JP2000054395A - Slope reinforcing construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the instantaneous collapse of a post-curing slope surface-layer reinforcing material, by holding the post-curing slope surface-layer reinforcing material generating a landslide, etc., from a ground surface by flexible members crosswise disposed and connected to a plurality of anchor bars driven into the face of a slope, or hanging the post-curing slope surface-layer reinforcing material generating the landslide, etc., from the ground surface by flexible members extended and connected up to a stable ground on the upper side of the face of the slop when the face of the slope formed by spraying and curing a slope surface- layer reinforcing material generates a surface-layer slide, the landslide, a slide by aeration, etc. SOLUTION: A plurality of anchor bars 2, in which connectors 2a are formed to head sections, are driven into a ground crosswise at regular intervals under the state, in which the head sections of the anchor bars 2 are exposed onto a ground surface, in the face of a slope of the ground, etc. Flexible members 1 are coupled crosswise to the connectors 2a at the head sections of each anchor bar 2, and the flexible members 1 (1a, 1b) are arranged crosswise onto the face of the slope, to which the anchor bars 2 are driven. Meshes (b) are annexed onto the face of the slope, on which the flexible members 1 are disposed crosswise, and a slop surface-layer reinforcing material (a) such as mortar, concrete, a thick-layer base material, etc., is sprayed from the upper section of the meshes (b) and cured and the face of the slope is reinforced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for reinforcing a slope by spraying a surface reinforcing material such as mortar, concrete, or a thick base material on a slope such as a ground to cure the slope. When the slope formed by spraying and hardening the slope surface layer reinforcing material causes surface slip, landslide, slip due to weathering, etc., it is arranged vertically and horizontally on a plurality of anchor rods cast in the slope. A flexible member that holds a hardened slope surface layer reinforcing material that causes landslides, etc. from the ground surface with a flexible member that is connected to the ground member, or that is extended and connected to a stable ground above the slope surface. The present invention relates to a slope reinforcing method for suspending a surface slope reinforcing material after hardening that causes landslides from the surface of the ground to prevent the hardened slope surface surface reinforcing material from immediately collapsing.

[0002]

2. Description of the Related Art Conventionally, in order to prevent slope collapse and stabilize the slope, such as mortar and concrete, a slope reinforcing material such as mortar or concrete is sprayed and hardened on a slope such as a ground. There is known a method of reinforcing a slope with a slope surface layer reinforcing material.

[0003]

However, when a hardened slope surface reinforcing material such as mortar or concrete reinforced on a slope such as ground or the like causes surface slip, landslide, slip due to weathering, etc. , The slope reinforced with the surface slope reinforcement material after hardening such as concrete collapses immediately, and the lump of the surface slope reinforcement material after hardening such as mortar and concrete falls down and is very dangerous, In the worst case, there was a risk of causing personal injury.

The present invention has been made in view of the above problems, and has been made in order to solve the problems. An object of the present invention is to form a material by spraying a surface layer reinforcing material on a slope to cure the material. For example, when the slope has surface slippage, landslide, weathering, etc., the landslide occurs from the ground surface with a flexible member that is connected vertically and horizontally to a plurality of anchor rods installed in the slope and connected. After the hardening of the slope surface layer after hardening, the reinforcing material is held or the flexible member is extended and connected to the stable ground above the slope, and the hardened slope surface layer is hardened to cause landslides from the ground surface. An object of the present invention is to provide a slope reinforcement method capable of suspending a material and preventing a slope reinforced with a slope surface layer reinforcing material after curing from immediately collapsing.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a plurality of anchor rods each having a connecting part formed on a head thereof are provided on a slope such as a ground. In the state of being exposed on the ground surface of the part, it is driven vertically and horizontally at predetermined intervals in the ground, and the flexible member is connected vertically and horizontally to the connecting tool at the head of each anchor rod, and the anchor rod is driven. A flexible member is arranged vertically and horizontally on the slope, and a mesh is attached to the slope where the flexible member is arranged vertically and horizontally, and a mortar, concrete, thick base material, etc. It consists of means for spraying and hardening a reinforcing material to reinforce the slope.

Here, the connecting member of the head of the anchor rod is formed of a ring, the flexible member is connected to the ring of the head of the anchor rod by being inserted vertically and horizontally, and the flexible member is a wire rope, It may consist of a PC steel wire bundle, a messenger wire rope or an aramid fiber rope.

