel connecting device for fixing the retaining wall panel by connecting an anchor body inserted and fixed into an inclined surface so that one end is exposed and a retaining wall panel installed on the front of the inclined surface, wherein one end is connected to the retaining wall panel. a panel connecting member that is fixed and extends in the horizontal direction, with the other end facing the anchor body; A connector including a first coupler in which a first female screw part is formed so that one end of the anchor body is screwed together, and a second coupler in which a second female screw part is formed toward the retaining wall panel and bent at the first coupler; a fixture having a first male thread portion screwed to the second female thread portion of the connector, an adhesive plate formed behind the first male thread portion, and a second male thread portion protruding from the center of the adhesive plate; A first support part formed with a through hole through which the second male thread of the fixture passes and in close contact with the adhesive plate, and a plurality of fasteners extending from the first support part and spaced at regular intervals so that the other end of the panel connecting material selectively penetrates. A separation distance adjuster having a first extension portion formed; A retaining wall panel connecting device is provided, including a fixing nut screwed to the second male screw portion penetrating the through hole of the first support portion.

Description

Retaining wall panel connecting device, panel-type retaining wall, and panel-type retaining wall construction method {Apparatus for connecting retaining wall panel, panel-type retaining wall and construction method of panel-type retaining wall}

The present invention relates to a retaining wall panel connecting device, a panel-type retaining wall, and a panel-type retaining wall construction method. More specifically, by separating the anchor body and the panel connector and arranging the separation distance adjuster, the retaining wall panel can be firmly connected to the anchor body through the panel connector even if a separation distance is created between the anchor body and the panel connector extending from the retaining wall panel. It relates to a retaining wall panel connection device, a panel-type retaining wall, and a panel-type retaining wall construction method.

A retaining wall is a wall structure installed to resist soil pressure from the back and prevent the soil behind it from collapsing. Retaining walls can generally be divided into gravity-type retaining walls, anti-gravity retaining walls, inverted T-type retaining walls, L-type retaining walls, and buttress-type retaining walls, depending on their structure and form. In addition, special types such as reinforced soil retaining walls and panel-type retaining walls are known. .

A reinforced soil retaining wall is a retaining wall that strengthens the ground by laying or inserting reinforcing materials into the soil, causing interaction between the soil and the reinforcing materials, thereby increasing the strength of the entire soil body on the cut or embankment slope and increasing stability.

The panel-type retaining wall reinforces the inside of the cut with anchors such as nails and earth anchors installed at regular intervals, connects the retaining wall panels to panel connectors extending from each anchor, and installs multiple retaining wall panels up, down, left, and right to form the front wall. After forming, it is a retaining wall that resists horizontal earth pressure by filling the backfill between the front wall and the cut section and tensioning the panel connector to apply pressure to the backfill.

However, in the construction method of a panel-type retaining wall according to the prior art, anchor bodies must be formed on the slope of the cut part equal to the number of retaining wall panels forming the front wall, and panel connectors extending obliquely from each anchor body must be formed to correspond to the number of retaining wall panels forming the front wall. It must be installed in the joint hole of the retaining wall panel, but due to errors in the installation and construction of the anchor, the gap between the panel connector and the joint hole of the retaining wall panel may be misaligned and forced to join, resulting in poor construction.

Republic of Korea Patent Publication No. 10-1105092 (announced on January 17, 2012)

The present invention separates the anchor body and the panel connecting material and arranges the separation distance adjuster, so that the retaining wall panel can be firmly connected to the anchor body through the panel connecting material even if a separation distance is created between the anchor body and the panel connecting material extending from the retaining wall panel. The purpose is to provide a retaining wall panel connection device, a panel-type retaining wall, and a panel-type retaining wall construction method.

According to one aspect of the present invention, a retaining wall panel connecting device for fixing the retaining wall panel by connecting an anchor body inserted and fixed into an inclined surface so that one end is exposed and a retaining wall panel installed on the front of the inclined surface, wherein one end is connected to the retaining wall panel. a panel connecting member that is fixed and extends in the horizontal direction, with the other end facing the anchor body; A connector including a first coupler in which a first female screw part is formed so that one end of the anchor body is screwed together, and a second coupler in which a second female screw part is formed toward the retaining wall panel and bent at the first coupler; a fixture having a first male thread portion screwed to the second female thread portion of the connector, an adhesive plate formed behind the first male thread portion, and a second male thread portion protruding from the center of the adhesive plate; A first support part formed with a through hole through which the second male thread of the fixture passes and in close contact with the adhesive plate, and a plurality of fasteners extending from the first support part and spaced at regular intervals so that the other end of the panel connecting material selectively penetrates. A separation distance adjuster having a first extension portion formed; A retaining wall panel connecting device is provided, including a fixing nut screwed to the second male screw portion penetrating the through hole of the first support portion.

A male threaded portion is formed at the other end of the panel connecting member, and may further include a fastening nut screwed to the male threaded portion of the panel connecting member that penetrates the selected fastener.

The first coupler may have a square outer peripheral surface to enable tightening with a wrench.

The fixture may have a tightening portion having a square outer peripheral surface interposed between the first male screw portion and the adhesive plate to allow tightening with a wrench.

A plurality of irregularities in the radial direction may be formed on the opposing surface of at least one of the adhesive plate and the first support portion.

The first extension may be formed with a plurality of step parts whose thickness decreases from the first support part toward an end of the first extension part, and the fastener may be formed on each of the plurality of step parts.

A concave groove is formed around the fastener, and a convex portion corresponding to the concave groove may be formed on the fastening nut.

An anchor body reinforcement device comprising a second support portion in which a through hole through which one end of the anchor body penetrates is formed, and a plurality of second extension portions in which a plurality of fasteners are formed at regular intervals and extending in a radial direction from the second support portion. may further include.

A plurality of the anchor bodies are formed at regular intervals, and the anchor body reinforcements are respectively coupled to each of the anchor bodies, and both ends are respectively coupled to the second extension parts of the anchor body reinforcements adjacent to each other, or are coupled to each other. Additional reinforcing strips may be included.

A plurality of fasteners are formed along the longitudinal direction of the reinforcing wale, and a retaining wall panel of a different shape from the retaining wall panel may be coupled to the fastener through a panel connector.

According to another aspect of the present invention, an anchor body inserted and fixed to an inclined surface so that one end is exposed; a retaining wall panel installed in front of the slope; a retaining wall panel connecting device that connects the anchor body and the retaining wall panel to secure the retaining wall panel; A panel-type retaining wall is provided, including backfill material that fills between the slope and the retaining wall panel.

