JP2000248553A - Repairing scene seeding and planting construction method of face of slope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To raise plants even in a thin soil thickness, to improve workability, and to execute a seeding and planting slope face excellent in a scene by covering a vegetation base widely arranged on the face of slope with a block-shaped water impermeable plate by leaving proper clearance. SOLUTION: A face of slope 1 is faired, and a vegetation base (soil) 2 capable of raising plants on the face of slope 1 is formed by spraying a vegetation base material mixed with seeds of the plants. A temporarily fastening pile 3 is arranged on the vegetation base 2, and a great part of a surface of the vegetation base 2 is covered with a block-shaped water impermeable plate 4 by leaving proper clearance 5 of about 10 to 150 mm, but the water impermeable plate 4 is previously fixed to a net-like structure 6, this is hung in the face of slope l, and an upper end part is locked and laid on the temporarily fastening pile 3. Thus, since moisture evaporation in the vegetation base can be restrained, the possibility of withering the plants by drying is reduced, and since a root extends in the vegetation base under the water impermeable plate, the plants grow even in a nonrooting place such as the face of slope is base rock and concrete.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for protecting a slope, greening and improving a landscape.

[0002]

2. Description of the Related Art As slopes requiring protection, greening and scenic landscapes, rock cutting slopes, concrete and mortar slopes, embankment slopes, and revetment protection for rivers and the like are multi-naturalized. There are slopes and slopes covered with sheets at waste disposal sites.

[0003] Greening on the slope of rock or concrete is hardly expected because water supply from the base of rock or the like can hardly be expected, and roots of the plant cannot extend into the rock or the like. The vegetation base (soil) is made as thick as possible on the slope.

[0004] A typical method is a method of spraying a thick base material. However, when conditions such as a concrete surface are severe, it is necessary to set the spray thickness to about 10 cm, which increases costs. Is weak and plants may die. As other construction methods, a method of fixing a vegetation sandbag on a slope, a method of installing a shelf or a metal basket and filling the inside thereof with earth and sand, and the like have been proposed.

[0005]

However, these methods require a large amount of human labor for assembling shelves on the slope and filling the earth and sand, so that construction costs are high, and there is a lack of aesthetic considerations.

[0006] Basically, in a slope greening method in which artificial watering work cannot be performed, plants are difficult to grow on rocks and concrete surfaces where there is no water supply from the base side. Even when using a thick base material spraying method on rock or concrete surfaces, plants often die due to drying, in which case the entire slope often dies, and it is rare for plants to recover naturally. It is gradually eroded, causing disaster prevention and landscape problems.

[0007] Other methods of installing earth and sand on the slope with sandbags, shelves, baskets and the like can cope with drying by increasing the amount of earth and sand, but the structure for this becomes large and assembly on the slope is required. There are many operations by human power such as work, transportation and filling of earth and sand, and the cost is high. Moreover, even if it is greened, the structural materials of shelves and baskets may impair the landscape of the entire slope.

The present invention solves the above-mentioned disadvantages of the prior art, suppresses water evaporation, enables the growth of plants even with a small soil thickness, has a good workability, and is capable of constructing a greening slope excellent in landscape. An object of the present invention is to provide a method of landscape revegetation.

[0009]

Means for Solving the Problems In order to achieve the above object, the present invention firstly makes most of the surface of a vegetation base (soil) widely installed on a slope by a block-shaped impervious plate appropriately. The second point is that the impervious plate is fixed to a mesh-like structure in advance, and is hung on a slope by a crane or the like and installed. .

Third, the vegetation base is formed by spraying a base material mixed with plant seeds or by laying a bag containing artificial lightweight soil.

Fourth, the vegetation base is constructed by laying a bag containing artificial lightweight soil, and the landscaping method according to claim 1 or 2, is performed.

Fifth, the impervious plate is made of mortar or concrete pseudo-rock, and when it is formed by a mold, a net-like structure is laid above the mold, and the net-like structure is placed on the net-like structure. The gist of the present invention is to embed a fitting to be locked into a molded product.

