KR101530871B1 - Retaining Wall Having Natural Rock And Construction Method Thereof - Google Patents

Retaining Wall Having Natural Rock And Construction Method Thereof Download PDF

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Publication number
KR101530871B1
KR101530871B1 KR1020150003281A KR20150003281A KR101530871B1 KR 101530871 B1 KR101530871 B1 KR 101530871B1 KR 1020150003281 A KR1020150003281 A KR 1020150003281A KR 20150003281 A KR20150003281 A KR 20150003281A KR 101530871 B1 KR101530871 B1 KR 101530871B1
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South Korea
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natural stone
natural
basic
fiber reinforcement
base
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KR1020150003281A
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Korean (ko)
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이재경
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이재경
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0266Retaining or protecting walls characterised by constructional features made up of preformed elements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0075Textiles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details

Abstract

The present invention relates to a natural stone retaining wall structure and a construction method thereof. The objective of the present invention is to provide a natural stone retaining wall structure and a construction method thereof capable of firmly fixing natural stones and preventing the destruction and overturning of the natural stone retaining wall by easily hardening backfilling soil. The natural stone retaining wall structure is formed by separately installing the natural stones from an inclined surface or a cut surface at a predetermined distance and then charging a space between the natural stone and the inclined surface or the cut surface with backfilling soil. The natural stone retaining wall structure comprises: a plurality of natural foundation stones fixed on the ground in an erected state; a plurality of natural stones piled up in multiple stages to be positioned on the natural foundation stones; fixing units installed on the rear surface of the natural foundation stones and the natural stones; foundation fiber reinforcements having one end connected to the fixing units fixed on the natural foundation stones and the other end extended upward along the inclined surface or the cut surface; and a plurality of horizontal fiber reinforcements to support the natural stones by horizontally connecting the fixing units fixed on the natural stones and connection units installed in the foundation fiber reinforcements positioned along the inclined surface. The present invention can form the natural stone retaining wall structure by integrally connecting the foundation fiber reinforcements and the horizontal fiber reinforcements of the natural stone retaining wall structure without an additional fixing unit to fix fiber reinforcements connected to the natural stones.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a natural stone retaining wall structure using a staple fiber reinforcing material,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a natural-stone retaining wall structure using a band-shaped fiber reinforcing material and a method of constructing the natural-stone retaining wall structure using the band-shaped fiber reinforcing material and a horizontal fiber reinforcing material for supporting natural stones provided on the lower- And a method for constructing a natural-stone retaining wall and a method for constructing a natural-stone retaining wall, wherein a foundation fiber reinforcement and a horizontal fiber reinforcement of a natural-stone retaining wall structure are integrally connected to each other to improve workability and supportability.

Generally, the retaining wall structure is constructed to prevent collapse due to the leakage of the soil from the soil or slope of roads and rivers. It is constructed of bricks, concrete, concrete panels and concrete blocks. Material retaining wall constructions are widely used.

However, the retaining wall of the above-mentioned concrete material gives an uncomfortable feeling due to the specific color and uniform shape of the concrete, and the natural scenery is damaged. Particularly, when a retaining wall made of concrete is installed on slopes and cut-out areas of apartment complexes, residential complexes, parks, etc., Natural marine stone retaining walls have been constructed using processed natural stones processed from natural stones or blasting stones in recent years.

The natural stone retaining wall is installed such that a natural stone is positioned on the front surface exposed to the outside with respect to an inclined surface of a part such as a flower bed and the like. The natural stone is installed on the front surface, The natural stones and the fixing means are connected and fixed to each other, and then the rear natural stones are filled with back-filling soil.

However, in the conventional natural stone retaining wall, a fixing means such as a concrete structure or an iron plate or an anchor is provided at a rear portion of a natural stone in order to support and fix a natural stone located on the front side, and a natural stone retaining wall is connected to the fixing means As a result, not only the number of working steps due to the fixing means is increased but also the total construction cost is increased due to the production of the fixing means.

In addition, since the fixing means is installed in the rear portion of the natural stone (the portion where the backfill is filled), there is a problem that the compaction operation (the degree of compaction of 85% or more) can not be smoothly performed due to the installation of the fixing means. In other words, since the conventional natural stone retaining wall is provided with a fixing means, it is difficult to sufficiently compose the natural stone to be filled in the rear portion of the natural stone, so that the stone stone filled in the back of the natural stone does not function as a back- So that the relative movement of the soil is increased. As a result, the natural stone retaining wall is transferred.

In the conventional natural stone retaining wall, the connection means for connecting the natural stone and the fixing means are connected to the fixing means by welding or the fixing means is made of a metal material. When the natural stone is embedded for a long period of time, Or the fixing means itself is corroded and the bearing capacity of the natural stone is lowered.

Patent Registration No. 10-1383624 (April 4, 2014) Patent Registration No. 10-1378123 (Apr. 19, 2014) Patent Registration No. 10-1138179 (April 14, 2012) Patent Registration No. 10-1376225 (Mar. 13, 2013)

An object of the present invention is to provide a natural-stone retaining wall structure and a method of constructing a natural-stone retaining wall using a band-shaped fiber reinforcing material capable of firmly connecting and fixing natural stones and easily collapsing the back-filling soil to prevent breakage and conduction of the natural stone retaining wall.

