JP2002371561A - Bearing member and construction method for stabilizing and greening slope using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bearing member capable of reusing thinning lumbers and stabilizing and greening a slope and provide a construction method for stabilizing and greening the slope using the member. SOLUTION: This bearing member 1 is provided with an anchor bearing board 11, a circumferential edge part of the anchor bearing board, and a projecting plate-shaped retainer material 12 and the anchor bearing board 11 is so constituted as having an anchor penetration hole 13 in its center part and formed into a cross shape or a Y-shape. A bag is attached to the bottom surface of the anchor bearing board or the bearing member is rotationally formed so as to follow the irregular surface of the sloped natural ground. This construction method for stabilizing and greening the slope is so formed that the anchor placed in the sloped natural ground fixes the bearing member 1 to the sloped natural ground, logs 21 are integrated thereto by vertically and laterally erected between the retainer materials 12 of the fixed bearing members 1 so as to stabilize the sloped natural ground, and borrow soil 4 is added to the sloped natural ground for the greening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing member and a method of constructing slope stabilization and greening using the same, and more particularly to stabilization and greening of a slope by using thinned wood. .

[0002]

2. Description of the Related Art Conventionally, as a slope stabilization method for stabilizing a slope, a method of driving a plurality of lock bolts at predetermined intervals on a slope to stabilize the ground has been performed.
On such a slope, a concrete plate or a steel plate is installed as a support plate for the lock bolt.
Further, there is a case where the supporting plate is connected with a wire rope, a reinforcing bar or the like.

[0003]

[Problems to be Solved by the Invention] Meanwhile, due to the slump in timber prices in domestic planted forests, thinning is not performed and the degraded planted forests poses a problem. In the case where thinned wood is treated as industrial waste, transportation and disposal costs are required.
Furthermore, incineration of thinned wood causes air pollution. As a result, there is a great need for techniques for utilizing thinned wood and processed thinned wood.

[0004]

SUMMARY OF THE INVENTION The object of the present invention is to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a bearing member capable of reusing thinned wood, stabilizing slopes and greening. It is an object of the present invention to provide a method for constructing the stability and greening of the used slope.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a bearing member used for a method of constructing slope stabilization and greening using thinned wood, comprising: an anchor bearing plate; A peripheral portion of the anchor pressure plate and a plate-shaped holding material protrudingly provided, and the anchor pressure plate has an anchor through-opening in the center thereof, and the holding material is
A supporting member characterized in that it can hold a thinned material erected in a plurality of directions. Here, the anchor support plate is characterized in that it is formed in a cross shape or a Y shape. Further, a bag is attached to the bottom surface of the anchor support plate. Further, the holding material,
It is characterized in that the anchor support plate is formed so as to be movable with bending deformation. Further, the holding material is characterized by forming a notch.

The present invention also relates to a method for constructing slope stability and greening, wherein (A) fixing any one of the above-mentioned bearing members on the slope ground by an anchor cast on the slope ground; (B) laying and connecting a thinning material between the bearing members fixed by the plurality of anchors, and suppressing slope ground between the bearing members with the thinning material; and (C) surrounding the thinning material. And putting green soil into the slope ground and performing greening. This is a construction method of slope stability and greening.

[0007]

Embodiment 1 of the present invention will be described below with reference to the accompanying drawings.

<A> Basic Structure The supporting member 1 of the present invention comprises at least an anchor supporting plate 11
And a plate-like holding member 12 protruding from a peripheral portion of the anchor support plate 11. Here, the anchor supporting plate 11 has an anchor through-hole 13 at the center thereof, and the holding member 12 is configured to be able to hold the thinned material 2 laid in a plurality of directions. It is desirable to attach a bag to the bottom surface of the anchor support plate 11. FIG. 1 shows a schematic perspective view of an embodiment of a support member 1 according to the present invention. Hereinafter, each part will be described in detail.

<B> Anchor support plate Anchor support plate 11 is a support plate that is installed on a slope or a slope to reinforce the ground and fix the thinned material 2 described below. For example, there are concrete plates, precast beams and the like manufactured in factories and sites. The cast-in-place concrete plate is manufactured by assembling a formwork on a slope and pouring concrete into the formwork. Also, the precast board is
It is a plate that has been manufactured in a factory or the like before it is installed on the slope.
If necessary, a metal plate such as a steel material, a plastic plate, or a wooden plate may be used.