Sixth, the net-like structure with the impervious plate is a long strip having a large length, and fixed beams are arranged in each of the sections in the vertical length direction. It is intended to be hooked on the surface of a vegetation base (soil).

According to the first aspect of the present invention, most of the surface of the vegetation base (soil) which is widely installed on the slope is covered with the block-shaped water-impermeable plate, thereby suppressing water evaporation. The growth environment of the plant is improved without artificial irrigation. Also, since the plants grow outside through the gap between the impervious plate blocks and the roots can extend to the vegetation base under the Nada permeable plate blocks, the thickness of the vegetation base should be the minimum thickness that allows the plants to grow. it can.

According to the second aspect of the present invention, in addition to the above-mentioned operation, the impervious plate fixed to a mesh-like structure in advance at a factory is carried into the site, and is suspended by a crane or the like and installed. As a result, human labor on the slope is minimized, the workability is improved, and the cost is reduced.

According to the third aspect of the present invention, since the thickness of the vegetation base of the first aspect can be set to the minimum thickness that allows the plant to grow, the vegetation base is mixed with the seeds of the plant. Labor-saving work can be performed by spraying the base material.

According to the fourth aspect of the present invention, the vegetation base is filled with artificial lightweight soil, since the thickness of the vegetation base of the first aspect can be set to the minimum thickness that allows plants to grow. Laying the bag and forming it can save labor. According to the fifth aspect of the present invention, it is also possible to attach the bag to the back side of the net-like structure and fill it with artificial lightweight soil and seeds on the slope at a time. Become.

According to the sixth aspect of the present invention, since the impervious plate is a mortar or concrete artificial rock, the surface looks like natural stone, and plants grow between the impervious plate blocks. With the configuration, the entire slope can be produced with a natural landscape.

According to the seventh aspect of the present invention, when the impervious plate is made of mortar or concrete artificial rock, easy attachment to a net-like structure is taken into consideration. It can be easily integrated when molding.

According to the present invention, the net-like structure with the impervious plate is a strip having a large vertical length, and fixed beams are provided for each section in the vertical length direction. By hanging on the surface of the vegetation base (soil) with an anchor pin via a beam, it can be hung on a slope by a crane or the like, and can be easily and quickly attached to streamline construction.

[0021]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of a slope revegetation greening method according to the present invention, FIG. 2 is a vertical sectional side view of the same, and FIG. 3 is an enlarged vertical sectional side view of a part a in FIG.
Is a rock or a slope covered with mortar or concrete.

After the slope 1 is shaped and cleaned, a vegetation base (soil) 2 on which the plant can grow is formed on the slope 1, and the vegetation base 2 is a vegetation base material mixed with plant seeds. Is formed by spraying using a general spraying method.
As the vegetation base material, earth and sand or improved soil, thick layer base material, artificial lightweight soil, etc. can be used.
It is about 0 to 30 mm. The artificial lightweight soil is preferably made of perlite pearlite, organic and inorganic modifiers, and trace elements.

A temporary retaining pile 3 is installed on the vegetation base (soil) 2, and a large part of the surface of the vegetation base (soil) 2 is provided with an appropriate gap 5 of about 10 to 150 mm by a block-shaped water-impermeable plate 4. The impervious plate 4 is fixed to the net-like structure 6 in advance, and is suspended on the slope 1 by a crane or the like. And lay it down. The material of the impervious plate 4 is natural stone, vitreous insulation,
Resin cement, lightweight concrete, brick, wood (board,
Use a material with low water permeability, such as bamboo or branches. In the figure, reference numeral 7 denotes a dedicated hanging device for dispersing a load at the time of suspension so that a load is not locally applied to the net-like structure 6.

The net-like structure 6 is used as a so-called geogrid (ground reinforcement), and is a high-strength plastic net, for example, TENSER (trade name) of Mitsui Chemicals Co., Ltd. is suitable.