The present invention provides a natural-stone retaining wall structure in which a natural stone is installed at a predetermined distance from a sloped surface or a cut surface, and a backfill soil is filled between the natural stone and the sloped surface or the incised surface, A plurality of natural stones fixedly installed on the ground in a standing manner, a plurality of natural stones stacked at a plurality of stages so as to be located on the upper side of the basic natural stones, a fixture provided on the rear surface of the basic natural stones and the natural stones, A foundation fiber reinforcement which is installed so that one end is connected and the other end extends upwardly along an inclined surface or a cut surface, and a connection port provided on a foundation fiber reinforcement located along the inclined surface, The natural fiber reinforcing material and the horizontal fiber reinforcing material of the natural stone retaining wall structure are integrally connected to form a natural stone retaining wall structure without a separate fixing means for fixing the fiber reinforcing material connected to the natural stone including a plurality of horizontal fiber reinforcing materials .

Since a plurality of natural stones stacked in a multi-stage by a basic fiber reinforcement connected to a basic natural stone are connected and supported by a horizontal fiber reinforcing member, the construction can be carried out without a fixing space required for raising the frictional resistance value, In this way, the construction of the natural stone retaining wall can be facilitated, the construction time can be shortened, and the construction cost can be reduced.

Since the foundation fiber reinforcement connected to the basic natural stone and the horizontal fiber reinforcement connected to the natural stone are connected to each other, the supporting force of the entire natural stone retaining wall structure is further improved.

In the present invention, the lower backfilling step is designed to break the pressure hole 140 back into the layered backfill 130, thereby increasing the frictional force between the passive resistance and the stiffener through reinforcement of the stiffener during backfilling .

Since the basic fiber reinforcement and the horizontal fiber reinforcement are pressed and supported by the pressing force of the small connecting rod and the large connecting rod of the fixing device, the basic fiber reinforcing material and the horizontal fiber reinforcing material are firmly coupled to the basic natural stone and natural stone. Further, a supporting groove into which the basic fiber reinforcement and the horizontal fiber reinforcement are inserted is formed in the small connecting rod, so that the separation of the basic fiber reinforcement and the horizontal fiber reinforcement from the fixture is prevented.

Since the foundation fiber reinforcement and the horizontal fiber reinforcement are made of a solid circular structure, it is possible to easily carry out the connection work with the natural stone and the connector.

Since the foundation fiber reinforcement and the horizontal fiber reinforcement are connected by the fixture and the connection hole, the natural stone is firmly supported without welding portions for fixing the horizontal fiber reinforcement, so that the strength against the twist or angle is weak It is possible to solve the problem caused by the corrosion and deformation of the welded part, and it is possible to reduce the excellent workability and the entire construction period.

The present invention is not provided with a settlement field for supporting a horizontal fiber reinforcing material, and it is easy to compaction work on backfill soil, and therefore, while a natural stone is stacked in multiple stages, a natural stone is safely retained Can be formed.

The present invention provides a support base on which a natural stone can be partially or wholly placed on the rear surface of a natural stone, so that the natural stone retaining wall can be easily stowed and the back-fill soil is not lost.

The band-shaped structural fiber reinforcing material of the present invention is made to be buried in a state in which the band-shaped structural fiber reinforcing material is kept open when backfilled, thereby increasing the frictional force of the band-shaped fiber reinforcing material and increasing the connection strength between the natural stone and the ground.

1 is an exemplary view showing a natural-stone retaining wall structure according to the present invention;
FIG. 2 is an exemplary view showing the configuration of a fastener according to the present invention. FIG.
3 is an exemplary view showing the constitution of a basic fiber reinforcement and a horizontal fiber reinforcement according to the present invention
4 is an exemplary view showing a configuration of a connector according to the present invention.
5 is a view illustrating an example of a construction method of a natural stone retaining wall structure according to the present invention.
6 is an exemplary view showing the connection relationship of the horizontal fiber reinforcing member according to the present invention
7 is an exemplary view showing still another structure of a natural stone retaining wall structure according to the present invention.

FIG. 1 is a view showing an example of a natural stone retaining wall structure according to the present invention, FIG. 2 is a view showing the construction of a fixture according to the present invention, and FIG. 3 is a view showing a structure of a basic fiber reinforcing material and a horizontal fiber reinforcing material according to the present invention 4 is a view illustrating an example of a configuration of a connector according to the present invention,

The present invention relates to a natural-stone retaining wall structure in which a natural stone is installed at a predetermined distance from a sloped surface or a sloped surface (hereinafter referred to as a "sloped surface"), and backfill soil is filled between the natural stone and the sloped surface or incised surface,

A plurality of natural stones 10 which are fixedly installed in a standing manner on the ground 100 and a plurality of natural stones 20 which are stacked at a plurality of stages so as to be located on the upper side of the basic natural stones 10, 32 and a fixture 31 fixed to the base natural stone 10 so that one end of the fixture 31 is connected to the other end of the fixture 31 and the other end of the fixture 31 extends upwardly along the inclined surface 200 The foundation stone 20 is horizontally connected to the base fiber reinforcement 40 and the fixture 32 fixed to the natural stone 20 and the connection hole 60 provided in the foundation fiber reinforcement 40 located along the inclined surface 200, And a plurality of horizontal fiber stiffeners 50 for supporting the horizontal fibers.