According to another aspect of the present invention, installing an anchor body so that one end is exposed to the slope of the cut part; Installing a retaining wall panel on the front of the slope; The second coupler of the connector includes a first coupler in which a first female thread is formed so that one end of the anchor body is screwed, and a second coupler in which a second female thread is formed and bent at the first coupler. coupling the connector to the anchor body by screwing a first coupler of the connector to one end of the anchor body so that it faces the retaining wall panel; setting the panel connector horizontally to install one end of the panel connector on the retaining wall panel and confirming whether the other end of the panel connector corresponds to the second coupler; When the other end of the panel connector does not correspond to the second coupler and is spaced apart, a first male screw portion, an adhesive plate formed at the rear of the first male thread portion, and a second male screw protruding from the center of the adhesive plate coupling the fixture to the connector by screwing the first male thread of the fixture having a portion to the second female thread of the connector; A spaced space including a first support part in which a through hole is formed and in close contact with the adhesive plate, and a first extension part extending from the first support part and having a plurality of fasteners at regular intervals so that the other end of the panel connector selectively penetrates. temporarily assembling the spacing distance adjuster by passing a second male thread of the fixture through the through hole of the distance adjuster and screwing a fixing nut; setting the position of the distance adjuster by rotating the distance adjuster so that one of the plurality of fasteners of the distance adjuster corresponds to the other end of the panel connector and screwing the fixing nut; Penetrating the other end of the panel connector into a selected fastener among a plurality of fasteners of the distance adjuster and fastening a fastening nut; A panel-type retaining wall construction method is provided, including the step of fixing one end of the panel connecting material to the retaining wall panel.

When the other end of the panel connecting member corresponds to the second coupler, screwing the other end of the panel connecting member to the second female thread of the second coupler; It may include the step of fixing one end of the panel connector to the retaining wall panel.

The first coupler of the connector has a square outer peripheral surface to enable tightening with a wrench, and the step of coupling the connector is performed by rotating the connector by coupling the wrench to the square outer peripheral surface of the first coupler. You can.

The fixture includes a tightening portion having a square outer peripheral surface to enable tightening with a wrench between the first male screw portion and the adhesive plate, and the step of coupling the fixture to the connector comprises: This can be performed by rotating the fixture by engaging the wrench.

A plurality of irregularities in the radial direction may be formed on each of opposing surfaces of the adhesive plate and the first support portion.

The first extension may be formed with a plurality of step parts whose thickness decreases from the first support part toward an end of the first extension part, and the fastener may be formed on each of the plurality of step parts.

A concave groove is formed around the fastener, and a convex portion corresponding to the concave groove may be formed on the fastening nut.

After the step of installing the anchor body, the anchor body includes a second support portion in which a through hole is formed, a plurality of fasteners at regular intervals are formed, and a plurality of second extension portions extend radially from the second support portion. It may further include penetrating one end of the anchor body through the through hole of the reinforcing hole and fixing the anchor body reinforcing hole.

The step of fixing the anchor body reinforcement may be performed by coupling the connector or fixing nut to an end of the anchor body that penetrates the through hole of the second support part.

The anchor body is formed in plural pieces at regular intervals, and the step of coupling both ends of the reinforcing wales to the second extensions of the anchor body reinforcements that are adjacent to each other, or coupling the reinforcing wales to each other may be further included. .

The step of erecting the retaining wall panel includes the step of stacking and erecting retaining wall panels of different sizes, and attaching the other end of the panel connector erected from the retaining wall panels of different sizes to any of the plurality of fasteners of the reinforcing strip. It can be fastened to one fastener.

According to an embodiment of the present invention, the anchor body and the panel connecting material are separated and the separation distance adjuster is placed, so that even if a separation distance is created between the anchor body and the panel connecting material extending from the retaining wall panel, the retaining wall panel is secured to the anchor body through the panel connecting material. It can be connected easily.

Figure 1 is a schematic view of a panel-type retaining wall provided with a retaining wall panel connection device according to an embodiment of the present invention.
Figure 2 is a view showing an assembled state of a retaining wall panel connection device according to an embodiment of the present invention.
Figure 3 is a view showing an exploded state of a retaining wall panel connecting device according to an embodiment of the present invention.
Figure 4 is a view from above of the separation distance adjuster of the retaining wall panel connecting device according to an embodiment of the present invention.
Figure 5 is a side view of the separation distance adjuster of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 6 is a view showing the separation distance corresponding range of the separation distance adjuster of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 7 is a modified example of a retaining wall panel connecting device according to an embodiment of the present invention.
Figure 8 is a view from above of the corner portion of the panel-type retaining wall.
Figure 9 is a view from above of the anchor body reinforcement and reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 10 is a side view of the anchor body reinforcement and reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 11 is a side view of the combined state of the anchor body reinforcement and the reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 12 is a front view of the combined state of the anchor body reinforcement and the reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 13 is a view showing the use state of the anchor body reinforcement and reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.
Figure 14 is a flowchart of a panel-type retaining wall construction method according to another embodiment of the present invention.

Since the present invention can be modified in various ways and can have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all transformations, equivalents, and substitutes included in the spirit and technical scope of the present invention. In describing the present invention, if it is determined that a detailed description of related known technologies may obscure the gist of the present invention, the detailed description will be omitted.

Hereinafter, embodiments of the retaining wall panel connecting device, the panel-type retaining wall, and the panel-type retaining wall construction method according to the present invention will be described in detail with reference to the attached drawings. In the description with reference to the attached drawings, the same or corresponding components will be assigned the same drawing number and overlapping description will be omitted.

Figure 1 is a diagram schematically showing a panel-type retaining wall provided with a retaining wall panel connection device according to an embodiment of the present invention.

Base concrete (11), anchor body (12), nail material (14), grouting (16), retaining wall panel (20), slope (22), backfill material (26), connection device (27), panel connection material (28) ) is shown.

Before describing the retaining wall panel connecting device 27 according to this embodiment in detail, let us look at the panel-type retaining wall provided with the retaining wall panel connecting device 27.

The panel-type retaining wall according to this embodiment includes an anchor body 12 inserted and fixed to the inclined surface 22 so that one end is exposed; A retaining wall panel (20) installed in front of the slope (22); A retaining wall panel connecting device (27) according to any one of claims 1 to 10, which connects the anchor body (12) and the retaining wall panel (20) to secure the retaining wall panel (20); It includes backfill 26 that fills the space between the slope 22 and the retaining wall panel 20.

The anchor body 12 is inserted and fixed into the interior of the slope 22 of the cut portion to increase the strength of the cut portion. The shape of the anchor body 12 may include anchors, underground bolts, nailing, etc. depending on the soil quality of the cut portion.

In this embodiment, the description will focus on nailing as the anchor body 12. Explaining the method of constructing the anchor body 12 with nailing, anchor holes for nailing construction are drilled at regular intervals along the cut slope 22 using a drilling machine. After inserting nail material (14) such as a general nail, screw rebar, rock bolt, etc. into each anchor hole, the entrance of the anchor hole is closed, and grouting (16) is injected and hardened to form a cut. An anchor body 12 is formed.