According to a third aspect of the present invention, a flexible member is vertically and horizontally arranged on a slope such as a ground, and the intersections of the flexible members crossing vertically and horizontally are connected and vertically arranged. One end of the flexible member is extended to a stable ground above the slope and connected to the stable ground, and a mesh is attached to the slope where the flexible member is arranged vertically and horizontally, and And a means for reinforcing the slope by spraying and hardening a slope surface layer reinforcing material such as mortar, concrete, or thick layer base material.

Here, one end of the flexible member arranged in the vertical direction is connected to an anchor bolt fixed to the stable ground,
Both ends of the flexible member arranged in the lateral direction are connected to anchor bolts fixed to the stable ground on both sides of the mortar or concrete slope, and the flexible member is a wire rope,
It may consist of a PC steel wire bundle, a messenger wire rope or an aramid fiber rope.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically based on embodiments of the invention shown in the drawings.

[Embodiment 1] Here, FIG. 1 is a partially cutaway front view of a slope reinforced with a sloped surface layer reinforcing material after hardening, and FIG. 2 is reinforced with a sloped surface layer reinforcing material after hardening. FIG. 3 is a partial perspective view of the slope reinforced with a sloped surface layer reinforcing material after curing.

In FIG. 1, a flexible member 1 provided vertically and horizontally on a slope such as a ground is provided with a vertical flexible member 1a provided in a vertical direction and a flexible member 1a provided in a horizontal direction. It consists of a laterally flexible member 1b. The intersection of the vertical flexible member 1a and the horizontal flexible member 1b is connected to the connecting member 2a on the head of the anchor rod 2. The anchor rods 2 are provided in the vertical and horizontal directions at predetermined intervals on the slope on which the flexible member 1 is disposed in the vertical and horizontal directions. A mesh b such as a wire mesh is attached on the flexible members 1 arranged vertically and horizontally, and a slope reinforcing material such as mortar, concrete, or a thick base material is sprayed thereon. Then, after a lapse of a predetermined time, the blown slope surface layer reinforcing material is hardened, and the slope is reinforced by the hardened slope surface layer reinforcing material a.

The vertical flexible member 1a is disposed inside the vertical direction or the front-rear direction when viewed from the front in the vertical direction with respect to the slope reinforced by the cured slope surface layer reinforcing material a. It is a member provided. The laterally flexible member 1b is disposed in a horizontal direction or a horizontal direction when viewed from the front, that is, in a horizontal direction or a horizontal direction with respect to the slope reinforced with the sloped surface layer reinforcing material a after curing. Member.

The flexible member 1 used for the vertical flexible member 1a and the horizontal flexible member 1b includes a flexible material such as a wire rope, a PC steel wire bundle, a messenger wire rope or an aramid fiber rope. A flexible cord member is generally used. In addition to this, as the flexible member 1, for example, a chain member having a high tensile strength and corrosion resistance, such as a chain or a high tensile strength carbon fiber or nylon, can be used.

The flexible member 1 used for the vertical flexible member 1a and the horizontal flexible member 1b has a sloped surface reinforced with a surface layer reinforcing material a after hardening. Since it is flexible even if it is formed on an uneven surface corresponding to the above, it can be easily disposed inside a slope reinforced with a surface layer reinforcing material a after curing formed on the uneven surface. Can be.

Each of the vertical flexible members 1a disposed in the vertical direction or the front-back direction inside the cured surface slope reinforcing material a,
A longer one is used so as to extend from the upper end of the slope reinforced with the sloped surface layer reinforcement a after curing to the stable ground c on the upper side, and a method reinforced with the sloped surface layer reinforcement a after curing. It is attached so that a certain length is protruded upward from the upper end of the surface.

After the curing, the anchor rods 2 are provided at predetermined intervals in the vertical and horizontal directions on the slope reinforced with the surface reinforcing material a. Each anchor rod 2 is cast deep underground on the slope,
The distal end side of the anchor rod 2 is driven into a stable rock or the like deep underground on the slope to be supported. In addition, each anchor rod 2
Has been driven so that its head is exposed from the surface of the slope.