A plurality of the natural stones 10 are installed horizontally in a standing manner on the ground, and the natural stones 20 are installed in a plurality of stages so as to be located on the upper side of the basic natural stones 10. In other words, a basic natural stone 10 is placed at the bottom of the natural stone retaining wall structure 300, and a plurality of natural stones 20 are installed in multiple stages in accordance with the height of the slope 200, above the basic natural stone 10.

The natural stone 20 and the basic natural stone 10 use the same natural stones only for the installation location. In other words, the basic natural stone 10 and the natural stone 20 include all kinds of stones that can be obtained in a natural state, such as a natural stone such as a mountain stone, an interpretation, a stone stone, And is fixedly installed.

As shown in FIG. 2, the fixtures 31 and 32 include a set anchor 33 installed in the base natural stone 10 or the natural stone 20 and a set anchor 33 installed in the base natural stone 10 or the natural stone 20 And a set anchor 33 which is inserted into the seating groove 35 of the pelletizing material and through which the set anchor 33 is inserted, And a fixing nut 38 fastened to the set anchor 33 and pressing and fixing the nonwoven fabric 36 in the direction of the nonwoven fabric 34. Further, a washer 39 may be further provided between the fixing nut 38 and the small burner 36.

The support 36 is formed with a support groove 37 having a predetermined depth on the contact surface with the pelletizer 34. The support groove 37 is formed between the pelletizer 34 and the sub- When the base fiber reinforcement 40 or the horizontal fiber reinforcement 50 is installed so as to be positioned on the base fiber reinforcement 40 or the horizontal fiber reinforcement 50, And has a function of not being released to the outside.

That is, the depth L of the support groove 37 is smaller than the thickness t or the diameter d of the basic fiber reinforcement or the horizontal fiber reinforcement, and the depth L of the support anchor 33 and the fixing nut 38 Not only the basic fiber reinforcement 40 or the horizontal fiber reinforcement 50 is pressed and supported by the coupling force of the nonwoven fabric 34 and the nonwoven fabric 36 by the fastening force, The base fiber reinforcement 40 or the horizontal fiber reinforcement 50 is prevented from separating from the fixtures 31 and 32. [

The basic fiber reinforcement 40 is connected to the basic natural stones 10 to prevent the basic natural stones 10 from being conducted and the horizontal fiber stiffeners 50 connected to the plurality of natural stones 20 stacked in a multi- 60 to support the natural stone 20.

The base fiber reinforcement 40 is installed at one end thereof to the fixture 31 provided at the base natural stone and at the other end to extend upwardly along the slope 200. That is, the basic fiber reinforcement 40 includes a horizontal part 41 embedded to maintain a horizontal state with respect to the ground 100, a slope part 41 formed integrally with the horizontal part 41 and extending along the slope 200, (42). The base fiber reinforcement 40 may be fixed to the inclined surface 200 by the end of the horizontal portion 41 and / or the inclined portion 42 by the fixing means 70 such as an anchor bolt.

The horizontal fiber reinforcing member 50 is connected to a fixture 32 having one end fixed to the rear surface of the natural stone and the other end connected to a connection port 60 provided at the inclined portion 42 of the foundation fiber reinforcement And firmly supports the natural stone 20. That is, the horizontal fiber reinforcing member 50 has a plurality of natural stones 20 arranged in a horizontal direction and connected to the inclined portions 42 of the basic fiber reinforcing member by connecting ports 60, And the connection ports 60 provided in the main body 100 are connected to each other in a zigzag fashion.

The horizontal fiber reinforcing material 50 may further be connected to the base natural stone 10. That is, the horizontal fiber reinforcing material may be further provided on the foundation natural stones 10 provided with the foundation fiber reinforcing material so as to be located above the foundation fiber reinforcing material.

As shown in FIG. 3, the base fiber reinforcement 40 and the horizontal fiber reinforcement 50 are made of a core material 43 and 53 made of a polyester (PET) fiber bundle and the outside of which is coated with polyethylene (PE) Band structures 40a and 50a or solid circular structures 40b and 50b including the covering materials 44 and 54. [

The basic fiber reinforcement material and the horizontal fiber reinforcement material (also referred to as an "echo bar") of the belt-like structures 40a and 50a are formed of left and right stiffeners 45 and 55, right and left stiffeners 46 and 56, And intermediate stiffeners (47, 57) formed between the bolts (46, 55, 56) and formed with a plurality of bolt holes (48, 58). The left stiffeners 45 and 55 and the right stiffeners 46 and 56 are spaced apart from each other and the left stiffeners 45 and 55 and the right stiffeners 46 and 56 are connected to each other by intermediate stiffeners 47 and 57, The left stiffeners 45 and 55 and the right stiffeners 46 and 56 are provided with the covering members 44 and 54 coated with polyethylene on the outside of the core members 43 and 53, The intermediate stiffeners 47 and 57 are made of only polyethylene without core.

The base fiber reinforcement material and the horizontal fiber reinforcement material (so-called 'echo strap') of the band-like structures 40a and 50a formed in this manner are attached to the left and right side stiffeners 45, 46, and 55 around the intermediate stiffeners 47 and 57, 56 can be folded so as to be in contact with each other, and the width can be deformed according to the installation position, so that a strong coupling with the object can be achieved.

