KR102019480B1 - Panel retaining wall structure using swivel coupler and method constructing the same - Google Patents

Abstract

The present invention relates to a panel type retaining wall structure using a bending coupler and a construction method for the same. According to the present invention, the panel type retaining wall structure using the bending coupler includes: a reinforcing member supported in the ground for an upper part of the reinforcing member from protruding; a first bearing plate having a through hole enabling the upper part of the reinforcing member to penetrate the same; the bending coupler in which one side is coupled to the upper part of the reinforcing member passing through the first bearing plate, wherein the center of the bending coupler rotates; a connection member inserted and connected to the other side of the bending coupler coupled to the upper part of the reinforcing member, wherein the connection member is formed of a strand or a steel bar and rotates around a center unit of the bending coupler by the bending coupler; a prefabricated panel having a through pore for the other side of the connection member to pass through the same, wherein the prefabricated panel is inserted and connected to each other; a foundation unit supporting the lower part of the prefabricated panel; a second bearing plate having the through hole for the upper part of the connection member passing through the prefabricated panel to be anchored to the prefabricated panel by passing through the through hole; and an anchoring unit coupled to the upper part of the connection member passing through the second bearing plate. Therefore, the panel type retaining wall structure rapidly and conveniently performs construction work by connecting the prefabricated panel and the reinforcing member even if the prefabricated panel and the reinforcing member do not correspond, by using the bending coupler.

Description

Panel retaining wall structure using swivel coupler and method constructing the same}

The present invention can be connected to the prefabricated panel and the reinforcement by rotating the connecting material through the refractive coupler irrespective of the position of the reinforcement supported in the target ground, the panel retaining wall structure using the refractive coupler improved construction work and its construction method It is about.

Conventionally, when retaining walls such as roads, railway slopes, slopes of park areas, river embankments, and coastal roads, concrete retaining walls have been constructed mainly by placing and curing concrete in the field. The construction of concrete retaining wall by site casting is generally proceeded by ground excavation-foundation concrete casting-concrete placement of this structure-backfill construction-repair of surrounding pavement.

Such a conventional retaining wall construction method has a number of problems as follows because all the work for forming the retaining wall structure is performed directly in the field.

In order to pour concrete at the site, formwork must be installed and dismantled, and a long curing period of concrete is required. In other words, the construction period is prolonged because it takes a long period of time to form a concrete structure, accordingly the construction cost is high, there was a problem that the economic efficiency is lowered.

In addition, as the construction period gets longer, there is a problem that the inconvenience of citizens is increased due to the blocking of vehicle traffic and securing the detour road, and the long-term exposure to the risk of safety accidents is difficult, and it is difficult to artificially express the beautiful patterns on the front of the retaining wall. There was a problem that hurts the beauty.

On the other hand, in general, the retaining wall using the anchor (anchor) forms a concrete panel having a predetermined thickness along the slope of the slope, and after placing and curing the concrete between the panel and the slope, to tension the anchor at a predetermined interval It is installed and fixed to the concrete panel. The cured concrete and the panel on the front thereof are in close contact with the slope of the slope to prevent landslides of the slope.

However, the retaining wall using such an anchor has to make the panel thick in order to withstand earth pressure, and there is a problem in that transportation and construction are difficult, such as having a pressure plate separately.

In addition, it is possible to beautify the appearance beautifully by adding color to the panel, but since the binding force between the panel wall and the target ground is reduced, there is a structural defect that the panel wall can be easily collapsed due to earth pressure of the target ground due to rainwater during rainy weather. When the retaining wall is rescued by the shotcrete layer, the ground can be stabilized to some extent, but it has an aesthetic defect that is not good in appearance.

Accordingly, the Republic of Korea Patent No. 0440091 discloses the construction of a block-type retaining wall and a method of construction thereof in which the surface of the rear earthwork is cast with a shotcrete layer and the block wall is connected to a support reinforcement anchored in the rear earthwork. In this case, the entire surface of the rear earthwork part is casted with shotcrete, which requires a lot of construction time and cost, and the connecting rod is connected to the extension part of the support reinforcement because the connection between the support reinforcement and the block wall body and the extension of the support reinforcement are not exactly matched. There is a problem that the supporting plate to be rotatably coupled, and this coupling requires an additional connecting member for supporting the earth pressure.

The present invention has been invented to solve the above problems, an object of the present invention is to connect the prefabricated panel and the reinforcement without matching between the prefabricated panel and the reinforcement, it is structurally strong and can beautify beautifully in appearance The present invention provides a panel retaining wall structure using a refractive coupler and a construction method thereof.