As shown in FIG. 4, such a net-like structure 6 with the impervious plate 4 is a long vertically long strip (2,000 mm wide as an example, and the length is adjusted to the slope 1. 5,000 to 12,000 mm). For example, a fixed beam 8 made of a steel rod is disposed between each section in the vertical length direction (2,000 to 2,500 mm). It is. The thickness of the block-shaped impervious plate 4 is 20 mm to 3 mm.
A material having a size of about 0 mm and a size of about 100 mm to 500 mm is used.

In this embodiment, the impervious plate 4 is of a natural stone type made of mortar or concrete artificial rock. As shown in FIGS. 5 and 6, this artificial rock is produced using a metal mold 9 made of a synthetic resin such as FRP or the like.

Then, the impervious plate 4 is attached to the mesh structure 6.
The mounting may be performed by bonding, heat welding, or by using a mounting tool embedded during the production of the block. However, as shown in FIGS. A mesh-shaped structure 6 is laid on the mold frame 9, and an end of a hook-shaped mounting bracket 10 to be engaged with the mesh-shaped structure 6 is inserted into the mold 9. If mortar or concrete is poured into the formwork 9 and hardened in this manner, the end of the mounting bracket 10 can be embedded in a molded product as a pseudo rock, and the mounting bracket 10 can be embedded.
Thus, the water-impermeable plate 4 can be fixed to the net-like structure 6.

The net-like structure 6 with the impervious plate 4 laid on the vegetation base (soil) 2 has a fixed beam 8 and a hook at the end.
By engaging the anchor pin 11 with the engagement of the anchor pin 11 a, the anchor pin 11 is hooked on the surface of the vegetation base (soil) 2 via the anchor pin 11. The fixing beam 8 serves as a structural material for fixing the net-like structure 6 with the impervious plate 4 to the slope 1, suspends the net-like structure 6 at the time of construction, and connects the net-like structure 6 to each other. It can also be used for joints.

In addition to the seed mixed with the base material, the plant can be planted in the gap 5 after the poorly permeable plate 4 is set on the slope. It is also possible to plant moss on the poorly permeable plate 4 itself.

Further, if necessary, the small step portion 1 of the slope 1
The net-like structure 6 with the impervious plate 4 is also installed at a.

FIG. 10 shows a second embodiment of the present invention, in which a vegetation base 2 comprises an artificial lightweight soil 13 containing seeds.
It was formed by laying a bag 14 containing the resin. In the figure, reference numeral 15 denotes a water stop plate provided at the end of the bag 14.

The bag 14 containing the artificial lightweight soil 13 may be previously attached to the back side of the net-like structure 6 and installed on the slope 1 at the same time as the impervious plate 4.

The slope constructed in this manner is shown in FIG.
As shown in Fig. 14, the landscape can be greened.

As described above, the material of the water-impermeable plate 4 is
Natural stone, glassy heat insulating material, resin cement, lightweight concrete, brick, wood (plate, bamboo, branches) and the like may be selected from those having low water permeability.
1. As shown in FIG. 12, square tiles may be used, and the tiles may be geometrically arranged. In FIG. 12, the gap 5 is set relatively large.

In the field of application of the present invention, the slopes requiring protection, greening and scenic landscape include rock cutting slopes, concrete and mortar slopes, embankment slopes,
This includes slopes that make the seawalls of rivers and other seawalls more natural, slopes that are covered with sheets, such as waste disposal sites.

[0036]

As described above, the slope revegetation method according to the present invention suppresses the evaporation of water in the vegetation base, so that there is little risk of plant death due to drying. In addition, since the roots extend into the vegetation base under the impervious plate, the plants grow even on the slopes where the roots do not enter, such as rock or concrete.

Furthermore, compared to the conventional method, the thickness of the vegetation base can be reduced, human labor at the site can be reduced, the cost can be reduced, and most of the slope is covered with the impervious plate.
It has a high erosion prevention effect on the slope and is an aesthetically superior method.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a slope revegetation greening method according to the present invention.