An acupressure plate 18 is installed at the end of the nail material 14 at the entrance to the anchor hole, and a fixing nut 24 for fixing the acupressure plate 18 may be coupled to the end of the nail material 14.

If a male thread is formed on the outer peripheral surface of the nail material 14, such as a screw rebar or a rock bolt, the fixing nut 24 can be tightened immediately. However, if there is no male thread such as a general nail, a screw forming auxiliary tool such as a liner screw is used to tighten the fixing nut. (24) can be concluded. Meanwhile, it is also possible to screw the connector 30, which will be described later, to the nail material 14 without using the fixing nut 24.

In this embodiment, for convenience of construction such as screw connection, a screw rebar with a male thread formed on the outer circumferential surface is used as the nail material 14.

A plurality of retaining wall panels 20 are installed up, down, left and right on the front of the cut slope 22 to form the front wall of the panel-type retaining wall. A plurality of retaining wall panels 20 may be installed equal to the number of anchor bodies 12 to correspond to each anchor body 12. In this embodiment, a square-shaped retaining wall panel 20 is installed on each anchor body. In response to (12), they are stacked up, down, left and right to form the front wall. However, if necessary, if the front wall of the side end of the panel-type retaining wall is formed in an inclined shape, the triangular-shaped retaining wall panel 20 may be combined.

The lowest retaining wall panel 20 can be stacked on the foundation concrete 11 placed on the slope front of the cut section.

Meanwhile, in this embodiment, a precast retaining wall panel 20 made of concrete is presented, but it is also possible for irregular structures such as landscaping blocks and landscaping stones to be used as the retaining wall panel 20.

The retaining wall panel connecting device 27 is a device that connects and secures the retaining wall panel 20 to the anchor body 12, and connects each anchor body 12 and the corresponding retaining wall panel 20 to connect the retaining wall panel 20 to the anchor body 12. ) is supported on the anchor body (12).

The retaining wall panel connecting device 27 according to this embodiment separates the panel connecting material 28 from the nail material 14 of the anchor body 12, and connects the retaining wall panel through the panel connecting material 28 that is placed approximately horizontally. (20) was configured to be fixed to the anchor body (12).

The backfill 26 fills the space between the slope 22 and the retaining wall panel 20. When each retaining wall panel 20 is interconnected by the retaining wall panel connecting device 27 and connected to the corresponding anchor body 12 to form a front wall, high-quality soil, etc. is compacted between the front wall and the cut portion. Carry out backfilling.

After the backfilling is completed, tension is applied to the panel connectors 28 exposed to each retaining wall panel 20 so that the retaining wall panel 20 applies compressive force to the backfilling material 26 and settled. Accordingly, after the panel connecting material 28 is fixed, a tensile force is generated in the panel connecting material 28.

Below, the retaining wall panel connecting device 27 will be described in detail.

Figure 2 is a diagram showing the assembled state of the retaining wall panel connecting device 27 according to an embodiment of the present invention, and Figure 3 shows the disassembled state of the retaining wall panel connecting device 27 according to an embodiment of the present invention. It is a drawing. And, Figure 4 is a view from above of the separation distance adjuster 34 of the retaining wall panel connecting device 27 according to an embodiment of the present invention, and Figure 5 is a retaining wall panel connecting device according to an embodiment of the present invention ( 27) is a view of the separation distance adjuster 34 from the side, and Figure 6 shows the distance corresponding range of the separation distance adjuster 34 of the retaining wall panel connecting device 27 according to an embodiment of the present invention. It is a drawing. And, Figure 7 is a modified example of the retaining wall panel connecting device 27 according to an embodiment of the present invention.

2 to 7, the anchor body 12, the nail material 14, the grouting 16, the pressure plate 18, the retaining wall panel 20, the cut boundary surface 21, the inclined surface 22, and the fixing nut 24. , 36), backfill (26), connecting device (27), panel connecting material (28), connecting piece (30), fixture (32), separation distance adjuster (34), fastening nut (38), convex portion (39) ), first female threaded portion 40, first coupler 42, second female threaded portion 44, second coupler 46, first male threaded portion 48, fastener 50, adhesive plate (52), second external thread portion (54), unevenness (56), first support portion (58), first extension portion (60), step portion (61), concave groove (62), through hole (64), A fastener 66 is shown.

The retaining wall panel connecting device 27 according to this embodiment connects the anchor body 12, which is inserted and fixed to the inclined surface 22 so that one end is exposed, and the retaining wall panel 20 installed on the front of the inclined surface 22 to form a retaining wall. A retaining wall panel connecting device 27 for fixing a panel 20, comprising: a panel connecting member 28, one end of which is fixed to the retaining wall panel 20, extending in the horizontal direction, and the other end facing the anchor body 12; A first coupler 42 in which a first female thread 40 is formed so that one end of the anchor body 12 is screwed together, and a second female thread 44 is formed toward the retaining wall panel 20 and the first coupler is connected. A connector 30 having a second coupling member 46 bent at the sphere 42; A first male threaded portion 48 screwed to the second female threaded portion 44 of the connector 30, an adhesive plate 52 formed at the rear of the first male threaded portion 48, and the adhesive plate 52. a fixture 32 having a second external thread portion 54 protruding from the central portion; A first support portion 58 formed with a through hole 64 through which the second male screw portion 54 of the fixture 32 penetrates and in close contact with the adhesive plate 52, and a panel connector extending from the first support portion 58 A spacing distance adjuster 34 having a first extension portion 60 on which a plurality of fasteners 66 at regular intervals are formed so that the other end of (28) selectively penetrates; It includes a fixing nut 36 screwed to the second male thread portion 54 penetrating the through hole 64 of the first support portion 58.

As described above, the retaining wall panel connecting device 27 according to the present embodiment separates the panel connecting material 28 from the nail material 14 of the anchor body 12, and connects the panel connecting material 28 approximately horizontally. The arrangement facilitates the installation of the retaining wall panel 20. In particular, during the construction of the anchor body 12 and the retaining wall panel 20, construction errors, etc. occur, causing the end of the panel connector 28 extending horizontally from the retaining wall panel 20 and the end of the anchor body 12. Even if a separation distance occurs due to misalignment, the panel connector 28 can be easily coupled to the anchor body 12.

The panel connecting member 28 is installed so that one end is fixed to the retaining wall panel 20, extends in the horizontal direction, and the other end faces the anchor body 12. A tensile force is generated in the panel connecting material 28 by the backfilling material 26 during use, and a wire material that can withstand this tensile force is used. For example, the panel connecting material 28 may be a deformed reinforcing bar, a screw reinforcing bar with a male thread formed on the outer peripheral surface, a PC strand, a PC steel bar, etc. In this embodiment, considering the convenience of screw connection, etc., a form using a screw rebar with male threads formed on the outer peripheral surface as the panel connecting material 28 is presented.