Panel retaining wall structure using the articulated coupler of the present invention to achieve the above object, the reinforcement is supported so that the upper portion protrudes inside the target ground; A first acupressure plate having a through hole through which the upper portion of the stiffener is formed; An articulated coupler having one side coupled to an upper portion of the reinforcement penetrating the first pressure plate and having a central portion pivoted thereto; A coupling member fitted to the other side of the refraction coupler fastened with the reinforcement and pivoting about the center of the refraction coupler through the refraction coupler and configured of a strand or a steel rod; A prefabricated panel having a through hole formed to penetrate the other side of the connecting member and being fitted to each other; A base for supporting the prefabricated panel; A second acupressure plate having a through hole formed therein so as to penetrate the upper part of the connecting member penetrating the prefabricated panel and be fixed to the prefabricated panel; And a fixing unit coupled to an upper portion of the connecting member penetrating the second acupressure plate.

The refractive coupler may include: a first wedge having a plurality of divisions and a space into which the reinforcement may be inserted; A first elastic connecting member connecting the plurality of first wedges; A first elastic body installed above the first wedge to limit any movement of the first wedge; And a reinforcing member fastening part configured to be fastened in a state in which the first wedge and the first elastic body are covered and having a first wedge cover having a screw part on an outer circumference thereof. A fixing portion having a screw portion on one inner circumferential surface to be engaged with the screw portion of the first wedge cover, and a fixing catching jaw is formed on the other inner circumferential surface and having a locking space formed therein; A locking mouth inserted into the locking space of the fixing part and hooked to the fixing locking jaw and coupled to the fixing part so as to be pivotable, and protruding from one side of the locking hole, protruding from the fixing part, and having a screw portion on an outer circumferential surface thereof. Turning part; And a second wedge which is divided into a plurality and has a space into which the connecting member can be inserted. A second elastic connecting member connecting the plurality of second wedges; A second elastic body installed above the second wedge and fixed to an end of the sun circuit to restrict any movement of the second wedge; And a connecting member fastening portion configured to be fastened in a state in which the second wedge and the second elastic body are covered and having a second wedge cover having a screw portion on one inner circumferential surface thereof so as to be fastened with the screw portion of the line circuit.

The fixing unit has a C-shaped spacing retaining cross section for maintaining a spacing with the second pressure plate; A wedge head having a wedge installation space of an inner surface inclined upwardly and downwardly on one side of the gap retaining ring; A wedge having an outer circumferential surface inclined and divided into a plurality of wedge installation spaces of the wedge head; An elastic connecting member connecting the plurality of divided wedges; And a head protection cap fastened in a state where the gap retaining ring, the wedge head, the wedge, and the elastic connection member are covered.

The prefabricated panel has a plurality of base jaw is formed on the front, the bottom, the top and the bottom end is formed with a recess (돌출 部) and a protrusion, and the vertical fixing pin for assembling the prefabricated panel on the recess and the protrusion is bound It is characterized in that the fitting hole is formed.

In order to achieve the above object, a method of constructing a panel retaining wall structure using the refractive coupler of the present invention comprises drilling a target ground at a predetermined angle to form a hole having a predetermined diameter, and inserting the upper portion of the reinforcement into the hole. (A) doing; (B) injecting a grouting material into the drilling hole into which the reinforcing material is inserted; (C) when the grouting material is fixed, penetrating the upper portion of the reinforcing material to the first pressure plate and then tensioning the reinforcing material to fix the refraction coupler; (D) fitting one side of a connecting material to the refractive coupler; The foundation is installed through a trench at the bottom of the target ground, the pivot coupler is pivoted to sequentially pass the other side of the connecting material through the prefabricated panel and the second pressure plate, and the prefabricated panel is laminated on the top of the foundation. (E) forming; (F) filling soil in a space between the prefabricated panel and the target ground; And (g) coupling and fixing the fixing unit to an upper portion of the connecting member penetrating the second acupressure plate.

The predetermined angle of step (a) is characterized in that it is selected from the group consisting of the upward direction, downward direction and the horizontal direction in the horizontal plane.

According to the present invention has the following effects.

First, by firmly connecting the reinforcing material and the prefabricated panel through the refractive coupler and the connecting material, it is structurally strong, and can beautify the exterior of the wall through the color of the prefabricated panel.

In addition, by using the articulated coupler, it is possible to connect the prefabricated panel and the reinforcement even if the prefabricated panel and the reinforcement are not matched, thereby making the construction work quick and convenient, and simplifying the construction of the retaining wall structure. And, the time required for construction is reduced.

1 shows a panel retaining wall structure using a refractive coupler according to the present invention.
Figure 2 shows a refractive coupler of the panel retaining wall structure using a refractive coupler according to the present invention.
Figure 3 shows another embodiment of the refractive coupler of the panel retaining wall structure using the refractive coupler according to the present invention.
Figure 4 shows a panel retaining wall structure using a refractive coupler according to the present invention.
Figure 5 shows a prefabricated panel of a panel retaining wall structure using a refractive coupler according to the present invention, (a) is a front view of the prefabricated panel, (b) is a side view of the prefabricated panel, (c) is a It is a cross section.
Figure 6 shows a prefabricated panel of a panel retaining wall structure using a refractive coupler according to the present invention, (a) is a front view of the prefabricated panel, (b) is a side view of the prefabricated panel, (c) is a It is a cross section.
Figure 7 shows the laminated laminated panel of the panel retaining wall structure using a refractive coupler according to the present invention.
8 is a partial cutaway view of a fixing portion of a panel retaining wall structure using a refractive coupler according to the present invention.
Figure 9 shows the fixing part of the panel retaining wall structure using a refractive coupler according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, but the well-known technical parts will be omitted or compressed for brevity of description.