A connecting member 2a made of, for example, a ring is formed on the head of the anchor rod 2 exposed from the ground surface of the slope. The vertical flexible member 1a and the horizontal flexible member 1b arranged in the vertical and horizontal directions are inserted into a connecting member 2a formed of a ring and connected to the head of the anchor rod 2.

Each of the vertical flexible members 1a and the horizontal flexible members 1b are connected to each of the anchor rods 2 at intersections that cross each other vertically and horizontally.
And is connected by being inserted into the connecting tool 2a of the head. With this connecting member 2a, each of the longitudinal flexible members 1a and the lateral flexible members 1b are connected in a lattice pattern, and the cured surface slope reinforcing material a and each of the longitudinal flexible members 1b are cured. 1a and the adhesion to the lateral flexible member 1b are further increased, and when the cured slope surface layer reinforcing material a has slipped, the cured slope surface layer reinforcing material a is more reliably held. It is possible to prevent the slope reinforced with the slope surface layer reinforcing material a after curing from collapsing.

As described above, a plurality of anchor rods 2 are driven vertically and horizontally at predetermined intervals on the slope reinforced with the sloped surface layer reinforcing material a after hardening, so that the sloped rock is supported on the stable rock deep in the ground.
The flexible members 1 are arranged vertically and horizontally, and each intersection point which intersects vertically and horizontally is connected by a connecting tool 2a at the head of each anchor rod 2, and then a mesh b made of, for example, a wire mesh is attached, and the mortar is placed thereon. Then, a slope surface reinforcing material such as concrete, a thick layer base material or the like is sprayed and cured for a predetermined time to form a slope reinforced with the cured slope surface layer reinforcing material a.

In this manner, the cured surface surface layer reinforcing material a
When the flexible members 1 of the longitudinal direction flexible member 1a and the lateral direction flexible member 1b are embedded in the slope reinforced by the step, the flexible member 1 is cured after the slope surface layer reinforcing material is cured. It is in a state of being integrally attached to the rear slope surface layer reinforcing material a. For this reason, when the sloped surface layer reinforcing material a after hardening causes, for example, a surface layer slip, a landslide, a slip due to weathering, etc., the plurality of anchor rods 2
It is possible to hold the sloped surface layer reinforcing material a after curing by the flexible member 1 connected to the surface member.

[Embodiment 2] Here, FIG. 4 is a partially cutaway front view of a slope reinforced with a sloped surface layer reinforcing material after curing, and FIG. 5 is reinforced with a sloped surface layer reinforcing material after curing. FIG. 6 is a partial cross-sectional view of a slope reinforced with a sloped surface layer reinforcing material after curing.

In FIG. 4, a flexible member 11 provided vertically and horizontally on a slope such as a ground is provided with a vertical flexible member 11a provided in a vertical direction and a flexible member 11a provided in a horizontal direction. It consists of a laterally flexible member 11b. The vertical flexible member 11a has its upper end connected to an anchor bolt 12 supported by the stable ground c above it, and both ends of the horizontal flexible member 11b connected to the stable ground d on both sides thereof. Anchor bolt 1 supported
3 In addition, the flexible members 1 arranged vertically and horizontally
1 is provided with a mesh b such as a wire mesh, and a slope reinforcing material such as mortar, concrete, or a thick base material is sprayed thereon. After a lapse of a predetermined time, the blown slope surface layer reinforcing material is hardened, and the slope is reinforced by the hardened slope surface layer reinforcing material a.

The vertical flexible member 11a is disposed inside the vertical direction or the front-rear direction when the slope is stiffened by the cured surface slope reinforcing material a in the vertical direction, that is, when the slope is viewed from the front. It is a member provided. The laterally flexible member 11b is disposed in the horizontal or horizontal direction when viewed from the front, that is, in the horizontal direction or the horizontal direction with respect to the slope reinforced with the sloped surface layer reinforcing material a after curing. Member.

The flexible member 11 used for the vertical flexible member 11a and the horizontal flexible member 11b includes a flexible material such as a wire rope, a PC steel wire bundle, a messenger wire rope, or an aramid fiber rope. A flexible cord member is generally used. In addition to this, the flexible member 1
For example, a high-strength and corrosion-resistant cable member such as a chain or high-tensile carbon fiber or nylon can be used for the cable.

