KR101574666B1 - Embankment type reinforced earth retaining wall - Google Patents

Abstract

According to the present invention, disclosed is an embankment type reinforced earth retaining wall which constitutes a front structure using a natural stone. According to the front structure, at least two layers of natural stones are stacked which are located in front of the front structure and are separated horizontally. And the natural stones of adjacent layers are arranged alternatively with each other, and the natural stones which are adjacent to each other in a vertical direction come in contact with each other.

Description

{EMBANKMENT TYPE REINFORCED EARTH RETAINING WALL}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a reinforced earth retaining wall, and more particularly, to a reinforced earth retaining wall constituting a front structure using natural stone.

In civil engineering or construction sites, reinforcement should be considered to the inclined plane of the embankment which is generated between the areas where altitude is different in the process of embedding the cut slope or ground of the cut slope formed by cutting the rock part or the earth.

The cut part is a structure for sloping sloped surface by arbitrary incision, and the embossed part is a structure for a sloped surface formed by altitude difference during embossing. The construction method of the cut part and the fill part can be variously suggested.

Among these, the reinforcement construction method considering the landscape not only safety and economical but also external beauty should be applied.

Generally, the concrete part can be presented with a concrete pavement or a retaining wall structure using a blast stone (natural stone).

It is difficult to satisfy the landscaping aspect when constructing the embankment as a retaining wall structure using concrete pouring. In addition, when the building is constructed of a retaining wall structure using natural stone, the landscape aspect is satisfied and flexibility and variability corresponding to the slope can be secured. However, it is difficult for the natural stone to maintain the support state when the stone is piled up. Highly skilled construction techniques are needed.

An object of the present invention is to provide a reinforced earth retaining wall which is constructed of a front structure using natural stones so as to be structurally stable and firmly combines natural stones of the front structure with reinforcement members and has convenience in construction.

In order to solve the above-mentioned problems, the embankment retaining wall according to the present invention comprises: a reinforcing body having a sloping and inclined front face by laminating multiple layers of the gravel; A front structure disposed on a front surface of the reinforcing member, the natural stones disposed horizontally spaced apart being stacked by at least two layers, the natural stones of adjacent layers being staggered, and the natural stones being vertically adjacent to each other; A plurality of horizontally arranged multi-layer heaters arranged in spaced spaces formed between the natural stones horizontally spaced apart from the rear surface of the front structure facing the front surface of the reinforcing member, The first and second through holes being formed at both ends thereof, respectively, and the first and second through-holes are formed in a pair of natural stones arranged on both sides in the horizontal direction of the spacing space, Plates; First set anchors, one end of which is fixed to the natural stones and the other end is exposed through the first and second through-holes of the connection plates; First anchoring nuts having a first annulus and coupled to the other end of the first setanks to fix the connecting plate; A plurality of fixing members arranged at positions spaced apart from the inclined surface in the reinforcing member in correspondence with positions of the respective layers in which the connecting plates are arranged; And linear members which horizontally expand horizontally by zigzag for each of the layers on which the connection plates and the fixing members are disposed to join the first anchor ring nuts and the fixing members of the layer to each other .

In the present invention, the natural stones of different layers are in contact with each other to distribute the load, so that the structural stability of the front structure can be achieved.

In addition, the present invention can achieve structural stability by combining the natural stones of the front structure with reinforcing bars and connecting plates.

Further, according to the present invention, a natural stone can be firmly coupled to a reinforcing body by using a connecting plate combined with a natural stone, and convenience for constructing the embankment reinforcing earth retaining wall can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a sectional view showing a preferred embodiment of the embankment reinforced earth retaining wall of the present invention. Fig.
Fig. 2 is a rear view of the front structure before filling the mortar on the back side of the flake. Fig.
Fig. 3 is a rear view of the front structure after filling the mortar on the back side of each side.
4 is a partially enlarged cross-sectional view illustrating a method of fixing a front structure to a reinforcement body using a wire.
5 is a plan view illustrating a method of fixing a front structure to a reinforcement body using a wire.
6 is a partially enlarged cross-sectional view illustrating a method of joining natural stones horizontally adjacent to each other using a reinforcing bar and a set anchor.
7 is a perspective view illustrating an anchor ring nut coupled to a connection plate;
8 is a side sectional view of Fig. 7; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it should be understood that the following embodiments are provided so that those skilled in the art will be able to fully understand the present invention, and that various modifications may be made without departing from the scope of the present invention. It is not.