1. Panel retaining wall structure using articulated coupler

The present invention in one aspect, the reinforcing material (5) is supported so as to project the upper portion inside the target ground (2); A first acupressure plate 10 having a through hole through which the upper portion of the reinforcing material 5 may be formed; A refractive coupler 15 having one side coupled to an upper side of the reinforcement 5 penetrating the first pressure plate 10 and having a central portion pivoted therethrough; A connection member 20 fitted to the other side of the refraction coupler 15 fastened to the reinforcement 5 and pivoted about the center of the refraction coupler 15 through the refraction coupler 15 and configured of a stranded wire or a steel rod; A through hole formed to penetrate the other side of the connecting member 20, and a prefabricated panel 25 fitted together; A base part 30 supporting a lower part of the prefabricated panel 25; A second acupressure plate 35 having a through hole formed therethrough so as to penetrate the upper portion of the connecting member 20 through the prefabricated panel 25 and be fixed to the prefabricated panel 25; And it relates to a retaining wall structure comprising a fixing part 40 is fastened to the upper portion of the connecting member 20 through the second pressure plate (35).

More specifically, the reinforcing material 5 is buried in the target ground 2, and the prefabricated panel 25 is laminated on the base part 30, but recesses 54 formed at upper and lower ends of the prefabricated panel 25 are formed. ) And the protrusions 53 and the prefabricated panel 25 is laminated using the vertical fixing pins 80 to form a front wall, and then the connecting member 20 is connected between the prefabricated panel 25 and the reinforcing material 5. By connecting to each other by), the reinforcement 5 on the back and the prefabricated panel 25 independently act to be a structurally strong and beautifully beautify the exterior of the wall through the color of the prefabricated panel 25.

Hereinafter, a panel retaining wall structure using a refractive coupler according to the present invention will be described in detail with reference to FIGS. 1 to 9.

As shown in FIG. 1, the panel retaining wall structure using the refractive coupler according to the present invention includes a reinforcing member 5, a first pressure plate 10, a refractive coupler 15, a connecting member 20, a prefabricated panel 25, and a foundation. The part 30, the second pressure plate 35, and the fixing unit 40 are included.

The reinforcing material 5 according to the present invention may be provided as a soil nail (5) as shown in Figure 1, may be provided as an anchor (5) installed with a hydraulic plate (W), as shown in Figure 4, steel bar, strand , Anchors, rock bolts, nails, etc. using those selected from the group consisting of steel pipes and fiber-reinforced plastics, and spacers installed at predetermined intervals of the reinforcement 5 such that the reinforcement 5 is located at the center of the perforation hole 1 Not shown), a fixing cone (not shown) fastened to the lower portion of the reinforcing material (5) to prevent the separation of the reinforcing material (5), a pressure plate for protruding the reinforcing material 5 may be further provided.

In the present invention, the reinforcing material 5 excavates the target ground 2 at an appropriate position, and then reinforcing material 5 in the drilled hole 1 of a constant diameter which is drilled upward, downward or horizontally at a predetermined angle. Grouting is performed by injecting grouting material after inserting.

In the present invention, the first acupressure plate 10 is to be installed for stress distribution to protect the target ground (2) that takes relatively concentrated stress when the design load is applied to the reinforcement (5), the first acupressure plate (10) After the examination for punching shear failure during installation, a through hole (not shown) for adjusting the thickness and size of the first pressure plate 10 and penetrating the upper portion of the reinforcing material 5 is formed.

The articulated coupler 15 according to the present invention serves to fix the tensioned reinforcement 5 together with the first pressure plate 10 to the target ground 2 and at the same time serve to connect the prefabricated panel 25. As shown in FIG. 2, the reinforcing member fastening part 151, the fixing part 152, the pivoting part 153, and the connector fastening part 154 are included.

Stiffener fastening portion 151 is divided into a plurality of first wedge (1511) having a space in which the reinforcement (5) can be inserted; A first elastic connection member 1512 connecting the first wedge 1511 formed into a plurality of parts; A first elastic body 1513 installed above the first wedge 1511 to restrict any movement of the first wedge 1511; And a first wedge cover 1514 that is fastened in a state where the first wedge 1511 and the first elastic body 1513 are covered and has a threaded portion 151N on an outer circumference thereof.

Here, the first wedge 1511 is in the shape of a cone with a hollow, but divided into a plurality, that is, two to three along the axial direction, the O-ring in the main portion formed on the outer peripheral surface of the lower end in contact with the cone shape (O- By elastically coupling the first elastic connecting member 1512 such as a ring, etc., the shape of the cone is maintained, and the upper end portion is well opened around the coupling portion of the lower end of the outer circumferential surface.