The flexible member 11 used for the vertical flexible member 11a and the horizontal flexible member 11b has a sloped surface reinforced by a hardened slope surface layer reinforcing material a. Since it is flexible even if it is formed on an uneven surface corresponding to the above, it can be easily disposed inside a slope reinforced with a surface layer reinforcing material a after curing formed on the uneven surface. Can be.

Each of the vertical flexible members 11a disposed in the vertical or front-rear direction inside the cured surface layer reinforcing material a.
Is used so as to extend from the upper end of the slope reinforced with the sloped surface layer reinforcement a after curing to the upper stable ground c, and is reinforced with the sloped surface layer reinforcement a after curing. It is attached so that a certain length is protruded upward from the upper end of the slope.

Anchor bolts 12 are fixed to the stable ground c above the slope reinforced with the surface slope reinforcing material a after hardening. Each anchor bolt 12 is fixed to a stable ground c above a position corresponding to each longitudinal flexible member 11a. Each of the longitudinal flexible members 11a extending upward from the upper end of the slope reinforced with the sloped surface layer reinforcing material a after curing is stretched on each anchor bolt 12 of the stable ground c. Each is connected.

A groove 12a is formed at a position where each vertical flexible member 11a is stretched, and each vertical flexible member 11a is laid in each groove 12a. Each groove 12a extends from the projecting position of each longitudinal flexible member 11a at the upper end of the slope reinforced with the sloped surface layer reinforcement a after hardening to the mounting position of each anchor bolt 12 on the upper stable ground c. Each section is formed.

Each anchor bolt 12 is fixed to a hole dug in the stable ground c by concrete, and the upper end side of the anchor bolt 12 protrudes from the surface of the concrete. The upper end of the vertical flexible member 11a is connected to the upper end.

The slope reinforced by the surface layer reinforcing material a after hardening formed on the slope of the ground or the like is provided on each of the longitudinal flexible members 1.
By 1a, it is connected to each anchor bolt 12 of the stable ground c. And, the cured surface surface layer reinforcing material a
For example, when surface slippage, landslide, slippage due to weathering, etc. occur, the cured surface slope reinforcing material a is hung by each longitudinal flexible member 11a on each anchor bolt 12 of the stable ground c. After the curing, the slope reinforced with the surface layer reinforcing material a is prevented from immediately collapsing.

Each of the vertical flexible members 11a and the horizontal flexible members 11b are connected to each other at intersections where they cross each other in the vertical and horizontal directions, for example, by a connector 11c such as a cross clip.
Each of the longitudinal flexible members 11a
And the horizontal flexible member 11b are connected in a lattice shape, and the adhesion between the cured surface slope reinforcing material a and each of the vertical flexible member 11a and the horizontal flexible member 11b is more improved. If the height of the sloped surface layer reinforcing material a after hardening is increased, the sloped surface layered material a after hardening is more reliably suspended,
It is possible to prevent the slope reinforced with the slope surface layer reinforcing material a after curing from collapsing.

Each of the horizontal flexible members 11b disposed in the horizontal direction or the left and right direction inside the cured surface slope reinforcing material a.
Is used so as to extend from the left and right ends of the slope reinforced with the sloped surface layer reinforcement a after curing to the stable ground d on both sides, and is reinforced with the sloped surface layer reinforcement a after curing. It is attached so that a certain length is protruded on both sides from both left and right ends of the slope.

Anchor bolts 13 are fixed to stable grounds d on both sides of the slope reinforced with the surface slope reinforcing material a after the slope. Each anchor bolt 13 is fixed to a stable ground d at a position corresponding to each lateral flexible member 11b. The laterally flexible members 11b extending from the left and right ends to the left and right sides of the slope reinforced with the sloped surface reinforcing material a after curing are respectively connected to the anchor bolts 13 of the stable ground d. ing.

Each groove (not shown) is formed at a position where each lateral flexible member 11b is stretched, and each lateral flexible member 11b is laid in each groove. Each groove is a section from the projecting position of each lateral flexible member 11b on both sides of the slope reinforced with the sloped surface layer reinforcing material a after hardening to the mounting position of each anchor bolt 13 on the stable ground d on both sides. Are formed respectively.

Each anchor bolt 13 is fixed to a hole dug in the stable ground d by concrete, and the upper end side of the anchor bolt 13 protrudes from the surface of the concrete, and the anchor bolt 13 protrudes from the surface of the concrete. Both ends of the lateral flexible member 11b are connected to the upper end, respectively.