The supporting member 1 or the anchor supporting plate 1
1 may be formed so that the following thinning material 2 is erected in a plurality of directions. For example, as shown in FIGS. 1 and 2,
A substantially cross shape and a substantially Y shape are used.

The anchor support plate 11 has a through hole 13 at the center thereof. The bearing member 1 is fixed on the slope by passing a known anchor or a fixing member such as a lock bolt through the through hole 13.

<C> Retaining material The peripheral or outer edge of the anchor support plate 11
The holding member 12 is integrally attached in the upward vertical direction. As the holding member 12, for example, a metal plate such as a concrete plate or a steel plate can be used. Further, as shown in FIGS. 1 and 2, a plurality of fixing holes 121 having the same size are formed at the same position in each holding member 12. Through these fixing holes 121, one end of the following thinned material 2 is fixed on the anchor support plate 1 by a fixing jig such as a bolt and a nut.

<D> Bag Body A bag body is provided on the bottom surface of the anchor support plate 11 so as to follow irregularities on the sloped ground surface. As the bag body, for example, a material such as a woven fabric or a nonwoven fabric having high flexibility may be used. If necessary, the bag body is filled with a hardening material such as mortar, concrete, or the like, and the supporting member 1 is brought into close contact with the ground slope. The bag may be formed in a predetermined shape and size, and may be previously attached to the bottom surface of the anchor support plate at a site or a factory.

<E> Thinned Wood As the thinned wood 2, a log 21 or the like that has been cut down in mountainous work or thinned in an artificial forest is used. here,
The thinned wood 2 or the log 21 plays a role of reinforcing the slope and holding the soil as a legal frame. For example, the thinned wood 2 with a bark can be used. Moreover, the thing which performed the surface treatment of the said thinning material 2 as needed may be used. For example, a processed thinning material such as a log 21 with the bark of the thinning material 2 stripped off is used.

The log material 21 has, for example, a diameter of 10c.
m to 30 cm, any length, but almost 1 m to
Use one of about 5 m. If the durability needs to be enhanced, a preservative treatment such as applying a preservative to the log material 21 may be performed. When a corrosive reinforcing material such as a steel material is used for the log 21, the surface may be galvanized to take measures to prevent corrosion.

[0016]

Embodiment 2 A movable bearing member of the present invention will be described with reference to FIG.

A cross-shaped supporting member 1 is formed in the same manner as in the first embodiment. A rotatable gap 3 is provided between one of the holding members 12a, 12a and the other of the holding members 12b, 12b without being integrated, that is, without being connected (FIG. 3A).
For example, as shown in FIG. 3B, when the curvature of the surface of the slope or the slope ground is relatively large, at least one of the anchor supporting plates 11 is bendable or deformed by bending deformation. It is formed so that it can follow along the surface topography. Then, with the bending or bending deformation of the anchor support plate 11, at least one of the holding members 12a, 12a is rotatable and follows the convex portion (or concave portion) of the ground. If necessary,
In the vicinity of the intersection between the anchor support plate 11 and the holding member, a known pivotal connection means such as a hinge is provided to rotate (or rotate) more.
It may be formed freely.

[0018]

Third Embodiment Another movable bearing member of the present invention will be described with reference to FIG.

As shown in FIGS. 4A and 4B, a substantially rectangular supporting member 1 'is formed. In the supporting member 1 ', a notch 14 is formed in the center of the holding member 12' on both sides. The width of the notch 14 is slightly larger than the width of the supporting member 1 '.

Then, as shown in FIG. 4 (C), the two supporting members 1 ', 1' are overlapped so as to form a cross, thereby forming a cross-shaped supporting member 1 ". Here, a rotatable gap 3 is provided at the intersection of one holding member 12 'and the other holding member 12', similarly to the second embodiment. The anchor support plates 11 ', 11' may be provided with a known pivotal connecting means such as a hinge so as to be more bendable.

Next, a description will be given of an embodiment of a method for constructing slope stabilization and greening using the above-described supporting member.

<A> Anchor installation First, a plurality of anchors such as rock bolts are installed on the slope ground. If the ground is hard, drill holes in the ground using a rock drill or the like, and then install an anchor.

<B> Fixation of anchor support plate Next, by a known technique, an anchor support plate 11 having a through hole 13 in an anchor head is installed, and the anchor support plate 11 is fixed on a slope by an anchor. .

<C> Attaching the holding member The holding member 12 for holding the log 21 is attached to the anchor support plate 11. In addition, if necessary, the holding material 1
2 may be attached to the anchor support plate 11 in advance.