The embankment reinforced earth retaining wall of the present invention is formed on the embankment and is formed using the reinforcement member (70). Here, the retaining wall includes the front structure 10 in which the natural stones 12 are laminated in multiple layers, and the reinforcing member 70 refers to a structure constituting the reinforcing soil using the reinforcing material such as a linear member to compose the gravel.

The front structure 10 can be implemented in various ways other than the natural stone 12 as shown in Fig. As a concrete example, it can be constructed using a prefabricated block or a concrete wall.

Referring to FIG. 1, an embodiment of a reinforced earth retaining wall according to the present invention includes a front structure 10, connecting plates 20, set anchors 30, anchor nuts 40, a fixing member 52, A linear member 50, and a reinforcement member 70. [

First, the reinforcing member 70 is formed so as to have a sloped front surface with a plurality of gravel-like layers stacked thereon. The reinforcing member 70 can be constructed by repeatedly performing the process of compaction of the embankment for backfill and the embankment of the embankment on the rear side of the front structure 10. [ The backfill can be made by using soil or rubble at a constant height, such as 20 cm, and the compaction is preferably carried out to have a degree of compaction of 90 to 95% or more.

On the other hand, the front structural body 10 is placed on the front surface of the reinforcement body 70. The front structural body 10 includes at least two natural stones 12 horizontally spaced apart, Are arranged alternately with each other, and the natural stones 12 that are adjacent to each other are configured to abut each other.

The natural stone 12 used in the front structure 10 of the embodiment means a large mountain gravel such as a blast stone processed for landscaping and preferably has a thickness of 300 mm or more and a height of at least 100 to 120 mm or more. However, natural stones are not limited to those described above, and various types of natural stone capable of forming upper and lower retaining walls may be included.

The lower part of the front structure 10 is supported by the concrete layer 200.

The concrete layer 200 includes a foundation concrete layer 210 and a filler concrete layer 220. The foundation concrete layer 210 is laid in order to reinforce the soft ground of the ground 300, The concrete layer 220 is laid to firmly support the lower portion of the natural stones 120 erected on the foundation concrete layer 210.

After the concrete layer 200 is laid, the space formed on the front surface of the front structure 10 by the tearing machine may be pre-filled 400 using the gravel.

The natural stones 12 of the front structure 10 are horizontally spaced and stacked in a plurality of layers. The natural stones 12 arranged vertically adjacent and staggered are configured to abut each other. With the above construction, the front structure 10 can be constituted by a structure in which one natural stone 12 of the upper layer directly contacts two natural stones 12 of the lower layer and the load is dispersed. That is, one natural stone 12 of the upper layer can be supported by two natural stones 12 directly contacting the bottom.

The front structure 10 facing the front surface of the reinforcement member 70 has a spacing space between the natural stones 12 separated by horizontally spacing the natural stones 12 and being staggered by layers.

Preferably, the spacing spaces are finished so that they can feel the beauty of the shape when viewed from the front of the front structure 10. To this end, each of the spacing spaces is provided with a finishing portion. The finishing portion can be configured to include the limestone 14, the reinforcement 16, the anchor 18, and the mortar 19.

Each of the stone portions 14 is formed to be exposed on the front surface of the front structure 10 in a spaced space, and a plurality of stones may be arranged horizontally and laminated in multiple layers. The stones are machined to a size enough to accommodate a plurality of pieces in the spacing space, and may have a shape such as a rectangular shape.

The reinforcing bars 16 are disposed horizontally and spaced apart from the rear surface of each of the stone blocks 14 so that both ends of the reinforcing bars 16 are engaged with the setankars 18. Therefore, the natural stones 12 horizontally spaced apart from each other through the spacing space can be fixed by the combination of the reinforcing bars 16 and the anchor casings 18. At this time, both ends of the reinforcing bar 16 can be joined to the end portions of the respective setankers 18 by welding or the like, and the set anchors 18 can be partially inserted into the grooves formed in the natural stones 12 And can be fixed by a fixing agent filled in grooves formed in the natural stones 12.