In the present invention, the first elastic body 1513 serves to have a clearance for the complete wedge of the first wedge 1511 and any restriction of movement of the first wedge 1511, it is preferable to use a coil spring. Do.

In addition, the first wedge cover 1514 serves to support the outer circumferential surface of the first wedge 1511 that the reinforcing material (5) is bitten, the hollow formed downward through the axial direction in the center of the upper surface is the upper hollow And has a structure consisting of a conical lower hollow extending downward from the lower end of the upper hollow and the inner diameter increases toward the bottom, the screw portion is formed on the outer circumferential surface to be fastened to the fixing portion 152, the first wedge 1511, 1 The elastic coupling member 1512 and the first elastic body 1513 are fastened in a covered state.

The fixing portion 152 has a screw portion 152N on one inner circumferential surface to be coupled to the screw portion 151N of the first wedge cover 1514, and a fixing catching jaw 152T is formed on the other inner circumferential surface, and has a locking space 152S therein. ) Is formed.

The revolving part 153 is inserted into the locking space 152S of the fixing part 152 and is caught by the fixed locking jaw 152T and is coupled to the fixing part 152 so as to be pivotable, and the locking hole 1531. Protruding from one side of the) and protrudes from the fixing portion 152 and includes a line circuit 1532 having a screw portion 153N on the outer peripheral surface.

Here, the latch 1531 may be provided in a shape in which a sphere other than the portion caught by the fixing locking jaw 152T of the fixing portion 152 is cut, thereby reducing the material cost required for the latch 1531. In addition, the locking space 152S of the fixing part 152 is formed to be smaller, the size of the fixing part 152 is reduced, thereby reducing the material cost required for the fixing part 152, thereby reducing the cost of manufacturing the refractive coupler 15. Can be reduced.

In addition, a groove is formed at the center portion of the pre-circuit 1532 of the connection member fastening portion 154, and an end of the connection member 20 may be inserted.

The connecting member fastening part 154 is divided into a plurality of second wedge (1541) having a space in which the connecting member 20 can be inserted; A second elastic connecting member 1542 connecting the second wedges 1541 formed into a plurality; A second elastic body 1543 installed above the second wedge 1541 and fixed to an end of the sun circuit 1532 to restrict any movement of the second wedge 1541; And a second wedge cover 1544 having a screw portion 154N on one inner circumferential surface of the second wedge 1541 and the second elastic body 1543 to be fastened to be covered with the screw portion 153N of the first circuit 1515. It is composed.

Here, the second wedge (1541) is in the shape of a cone with a hollow, but divided into a plurality, that is, two to three along the axial direction, in the state formed in the conical contact with the lower end of the ring O-ring (O- By elastically coupling the second elastic connecting member 1542 such as a ring, etc., the shape of the cone is maintained, and at the same time, the upper end is well opened around the coupling part of the lower end of the outer circumferential surface.

In the present invention, the second elastic body 1543 serves to have a clearance for the complete restraint of the connection of the second wedge (1541) and the coupling member 20, it is preferable to use a coil spring. Do.

In addition, the second wedge cover 1544 serves to support the outer circumferential surface of the second wedge 1541 that the connecting member 20 bites, and the hollow formed through the shaft in the axial direction downward from the center of the upper surface has a constant inner diameter. And has a structure consisting of a conical lower hollow extending downward from the lower end of the upper hollow and the inner diameter increases toward the bottom, and a screw portion is formed on the upper inner circumferential surface to be engaged with the sun circuit 1532, the second wedge (1541), The second elastic connection member 1542 and the second elastic body 1543 are fastened in a covered state.

In summary, the turning part 153 may be turned within a range in which the turning circuit 1532 is in contact with the fixing catching jaw 152T based on the fixing part 152.

Referring to Figure 3 (a), the articulated coupler 15 of the panel retaining wall structure using the articulated coupler according to the present invention further includes a latch restraint portion 155, the hook portion 153 is caught The sphere 1531 may be provided with a plurality of restraining protrusions 1531T protruding from each other, and the catching hole 1531 may be restrained by the catching restricting portion 155.

The locking block restraint unit 155 is coupled to the support plate 1551 fixed to the inside of the fixing unit 152, the elastic spring 1552 installed on the support plate 1551, and the elastic spring 1552, and has a plurality of side surfaces. A constraining cylinder 1553 having a through hole formed therein, and a plurality of constraining bolts 1554 inserted into the fixing portion 152 from the outer circumferential surface of the fixing portion 152 to constrain the constraining cylinder 1553. .

Referring to Figure 3 will be described a process of restraining the latch (1531) the latch (1531).

First, referring to FIG. 3 (a), the locking opening 1531 is shown before being restrained by the restraining cylinder 1553, and the restraining cylinder 1553 is defined by the restraining bolt 1554. It is constrained, the elastic spring (1552) is compressed, the locking hole (1531) can be rotated in the locking space (152S) of the fixing portion (152).