As described above, the slopes reinforced with the surface layer reinforcing material a after curing formed on the slopes of the ground and the like, and each of the stable grounds c are formed by the respective vertical flexible members 11a. In addition to being connected to the anchor bolts 12, it is also connected to the anchor bolts 13 of the stable ground d by the respective lateral flexible members 11b.

For this reason, when the surface reinforcing material a after hardening has caused, for example, surface slippage, landslide, slippage due to weathering, etc., each vertical flexible member 11a provides a stable ground c.
Are suspended on the anchor bolts 12 of the stable ground d by the laterally flexible members 11b, respectively, so that they are suspended more firmly. As a result, the slope reinforced with the sloped surface layer reinforcing material a after curing is more securely prevented from immediately collapsing.

As described above, the flexible member 11 is arranged vertically and horizontally on the slope reinforced by the surface slope reinforcing material a after curing, and the intersections which intersect vertically and horizontally are connected by the connecting tool 11c. The upper end of each vertical flexible member 11a is connected to the anchor bolt 12 of the upper stable ground c.
Each anchor bolt 13 of the stable ground d on both sides of both ends of 1b
After being connected to, a mesh b made of, for example, a wire mesh is attached, and mortar, concrete, a slope surface layer reinforcing material such as a thick layer base material is sprayed thereon, and cured after a predetermined time to cure the slope surface layer after curing. A slope reinforced with the reinforcing material a is formed.

In this manner, the cured surface surface layer reinforcing material a
The vertical flexible member 11a and the flexible member 11 of the horizontal flexible member 11b are embedded in the inside of the slope reinforced with, and after the surface layer reinforcing material of the slope is hardened, the flexible member 11 After curing, it is in a state of being integrally attached to the sloped surface layer reinforcing material a. For this reason, in the case where the cured slope surface layer reinforcing material a causes, for example, surface slippage, landslide, slippage due to weathering, etc., it is possible to suspend the cured sloped surface slope layer reinforcing material a with the flexible member 11. Becomes

It should be noted that the present invention is not limited to the above embodiment of the present invention, and it is needless to say that various modifications can be made without departing from the spirit of the present invention. For example, in the embodiment of the invention, the lateral flexible member 11
Although both ends of b have been described as being connected to the anchor bolts 13 of the stable ground d on both sides of the slope reinforced with the sloped surface reinforcing material a after hardening, they are reinforced with the sloped surface surface reinforcing material a after hardening. When stable ground d cannot be secured on one or both sides of the slope, the connection of one or both ends of the lateral flexible member 11b may be omitted.

[0041]

As is apparent from the above description, according to the slope reinforcing method according to the first aspect of the present invention, a plurality of anchor rods each having a connection tool formed on the head thereof are formed on the slope such as the ground. Are exposed vertically and horizontally at predetermined intervals in the ground while being exposed on the ground surface of the head, and a flexible member is vertically and horizontally connected to the connecting member of the head of each anchor rod, and the anchor rod is A flexible member is arranged vertically and horizontally on the slope where the is cast, a mesh is attached to the slope where the flexible member is arranged vertically and horizontally, and mortar, concrete, thick layer base material, etc. By spraying and curing the slope reinforcement of the slope surface to reinforce the slope, when the slope reinforcement is blown to the slope and cured, for example, surface slip, landslide, when sliding due to weathering, etc. A flexible member connected vertically and horizontally to a plurality of anchor rods cast in the slope, and After holding the post-cure method plane surface reinforcement causing such landslides, it reinforced slope face by post-cure method plane surface reinforcing material can be immediately prevented from collapsing.

Also, in the case where the connecting member at the head of the anchor rod is formed of a ring, the flexible member is connected to the ring at the head of the anchor rod by being inserted vertically and horizontally. , Each of the flexible members arranged vertically and horizontally can be easily inserted and connected to the ring of the head of the anchor rod,
In addition, the intersections that cross vertically and horizontally can be connected using the ring of the head of the anchor rod.