Bolt holes 48 and 58 through which the set anchor 33 can pass are formed in the intermediate stiffeners 47 and 57 of the base fiber reinforcement and the horizontal fiber reinforcement of the band-like structures 40a and 50a, 31 and 32 can be simply and firmly connected.

As shown in FIG. 3 (b), the strip-like basic fiber reinforcement and the horizontal fiber reinforcement are formed in a state of being provided with coverings 44 and 54 coated with polyethylene on the outside of the core members 43 and 53 .

As shown in Fig. 3 (c), the core fibers 43 and 53 have a circular cross-section and the core fibers 43 and 53 Are formed so as to surround the cover materials 44 and 54 made of polyethylene along the outer surface. The basic fiber reinforcement material and the horizontal fiber reinforcement material of the solid circular structures 40b and 50b may be provided by a single wire or may be formed in a shape of a superficial shape 40c or 50c formed by spirally fusing two or more fibers as shown in Figure 3 (d) And can be connected and installed.

The base fiber reinforcement material and the horizontal fiber reinforcement material of the solid circular structures 40b and 50b are inserted into the support grooves 37 of the non-burning material when the set anchors 33 and the fixing nuts 32 by the engagement of the nonwoven fabric 36 and the nonwoven fabric 34 by the fastening of the fasteners 36, 38.

When the base fiber reinforcement material and the horizontal fiber reinforcement material of the meshed circular structures 40b and 50b are formed in a twisted shape, the set anchor 33 penetrates through the gaps 40d and 50d between the tweezers, And 32 can be more simply and firmly connected.

The basic fiber reinforcement 40 and the horizontal fiber reinforcement 50 constructed as described above are buried in the backfill soil to serve as ground reinforcement and increase the connection strength between the foundation natural stone and the natural stone and the ground due to the frictional force of the foundation fiber reinforcement.

It is preferable that the base fiber reinforcement 40 and the horizontal fiber reinforcement 50 thus formed are formed into a band-like structure or a twisted core-shell structure and formed into a pretzel shape.

4, the connector 60 includes an intermediate support member (not shown) having a support through hole 62 through which the inclined portion 42 of the basic fiber reinforcement member, which is located along the inclined surface 200, A pair of horizontal supporting members 61 and a horizontal supporting member 61 are integrally connected to both ends of the intermediate supporting frame 61 so as to form a filling supporting hole 65 between the middle supporting frame 61 and the horizontal supporting frame 61, And includes a main support 62 formed so that a through hole 66 penetrates both ends 64 thereof.

That is, the connector 60 is inserted into the horizontal through-hole 66 of the main support so as to penetrate the horizontal fiber reinforcement 50, and is inserted into the support through-hole 62 of the intermediate support 61, The horizontal fiber reinforcing member 50 and the inclined portion 42 of the base fiber reinforcing member are connected to each other by the connecting hole 60. [ At this time, the support through holes 62 and the horizontal through holes 66 may be formed in a cylindrical shape or a square shape according to the basic fiber reinforcement 40 and the horizontal fiber reinforcement 50.

When the backfill is performed between the natural stone 20 and the inclined surface 200, the connection hole 60 is filled with backfill into the filling support hole 65 formed between the intermediate support 61 and the main support 63, 60 is further improved.

Hereinafter, a construction method of a natural stone retaining wall structure having the above structure will be described.

FIG. 5 is an exemplary view showing a construction method of a natural stone retaining wall structure according to the present invention, FIG. 6 is an exemplary view showing a connection relation of a horizontal fiber reinforcing material according to the present invention, and FIG. In order to increase the frictional force between the natural stone retaining wall structure and the foundation foundation, the foundation fiber reinforcement arranged horizontally in the basic natural stone located at the lowermost end of the natural stone retaining wall is provided with an armature The horizontal fiber reinforcement connected to the natural stone is connected to the foundation fiber reinforcement according to the step-by-step embedment.

That is, the present invention provides a natural-stone retaining wall structure in which a natural stone is installed at a predetermined distance from a sloped surface or a cut surface (hereinafter referred to as a "sloped surface") and a back-fill soil is filled between the natural stone and the sloped surface, A method comprising:

A basic natural stone placing step in which a plurality of basic natural stones 10 are placed on the ground 100;

A base bottom backing step of backing up between the base natural stone 10 and the slope 20 so as to be positioned to the lower end of the fixture 31 installed on the rear surface of the base natural stone to form a base lower end 110;

A step of installing a basic fiber reinforcement material in which a foundation fiber reinforcement material 40 is installed along a foundation lower end portion 110 and a slope face 200 so that one end is connected to a fixture 31 installed in a basic natural stone and the other end is located on an upper side of a slope;

An upper-stage top backing step of forming a support base 120 of a natural stone by backfilling between the basic natural stone 10 and the inclined surface 200;

A bottom backing step of horizontally placing a plurality of natural stones 20 on a support base 120 and backing between the natural stones 20 and a slope 200 so as to reach a lower end of a fixture 32 installed on a rear surface of a natural stone;

The connection ports 60 are inserted into the foundation fiber reinforcement 40 located along the slope 200 and the fixtures 32 of the plurality of natural stones placed horizontally with the connection hole 60 are connected to the horizontal fiber reinforcement 50 A horizontal fiber reinforcing material supporting step of supporting the natural stone 20;

Backfilling between the natural stone 20 and the slope 200 so that the fixture 32 of natural stone, the horizontal fiber reinforcing member 50 and the connection hole 60 are embedded, thereby forming another support base 120 of the natural stone Forming a support base;

After the supporting base forming step, the bottom backing step, the horizontal fiber reinforcing material mounting step, and the supporting base forming step are repeated many times to repeatedly laminate a plurality of natural stones 20 in a plurality of stages.