Referring to FIG. 3 (b), after the turning part 153 is rotated and the restraining bolt 1554 is released, the restraining cylinder 1553 is locked by the elastic force of the elastic spring 1552. It moves toward the restraining protrusion 1531T of 1531, and is in close contact with the restraining protrusion 1531T.

Referring to Fig. 3 (c), the restricting bolt 1554 is tightened and inserted into the through hole of the restricting cylinder 1553, and the restricting cylinder 1553 is fixed by the restricting bolt 1554. By restraining the latch 1531, the latch 1531 is fixed.

Therefore, after the turning part 153 is rotated, the turning part 153 is fixed so as not to rotate to the fixing part 152 through the locking hole restraint part 155, thereby the turning part 153 and the fixing part ( 152 may be securely fastened.

When the connecting member 20 is inserted into the second wedge 1541 of the connecting member fastening part 154, the second wedge 1541 is opened, the second elastic body 1543 is compressed, and the connecting member 20 is connected to the connecting member 20. When inserted into the fastening portion 154 and the connecting member 20 is pulled out of the connecting member fastening portion 154, the second wedge 1541 is narrowed and in close contact with the outer circumferential surface of the connecting member 20 to fix the connecting member 20. By doing so, the connecting member 20 is constrained by the connecting member fastening part 154 so as not to be separated from the connecting member fastening part 154.

In the panel retaining wall structure using the refractive coupler according to the present invention, as the reinforcing material 5 is integrated with the target ground 2, the resistance to the pulling and tension of the reinforcing material 5 may be increased, and the stability of the slope may be increased.

In the present invention, the connecting member 20 is a connecting member for connecting the first pressure plate 10 and the prefabricated panel 25, the connecting member fastening portion 154 using a material having good bending strength, tensile stress, etc., such as stranded wire, steel bar, etc. ) And one end is fitted, the other side is fastened to the mounting portion 40 through the prefabricated panel 25 and the second pressure plate (35).

The connecting member 20 according to the present invention can directly connect with the prefabricated panel 25 without a separate connecting member by using a stranded wire or a steel rod having excellent bending strength, tensile stress, etc., and has good fluidity to penetrate the connecting member 20. Even if the position of the through-hole and the connecting material 20 slightly shifted, the fastening can be performed without affecting the reinforcing material 5 at all, thereby improving the workability.

In the present invention, the connecting member 20 is surrounded by a synthetic resin pipe such as PVC, and the outside thereof is covered with a waterproof protective material 75 can obtain the waterproofing and rustproof effect of the connecting member 20.

In the prefabricated panel 25 according to the first embodiment of the panel retaining wall structure using the refractive coupler according to the present invention, as shown in FIG. 5, a through hole 51 is formed to insert the upper portion of the connecting member 20. A plurality of base jaw 52 is formed at the upper and lower portions, and recesses 54 and protrusions 53 are formed at upper and lower ends, respectively, and at the same time, the recesses 54 and protrusions 53 are assembled. A fitting hole 55 is formed to fit the vertical fixing pin 80 to assemble the panel 25.

In addition, a recess 54 is formed at one side end, and a protrusion 53 is formed at the other end so that neighboring prefabricated panels 25 may be connected to each other.

6, the panel 25 according to the second embodiment of the panel retaining wall structure using the refractive coupler according to the present invention may have a plurality of supporting jaws 52 formed at both front sides thereof. In addition, fitting holes 55 are formed in the recessed portions 54 and the protrusions 53 formed at both side ends, respectively, and vertical fixing pins 80 are inserted into the fitting holes 55, so that neighboring prefabricated panels 25 are formed. The bonding force of the is improved, the prefabricated panel 25 can be built more firmly.

In addition, referring to Figure 7, the prefabricated panel 25 according to the present invention is a prefabricated panel 25 according to the first embodiment and the prefabricated panel 25 according to the second embodiment can be installed in combination Since it is possible to reduce the number of panels in the same area as compared to the conventional, it is possible to install the economic retaining wall according to the site conditions.

Thus, the prefabricated panel 25 according to the present invention has a vertical fixing pin 80 in the fitting hole 55 formed in the recess 54 and the protrusion 53 of the upper and lower ends in order to firmly laminated to each other. Then, the fitting holes 55 of the prefabricated panel 25 to be laminated in correspondence with the catching jaw 56 of one side front and the catching jaw 56 of the other side back are fitted with the fitting holes ( The front wall body may be formed by vertically stacking the vertical pins 80 inserted into the vertical pins 80.

In addition, in the present invention, the prefabricated panel 25 is a fine aggregate such as silica sand, a filler such as calcium carbonate, a connecting material such as glass fiber and methyl methacrylate, an epoxy resin, an unsaturated polyester resin, a methyl methacrylate monomer, or the like. It is a polymer concrete made by containing binder, dye, and gloss material. It does not use water, so there is no degradation of freeze-thawing, and by using modified polymers such as methyl methacrylate, the mechanical properties such as tensile and bending strength can be improved. Excellent, low water absorption, excellent waterproofness, excellent resistance to freezing and thawing, color, gloss, etc. can be freely adjusted.