The connector 30 includes a first coupler 42 in which a first female thread 40 is formed so that one end of the anchor body 12 is screwed together, and a second female thread 44 toward the retaining wall panel 20. is formed and has a second coupler 46 bent at the first coupler 42.

The connector 30 is configured to directly or indirectly connect the above-described panel connector 28 and the anchor body 12. The first coupler 42 of the connector 30 is screwed to one end of the anchor body 12, and the panel connector 28 is directly connected to the second coupler 46 as shown in FIG. 7, or As shown in Figure 2, the fixture 32 and the separation distance adjuster 34, which will be described later, may be combined.

In this embodiment, a screw rebar is used as the nail material 14 of the anchor body 12, and a male thread is formed on the outer peripheral surface of the screw rebar, so that the first female thread of the first coupler 42 is connected to the male thread of the screw rebar. With the parts 40 engaged, the connector 30 is rotated and coupled to the end of the anchor body 12. If the anchor body 12 does not have a male thread such as a deformed reinforcing bar, the connector 30 can be coupled to one end of the anchor body 12 by placing a thread forming auxiliary tool such as a liner screw at the end of the nail material 14.

Referring to FIG. 1, the anchor body 12 is inserted and fixed at a certain angle to the cut surface 22, and the panel connecting material 28 is placed in an approximately horizontal direction, so the anchor body 12 and the panel connecting material 28 It has an obtuse angle of inclination, and when the first coupler 42 is screwed to the end of the anchor body 12, the second coupler 46, in which the second female screw portion 44 is formed, is connected to the retaining wall panel 20. ) The second coupler 46 has a bent shape from the first coupler 42.

A plurality of connectors 30 having different bending angles between the first coupler 42 and the second coupler 46 may be provided to correspond to the angle of the slope 22 of the cut surface being constructed.

In order to facilitate screw coupling of the connector 30 after construction of the anchor body 12, the outer peripheral surface of the first connector 42 may be formed in a square shape to enable tightening with a wrench, in this embodiment. In order to facilitate the coupling of the wrench, the outer peripheral surface of the first coupler 42 is presented in a hexagonal shape.

The fixture 32 includes a first male thread portion 48 screwed to the second female thread portion 44 of the connector 30, an adhesive plate 52 formed at the rear of the first male thread portion 48, and It is provided with a second external thread portion 54 protruding from the center of the adhesive plate 52.

The fixture 32 is a medium for installing the separation distance adjuster 34, which will be described later, to face the retaining wall panel 20 located at the front. As described above, the anchor body 12 is inserted and fixed at a certain inclination to the cut surface 22, and the panel connecting material 28 is placed in a substantially horizontal direction, so the panel connecting material 28 entering in the horizontal direction is spaced apart. In order to respond to each distance, the fastener 66 of the separation distance adjuster 34 must be facing the retaining wall panel 20, and the separation distance adjuster 34 rotates on the fixture 32 coupled to the connector 30. Possibly combined.

The first male threaded portion 48 of the fixture 32 is screwed to the second female threaded portion 44 facing the retaining wall panel 20, and an adhesive plate 52 is coupled to the rear of the first male threaded portion 48. . The adhesive plate 52 restricts the rotation of the spacing distance adjuster 34 while the first support portion 58 of the spacing distance adjuster 34 comes into close contact with it. A second external screw portion 54 is provided to protrude at the center of the adhesive plate 52.

Meanwhile, in order to facilitate screw coupling of the fixture 32 to the connector 30, a wrench can be tightened between the first male thread portion 48 and the adhesive plate 52 as shown in FIG. 3. A fitting portion 50 having a square outer peripheral surface may be interposed so as to do so. In this embodiment, the outer peripheral surface of the fitting portion 50 is formed in a hexagonal shape so that the wrench can be easily coupled.

The separation distance adjuster 34 includes a first support portion 58 formed with a through hole 64 through which the second male thread portion 54 of the fixture 32 penetrates and in close contact with the adhesive plate 52, and a first support portion 58 that is in close contact with the adhesive plate 52. It is provided with a first extension part 60 that extends from the support part 58 and has a plurality of fasteners 66 at regular intervals so that the other end of the panel connector 28 selectively penetrates.

The separation distance adjuster 34 is designed to prevent the axial center of the panel connector 28 entering in the horizontal direction from intersecting with the axial center of the anchor body 12 protruding from the inclined surface 22, thereby preventing the spacer 30 from intersecting with each other. 2 This is a configuration for coupling the panel connector 28 to the anchor body 12 when the second female thread portion 44 of the coupler 46 and the end of the panel connector 28 are crossed and a separation distance is generated.

Due to construction errors in forming the anchor hole and construction errors in the nail material 14 in the process of forming the anchor body 12, the panel connecting material 28 extending from the retaining wall panel 20 is centered on the axis of the anchor body 12. There may be a gap between In this case, the panel connectors 28 can be coupled to the corresponding anchor bodies 12 through the separation distance adjuster 34.

With the second male threaded portion 54 of the fixture 32 penetrating through the through hole 64 of the spacing distance adjuster 34, the end of the panel connector 28 is the first extension of the spacing distance adjuster 34. With the separation distance adjuster 34 rotated so that it can be inserted into one of the plurality of fasteners 66 of the unit 60, the fixing nut 36 is screwed onto the second male threaded unit 54 and tightened to separate the space. Fix the distance adjuster (34).

Figure 6 shows the separation distance corresponding range according to the rotation of the separation distance adjuster 34. According to this embodiment, three fasteners 66 are formed at regular intervals in the first extension part 60, and as the spacing distance adjuster 34 is rotated around the second male thread part 54, the three fasteners 66 are spaced apart from each other at regular intervals. The other end of the panel connector 28 may be inserted into the fastener 66 located in one of the three concentric circles formed by the fasteners 66.

With the other end of the panel connector (28) penetrating the selected fastener (66) of the separation distance adjuster (34), the fastening nut (38) is screwed to the other end of the panel connector (28) that has penetrated through the panel connector (28). Set the position of the other end of (28). Thereafter, one end of the panel connector 28 is pulled and fixed on the retaining wall panel 20 side, and the retaining wall panel 20 is connected to the corresponding anchor body 12 through the separation distance adjuster 34.

In order to precisely set the rotational position of the separation distance adjuster 34 with respect to the fixture 32, as shown in FIGS. 4 and 5, a first support portion facing the adhesive plate 52 of the fixture 32 On the opposing surface of (58), a plurality of irregularities (56) in the radial direction may be formed. A plurality of irregularities 56 in the radial direction can also be formed on the adhesive plate 52 of the fixture 32 facing this.