The step of depositing the basic natural stone is a step of compaction of the ground for the base natural stone located at the bottom end of the multi-stage natural stone retaining wall, and a step of depositing the basic natural stone on the ground. The basic natural stone 10 is placed on the ground 100. [ In addition, the ground 100 in the present invention is not limited to a conventional ground, but includes a foundation ground formed by filling a rough terrain with a rubble, and a foundation concrete formed by the placement of a reinforced concrete .

The fixtures 31 and 32 are provided on the rear surface of the basic natural stone 10 and the natural stone 20 and the set anchors 33 and 32 provided on the basic natural stone 10 or the natural stone 20, (34) having one side of a set anchor (33) exposed through the outside of the basic natural stone (10) or the natural stone (20) and having a seating groove (35), and a seating recess A fixing nut 36 which is inserted into the set anchor 33 and into which the set anchor 33 is inserted and a fixing nut 36 which is fastened to the set anchor 33 and presses and fixes the nonwoven 36 in the direction of the bulking material 34 38). Further, a washer 39 may be further provided between the fixing nut 38 and the small burner 36.

In the bottom backing step, a plurality of gravels are installed to a thickness of about 20 to 30 cm so that the gravel is located up to the lower end of the fixture 31 installed on the rear surface of the foundation natural stone. In order to prevent the ground from increasing and sinking, And compaction equipment such as rollers, compaction of 85% or more of compaction is required when building a natural stone retaining wall.

In the step of installing the foundation fiber reinforcement, one end of the foundation fiber reinforcement 40 is connected to the fixture 32 installed in the base natural stone, horizontally extended in the direction of the inclined surface 200, The base fiber reinforcement 40 is provided so as to be extended. At this time, a portion of the basic fiber reinforcement material extending horizontally in the inclined plane direction corresponds to the horizontal portion 41 of the basic fiber reinforcement material, and a portion of the basic fiber reinforcement material extending upward along the inclined surface is an inclined portion 42 of the basic fiber reinforcement material. And the other side end of the basic fiber reinforcing member is located on the upper side of the inclined surface 200. [

In the step of installing the basic fiber reinforcement, the basic fiber reinforcement 40 further includes a reinforcement supporting step in which the intermediate middle is fixedly supported on the inclined surface by the fixing means 70 such as an anchor bolt, as shown in Fig. 7 . The supporting force of the basic fiber reinforcement can be further improved by such reinforcing and supporting step.

In the step of installing the foundation fiber reinforcement, the connection of the foundation fiber reinforcement 40 and the fixture 31 is performed by connecting the base fixture 31 to the set anchor 33 provided in the foundation natural stone 10, After the base fiber reinforcing material 40 is inserted to be inserted into the groove 35 and the nonwoven fabric 36 is inserted into the seating groove 35 of the base material having the basic fiber reinforcing material 40 inserted therein, The fixing nuts 38 are fastened to the set anchors that have penetrated through the small holes 36 and 34 so that the base fiber reinforcements 40 are connected to the fixing holes 31. [

One or more of the basic fiber reinforcements 40 installed as described above are connected to each of the basic natural stones 10 placed on the ground.

The step of installing the basic fiber reinforcement further includes a double reinforcement step in which the horizontal fiber reinforcement 50 is connected. That is, in the step of installing the basic fiber reinforcement, as shown in FIG. 7, after the basic fiber reinforcement 40 is installed on the basic natural stones 10, the connecting fibers 60 are inserted into the basic fiber reinforcements 40 And the connecting base 60 and the basic natural stones can be connected by the horizontal fiber stiffener 50 so as to be positioned above the basic fiber stiffener 40. [

The basic top-end backfilling step is a step of backfilling the basic natural stones (10) and the slopes (200) so that the basic fiber reinforcements (horizontal portions of the basic fiber reinforcements) are buried, and a compactor and a roller A supporting base 120 for natural stone seats is formed by compaction of a layer having a degree of compaction of 85% or more required when a natural stone retaining wall is constructed. At this time, the basic fiber reinforcement material has a backfill material of about 50 to 100 cm or more to improve the supporting force of the basic fiber reinforcing material through the pressing force of the backfill soil and the friction between the basic fiber reinforcement material.

The lower backfilling step horizontally deposits a plurality of natural stones 20 on the support base 120 formed by the base upper backfill step and supports the natural stones 20 and the slopes 200 to the lower end of the fixture 32 installed on the rear surface of the natural stones. ). At this time, compaction and compaction equipments such as rollers are used to compose more than 85% of compaction which is required when building a natural stone retaining wall.

The bottom backfilling step further comprises forming a pressurization hole 140 in the layered backfill 130.

