KR101656015B1

KR101656015B1 - Natural Panel type retaining wall

Info

Publication number: KR101656015B1
Application number: KR1020160002762A
Authority: KR
Inventors: 정의엽; 서석현; 황민식
Original assignee: 덴버코리아이엔씨 주식회사; 정의엽
Priority date: 2016-01-08
Filing date: 2016-01-08
Publication date: 2016-09-08

Abstract

The present invention relates to a natural rock panel retaining wall for reinforcing slopes for preventing collapse of a cut surface formed in various roads and flat surface compositions, and more particularly, Which is capable of stably reinforcing the cut surface by connecting anchors which are fixed and intruded in the connection grooves by connecting bars and anchor connection reinforcing bars.
A natural rock panel reinforced retaining wall for slope reinforcing according to the present invention comprises a plurality of PC panels, Anchoring bolts having one end fixed to the inside of the PC panel and the other end protruding to the rear side of the PC panel and having four vertically and horizontally disposed anchor bolts; Anchors penetrated and settled within the ground of the cut-off surface; A plurality of connecting bars having a plurality of grooves formed on an outer circumferential surface thereof by connecting the anchor bolts vertically and horizontally to form a rectangular shape; And an anchor connecting bar which is connected to one side of the connecting bar at one end and is connected to the anchor end at the other end, and hooks are formed at one end and the hook is engaged with the groove of the connecting bar; .

Description

Natural Panel type retaining wall for slope reinforcement [

The present invention relates to a natural rock paneled retaining wall for reinforcing slopes for preventing collapse of a cut surface formed in various roads and flat surface compositions, and more particularly, Which is capable of stably reinforcing the cut surface by connecting anchors which are fixed and intruded in the connection grooves by connecting bars and anchor connection reinforcing bars.

There is a cut-off surface having a predetermined inclination angle in the case of cutting a river, a shore area, mountainous area, or hilly land to construct various roads or construct a flat land.

Since there is a risk of collapse when these cut-off surfaces are left untouched, a method of reinforcing cut-off surfaces by various methods has been proposed.

Among them, in the registered patent No. 10-0911300, an anchor bolt is fixed and manufactured in such a manner that an anchor bolt protrudes from the factory at the rear side of the natural stone 50, and then the product is brought into the field, and the anchor bolt of the natural stone 50 is anchored A connection structure between a stepped retaining wall for reinforcing the cut surface and a soil nailing tensile material for supporting the cut-away retaining wall, and a method for constructing a stepped retaining wall using the same are disclosed (FIG. 1).

However, since the position of the anchor bolt is fixed to the natural stone 50 while the position of the anchor applied to the cut-off surface varies according to the site conditions, the operation of connecting the anchor and the anchor bolt with the wire 30 There is a drawback that it is very inconvenient.

As a result, the wire 30 can be engaged with a diagonal line, which makes it difficult to fasten the coupler, and the material cost can be increased because of the length of the wire 30, which is uneconomical.

On the other hand, the reinforcing panel reinforcing the cut surface such as the natural stone 50 is likely to be transferred to the front before being fixed to the anchor located in the ground. Conventionally, a scaffold is formed on the front surface of the reinforcing panel or a separate support is provided to support the reinforcing panel.

Therefore, there is a problem that the air and the construction cost are increased due to the additional process.

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a natural rock panel retaining wall for reinforcing a cut surface by joining an anchor bolt with an anchor regardless of the position of an anchor bolt disposed on a rear surface of a reinforcement panel.

Since adjacent PC panels are fixed to each other with fixtures to support adjacent PC panels, there is no risk of increase in air and construction cost due to installation of scaffolding or supports, thereby providing economical slope reinforcement natural rock panel retaining walls I want to.

According to a preferred embodiment of the present invention, a plurality of PC panels, which are installed on a front surface of a cut-soil surface, Anchoring bolts having one end fixed to the inside of the PC panel and the other end protruding to the rear side of the PC panel and having four vertically and horizontally disposed anchor bolts; Anchors penetrated and settled within the ground of the cut-off surface; A plurality of connecting bars having a plurality of grooves formed on an outer circumferential surface thereof by connecting the anchor bolts vertically and horizontally to form a rectangular shape; And an anchor connecting bar which is connected to one side of the connecting bar at one end and is connected to the anchor end at the other end and hooks are formed at one end so that the hook is engaged with the groove of the connecting bar; The present invention provides a natural rock panel resilient retaining wall for slope reinforcement.

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According to another aspect of the present invention, there is provided a natural rock panel retaining wall for reinforcing a slope, wherein fasteners connecting and fixing adjoining PC panels are coupled to upper portions of joints of left and right adjacent PC panels.

According to another preferred embodiment of the present invention, the fixture is composed of a pair of fixed blocks slantingly in close contact with the front and rear surfaces of the PC panel, and connection bolts connecting the fixed blocks. It provides a retaining wall.

According to another preferred embodiment of the present invention, there is provided a natural rock panel resilient retaining wall for reinforcing slopes, wherein the connecting bolts are a pair.

