JP2002256560A - Vegetation base and its manufacturing method and method of execution - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vegetation base, its manufacturing method, and its execution method excellent in workability, causing no nonuniformity, realizing seeding and planting just after execution work, and having no fear of being washed away by rainfall. SOLUTION: A mat-like stranded wire aggregate 21 having many void parts 24 is formed by intertwining a thin diameter stranded wires 20 composed of a synthetic resin with each other. Plants 23 and plant materials 22 are scattered in these void parts to form a vegetation unit 2. A plurality of vegetation units are sewn up to porous net base cloth 3 by a sewing-up thread 4 to constitute the vegetation base 1. The vegetation base is wound in a roll shape, and is laid on a face of slope while unfolding the vegetation base.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetation base for laying on a slope and greening the slope, a method for manufacturing the same, and a method for constructing the same.

[0002]

2. Description of the Related Art Cuts, embankments, and other slopes formed during construction such as road construction, river embankments, hillside slopes, and residential land development, are vegetated to protect the landscape and preserve the landscape. Greening the slopes. One of the construction methods to green the slope,
There is a spraying method in which a net-like body is laid on a slope and vegetation materials such as vegetation seeds and fertilizer are sprayed in between.
According to this construction method, the slope of the mesh surface rains, snow melts,
It can be protected from erosion due to frost heave and green the slope.

[0003]

However, the above-mentioned spraying method has the following problems. <B> A large spraying machine and a specialized construction company are required, and the construction cost is high. <B> After weighing each material, water, soil, fertilizer, seeds, etc. are put into a mortar spray gun or squeeze pump, mixed well and sprayed at a time to a predetermined thickness, It is easy to get uneven. <C> Because the seeds are sprayed, it takes about one year from the second half of the construction to green, and during that period the landscape is poor. Until the plants take root, there is a concern that the sprayed vegetation material or the like is washed away by rainfall or the like. <D> Because the construction is performed on site, the number of construction days is greatly affected by the natural conditions of fine and rainy weather.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and an object of the present invention is to provide a vegetation base with good workability and low construction cost, a method of manufacturing the same, and a method of constructing the same. Another object of the present invention is to provide a vegetation base that realizes greening immediately after construction without causing unevenness, and that is free from fear of being washed away by rainfall and the like, a method of manufacturing the same, and a method of constructing the same. The present invention
At least one of the above objects is achieved.

[0005]

In order to achieve the above-mentioned object, a vegetation base of the present invention comprises a vegetation base for greening a slope, a vegetation unit, and a porosity for mooring a plurality of the vegetation units. A mat comprising a net base cloth and a suture for suturing the plurality of vegetation units and the net base cloth, wherein the vegetation unit is formed by entanglement of small diameter wires made of synthetic resin to form a number of voids; A wire-shaped aggregate, wherein plants and vegetation material are scattered in the gaps. The method for manufacturing a vegetation base according to the present invention is the method for manufacturing a vegetation base for greening a slope, wherein the vegetation unit is a mat-shaped element wire aggregate having a large number of voids by entanglement of small diameter wires made of synthetic resin. Is formed, and a perforated net base fabric and a plurality of vegetation units are sewn with a suture to anchor the vegetation unit to the net base fabric, and plants and vegetation material are scattered in the voids. . The work to be scattered is created and cured in a factory or work yard, but can also be created on site. The method for constructing a vegetation base according to the present invention is the method for constructing a vegetation base for greening a slope, wherein the above-described vegetation base is rolled and laid while the rolled vegetation base is deployed on the slope. Things. The method for constructing a vegetation base according to the present invention can be carried out by laying the vegetation base that has been roll-wound while deploying the vegetation base under its own weight from above the slope. The method for constructing a vegetation base according to the present invention can be performed by laying the vegetation base rolled while rolling it from the lower part of the slope to the upper part. The method for constructing a vegetation base according to the present invention can be carried out by laying the vegetation base rolled while rolling in a direction perpendicular to the slope of the slope.

[0006]

Embodiments of the present invention will be described below with reference to the drawings.