With the first male thread portion 48 of the fixing plate penetrating the through hole 64 of the first support portion 58 of the spacing distance adjuster 34, the fixing nut 36 is temporarily coupled and the corresponding panel connector 28 is connected. By appropriately rotating the spacing distance adjuster 34 to correspond to and tightening the fixing nut 36, the rotational position of the spacing distance adjuster 34 can be accurately set by engaging the opposing protrusions and convexities 56.

As shown in FIG. 5, the first extension portion 60 of the separation distance adjuster 34 has a plurality of steps whose thickness decreases from the first support portion 58 toward the end of the first extension portion 60. A portion 61 may be formed, and a fastener 66 may be formed on each of the plurality of step portions 61. When the spacing distance adjuster 34 is fixed to the fixture 32, the spacing distance adjuster 34 is coupled in the form of a cantilever, so the first extension portion ( 60) It is constructed in the form of a staircase whose cross-section decreases as it goes further. At this time, the above-described fastener 66 is formed in each step 61.

And, as shown in Figures 4 and 5, a concave groove 62 may be formed around each fastener 66 of the separation distance adjuster 34 with the fastener 66 as the center, corresponding to this. Thus, a convex portion 39 inserted into the concave groove 62 may be formed on the opposite surface of the fastening nut 38 screwed to one end of the panel connector 28 that penetrates the fastener 66.

When coupling one end of the panel connector 28 to the retaining wall panel 20 with the fastening nut 38 coupled to the end of the panel connector 28 that penetrates the fastener 66, the tilting of the panel connector 28 In response to construction and manufacturing errors due to tilting, the convex portion 39 can rotate while inserted into the concave groove 62 of the fastener 66.

As shown in FIG. 3, the other end of the panel connector 28 is fastened to the fastener 66 of the spacing distance adjuster 34 through the fastening nut 38, and the retaining wall panel 20 is penetrated. Tension can be applied to the panel connector 28 by placing the acupressure plate 18 on one end of the panel connector 28 that penetrates the sphere 64 and screwing the fixing nut 36 thereto.

Figure 7 is a modified example of the retaining wall panel connecting device 27 according to an embodiment of the present invention.

Referring to FIG. 7, when the other end of the panel connector 28 entering the retaining wall panel 20 in the horizontal direction coincides with the second female thread portion 44 of the connector 30 (i.e., when not spaced apart or (If the separation distance is not large), the panel connector 28 can be directly coupled to the second female thread portion 44 of the connector 30 without installing the fixture 32 or the separation distance adjuster 34.

Figure 8 is a view from above of the corner portion of the panel-type retaining wall. Figure 9 is a view from above of the anchor reinforcement and reinforcement strip of the retaining wall panel connection device according to an embodiment of the present invention, and Figure 10 is a view of the anchor body reinforcement and the reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention. This is a drawing looking at the reinforcement strip from the side. And, Figure 11 is a side view of the combined state of the anchor body reinforcement and the reinforcement wale of the retaining wall panel connecting device according to an embodiment of the present invention, and Figure 12 is a retaining wall panel connecting device according to an embodiment of the present invention. This is a view from the front of the combined state of the anchor reinforcement and the reinforcement strip. And, Figure 13 is a diagram showing the state of use of the anchor body reinforcement and reinforcement wale of the retaining wall panel connection device according to an embodiment of the present invention.

8 to 13, retaining wall panels 20, 20', anchor body 12, cut boundary surface 21, panel connector 28, fixing nut 36, fastener 66, and anchor body reinforcement. (68), the second support portion (70), the second extension portion (72), and the reinforcing strip (74) are shown.

Figure 8 is a view of the corner portion of the panel-type retaining wall viewed from above. When constructing the panel-type retaining wall, the two front walls may form a corner portion with a certain angle. In this case, as shown in FIG. 8, the anchor bodies 12 inserted and fixed to the cut boundary surface 21 of the cut portion centered on the corner portion overlap each other, making the cut ground at the corner portion vulnerable.

In this way, if the reinforcement of the cut part is weak, the weak part can be reinforced using the anchor body reinforcement tool 68 and the reinforcement strip 74 according to this embodiment.

As shown in FIGS. 9 and 10, the anchor body reinforcement 68 includes a second support portion 70 in which a through hole 64 through which one end of the anchor body 12 penetrates is formed, and a plurality of supports at regular intervals. A fastener 66 is formed and has a plurality of second extension parts 72 extending in a radial direction from the second support part 70.

As shown in FIGS. 11 and 12, the anchor body reinforcement 68 is used to bind the ends of adjacent anchor bodies 12 to each other, and is coupled to the end of each anchor body 12.

With the end of the anchor body 12 inserted into the through hole 64 of the anchor body reinforcement 68, the above-described connector 30 or fixing nut 36 is screwed to the end of the anchor body 12. The anchor body reinforcement (68) is coupled to the end of each anchor body (12).

A plurality of second extension parts 72 extend in the radial direction from the second support part 70, and a fastener 66 is formed in each second extension part 72 along the longitudinal direction. In this embodiment, a form in which four second extension parts 72 in a '+' shape are formed is presented, but the second support part 70 is provided so that it can be connected to the anchor body reinforcement 68 adjacent to each other in the diagonal direction. It is also possible to form eight second extension portions 72 in the radial direction at the center.

As shown in FIG. 12, the reinforcing strips 74 are bound to each other by combining both ends with the second extension portions 72 of the anchor reinforcement spheres 68 that are adjacent to each other. It is also possible to bind adjacent reinforcement strips 74 with other reinforcement strips 74 while each anchor body 12 is bound in a grid using the reinforcement strips 74.

Fasteners 66 are formed at regular intervals along the longitudinal direction of the reinforcement strip 74, and the fasteners 66 can be used to bind them in various forms.

As shown in FIG. 12, the weak portion of the cut portion, such as the corner of a retaining wall, can be strengthened by binding adjacent anchor bodies 12 to each other using the anchor reinforcement 68 and the reinforcement strip 74.

In Figure 11, the anchor body reinforcement 68 is fixed through the connector 30. In a state in which the weak portion is reinforced using the anchor body reinforcement 68 and the reinforcement strip 74, the connector 30 is shown in detail. The retaining wall panel 20 can be connected to the front by combining one fixture 32, the separation distance adjuster 34, etc.

Figure 13 shows the state of use of the anchor body reinforcement 68 and the reinforcement strip 74. When constructing a panel-type retaining wall, standardized retaining wall panels (20) corresponding to each anchor body (12) are used, but retaining wall panels (20) of a different form from the standardized retaining wall panels (20) are used as needed, such as site characteristics. You can use it.