According to another preferred embodiment of the present invention, there is provided a natural rock panel retaining wall for reinforcing a slope, wherein a fixing plate closely attached to the outside of the fixing block is coupled to the connecting bolt.

The present invention has the following effects.

First, the anchor bolt protruding from the rear side of the PC panel can be combined with the anchor which is penetrated and fixed in the ground of the cut-off surface by the connection bar and the anchor connection reinforcing bar. Therefore, regardless of the position of the anchor bolt, the cut surface can be reinforced, which is convenient for construction.

Second, when the anchor connecting rod is coupled to the connecting bar by hooking the hook formed at one end of the anchor connecting rod to the groove of the connecting bar, it is possible to prevent the position of the anchor connecting rod from fluctuating excessively by moving along the connecting bar.

Third, when adjacent PC panels are fixed to each other by fixtures to support adjacent PC panels, there is no fear of increase in air and construction cost due to scaffolding and support installation, which is economical.

1 is a side cross-sectional view showing an embodiment of a retaining wall for supporting a conventional cut-away surface.
2 is a side sectional view of a natural rock paneled retaining wall for slope reinforcing according to the present invention,
3 is a perspective view of a natural rock paneled retaining wall for slope reinforcing according to the present invention.
4 is a perspective view showing a coupling relationship between a connecting bar and an anchor connecting reinforcing bars;
5 is a perspective view illustrating a PC panel coupled by a fixture;
6 is a perspective view of the fixture.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

FIG. 2 is a side sectional view of a natural rock paneled retaining wall for slope reinforcing according to the present invention, which is constructed on a cut-off surface, and FIG. 3 is a perspective view of a natural rock panel retaining wall for reinforcing slopes according to the present invention.

2 and 3, the natural rock paneled retaining wall for reinforcing slopes according to the present invention includes a plurality of PC panels 1 having a natural rock-like shape on the front surface of a cut-off surface; Anchoring bolts (2) having one end fixed to the inside of the PC panel (1) and the other end protruding to the rear surface of the PC panel (1) Anchors (3) intruded and fixed within the ground of the cut-off surface; A plurality of connecting bars (4) formed by connecting the anchor bolts (2) vertically and horizontally to form a rectangular shape and having a plurality of grooves (41) formed on the outer circumferential surface thereof; And a hook 51 is formed at one end so that the hook 51 is connected to the groove 41 of the connecting bar 4. The hook 51 is connected to one end of the connecting bar 4 and the other end is connected to the end of the anchor 3, Anchor connecting bar 5 to be engaged with the anchor connecting bar 5; .

In the PC panel 1, a front surface provided on the entire cut-off surface is a natural rock-like shape, and a plurality of vertically, horizontally, and vertically adjacent surfaces can form a constant wall surface.

The PC panel 1 may be vertically arranged with the upper part of the ground so that the distance from the cut-off surface to the upper part of the cut-off surface becomes wider.

In the present invention, the cut-off surface means not only a cut-away surface formed by cutting out soil, but also inclined slopes inclined at a predetermined angle with respect to the ground, such as embankment formed to form an inclined surface.

The anchor bolts 2 are positioned so that one end and the other end protrude into the interior of the PC panel 1 and the rear surface of the PC panel 1, respectively.

The anchor bolts (2) are vertically, horizontally, and vertically provided on the respective PC panels (1).

3, the anchor bolts 2 are equally installed so that the centers of the PC panel 1 and the centers formed by the four anchor bolts 2 coincide with each other, desirable.

The anchor bolts 2 may be fixed to the inside of the PC panel 1 with one end being formed in a shape.

The other end of the anchor bolt 2 may be formed with a coupling ring or a coupling hole through which the connecting bar 4 passes for coupling the connecting bar 4 to be described later.

The anchor 3 is intruded and fixed in the ground of the cut-off surface as shown in Fig.

The connecting bars (4) are provided to connect the anchor bolts (2) vertically and horizontally.

3, the connecting bar 4 is arranged in a rectangular shape through an engaging hole formed at the other end of the plurality of anchor bolts 2, respectively.

The connecting bar 4 may be a reinforcing bar, a steel bar, a computer bolt, or the like, and may be connected to the other end of the anchor bolt 2 by welding or a coupler.

One end of the anchor connecting bar 5 is connected to one side of the connecting bar 4 and the other end is connected to an end of the anchor 3 to support the PC panel 1 on the anchor 3.

Thus, the anchor 3 is connected to the anchor connecting rod 5 and the anchor connecting rod 5 is coupled to one side of the connecting bar 4 so that the anchor connecting rod 4 can be inserted at a desired position irrespective of the position of the anchor bolt 2 5) can be connected.

Therefore, the PC panel 1 can be supported on the cut surface regardless of the position of the anchor bolts 2.

The other end of the anchor connecting bar 5 can be connected to the anchor 3 and the coupler 7.

A backing filler 8 is filled between the PC panel 1 and the cut surface.

4 is a perspective view showing the coupling relationship between the connecting bars and the anchor connecting bars.