The foundation part 30 according to the present invention is that concrete is poured along the periphery of the target ground 2 in the lower part of the prefabricated panel 25 so as to support the lower part of the prefabricated panel 25, and the prefabricated part is formed on the upper part of the basic part 30. A recess (not shown) is formed so that the panel 25 can be stacked, and the recess 25 is provided with a fitting hole 55 into which the vertical fixing pin 80 can be fitted. The vertical fixing pin 80 fitted into the fitting hole 55 is fitted into the fitting hole 55 of the prefabricated panel 25 to be firmly supported.

Vertical fixing pins 80 used in the prefabricated panel 25 and the base portion 30 is about 30 ~ 50cm per piece is appropriate, the material may be steel, such as steel bar.

The second pressure plate 35 according to the present invention has a through hole (not shown) formed so that the connecting member 20 can be attached to the assembled panel 25 by penetrating the upper portion of the connecting member 20 through the assembled panel 25. In this way, it is installed for stress distribution of the ground and the prefabricated wall subjected to the concentrated stress. The thickness and size of the second pressure plate 35 is determined after the examination of the punching shear failure of the second pressure plate 35. The fixing part 40 is coupled to the upper surface of the second pressure plate 35 to bind the upper portion of the connecting member penetrating through the second pressure plate 35 to be integrated with the assembled panel 25.

Referring to FIGS. 8 and 9, the fixing unit 40 has a cross-section for maintaining an elastic gap with the second pressure plate 35 in a C-shaped gap retaining ring 101, a gap retaining ring ( 101) Wedge head 102 having a wedge installation space of an inclined inner surface and opening up and down on one side, wedge 12, the outer peripheral surface of which is inclined and divided into a plurality of wedge installation space of the wedge head 102, many Head protection cap that is fastened in a state that covers the elastic connecting member 13 and the gap retaining ring 101, the wedge head 102, the wedge 12 and the elastic connecting member 13 to connect the wedge 12 is formed into a dog (103).

In the present invention, the gap retaining ring 101 is made of a material having elasticity in the form of a C-shaped ring cross-section can elastically maintain the gap with the second pressure plate 35, the damaged prefabricated panel 25 In case of recovery, the head protection cap 103 is separated, and then, when the connecting member 20 is tensioned with a predetermined tensile force with a tensioner, a space in which the C-shaped gap retaining ring can move is generated, and the C-shaped gap retaining ring 101 The opening of the wedge head is positioned in a straight line with the protrusions of the wedge head 102 to separate the gap retaining ring 101, and once the gap retaining ring 101 is removed, the wedge 12 can be removed. Clearances can be created to separate the wedge 12, so that the damaged prefabricated panel 25 can be easily replaced without affecting the connecting material 20 at all.

In the present invention, the wedge head 102 is formed on the outer circumferential surface to be coupled to the thread formed on the inner circumferential surface of the head protection cap 103, the gap retaining ring 101 at one end of the recess (not shown) Wedges 12 are formed to be engaged (not shown) is fitted with the gap retaining ring 101, the upper and lower openings, the wedge installation space of the inclined inner surface, the connection member 20 bites It serves to support the outer circumferential surface of the, has a structure consisting of a conical lower hollow that extends downward along the axial direction at the center of the upper surface and the inner diameter increases downward. The thread may be female or male.

On the other hand, the wedge 12 is in the shape of a cone with a hollow, but is divided into a plurality, that is, two to three along the axial direction, the O-ring on the recess (not shown) formed on the outer peripheral surface of the lower end in the contact state in the form of a cone By elastically coupling the elastic connection member 13, such as, such that the shape of the cone is maintained, the upper end is well-opened around the engaging portion of the lower end of the outer peripheral surface.

In the present invention, the head protection cap 103 is formed with a female thread or a male thread on the inner circumferential surface of the wedge 12, the wedge head 102, the elastic connection member (not shown) and the spacing ring coupled to the connecting material 20 After covering the 101, it is fastened to the thread formed on the outer peripheral surface of the gap retaining ring (101).

As described above, the panel retaining wall structure using the articulated coupler according to the present invention is structurally robust by firmly connecting the reinforcement 5 and the prefabricated panel 25 without an additional connecting member, and through the color of the prefabricated panel. Not only can the wall beautify beautifully, but the refraction coupler 15 and the fixing part 40 can be used to quickly and conveniently repair the poor prefabricated panel 25. Since construction is simplified, construction time can be reduced.

By using the articulated coupler 15, the prefabricated panel 25 and the reinforcement 5 can be connected even when the prefabricated panel 25 and the reinforcement 5 do not coincide, thereby making construction work quick and convenient. It has an effect.