Referring to FIG. 13, a triangular retaining wall panel 20' having a different shape from the square standardized retaining wall panel 20 is shown. When the triangular retaining wall panel 20' is coupled to the anchor body 12, the opposing There may be no anchor body 12 or there may be an anchor body 12 at a location off the centroid of the triangular retaining wall panel 20'. In this case, as shown in FIG. 13, a panel connector extending from the triangular retaining wall panel 20 is attached to the fastener 66 of the reinforcing wale 74 in a state in which the reinforcing wale 74 for fixing the additional retaining wall panel is coupled. 28) can be combined to secure the triangular retaining wall panel (20') to the anchor body (12).

In this embodiment, a triangular retaining wall panel 20' is presented, but various types of retaining wall panels obtained by segmenting the standardized retaining wall panel 20 using the anchor body reinforcement 68 and the reinforcement wale 74 are used as anchor bodies ( 12).

Figure 14 is a flowchart of a panel-type retaining wall construction method according to another embodiment of the present invention.

The panel-type retaining wall construction method according to this embodiment includes the steps of installing the anchor body 12 so that one end of the reinforcement is exposed on the cut slope 22; Installing a retaining wall panel (20) on the front of the slope (22); A first coupler 42 in which a first female screw part is formed so that one end of the anchor body 12 is screwed together, and a second coupler 42 in which a second female screw part 44 is formed and a second coupler bent in the first coupler 42 Screw the first coupler 42 of the connector 30 to one end of the anchor body 12 so that the second coupler 46 of the connector 30 including the sphere 46 faces the retaining wall panel 20. coupling the connector 30 to the anchor body 12; Setting the panel connector 28 horizontally to install one end of the panel connector 28 on the retaining wall panel 20 and confirming whether the other end of the panel connector 28 corresponds to the second coupler 46; When the other end of the panel connector 28 does not correspond to the second coupler 46 and is spaced apart, the first external threaded portion 48 and the adhesive plate 52 formed at the rear of the first external threaded portion 48 and , the first male threaded portion 48 of the fixture 32 including the second male threaded portion 54 protruding from the center of the adhesive plate 52 is screwed to the second female threaded portion 44 of the connector 30. coupling the fixture 32 to the connector 30; A first support part 58 in which a through hole 64 is formed and in close contact with the adhesive plate 52, and a plurality of plurality of parts extending from the first support part 58 and spaced at regular intervals so that the other end of the panel connector 28 selectively penetrates. The second male threaded portion 54 of the fixture 32 is passed through the through hole 64 of the separation distance adjuster 34 having the first extension portion 60 in which the fastener 66 is formed, and the fixing nut ( Step of temporarily assembling the separation distance adjuster 34 by screwing 36); Rotate the distance adjuster 34 so that one of the plurality of fasteners 66 of the distance adjuster 34 corresponds to the other end of the panel connector 28, and screw the fixing nut 36 to adjust the distance. setting the position of the adjuster 34; passing the other end of the panel connector 28 through a selected fastener 66 among a plurality of fasteners 66 of the spacing distance adjuster 34 and fastening a fastening nut 38; It includes the step of fixing one end of the panel connector 28 to the retaining wall panel 20.

With reference to FIGS. 1 to 13, the panel-type retaining wall construction method according to this embodiment will be described in detail.

First, the anchor body 12 is installed so that one end is exposed to the cut slope 22 (S100). Anchor holes for nailing are drilled at regular intervals along the cut slope 22 using a drilling machine. After inserting nail material (14) such as a general nail, screw rebar, rock bolt, etc. into each anchor hole, grouting (16) is injected and hardened as long as the entrance of the anchor hole is closed and hardened to form a cut. An anchor body 12 is formed.

Next, the retaining wall panel 20 is installed on the front of the slope 22 (S200). When anchor bodies 12 are installed at regular intervals on the slope 22 of the cut part, foundation concrete 11 is formed on the ground in front of the cut part, and a retaining wall panel 20 is installed on the foundation concrete 11, or The retaining wall panels 20 are stacked sequentially on the installed retaining wall panels 20. In the current state, the retaining wall panel 20 is not fixed and installed, but is temporarily installed for connection to the anchor body 12.

Next, a first coupler 42 in which a first female thread 40 is formed so that one end of the anchor body 12 is screwed, and a second female thread 44 is formed, and the first coupler 42 The first coupling of the connector 30 to one end of the anchor body 12 so that the second coupler 46 of the connector 30 including the second coupler 46 bent in is directed toward the retaining wall panel 20. The sphere 42 is screwed together to couple the connector 30 to the anchor body 12 (S300).

The connector 30 is a component for directly or indirectly connecting the panel connector 28 and the anchor body 12, and the first coupler 42 of the connector 30 is screwed to one end of the anchor body 12. , the panel connector 28 is directly connected to the second coupler 46 as shown in FIG. 7, or the fixture 32 and the separation distance adjuster 34 to be described later are connected as shown in FIG. 2. You can.

In this embodiment, a screw rebar is used as the nail material 14 of the anchor body 12, and the first female thread part 40 of the first coupler 42 is meshed with the male screw part of the screw rebar. By rotating (30), the connector (30) is coupled to the end of the anchor body (12).

In order to facilitate screw coupling of the connector 30 after construction of the anchor body 12, the outer peripheral surface of the first connector 42 may be formed in a square shape to enable tightening with a wrench, in this embodiment. In order to facilitate the coupling of the wrench, the outer peripheral surface of the first coupler 42 is presented in a hexagonal shape.

Next, place the panel connector 28 horizontally so that one end of the panel connector 28 is installed on the retaining wall panel 20 and check whether the other end of the panel connector 28 corresponds to the second coupler 46 (S400) ). The panel-type retaining wall construction method according to this embodiment separates the panel connecting material 28 from the nail material 14 of the anchor body 12, and arranges the panel connecting material 28 horizontally to connect the retaining wall panel 20. To facilitate installation, construction errors, etc. occur during the construction of the anchor body 12 and the retaining wall panel 20, so that the end of the panel connector 28 extending horizontally from the retaining wall panel 20 and the anchor body The ends of (12) may be twisted together, causing a separation distance.

In this step, place the panel connector 28 horizontally so that one end of the panel connector 28 is installed on the retaining wall panel 20 and check whether the other end of the panel connector 28 corresponds to the second coupler 46.

Next, when the other end of the panel connector 28 does not correspond to the second coupler 46 and is spaced apart, the first male thread portion 48 and the adhesive plate formed on the rear of the first male thread portion 48 ( 52) and the first male threaded portion 48 of the fixture 32 including the second male threaded portion 54 protruding from the center of the adhesive plate 52 to the second female threaded portion 44 of the connector 30. The fixture 32 is coupled to the connector 30 by screwing (S500).