The pressurizing hole 140 is formed in the horizontal direction in which the natural stones are placed on the backfeeding soil 130 so that the pressurizing hole 140 is formed in the pressurizing hole 140 by the backfilling soil 130, A part of the horizontal fiber reinforcing material 50 is inserted, so that the horizontal fiber reinforcing material 50 is installed in a more tense state to improve the supporting force of the natural stone. The horizontal stiffener 50 is formed only to maintain the tension of the horizontal fiber reinforcing member 50 and the horizontal stiffener 50 inserted into the pressing hole 140 causes the natural stones 20 to extend in the direction of the slope 200 The phenomenon of falling does not occur.

The step of installing the horizontal fiber reinforcing material is a step of supporting the natural stone 20 by connecting the fixing hole 32 of the natural stone and the connecting hole 60 connected to the inclined portion 42 of the basic fiber reinforcing material by the horizontal fiber reinforcing material 50 A plurality of natural stones and connection ports are continuously and alternately connected to each other in a zigzag form such as a "fixture-connection-natural-stone fixture-connection" of a natural stone, The horizontal fiber reinforcing member 50 is connected to be tensed to be tilted with respect to the horizontal fiber reinforcing member 50,

The horizontal fiber stiffener 50 can be connected and installed such that the installed horizontal fiber stiffener is tilted in a square shape, such as "connector-natural fixture-natural fixture-connector ".

At this time, the horizontal fiber reinforcing material 50 is inserted to be inserted into the seating groove 35 of the fixing hole. When the horizontal fiber reinforcing material is the band-like structure 50a, the set anchor 33 of the fixing hole is inserted into the bolt hole 58 And is inserted into the seating groove (35) of the fixture so as to pass therethrough. In addition, when the horizontal fiber reinforcing member is a helical structure of the solid circular structure 50b, the set anchor 33 of the fastener is inserted into the clearance 59 between the spirals and inserted into the fastening groove 35 of the fastener.

Both ends of the horizontal fiber reinforcing member 50 are fixed by an anchor bolt or the like or integrally connected to one side of the horizontal fiber reinforcing member by clips, wire bolts or the like. Since the connection is established using a known method, a detailed description thereof will be omitted. Both ends of the basic fiber reinforcement are also treated in the same manner.

4, the horizontal fiber reinforcing material is inserted into the horizontal through hole of the connecting hole, and the basic fiber reinforcing material is inserted into the supporting through hole, Respectively.

The supporting base 120 may be formed by backing up and compaction of a base natural stone and a rear portion of a natural stone, or may be formed of a base natural stone and a natural stone Is formed by backfilling and compaction.

The support base formed in this manner is rigid and compact (tightness of 85% or more, preferably 90% or more) so as to prevent settlement of natural stone, thereby preventing conduction of the entire natural stone retaining wall structure.

The repeating construction step may include a lower backfill step for natural stones installed in multiple stages, a horizontal fiber stiffener installation step for connecting the horizontal stiffener to the natural stones and the connecting stiffeners, and a support foundation forming step for forming the support stiffener Repeatedly, the natural stone is firmly laminated in multiple stages in accordance with the height of the slope.

The natural-stone retaining wall structure constructed as described above is such that all of the horizontal fiber reinforcing materials connected to the individual natural stones stacked in multiple stages are connected to the basic fiber reinforcing material connected to the basic natural stones. Thus, the natural- A plurality of basic fiber reinforcements and a horizontal fiber reinforcement are integrally connected to each other and both the basic fiber reinforcement and the horizontal fiber reinforcement are embedded by the backing soil so that the natural stone retaining wall structure to be installed has excellent supporting force.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

(10): Basic natural stone (20): Natural stone
(31, 32): fixture (33): set anchor
(34): Daeyeon (35): Seated groove
(36): Substrate (37): Support groove
(38): Lock nut (39): Washer
(40): Basic fiber reinforcements (40a, 50a): Band-like structure
(40b, 50b): solid circular structures (40c, 50c): spiral
(40d, 50d): Clearance (41): Horizontal part
(42): inclined portion (43,53): core
(44,54): Cladding material (45,55): Left stiffener
(46,56): Right stiffener (47,57): Medium stiffener
(48,58): Bolt hole (50): Horizontal fiber reinforcement
(60): connector (61): intermediate support
(62): Supporting through hole (63): Main support
(64): Both ends (65): Filled support hole
(66): Horizontal penetration hole (70): Fixing means
(100): ground (110): foundation bottom
(120): support base (130): backfill
(140): a pressurizing hole (200): a cut surface or an inclined surface
(300): Natural stone retaining wall structure

Claims (16)