2. Construction method of panel retaining wall structure using refractive coupler

In another aspect, the present invention is a step of drilling a target ground (2) at a predetermined angle to form a punching hole (1) with a constant diameter, and then inserting the upper portion of the reinforcing material (5) protruding into the drilling hole (1) ; (B) injecting a grouting material into the drilling hole 1 into which the reinforcing material 5 is inserted; (C) fixing the grouting material through the upper part of the reinforcing material 5 through the first pressure plate 10 and then tensioning the reinforcing material 5 with the refractive coupler 15; (D) fitting one side of the connecting member 20 to the refractive coupler 15; After the foundation 30 is installed at the bottom of the target ground 2 by digging, the refraction coupler 15 is pivoted so that the other upper portion of the connecting member 20 is sequentially mounted on the prefabricated panel 25 and the second pressure plate 35. (E) passing through and stacking the prefabricated panel 25 on the base 30 to form a front wall; (F) filling earth and sand in the space between the prefabricated panel 25 and the target ground 2; And (g) coupling and fastening the fixing unit 40 to the upper portion of the connecting member 20 through which the second pressure plate 35 is penetrated.

Hereinafter, the construction method of the panel retaining wall structure using the refractive coupler of the present invention is as follows.

In the construction method of the panel retaining wall structure using the refractive coupler according to the present invention, the ground of the target ground 2 is excavated, and then drilled at a predetermined angle to form a drilled hole 1 having a constant diameter. At this time, it can be perforated in an upward direction, a downward direction or a horizontal direction based on the horizontal plane.

The reinforcement 5 is inserted into the perforated hole 1 so as to protrude, and the grouting material is injected into the perforated hole 1 to grout. When the grouting material is solidified, the upper part of the reinforcing material 5 protruding from the drilling hole 1 passes through the first pressure plate 10, and then the reinforcing material 5 is tensioned to fix the reinforcing material 5 with the refractive coupler 15. It is integrated with the ground (2). One side of the reinforcing material 5 is fitted to the first wedge 1511 of the reinforcing material fastening part 151 of the refractive coupler 15 formed in the first pressure plate 10 to which the reinforcing material 5 is fixed.

After the foundation 30 is installed at the lower end of the target ground 2, the second wedge of the connecting member fastening portion 154 of the refractive coupler 15 to the prefabricated panel 25 and the second pressure plate 35 is formed. 1541) sequentially penetrates the upper portion of the other side of the connecting member 20, and forms a front wall by stacking the prefabricated panel 25 on the upper portion of the base portion 30.

The base part 30 is to be poured with concrete along the periphery of the target ground 2 to the lower part of the prefabricated panel 25 to support the lower part of the prefabricated panel 25, the prefabricated panel 25 above the base part 30 Recesses (not shown) are formed to stack the recesses, and the recesses are provided with fitting holes 55 into which the vertical fixing pins 80 can be fitted, and the fitting holes 55 of the base part 30 are formed. The vertical fixing pin 80 fitted in the) is fitted into the fitting hole 55 of the prefabricated panel 25 to be firmly supported.

Thus, the earth and sand are filled in the space between the prefabricated panel 25 and the target ground 2 forming the front wall, and then the connecting member 20 through the prefabricated panel 25 and the second pressure plate 35 is tensioned. (20) Finish by fastening the fixing unit 40 to the upper portion.

The construction method of the panel retaining wall structure using the refractive coupler according to the present invention can be used in anchor, rock bolt or nailing method, etc., if the ground is difficult to form the gravity retaining wall, or if the need for sharp slope cutting in construction conditions, steep cut surface It can be applied stably to the target ground (2) can be installed up or down in the reinforcement (5), in the case of upwards, using a combined drainage and soil nail (not shown) with a reinforcement (5) Without installing a separate drainage facility, it is possible to simultaneously play the role of a reinforcement material 5 and a role of a drainage hole for discharging the pore water collected in an oil pipe (not shown) of a combined drainage nail to the outside through a drain pipe (not shown).

In addition, since the reinforcement 5 and the prefabricated panel 25 work independently, the reinforcement 5 does not affect the reinforcement 5 at all, and is structurally more stable than the existing retaining wall method. By using concrete, the thickness of the prefabricated panel 25 becomes thinner, the strength of the concrete is further enhanced, the crack and stability of the panel are increased, and the exterior of the wall can be beautifully beautiful through the color of the prefabricated panel 25. In addition, by using the articulated coupler 15 and the fixing unit 40, it is possible to quickly and conveniently repair the poor assembled panel 25, and at the same time the structure of the retaining wall structure is simplified and construction is easy. This saves time.

As described above, although the detailed description of the present invention has been made by the embodiments, it is understood that the present invention is limited to the above embodiments only because the above-described embodiments have only been described with reference to preferred examples of the present invention. It should not be understood that the scope of the invention should be understood as the claims and equivalents described below.