The fixture 32 is a medium for installing the separation distance adjuster 34, which will be described later, to face the retaining wall panel 20 located on the front, and the separation distance adjuster 34 is attached to the fixture 32 coupled to the connector 30. ) is rotatably coupled. In order to facilitate screw coupling of the fixture 32 to the connector 30, as shown in FIG. 3, there is an angle between the first male thread portion 48 and the adhesive plate 52 to enable wrench tightening. A fitting portion 50 having a mold outer peripheral surface may be interposed.

Next, a through hole 64 is formed, a first support part 58 in close contact with the adhesive plate 52, and a predetermined gap extending from the first support part 58 so that the other end of the panel connector 28 selectively penetrates. The second male threaded portion 54 of the fixture 32 is penetrated through the through hole 64 of the spacing distance adjuster 34 having the first extension portion 60 in which the plurality of fasteners 66 are formed. Temporarily assemble the separation distance adjuster 34 by screwing the fixing nut 36 (S600). Due to construction errors in forming the anchor hole and construction errors in the nail material 14 in the process of forming the anchor body 12, the panel connecting material 28 extending from the retaining wall panel 20 is centered on the axis of the anchor body 12. There may be a gap between In this case, the panel connectors 28 can be coupled to the corresponding anchor bodies 12 through the separation distance adjuster 34.

In this step, the spacing distance adjuster 34 may be maintained in a provisionally assembled state without being definitively fixed.

Next, rotate the distance adjuster 34 so that any one of the plurality of fasteners 66 of the distance adjuster 34 corresponds to the other end of the panel connector 28, and screw the fixing nut 36. Set the position of the separation distance adjuster 34 (S700).

Figure 6 shows the separation distance corresponding range according to the rotation of the separation distance adjuster 34. According to this embodiment, three fasteners 66 are formed at regular intervals in the first extension part 60, and as the spacing distance adjuster 34 is rotated around the second male thread part 54, the three fasteners 66 are spaced apart from each other at regular intervals. The end of the panel connector 28 may be inserted into the fastener 66 located in one of the three concentric circles formed by the fasteners 66.

Screw the fixing nut 36 to the second male threaded portion 54 while rotating the separation distance adjuster 34 so that it can be inserted into one of the plurality of fasteners 66 of the first extension portion 60. and tighten to set the position of the separation distance adjuster (34).

Next, the other end of the panel connector 28 is passed through the selected fastener 66 among the plurality of fasteners 66 of the spacing distance adjuster 34 and the fastening nut 38 is fastened (S800).

With the other end of the panel connector (28) penetrating the selected fastener (66) of the separation distance adjuster (34), the fastening nut (38) is screwed to the other end of the panel connector (28) that has penetrated through the panel connector (28). Set the position of the other end of (28).

Next, one end of the panel connector 28 is fixed to the retaining wall panel 20 (S900). In a state where the other end of the panel connector 28 is fastened to the fastener 66 of the spacing distance adjuster 34 through the fastening nut 38, the panel penetrates the through hole 64 of the retaining wall panel 20. Tension can be applied to the panel connecting material 28 by placing the acupressure plate 18 on one end of the connecting material 28 and screwing the fixing nut 36 thereto.

Meanwhile, in the step of checking whether the other end of the panel connector 28 corresponds to the second coupler 46, the other end of the panel connector 28 entering in the horizontal direction is connected to the second female thread portion 44 of the connector 30. ) (i.e., when there is no separation), the panel connector 28 is directly connected to the second female thread 44 of the connector 30 without installing the fixture 32 or the separation distance adjuster 34. Can be combined. Thereafter, one end of the panel connector 28 is fixed to the retaining wall panel 20.

When the front wall is formed by installing the retaining wall panels 20 corresponding to each anchor body 12 according to the above method, backfilling is performed by compacting high-quality soil between the front wall and the slope 22.

After the backfilling is completed, tension is applied to the panel connectors 28 exposed to each retaining wall panel 20 so that the retaining wall panel 20 applies compressive force to the backfilling material 26 and settled. Accordingly, after the panel connecting material 28 is fixed, a tensile force is generated in the panel connecting material 28.

On the other hand, as shown in FIG. 12, when the reinforcement of the cut portion is weak, the anchor body 12 adjacent to each other is strengthened using the anchor body reinforcement 68 and the reinforcement wale 74 according to the present embodiment as described above. By binding them together, weak areas can be strengthened.

When constructing a panel-type retaining wall, standardized retaining wall panels (20) corresponding to each anchor body (12) are used, but retaining wall panels (20) of a different form from the standardized retaining wall panels (20) are used as needed, such as site characteristics. You can use it.

Referring to FIG. 13, a triangular retaining wall panel 20' having a different shape from the square standardized retaining wall panel 20 is shown. When the triangular retaining wall panel 20' is coupled to the anchor body 12, the opposing There may be no anchor body 12 or there may be an anchor body 12 at a location off the centroid of the triangular retaining wall panel 20'. In this case, as shown in FIG. 13, a panel connector extending from the triangular retaining wall panel 20 is attached to the fastener 66 of the reinforcing wale 74 in a state in which the reinforcing wale 74 for fixing the additional retaining wall panel is coupled. 28) can be combined to secure the triangular retaining wall panel (20') to the anchor body (12).

Other than that, the components are the same as described above, so their description will be omitted.

Although the present invention has been described above with reference to preferred embodiments, those skilled in the art can vary the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that it can be modified and changed.

Many embodiments other than those described above are within the scope of the claims of the present invention.

11: Foundation concrete 12: Anchor body
14: Nail material 16: Grouting
20, 20': Retaining wall panel 21: Cut boundary
22: slope 24, 36: fixing nut
26: backfill 27: connection device
28: panel connector 30: connector
32: fixture 34: separation distance adjuster
38: Fastening nut 39: Convex portion
40: first female thread 42: first coupler
44: second female thread 46: second coupler
48: first external thread 50: fastener
52: adhesive plate 54: second external thread portion
56: unevenness 58: first support
60: first extension 61: step portion
62: concave groove 64: through hole
66: Fastener 68: Anchor body reinforcement
70: second support portion 72: second extension portion
74: Reinforcement strip

Claims (22)