  1. A natural-stone retaining wall structure in which a natural stone is installed at a predetermined distance from an incline or incision surface, and a back-fill soil is filled between the natural stone and an incline or incision surface;
    A plurality of basic natural stones 10 fixedly installed in a standing manner on the ground 100,
    A plurality of natural stones 20 stacked in a multi-stage so as to be located on the upper side of the basic natural stone 10,
    Fixtures 31 and 32 installed on the rear surface of the basic natural stone 10 and the natural stone 20,
    A basic fiber reinforcement 40 having one end connected to a fixture 31 fixedly installed on the base natural stone 10 and an other end extending upwardly along an inclined surface or a cut surface 200;
    A plurality of horizontal fiber reinforcing members for supporting the natural stone 20 by horizontally connecting fixing members 32 fixed to the natural stone 20 and connecting members 60 provided on the foundation fiber reinforcing member 40 located along the inclined surface 200, (50)
    The fixtures 31 and 32 include a set anchor 33 installed on the base natural stone 10 or the natural stone 20 and a set anchor 33 exposed on the outside of the basic natural stone 10 or the natural stone 20 (36) inserted into the seating groove (35) of the pelletizing material and through which the set anchor (33) is inserted, and a set anchor And a fixing nut (38) which is fastened to the main body (33) and presses and fixes the nonwoven fabric (36) in the direction of the main binding material (34)
    The connector 60 includes an intermediate support 61 formed with a support through hole 62 through which the inclined portion 42 of the base fiber reinforcement is inserted and an end support 64 integrally formed on both sides of the intermediate support 61, And a horizontal support hole 66 through which the horizontal fiber reinforcing member 50 passes is formed to pass through the both ends 64. The main support bracket 65 And the natural stone retaining wall structure.
  2. delete
  3. The method of claim 1,
    The natural stone retaining wall structure according to any one of claims 1 to 4, wherein the non-burning material (36) is further formed with a support groove (37) having a predetermined depth on a contact surface with the flashing material (34).
  4. The method of claim 3,
    Wherein the support grooves (37) formed in the nonwoven fabric (36) are formed such that the depth (L) is smaller than the thickness (t) or the diameter (d) of the foundation fiber reinforcement or the horizontal fiber reinforcement.
  5. The method of claim 1,
    The base fiber reinforcement 40 and the horizontal fiber reinforcement 50 include cover materials 44 and 54 made of polyester (PET) fiber bundles as core materials 43 and 53 and the outside of which is coated with polyethylene (PE) Shaped structure (40a, 50a) or solid circular structures (40b, 50b).
  6. The method of claim 5,
    The basic fiber reinforcement material and the horizontal fiber reinforcement material of the band-like structures 40a and 50a are composed of left side stiffeners 45 and 55 and right side stiffeners 46 and 56 having the core members 43 and 53 and the left and right side stiffeners 45 and 45 , And intermediate stiffeners (47, 57) formed between the upper and lower bolts (46, 55, 56) and formed with a plurality of bolt holes (48, 58).
  7. The method of claim 5, further comprising:
    The base fiber reinforcement and the horizontal fiber reinforcement of the solid circular structures 40b and 50b are formed such that the core members 43 and 53 have a circular cross section and cover members 44 and 54 made of polyethylene along outer surfaces of the core members 43 and 53 Is formed so as to surround the natural-stone retaining wall structure.
  8. The method of claim 7,
    Characterized in that at least two of the basic fiber reinforcement material and the horizontal fiber reinforcement material of the solid circular structures (40b, 50b) are twisted in a spiral shape and formed into a preform shape (40c, 50c).
  9. delete
  10. A method of constructing a natural stone retaining wall structure in which a natural stone is installed at a predetermined distance from an incline or incision surface and backfill soil is filled between the natural stone and an incline or incision surface,
    A basic natural stone placing step in which a plurality of basic natural stones 10 are placed on the ground 100;
    A base bottom backing step of backing up between the base natural stone 10 and the slope 20 so as to be positioned to the lower end of the fixture 31 installed on the rear surface of the base natural stone to form a base lower end 110;
    A step of installing a basic fiber reinforcement material in which a foundation fiber reinforcement material 40 is installed along a foundation lower end portion 110 and a slope face 200 so that one end is connected to a fixture 31 installed in a basic natural stone and the other end is located on an upper side of a slope;
    An upper-stage top backing step of forming a support base 120 of a natural stone by backfilling between the basic natural stone 10 and the inclined surface 200;
    A bottom backing step of horizontally placing a plurality of natural stones 20 on a support base 120 and backing between the natural stones 20 and a slope 200 so as to reach a lower end of a fixture 32 installed on a rear surface of a natural stone;
    The connection ports 60 are inserted into the foundation fiber reinforcement 40 located along the slope 200 and the fixtures 32 of the plurality of natural stones placed horizontally with the connection hole 60 are connected to the horizontal fiber reinforcement 50 A horizontal fiber reinforcing material supporting step of supporting the natural stone 20;
    Backfilling between the natural stone 20 and the slope 200 so that the fixture 32 of natural stone, the horizontal fiber reinforcing member 50 and the connection hole 60 are embedded, thereby forming another support base 120 of the natural stone Forming a support base;
    A plurality of natural stones 20 are stacked in multiple stages by repeating the bottom backing step, the horizontal fiber stiffener mounting step, and the support base forming step a plurality of times after the supporting base forming step,
    The fixtures 31 and 32 include a set anchor 33 installed on the base natural stone 10 or the natural stone 20 and a set anchor 33 exposed on the outside of the basic natural stone 10 or the natural stone 20 (36) inserted into the seating groove (35) of the pelletizing material and through which the set anchor (33) is inserted, and a set anchor And a fixing nut (38) which is fastened to the main body (33) and presses and fixes the nonwoven fabric (36) in the direction of the main binding material (34)
    The connector 60 includes an intermediate support 61 formed with a support through hole 62 through which the inclined portion 42 of the base fiber reinforcement is inserted and an end support 64 integrally formed on both sides of the intermediate support 61, And a horizontal support hole 66 through which the horizontal fiber reinforcing member 50 passes is formed to pass through the both ends 64. The main support bracket 65 Wherein the natural stone retaining wall structure is formed of a metal plate.
  11. The method of claim 10,
    The base fiber reinforcement is installed at one end of the base fiber reinforcement 40 connected to the fixture 32 installed in the base natural stone and horizontally extended in the direction of the slope 200, A basic fiber reinforcement 40 is provided so as to be extended,
    The foundation fiber reinforcement 40 and the fixture 31 are connected to the set anchor 33 provided on the foundation natural stone 10 and the base fiber reinforcement 40 is connected to the foundation anchor 33, The stiffener 40 is inserted into the stiffener 40 and the stiffener 36 is inserted into the seating groove 35 of the stiffener in which the stiffener 40 is inserted. Wherein the base fiber reinforcement member (40) is connected to the fixture (31) by pressing the non-burning solution in the direction of pelletizing by fastening the fixing nut (38) to the penetrating set anchor.
  12. The method according to claim 10 or 11,
    Wherein the step of installing the basic fiber reinforcing material further comprises a reinforcing and supporting step in which the basic fiber reinforcing material (40) is fixedly supported on the inclined surface by the fixing means (70).
  13. The method according to claim 10 or 11,
    Wherein the step of installing the basic fiber reinforcing material further includes a double reinforcing step of further connecting the horizontal fiber reinforcing material (50) to the basic natural stone.
  14. The method of claim 10,
    Wherein the lower backfilling step further comprises forming a pressurization hole (140) in the layered backfill (130).
  15. The method of claim 10,
    In the step of installing the horizontal fiber stiffener, the connecting port (60) is inserted into the basic fiber stiffener (40)
    The horizontal fiber reinforcing member 50 is connected to the zigzag shape so that a plurality of natural stones and connecting ports are alternately connected to each other in a zigzag manner,
    A method of constructing a natural-stone retaining wall structure, the method comprising the steps of: a) providing a horizontal fiber-reinforced material (50) connected to the horizontal fiber-reinforced material (30)
  16. delete
KR1020150003281A 2015-01-09 2015-01-09 Retaining Wall Having Natural Rock And Construction Method Thereof KR101530871B1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101679587B1 (en) * 2016-08-05 2016-11-28 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR101679590B1 (en) * 2016-08-05 2016-11-28 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR101693345B1 (en) 2016-06-29 2017-01-17 (주)상엔지니어링건축사사무소 Retaining wall using natural stones and construction method for this same
KR101701770B1 (en) * 2016-11-09 2017-02-06 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR102137538B1 (en) * 2020-03-27 2020-07-24 주식회사 구마에스앤씨(S&C) the structure of reinforced earth retaining wall and the method of constructing reinforced earth retaining wall
KR102137545B1 (en) * 2020-03-27 2020-07-24 주식회사 구마에스앤씨(S&C) the structure of retaining wall block and the method of manufacturing therof
KR102183249B1 (en) 2020-03-09 2020-11-26 주식회사 휴비스 Fiber Reinforcement Using Yarn Coating And Its Manufacturing Method
KR102185956B1 (en) * 2019-01-24 2020-12-02 정재윤 Fastening apparatus for retaining wall