1: drilling hole 2: target ground 5: reinforcement
10: first pressure plate 15: refractive coupler 151: reinforcing material fastening portion
152: fixing part 153: turning part 154: connecting member fastening portion
20: connecting member 25: prefabricated panel 30: foundation
35: second pressure plate 40: fusing unit 51: through hole
52: base jaw 53: protrusion 54: lumbar
55: fitting hole 56: locking jaw 80: vertical fixing pin

Claims (6)

A reinforcing member which is supported to protrude from the inside of the target ground;
A first acupressure plate having a through hole through which the upper portion of the stiffener is formed;
An articulated coupler having one side coupled to an upper portion of the reinforcement penetrating the first pressure plate and having a central portion pivoted thereto;
A coupling member fitted to the other side of the refraction coupler fastened with the reinforcement and pivoting about the center of the refraction coupler through the refraction coupler and configured of a strand or a steel rod;
A prefabricated panel having a through hole formed to penetrate the other side of the connecting member and being fitted to each other;
A base for supporting the prefabricated panel;
A second acupressure plate having a through hole formed therein so as to penetrate the upper part of the connecting member penetrating the prefabricated panel and be fixed to the prefabricated panel; And
It includes a fixing unit coupled to the upper portion of the connecting member penetrating the second acupressure plate,
The refractive coupler,
A first wedge which is divided into a plurality and has a space into which the reinforcing material can be inserted; A first elastic connecting member connecting the plurality of first wedges; A first elastic body installed above the first wedge to limit any movement of the first wedge; And a reinforcing member fastening part configured to be fastened in a state in which the first wedge and the first elastic body are covered and having a first wedge cover having a screw part on an outer circumference thereof.
A fixing portion having a screw portion on one inner circumferential surface to be engaged with the screw portion of the first wedge cover, and a fixing catching jaw is formed on the other inner circumferential surface and having a locking space formed therein;
A locking mouth inserted into the locking space of the fixing part and hooked to the fixing locking jaw and coupled to the fixing part so as to be pivotable, and protruding from one side of the locking hole, protruding from the fixing part, and having a screw portion on an outer circumferential surface thereof. Turning part;
A second wedge which is divided into a plurality and has a space into which the connecting member can be inserted; A second elastic connecting member connecting the plurality of second wedges; A second elastic body installed above the second wedge and fixed to an end of the sun circuit to restrict any movement of the second wedge; And a connection member fastening part including a second wedge cover which is fastened in a state in which the second wedge and the second elastic body are covered and has a screw part on one inner circumferential surface to be fastened to the thread part of the sun circuit. And
A support plate fixed inside the fixing part, an elastic spring installed on the support plate, a constraining cylinder coupled to the elastic spring and having a plurality of through holes formed on a side thereof, and an inner side of the fixing part from an outer peripheral surface of the fixing part. Included in the locking fixture including a plurality of restraint bolts for restraining the restraint cylinder,
A plurality of restraining protrusions protruding from the first acupressure plate side of the locking hole are formed,
When the restraint bolt is released from the fixing part, the restraining cylinder is moved to the restraining protrusion side of the locking hole by the elastic force of the elastic spring to be in close contact with the restraining protrusion, and the restraining bolt is close to the fixing part side. It is tightened to be inserted into the through-hole of the restraint cylinder to fix the restraint cylinder, characterized in that the locking mechanism is restrained and fixed by the restraint cylinder.
Panel retaining wall structure using articulated coupler.
delete The method of claim 1,
The fixing unit has a C-shaped spacing retaining cross section for maintaining a spacing with the second pressure plate; A wedge head having a wedge installation space of an inner surface inclined upwardly and downwardly on one side of the gap retaining ring; A wedge having an outer circumferential surface inclined and divided into a plurality of wedge installation spaces of the wedge head; An elastic connecting member connecting the plurality of divided wedges; And a head protection cap fastened in a state where the gap retaining ring, the wedge head, the wedge, and the elastic connection member are covered.
Panel retaining wall structure using articulated coupler.
The method of claim 1,
The prefabricated panel has a plurality of base jaw is formed on the front, the bottom, the top and the bottom end is formed with a recess (돌출 部) and a protrusion, and the vertical fixing pin for assembling the prefabricated panel on the recess and the protrusion is bound Characterized in that the fitting hole is formed
Panel retaining wall structure using articulated coupler.
Drilling a target ground at an angle to form a drilling hole with a constant diameter, and then inserting the upper portion of the reinforcing material into the drilling hole so as to protrude;
(B) injecting a grouting material into the drilling hole into which the reinforcing material is inserted;
(C) when the grouting material is solidified, penetrating the upper portion of the reinforcing member to the first pressure plate and then tensioning the reinforcing member with the refractive coupler according to claim 1;
(D) fitting one side of a connecting material to the refractive coupler;
The foundation is installed through a trench at the bottom of the target ground, the pivot coupler is pivoted and fixed, and the other upper part of the connecting member is sequentially passed through the prefabricated panel and the second pressure plate, and the prefabricated panel is laminated on the upper part of the foundation. (E) forming a front wall;
(F) filling soil in a space between the prefabricated panel and the target ground; And
And (g) coupling and fixing the fixing unit to an upper portion of the connecting member penetrating the second acupressure plate.
Construction method of panel retaining wall structure using refractive coupler.
The method of claim 5,
The predetermined angle of the step (a) is selected from the group consisting of the upward direction, the downward direction and the horizontal direction in the horizontal plane
Construction method of panel retaining wall structure using refractive coupler.

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