According to the slope reinforcement method according to the third aspect of the present invention, the flexible members are arranged vertically and horizontally on the slope such as the ground, and the intersections of the flexible members intersecting vertically and horizontally are connected. In addition, one end of the vertically arranged flexible member is extended to a stable ground above the slope to be connected to the stable ground, and the flexible member is vertically and horizontally arranged. A mesh is attached to the surface, and the surface slope reinforcement such as mortar, concrete, thick layer base material, etc. is sprayed from above and hardened to reinforce the slope. When the reinforcing material causes surface slippage, landslide, weathering slip, etc., the flexible member is extended and connected to a stable ground above the slope reinforced with the slope surface reinforcing material. Suspend the hardened slope surface reinforcement that causes landslides from the mountain surface, and supplement with the hardened slope surface reinforcement. Been slopes can be immediately prevented from collapsing.

Further, when one end of the vertically arranged flexible member is connected to an anchor bolt fixed to the stable ground, the one end of the flexible member may be connected to the other end of the flexible member. It can be easily fixed to the stable ground via the anchor bolt.

In the case where both ends of the flexible member arranged in the lateral direction are connected to anchor bolts fixed to the stable ground on both sides of the concrete slope, the mortar Alternatively, when the concrete slope a is caused by, for example, surface slippage, landslide, weathering slippage, etc., it is suspended by the flexible members in the vertical direction on the stable ground on the upper side, and the horizontal The flexible member is also hung on the stable ground on both sides, so that it is hung more firmly, and it is possible to more firmly prevent collapse immediately.

When the flexible member is made of a wire rope, a PC steel wire bundle, a messenger wire rope, or an aramid fiber rope, the unevenness of the surface of the slope formed into an uneven shape. It can be arranged so as to easily follow the surface.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a slope reinforced with a surface layer reinforcing material after curing showing a first embodiment of the present invention.

FIG. 2 is an overall cross-sectional view of a slope reinforced with a surface layer reinforcing material after curing showing a first embodiment of the present invention.

FIG. 3 is a partial perspective view of a slope reinforced with a sloped surface layer reinforcing material after curing, showing Embodiment 1 of the present invention.

FIG. 4 is a partially cutaway front view of a slope reinforced with a surface layer reinforcing material after curing showing a second embodiment of the present invention.

FIG. 5 is an overall cross-sectional view of a slope reinforced with a cured slope surface layer reinforcing material according to Embodiment 2 of the present invention.

FIG. 6 is a partial cross-sectional view of a slope reinforced with a surface layer reinforcing material after curing showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flexible member 1a Vertical flexible member 1b Horizontal flexible member 2 Anchor rod 2a Connector 11 Flexible member 11a Vertical flexible member 11b Lateral flexible member 11c Connector 12 Anchor bolt 12a Groove 13 Anchor bolt a Hardened surface layer reinforcement after curing b Mesh c Stable ground d Stable ground

Claims (6)

[Claims] 1. A plurality of anchor rods, each having a connecting part formed on the head thereof, are vertically and horizontally penetrated into the ground at predetermined intervals on a slope such as a ground with the heads exposed on the surface of the ground. , Connecting the flexible member vertically and horizontally to the connector of the head of each anchor rod,
Flexible members are arranged vertically and horizontally on the slope where the anchor rods are cast, mesh is attached to the slope where the flexible members are arranged vertically and horizontally, and mortar, concrete, thick layer base A slope reinforcement method characterized in that the slope is reinforced by spraying and hardening a surface layer reinforcement such as a material. 2. The method of reinforcing a slope according to claim 1, wherein the connecting member at the head of the anchor rod comprises a ring, and the flexible member is inserted vertically and horizontally through the ring at the head of the anchor rod. 3. A flexible member is vertically and horizontally disposed on a slope such as a ground, and an intersection of the flexible members intersecting vertically and horizontally is connected, and one end of the flexible member vertically disposed. Is extended to the stable ground above the slope and connected to the stable ground, a mesh is attached to the slope where the flexible members are arranged vertically and horizontally, and mortar, concrete, thick layer A slope reinforcement method characterized by spraying a surface slope reinforcing material such as a base material and curing the same to reinforce the slope. 4. The slope reinforcement method according to claim 3, wherein one end of the vertically arranged flexible member is connected to an anchor bolt fixed to the stable ground. 5. The slope reinforcement method according to claim 3, wherein both ends of the laterally disposed flexible member are connected to anchor bolts fixed to the stable ground on both sides of the concrete slope. 6. The slope reinforcement method according to claim 1, wherein the flexible member comprises a wire rope, a PC steel wire bundle, a messenger wire rope, or an aramid fiber rope.