The structure of the limestone 14 and the reinforcing bar 160 before the mortar 19 is installed can be understood with reference to Figure 2. Both ends of the reinforcing bar 16 are fixed by using the set anchors 18 Combining with the natural stones 12 can be understood with reference to Fig.

The mortar 19 may be formed on the rear surface of each of the stone portions 14 and the mortar 19 may be formed to have a thickness that fills the space between the rear surfaces of the respective stone portions 14 and bury the reinforcing bars 14 .

At least one connecting plate 20 may be formed in each of the spaced spaces on the rear surface of the front structure 10 having the above-described configuration.

The construction of the connecting plate 20 after the above-mentioned mortar 19 is installed can be understood with reference to FIG.

The connection plate 20 may have through holes 21 and 22 at both ends thereof and at least one through hole 23 may be formed between the through holes 21 and 22. [ The connecting plate 20 has a length extending so as to be positioned in a pair of natural stones 12 disposed at both sides in the horizontal direction of the spacing space. The construction of the connecting plate 20 and the joining method can be understood in more detail with reference to Figs. 7 and 8. Fig.

The connecting plate 20 is fixed to the natural stones 12 using the set anchors 30. [ More specifically, each set anchor 30 is configured such that one end is fixed to the horizontally spaced natural stones 12 and the other end is exposed through the through holes 21, 22 of the connecting plate 20 .

Anchoring nuts 40 are coupled to the other ends of the set anchors 30, respectively. The anchor ring nuts (40) have a ring-shaped body that forms a ring, and a nut is formed on one side of the outer peripheral surface. That is, the bolts formed at the other end of the set anchors 30 and the nuts formed in the anchor ring nuts 40 may be combined.

That is, the connection plate 20 can be fixed horizontally between the horizontally spaced natural stones 12 by the combination of the set anchor 30 and the anchor ring nuts 40.

Fixing members 52 may be provided at positions spaced apart from the inclined surfaces of the reinforcing member 70. The fixing members 52 may be formed of a plurality of pieces corresponding to the positions of the respective layers in which the connecting plates 12 are disposed .

The fixing members 52 are for fixing a bent portion on one side in the longitudinal direction of a zigzag pattern of a linear member 50 to be described later. The fixing members 52 are installed at bent portions on one side in the lengthwise direction of the zigzag pattern of the linear member 50 and are vertically installed from the upper portion to the lower portion of the reinforced member 70 which is filled with embankment. Further, the fixing members 52 may be formed of a fixing pin having an upper portion such as a " shape "for supporting the fastened state with the linear member 50, and may be manufactured using reinforcing bars.

The linear members 50 are horizontally expanded in a zigzag manner horizontally by the layers on which the connecting plates 20 and the fixing members 52 are disposed and the anchor ring nuts 40 and the fixing members 52 And the liver.

Each of the linear members 50 can use a band-shaped stiffener and can be deployed such that one side of the zigzag pattern in its lengthwise direction is pierced through the anchor ring nuts 40. The natural stone 12 of the front structure 10 can be fixed to the reinforcing member 70 by using the linear member 50 described above. The linear member 50 may be formed of any one of the iron wire or the ribbon type geosynthetic fiber as well as the above-mentioned band-shaped reinforcement.

The zigzag pattern is a pattern in which the natural stones 12 are repeatedly bent as they extend in the longitudinal direction in which the natural stones 12 are arranged horizontally while reciprocating between the anchor rings 40 and the fixing members 52, And can be expressed in a meandering shape.

The linear member 50 may serve as a reinforcing member capable of preventing the movement of the embeddable body 50, and may be formed in a multilayer structure with a predetermined height at intervals in the reinforcing member 70.

The coupling between the fixing members and the ring of the anchor ring nuts 40 using the above-described linear member 50 can be understood in more detail with reference to Figs. 4 and 5. Fig. 4 and 5, the linear member 50 includes an anchor ring nuts 40 coupled to one connection plate 20, an anchor rings 40 coupled to two or more connection plates 20 spaced horizontally or vertically, The ring nuts 40 can be engaged with the rings of the engagement members.