<A> Vegetation base The vegetation base 1 is composed of a number of vegetation units 2 on a net base cloth 3.
Mooring continuously. The space 24 of the vegetation base 1 is filled with a plant material 22 such as soil, fertilizer, soil amendment and a plant 23 such as seeds and germinated plant seeds, and then filled with the slope 5
It is to be laid on top.

<B> Vegetation unit The vegetation unit 2 has many voids 24, is lightweight,
It is composed of a mat-like strand aggregate 21 which is rich in flexibility. The mat-shaped wire aggregate 21 is formed in a mat shape by narrowly intertwining the thin wires 20 like a stainless steel scissor and welding only the intersections. In addition, mat-shaped wire aggregate 2
1 may be formed by randomly forming a thin wire 20 into a three-dimensional loofah structure. As the thin wire 20,
For example, an extruded product of a strong and inexpensive synthetic resin such as polypropylene or polyethylene (having a diameter of 0.5 mm to 1 mm
Degree) can be used.

The vegetation unit 2 is formed by cutting the mat-shaped wire aggregate 21 into an appropriate size (for example, about 1 m in width and about 2 m in length). The strands 20 are welded to each other only at intersections. As described later, seeds and germinated plants 23 are scattered in the voids 24, so that even if the plants 23 grow, the plants 23 It can also be pushed up and extended. The thin strand 20 can be made of, for example, a biodegradable material other than the synthetic resin. By using a biodegradable material, the strands 20 are gradually decomposed by microorganisms in the soil, are integrated with the soil on the slope 5, and can promote the growth of the plant 23.

<C> Voids The voids 24 are formed by intertwining the wires 20 in a complicated manner like a stainless steel scissor or by randomly and flexibly forming and processing a three-dimensional loofah structure. The void portion 24 formed as described above has, for example, an average porosity of 93%.
The plant material 22 such as soil, fertilizer and soil improving material and the plant 23 such as seeds and germinated plant seeds are scattered in the voids 24. The plant material 22 and the plant 23 scattered in the void portion 24 are composed of a complicatedly entangled strand 2.
0 prevents the vegetation unit 2 from falling off.

<D> Net Base Cloth The net base cloth 3 is a cloth-like material having a large number of holes 31, and a porous net, a mesh sheet, a wire mesh, or the like can be used. The perforated net base cloth 3 is large enough to arrange many vegetation units 2. A large number of vegetation units 2 are arranged and moored on the net base cloth 3. The mooring is performed by suturing between the net base cloth 3 and the vegetation unit 2 with a suture 4. In this case, the suture 4 is sewn to the upper surface of the vegetation unit 2 through the hole 31 of the net base cloth 3, and the mat-shaped wire aggregate 21
So that a uniform force is applied. When the vegetation base 1 is laid on the slope 5 as described later, the root of the plant 23 passes through the hole 31 so that the net base cloth 3 is in contact with the slope 5.
In the soil can be buried.

[0012] Instead of opening the hole 31, the net base cloth 3
For example, a woven fabric in which warp yarns and weft yarns using strong and inexpensive polyester yarns may be used, or a nonwoven fabric may be used. If a biodegradable thread is used instead of the polyester thread, the biodegradable thread decomposes and disappears after a predetermined period of time, so that the plant material 22 filled therein is integrated with the soil on the slope 5. To grow the plant 23, and the plant 23 can prosper as the whole slope 5.

Next, a method for manufacturing a vegetation base for greening the slope will be described.

<A> Production of a vegetation unit A thin-diameter wire 20 is intricately entangled like a stainless scourer and formed in a mat shape, and a flexible mat-like wire assembly having many voids 24 is provided. Make body 21. The mat-shaped wire aggregate 21 is appropriately sized (for example, a width of 1 m and a length of 2 m).
m) to make the vegetation unit 2. Vegetation unit 2 (mat-like wire aggregate 21) is thick (30 mm thick)
When formed as described above, the plant material 22 and the plant 23 can be prevented from being scattered by the wind, a rapid change in temperature can be reduced, and the impact on vegetation seeds during rain can be reduced.