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KR20090106366A (en) * 2009-05-29 2009-10-08 라이브텍(주) Extile Reinforcement
KR20100036494A (en) * 2008-09-30 2010-04-08 정재영 Connecting strip bars to panel without attachment for reinforced earth retaining wall
JP2011252240A (en) * 2010-05-31 2011-12-15 Maeda Kosen Co Ltd Fiber rod
KR101206668B1 (en) * 2012-02-07 2012-11-29 김진호 Multilayer revetment structure using natural strones

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100036494A (en) * 2008-09-30 2010-04-08 정재영 Connecting strip bars to panel without attachment for reinforced earth retaining wall
KR20090106366A (en) * 2009-05-29 2009-10-08 라이브텍(주) Extile Reinforcement
JP2011252240A (en) * 2010-05-31 2011-12-15 Maeda Kosen Co Ltd Fiber rod
KR101206668B1 (en) * 2012-02-07 2012-11-29 김진호 Multilayer revetment structure using natural strones

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101693345B1 (en) 2016-06-29 2017-01-17 (주)상엔지니어링건축사사무소 Retaining wall using natural stones and construction method for this same
KR101679587B1 (en) * 2016-08-05 2016-11-28 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR101679590B1 (en) * 2016-08-05 2016-11-28 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR101701770B1 (en) * 2016-11-09 2017-02-06 라영혜 Retaining Wall using Natural Rock, and Constructing Method of such Retaining Wall
KR102185956B1 (en) * 2019-01-24 2020-12-02 정재윤 Fastening apparatus for retaining wall
KR102183249B1 (en) 2020-03-09 2020-11-26 주식회사 휴비스 Fiber Reinforcement Using Yarn Coating And Its Manufacturing Method
KR102137538B1 (en) * 2020-03-27 2020-07-24 주식회사 구마에스앤씨(S&C) the structure of reinforced earth retaining wall and the method of constructing reinforced earth retaining wall
KR102137545B1 (en) * 2020-03-27 2020-07-24 주식회사 구마에스앤씨(S&C) the structure of retaining wall block and the method of manufacturing therof

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