A retaining wall panel connecting device that connects an anchor body inserted and fixed into a slope so that one end is exposed and a retaining wall panel installed in front of the slope to secure the retaining wall panel,
a panel connecting member whose one end is fixed to the retaining wall panel and extends horizontally and whose other end is directed to the anchor body;
A connector including a first coupler in which a first female screw part is formed so that one end of the anchor body is screwed together, and a second coupler in which a second female screw part is formed toward the retaining wall panel and bent at the first coupler;
a fixture having a first male thread portion screwed to the second female thread portion of the connector, an adhesive plate formed behind the first male thread portion, and a second male thread portion protruding from the center of the adhesive plate;
A first support part formed with a through hole through which the second male thread of the fixture passes and in close contact with the adhesive plate, and a plurality of fasteners extending from the first support part and spaced at regular intervals so that the other end of the panel connecting material selectively penetrates. A separation distance adjuster having a first extension portion formed;
A retaining wall panel connecting device comprising a fixing nut screwed to the second male screw portion penetrating the through hole of the first support portion.
According to paragraph 1,
A male thread is formed at the other end of the panel connector,
Retaining wall panel connecting device further comprising a fastening nut screwed to the male thread of the panel connecting material that penetrates the selected fastener.
According to paragraph 1,
The first coupler is,
A retaining wall panel connecting device, characterized in that it has a square outer peripheral surface to enable wrench tightening.
According to paragraph 1,
The fixture is,
A retaining wall panel connecting device, characterized in that a tightening part having a square outer peripheral surface is interposed between the first male screw part and the adhesive plate to enable wrench tightening.
According to paragraph 1,
A retaining wall panel connecting device, characterized in that a plurality of irregularities in the radial direction are formed on the opposing surface of at least one of the adhesive plate and the first support portion.
According to paragraph 1,
The first extension part,
A plurality of step parts whose thickness decreases toward an end of the first extension are formed in the first support part,
Retaining wall panel connecting device, characterized in that the fastener is formed on each of the plurality of step portions.
According to paragraph 2,
It is formed in a concave groove centered on the fastener,
A retaining wall panel connecting device, characterized in that a convex portion corresponding to the concave groove is formed on the fastening nut.
According to paragraph 1,
An anchor body reinforcement device comprising a second support portion in which a through hole through which one end of the anchor body penetrates is formed, and a plurality of second extension portions in which a plurality of fasteners are formed at regular intervals and extending in a radial direction from the second support portion. Further comprising a retaining wall panel connection device.
According to clause 8,
The anchor body is formed in plural pieces at regular intervals,
The anchor body reinforcement is respectively coupled to each of the anchor bodies,
A retaining wall panel connecting device further comprising reinforcing wales coupled to each other or to the second extension portions of the anchor reinforcements that are adjacent to each other at both ends.
According to clause 9,
A plurality of fasteners are formed along the longitudinal direction of the reinforcing wale,
A retaining wall panel connecting device, characterized in that a retaining wall panel of a different shape from the retaining wall panel is coupled to the fastener through a panel connecting material.
An anchor body inserted and fixed into the inclined surface so that one end is exposed;
a retaining wall panel installed in front of the slope;
a retaining wall panel connecting device according to any one of claims 1 to 10, which connects the anchor body and the retaining wall panel to fix the retaining wall panel;
A panel-type retaining wall comprising backfilling between the slope and the retaining wall panel.
Installing an anchor body so that one end is exposed to the slope of the cut part;
Installing a retaining wall panel on the front of the slope;
The second coupler of the connector includes a first coupler in which a first female thread is formed so that one end of the anchor body is screwed, and a second coupler in which a second female thread is formed and bent at the first coupler. coupling the connector to the anchor body by screwing a first coupler of the connector to one end of the anchor body so that it faces the retaining wall panel;
setting the panel connector horizontally to install one end of the panel connector on the retaining wall panel and confirming whether the other end of the panel connector corresponds to the second coupler;
When the other end of the panel connector does not correspond to the second coupler and is spaced apart,
The first male thread of a fixture including a first male thread, an adhesive plate formed behind the first male thread, and a second male thread protruding from the center of the adhesive plate is screwed to the second female thread of the connector. coupling the fixture to the connector;
A spaced space including a first support part in which a through hole is formed and in close contact with the adhesive plate, and a first extension part extending from the first support part and having a plurality of fasteners at regular intervals so that the other end of the panel connector selectively penetrates. temporarily assembling the spacing distance adjuster by passing a second male thread of the fixture through the through hole of the distance adjuster and screwing a fixing nut;
setting the position of the distance adjuster by rotating the distance adjuster so that one of the plurality of fasteners of the distance adjuster corresponds to the other end of the panel connector and screwing the fixing nut;
Penetrating the other end of the panel connector into a selected fastener among a plurality of fasteners of the distance adjuster and fastening a fastening nut;
A panel-type retaining wall construction method comprising the step of fixing one end of the panel connecting material to the retaining wall panel.
According to clause 12,
When the other end of the panel connector corresponds to the second coupler,
screwing the other end of the panel connector to the second female thread of the second coupler;
A panel-type retaining wall construction method comprising the step of fixing one end of the panel connecting material to the retaining wall panel.
According to clause 12,
The first coupler of the connector has a square outer peripheral surface to enable tightening with a wrench,
The step of combining the connector is,
A panel-type retaining wall construction method, characterized in that it is performed by coupling the wrench to the square outer peripheral surface of the first coupler and rotating the coupler.
According to clause 12,
In the fixture, a tightening part having a square outer peripheral surface is interposed between the first male screw part and the adhesive plate to allow tightening with a wrench,
The step of coupling the fixture to the connector,
A method of constructing a panel-type retaining wall, characterized in that it is performed by rotating the fixture by coupling the wrench to the square outer peripheral surface of the tightening part.
According to clause 12,
A panel-type retaining wall construction method, characterized in that a plurality of irregularities in the radial direction are formed on each of the opposing surfaces of the adhesive plate and the first support portion.
According to clause 12,
The first extension part,
A plurality of step parts whose thickness decreases toward an end of the first extension are formed in the first support part,
A panel-type retaining wall construction method, characterized in that the fastener is formed on each of the plurality of step portions.
According to clause 12,
It is formed in a concave groove centered on the fastener,
A panel-type retaining wall construction method, characterized in that a convex portion corresponding to the concave groove is formed in the fastening nut.
According to clause 12,
After installing the anchor body,
The anchor body is connected to the through hole of an anchor body reinforcement having a second support part in which a through hole is formed, a plurality of fasteners at regular intervals, and a plurality of second extension parts extending radially from the second support part. A panel-type retaining wall construction method further comprising penetrating one end and fixing the anchor reinforcement.
According to clause 19,
The step of fixing the anchor body reinforcement is,
A panel-type retaining wall construction method, characterized in that it is performed by coupling the connector or fixing nut to the end of the anchor body that penetrates the through hole of the second support part.
According to clause 20,
The anchor body is formed in plural pieces at regular intervals,
A method of constructing a panel-type retaining wall, further comprising the step of coupling both ends of the reinforcing wales to the second extension portions of the anchor reinforcements adjacent to each other, or coupling the reinforcing wales to each other.
According to clause 21,
The step of erecting the retaining wall panel is,
It includes the step of stacking and erecting retaining wall panels of different sizes,
A method of constructing a panel-type retaining wall, characterized in that the other end of the panel connector installed from retaining wall panels of different sizes is fastened to any one fastener among a plurality of fasteners of the reinforcing strip.