In the above-described configuration, the embodiment of the present invention may further include a drainage layer 500 and a drain pipe 510. The drainage layer 500 is formed by using an aggregate containing gravel in the reinforcement member 70. The drainage pipe 500 is inserted into the drainage layer 500 and the other end is inserted into the drainage layer 500. [ And can be configured to pass through the dead end of the predetermined position. Here, the drain pipe 510 may be configured to be exposed on the front surface of the front structure 10 through the stone portions 14 and the mortar 19.

The embodiment of the present invention may be configured such that the anchor ring nut 40 having a loop is further coupled to the through hole 23 of the connection plate 20 and the through hole 23 is formed by the linear member 50, The hook of the anchor ring nut 40 coupled to the fixing member 52 can be engaged with the fixing member 52.

The anchor ring nut 40 is engaged with the bolt 42 passing through the through hole 23 of the connecting plate 20 and the bolt 42 of the bolt 42 is engaged with the through hole 23 of the connecting plate 20. [ And a nut 44 is coupled to one side. That is, the anchor ring nut 40 is fixed to the connecting plate 20 by being engaged with the bolt 42 having one side joined to the nut 44.

As described above, since the embodiment of the present invention is configured, the natural stones of different layers can be in contact with each other to distribute the load, so that the front structure can be structurally stabilized. As a result, the stability of the embankment- have.

Further, the embodiment of the present invention can combine natural stones included in the front structure and horizontally spaced by using reinforcing bars and connecting plates, thereby achieving structural stability.

Further, in the embodiment of the present invention, the natural stone can be firmly combined with the slope slope, and convenience for constructing the embankment reinforced earth retaining wall can be provided.

Claims (5)

A reinforcement body repeatedly carrying out compaction of the embankment with the embankment so as to laminate the gravel in multiple layers and having a sloping front;
Wherein at least two natural stones disposed horizontally and spaced apart from each other are stacked on at least two layers, the natural stones of adjacent layers are staggered, the natural stones adjacent to each other are arranged to abut each other, A front structure for forming a structure in which the natural stone directly abuts against the two natural stones of the lower layer to disperse the load;
A plurality of horizontally arranged multi-layer heaters arranged in spaced spaces formed between the natural stones horizontally spaced apart from the rear surface of the front structure facing the front surface of the reinforcing member, Wherein the first and second through-holes are formed at both ends thereof, and at least one third through-hole is formed between the first and second through-holes, the first and second through- A connecting plate having a length extending to be located on a pair of the natural stones disposed on both sides of the direction;
First set anchors, one end of which is fixed to the natural stones and the other end is exposed through the first and second through-holes of the connection plates;
First anchoring nuts having a first annulus and coupled to the other end of the first setanks to fix the connecting plate;
A second anchor ring nut coupled to the third through hole and having a second annulus;
Fixing members arranged in the reinforcing member corresponding to positions of the respective layers where the connecting plates are disposed and vertically installed from the upper portion to the lower portion of the reinforcing member at positions spaced apart from the front surface of the reinforcing member; And
Wherein the connecting plates and the fixing members are horizontally expanded in a zigzag manner by layers on which the fixing plates and the first and second anchoring loops are fixed, And a stiffener for connecting the members to each other. delete The method according to claim 1,
Wherein the front structure comprises closure portions for closing the spacing spaces,
Each of the finishing portions,
A plurality of omnidirectional sheets stacked in a plurality of layers in a horizontal direction so as to be exposed on a front surface of the front structure, and closing the spacing spaces;
At least one reinforcing bar spaced apart from the rear surface of the slabs in the spacing space and having opposite ends fixed to sides of the natural stones arranged on both sides in the horizontal direction of the spacing space;
Second set anchors, one end of which is fixed to the side of each natural stone where the ends of the one or more reinforcing bars are located, and the other ends of which are combined with the reinforcing bars; And
And a mortar having a thickness that fills the spacing space of the rear surface of the flake chamber and has a thickness to fill the at least one reinforcing bar.


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