FIG. 2 is a vertical sectional side view showing a first embodiment of a slope revegetation greening method according to the present invention.

FIG. 3 is an enlarged vertical sectional side view of a part a in FIG. 2;

FIG. 4 is a partially omitted front view showing a net-like structure with a water-impermeable plate, showing a first embodiment of a slope-renovation greening method according to the present invention.

FIG. 5 is a perspective view of a formwork when the impervious plate is made of mortar or concrete artificial rock.

FIG. 6 is a perspective view of a water-impermeable plate formed by a mold.

FIG. 7 is a longitudinal sectional side view showing the connection between the impervious plate and the net-like structure.

FIG. 8 is a plan view showing the connection between the impervious water plate and the net-like structure.

FIG. 9 is an enlarged front view of a main part showing a fixed state of a net-like structure with a water-impermeable plate.

FIG. 10 is a vertical sectional side view showing a second embodiment of the slope revegetation greening method of the present invention.

FIG. 11 is a partial front view of a second example of a net-like structure with a water impervious plate as a third embodiment of the slope landscape greening method according to the present invention.

FIG. 12 is a partial front view of a third example of a net-like structure with a water-impermeable plate as a fourth embodiment of the slope revegetation greening method according to the present invention.

FIG. 13 is a front view showing an example of a slope constructed by the slope revegetation greening method of the present invention.

FIG. 14 is a front view showing another example of the slope constructed by the method for renovating the landscape of the slope according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Slope 1a ... Small step part 2 ... Vegetation base (soil) 3 ... Temporary retention pile 4 ... Impermeable plate 5 ... Gap 6 ... Net-like structure 7 ... Exclusive hanging tool 8 ... Fixed beam 9 ... Form 10 ... Installation Metal fittings 11 ... Anchor pin 11a ... Hook 12 ... Temporary wire 13 ... Artificial lightweight soil 14 ... Bag 15 ... Water stop plate

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroki Sawada 2-9-1-1, Tobita-Sen, Chofu-shi, Tokyo Kashima Construction Co., Ltd. (72) Inventor Jin Mizutani 6-2-2, Toyo, Koto-ku, Tokyo Kashima Construction Co., Ltd.Kanto Branch (72) Inventor Hiroyuki Takasago 2-9-1-1, Tobita-Shi, Chofu-shi, Tokyo Kashima Construction Co., Ltd. No. 7 Kashima Construction Co., Ltd. (72) Inventor Yamada Misugi 2-7 Motomoto Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. F-term (reference) 2D044 DA01 DA33 DB52

Claims (8)

[Claims] 1. Vegetation base (soil) widely installed on a slope
A method of revegetation on a slope, characterized in that a large part of the surface is covered with a block-shaped impervious plate with an appropriate gap. 2. The method according to claim 1, wherein the water-impermeable plate is fixed to a net-like structure in advance, and is suspended from a slope by a crane or the like. 3. The method according to claim 1, wherein the vegetation base is formed by spraying a base material mixed with plant seeds. 4. The method according to claim 1, wherein the vegetation base is formed by laying a bag containing artificial lightweight soil. 5. A bag containing artificial lightweight soil which forms a vegetation base is fixed to a net-like structure in advance, and both the impervious plate and the bag are suspended from a slope by a crane or the like. 4. A method for revegetation of the slope according to any one of (4) and (6). 6. The method according to claim 1, wherein the water-impermeable plate is a mortar or concrete artificial rock. 7. The impervious plate is made of mortar or concrete artificial rock, and when it is formed by a mold, a net-like structure is laid above the form and locked to the net-like structure. 7. The method according to claim 1, wherein the mounting bracket is embedded in a molded product. 8. The net-like structure provided with a water-impermeable plate is a strip having a large length, and fixed beams are disposed in each section in the vertical length direction. The method according to any one of claims 1 to 7, wherein the method is applied to a surface of (soil).