<B> A number of vegetation units 2 are arranged on a suture net base cloth 3 and a suture 4
Stitches between the net base cloth 3 and the vegetation unit 2. Thereby, the vegetation base 1 before the plant material 22 and the plant 23 are scattered is formed.

<C> Scattered Plant Materials and Plants Plant materials 22 are placed in the voids 24 of the mat-shaped wire aggregate 21.
Plants 23 are scattered. The plant material 22 and the plant 23 do not fall off the vegetation base 1 by the complicatedly tangled wires 20.

<D> Production of vegetation substrate The vegetation substrate 1 is produced by dispersing the plant material 22 and the plant 23 in the void portions 24 of the mat-shaped strand aggregate 21. The work of scattering the plant material 22 and the plant 23 is performed in a factory or a work yard, but may be performed locally. Since only the plant material 22 and the plant 23 are scattered in the void portion 24, it is possible to manufacture the vegetation base 1 with stable quality without unevenness. The vegetation base 1 has, for example, a width of 1 m and a length of 10
About m, roll and transport to the site. The vegetation base 1 is manufactured by using the mat-shaped wire aggregate 21 which is rich in flexibility, and the vegetation base 1 is manufactured by mooring a large number of the vegetation units 2 on the net base cloth 3.
It is easy to adjust to the slope 5 and adheres uniformly to the slope 5 to effectively prevent erosion of the soil due to rainfall, snow melting, wind erosion, frost heave and the like.

Next, a method for constructing a vegetation base for greening the slope will be described.

<A> Laying the vegetation base 1 from the upper part of the slope The rolled vegetation base 1 is transported to the upper part of the slope 5 and the rolled vegetation base 1 is suspended by a crane 55 or the like (see FIG. 3A). ). After unpacking, the end of the vegetation base 1 is fixed to the shoulder 51 with an anchor pin 53 or the like, and is hung down on the slope 5 and deployed. That is, the rolled vegetation base 1 is rewound from the shoulder 51 to the bottom 52, deployed on the slope 5 and laid (see FIG. 3B). The vegetation base 1 is fixed to the slope 5 by driving an anchor pin 53 or the like as necessary in addition to the shoulder 51. This is repeated sequentially to lay the entire slope 5. When the vegetation base 1 is light and cannot be deployed by its own weight, the operator lowers the slope 5 while gradually developing it on the slope 5.

Since the vegetation base 1 is rich in flexibility, even if the vegetation base 1 is laid on an uneven slope 5 which is not sufficiently shaped, the vegetation base 1 is easily adapted to the slope 5 without forming a gap.
It adheres uniformly to the slope 5 (see FIG. 2). By the time the vegetation seeds grow, the vegetation base 1 is well adapted to the soil, and a uniform thick thick soil layer that has a high air content and is hardly eroded by running water or the like is formed. It is possible to promote greening.

The vegetation base 1 on which a plurality of vegetation units 2 are moored may be suspended by a crane 55 and laid on the slope 5 without rolling the vegetation base 1 (FIG. 4).
(A)). When the vegetation base 1 touches the slope 5, the rope 5
6 slides, and the vegetation base 1 matches the slope of the slope 5, so that the rope 56 can be removed and laid on the slope 5 (see FIG. 4B).

<B> Laying the vegetation base from below the slope (FIG. 5) The vegetation base 1 may be laid from the bottom of the lawn 52. That is, the vegetation base 1 wound in a roll is transported to the butt 52, and an end of the vegetation base 1 is hung from the upper part 51 of the slope.
Then, the rope 54 is pulled up from the upper part 51 of the slope, and the vegetation base 1 is developed and laid on the slope 5. Also when laying from the bottom of the butt 52, the vegetation base 1 is fixed to the slope 5 by driving in the anchor pins 53 and the like as necessary.

<C> Laying the vegetation base in a direction perpendicular to the slope of the slope (FIG. 6) A plurality of roll-wound vegetation bases 1 are installed along the slope of the slope 5, and one end of the vegetation base 1 is connected to each end. It is fixed to the slope 5 with the anchor pin 53 or the like. The vegetation base 1 is laid on the slope 5 while being unwound in a direction orthogonal to the slope of the slope 5. The vegetation base 1 is fixed to the slope 5 by driving an anchor pin 53 or a skewer as necessary. If necessary, the earth may be filled.