4, a hook 51 is formed at one end of the anchor connecting bar 5, and a plurality of grooves 41 are formed on the outer circumferential surface of the connecting bar 4, And can be configured to be engaged with the groove 41.

4, the hook 51 of the anchor connecting bar 5 is inserted into the groove 41 of the connecting bar 4, and the hook 51 of the anchor connecting bar 5 is connected to the connecting bar 4 by various methods, The connecting bar 4 does not move to the outside of the groove 41 of the groove 41 to which the connecting bar 4 is coupled.

Therefore, it is possible to prevent the anchor connecting rod 5 from moving along the connecting bar 4 due to an external force or an elapse of time, and thus to prevent the position from being excessively changed.

That is, since the position of the anchor connecting bar 5 is fixed, the PC panel 1 is stably placed on the cut- .

The groove 41 may be formed by grooving the outer circumferential surface of the connecting bar 4 or by joining a plurality of pipes having an inner diameter slightly larger than the outer diameter of the connecting bar 4 and having a shorter length on the outer circumferential surface of the connecting bar 4 It is possible.

5 is a perspective view illustrating a PC panel coupled by a fixture.

As shown in FIG. 5, fasteners 6 for connecting and fixing the adjacent PC panels 1 may be coupled to the upper portions of the joining portions of the left and right adjacent PC panels 1.

The fixture 6 is coupled to an upper portion of the joint portion to which the adjacent PC panel 1 is joined to connect the adjacent PC panel 1.

That is, since the fixture 6 is fixed by connecting the left and right adjacent PC panels 1, adjacent PC panels 1 can be supported by each other.

Therefore, it is not necessary to provide a separate scaffold or support for preventing the PC panel 1 from being turned over, which is convenient and economical.

6 is a perspective view of the fixture.

6, the fixture 6 for connecting and fixing the left and right adjacent PC panels 1 includes a pair of fixing blocks 61 that are slidably brought into close contact with the front and rear surfaces of the PC panel 1, And a connecting bolt 62 connecting the block 61.

The fixing block 61 of the fixture 6 is disposed obliquely to cross the upper portion of the adjacent PC panel 1 at the same time and is positioned on the front and rear sides of the PC panel 1. [

At this time, the pair of fixing blocks 61 adjust the mutual spacing by the nuts coupled to the connecting bolts 62. Therefore, by adhering the pair of fixing blocks 61 to the front and rear surfaces of the PC panel 1, the position of the adjacent PC panel 1 can be fixed at the time of construction.

The connection bolts 62 may be configured as a pair.

When a pair of fixing blocks 61 disposed on the front and back surfaces of the PC panel 1 are mutually connected by a pair of connecting bolts 62 spaced apart at regular intervals, the fixing blocks 61 do not rotate with each other, .

A fixing plate 63, which is in close contact with the outer side of the fixing block 61, may be coupled to the connection bolt 62.

The fixing plate 63 has a size slightly larger than the diameter of the connecting bolt 62.

The fixing plate 63 uniformly presses the fixing block 61 from the outside of the fixing block 61 to prevent the fixing block 61 from being worn to fix the PC panel 1 properly.

The fixing plate 63 is weldable to the connection bolt 62. In addition, the fixing plate 63 can fix the position of the fixing bolt 63 by connecting a nut to the bolt 62.

1: PC panel 2: Anchor bolt
3: Anchor 4: Connection bar
41: groove portion 5: anchor connection reinforcing bar
51: Hook 6: Fixture
61: fixing block 62: connecting bolt
63: Fixing plate 7: Coupler
8: Backfill material

Claims

A plurality of PC panels (1) having a front surface provided in front of the cut-away surface in a natural rock shape;
Anchoring bolts (2) having one end fixed to the inside of the PC panel (1) and the other end protruding to the rear surface of the PC panel (1)
Anchors (3) intruded and fixed within the ground of the cut-off surface;
A plurality of connecting bars (4) formed by connecting the anchor bolts (2) vertically and horizontally to form a rectangular shape and having a plurality of grooves (41) formed on the outer circumferential surface thereof; And
And the hook 51 is formed at one end so that the hook 51 is connected to the groove 41 of the connecting bar 4 and the other end is connected to the end of the connecting bar 4, (5) anchored connecting anchors; Wherein the natural rock panel reinforcement is formed of a natural rock panel reinforcement for slope reinforcement.

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The method of claim 1,
And a fixture (6) for connecting and fixing the adjacent PC panel (1) is coupled to the upper part of the joining portion of the left and right adjacent PC panels (1).

4. The method of claim 3,
The fixture 6 is composed of a pair of fixing blocks 61 slantly brought into close contact with the front and rear surfaces of the PC panel 1 and connection bolts 62 connecting the fixing blocks 61. Natural rock panel reinforced retaining wall.

5. The method of claim 4,
Wherein the connecting bolts (62) are a pair.

5. The method according to claim 4 or 5,
Wherein the connecting bolt (62) is coupled to a fixing plate (63) which is in close contact with an outer side of the fixing block (61).