<D> Construction of Log A log material having a predetermined length is constructed on the holding member 12 of the bearing member 1. The log 21 is a fixing hole 121 formed in the holding material 12.
And secured with bolts and nuts. On this occasion,
As shown in FIG. 3, the logs 21 are integrally connected between the supporting members 1, thereby forming a slope frame between the supporting members 1 as a legal frame for preventing a slope (or a slope) surface layer from collapsing. The mountain can be stabilized.

<E> Injection and greening of the soil Further, after the soil 4 is injected into the slope ground surrounded by the logs 21, vegetation and greening are performed.

Although not shown, a similar legal frame can be formed in the case of a Y-shaped supporting member instead of the cross-shaped supporting member. In addition, when there are local irregularities on the surface of the slope, the degree of adhesion to the ground of the slope is achieved by using a support member having the bag attached to the bottom surface of the anchor support plate. Furthermore,
When the curvature of the surface of the slope ground is relatively large, the movable supporting member of the present invention is used to follow the unevenness of the ground.

[0028]

The present invention has been described above, and the following effects can be obtained. <B> Since the bearing member of the present invention is a member mainly for fixing a lightweight material such as a thinned wood or a log, a low-strength concrete plate or a thin metal plate can be used. Therefore, it is possible to provide a supporting member that can be easily installed without requiring a large-sized machine and that has good workability. <B> In addition, by attaching a flexible bag to the bottom surface of the supporting member and filling the inside thereof with a hardened body, even if unevenness is locally present on the slope ground, it is ensured. The bearing member can be fixed to the slope. <C> Further, by forming the bearing member rotatably, even when the surface curvature of the slope ground is relatively large, the bearing member can flexibly follow the unevenness of the slope ground. <D> Use a large amount of thinned wood and logs. Therefore, the processing cost of the thinned wood can be reduced, and the thinned wood is used as a resource. As a result, it also contributes to the development of forestry. <E> The area of thinned wood and logs occupying the slopes and slopes is large. For this reason, the scenery immediately after construction is good, and it is easy to adapt to the surrounding environment. <F> By consolidating the thinned wood and logs with the holding material of the supporting member, they can be expected to play a sufficient role as a legal frame material, so that they can be applied to stabilize slopes. <G> Since the frame material of the water-impermeable structural material such as concrete is not used, the flow of water on the slope or the slope direction is not interrupted. As a result, water is supplied to plants such as seedlings without excess and deficiency, and it is suitable for greening and growth.

[Brief description of the drawings]

FIG. 1 is a bearing member (cross-shaped member) according to a first embodiment of the present invention.
It is a schematic perspective view of.

FIG. 2 is a schematic perspective view of a Y-shaped supporting member.

FIG. 3 is an explanatory diagram of a movable supporting member according to a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of a movable supporting member according to a third embodiment of the present invention.

FIG. 5 is a schematic perspective view of a slope protection work using the supporting member according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1 ', 1 "Supporting member 11, 11" Anchor supporting plate 12, 12' Retaining material 13 Through hole 14 Notch 2 Thinned material 21 Round size 3 Gap 4 Guest soil

Claims (7)

[Claims] 1. A supporting member used for a method of constructing slope stabilization and greening using thinned wood, comprising: an anchor supporting plate; and a plate-shaped holding member protruding from a peripheral edge of the anchor supporting plate. The anchor support plate has an anchor through-hole at the center thereof, and the holding member is configured to hold a thinned material erected in a plurality of directions. Element. 2. The supporting member according to claim 1, wherein the anchor supporting plate is formed in a cross shape. 3. The supporting member according to claim 1, wherein the anchor supporting plate is formed in a Y-shape. 4. The support member according to claim 1, wherein a bag body is attached to a bottom surface of the anchor support plate. 5. The supporting member according to claim 1, wherein the holding member is formed so as to be movable with bending deformation of the anchor supporting plate. Pressure member. 6. The supporting member according to claim 1, wherein a cutout portion is formed in the holding member. 7. A method for constructing slope stability and greening,
(A) The anchor is cast on a slope ground by the anchor.
A step of fixing any of the supporting members according to any one of claims 6 to 6 on a slope ground; and (B) connecting a thinning material between the supporting members fixed by the plurality of anchors, and Characterized in that it comprises: a step of suppressing the slope ground with thinning material; and (C) a step of putting the soil in the slope ground surrounded by the thinning material and performing greening, and stabilizing the slope and greening the slope. How to build.