In the construction work, it is only necessary to spread the vegetation base 1 and lay it on the slope 5, and since the spraying work which requires the most labor in the field work is eliminated, the workability is extremely improved. According to the construction method of the present invention, a severe slope of a natural environment where greening is difficult, a soft rock slope with a strong weathering and a thin soil layer,
Greening is possible on any slope without soil, such as a sloped surface where the bedrock is exposed, or a hard surface such as a concrete surface or a mortar surface.

[0025]

The vegetation base of the present invention, its manufacturing method and its construction method are as described above, and the following effects can be obtained. <B> The vegetation base is a mat-like wire aggregate in which many voids are formed by intertwining small diameter wires made of synthetic resin, and plants and plant materials are scattered in these voids. It is only necessary to spread the vegetation base and lay it on the slope. Therefore, it is possible to eliminate the most troublesome spraying work in the field work, and the workability is extremely improved. <B> A vegetation base composed of plants and plant materials scattered in a mat-shaped wire aggregate can be manufactured in advance, so that the greening with a uniform laying density without unevenness on the slope can be achieved. realizable. <C> Since it is only necessary to lay the vegetation foundation on the slope, the construction period after foundation construction is quick, and the construction can be speeded up.
The vegetation appearance appears immediately. Greening can also be performed on hard surfaces such as concrete surfaces and mortar surfaces, and on soilless slopes such as slopes with exposed rock. <D> A small-diameter wire made of synthetic resin is entangled to form a mat-shaped wire aggregate with many voids, and plants and vegetation material are scattered in the voids. Does not have to worry about being held by the intertwined strands and being washed away by rainfall or the like.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a vegetation base of the present invention.

FIG. 2 is an explanatory view showing a vegetation base of the present invention laid on a slope.

FIG. 3 is an explanatory view of laying a vegetation base rolled from the top of a slope on the slope.

FIG. 4 is an explanatory view of laying a vegetation base on a slope.

FIG. 5 is an explanatory view of laying a vegetation base rolled from a lower part of a slope on the slope.

FIG. 6 is an explanatory diagram of laying a vegetation base on a slope from a direction orthogonal to a slope of the slope.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vegetation base 2 ... Vegetation unit 20 ... Wire 21 ... Matt-shaped wire aggregate 22 ... Plant material 23 ... Plant 24 ... Void 3 ... Net base cloth 4 ...・ Suture thread 5 ・ ・ ・ Slope

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E02B 3/12 E02B 3/12 (72) Inventor Yuji Higashi 38-3 Okinome, Harue-cho, Sakai-gun, Fukui Prefecture Maeda F-term in Kosen Co., Ltd. (reference) 2B022 AB02 BA02 BA23 BB02 2B051 AA02 AB01 AC02 BA16 CB02 CB09 CB26 CB29 CB35 2D018 DA02 DA06 2D044 DA12

Claims (3)

[Claims] 1. A vegetation base for greening a slope, comprising: a vegetation unit; a perforated net backing for mooring the plurality of vegetation units; and a suture for stitching the plurality of vegetation units and the net backing. The vegetation unit is a mat-shaped wire aggregate in which many voids are formed by intertwining small diameter wires made of synthetic resin, and plants and vegetation material are scattered in the voids. Vegetation base characterized by doing. 2. A method for manufacturing a vegetation base for greening a slope, comprising forming a vegetation unit in the form of a mat-shaped wire aggregate having a large number of voids by entanglement of small-diameter wires made of synthetic resin. A method for manufacturing a vegetation base, comprising: suturing a vegetation unit to a net base fabric by suturing a natural net base fabric and a plurality of vegetation units with a suture thread; and scattering plants and vegetation material in the gaps. 3. A method for constructing a vegetation base for greening a slope, wherein the vegetation base according to claim 1 is rolled, and the vegetation base is laid while being spread on the slope. How to install the base.