JPH08172899A - Greening and planting body for roadside tree - Google Patents

Abstract

PURPOSE: To obtain a greening and planting body for roadside tree capable of preventing aggravation of circumstance and improved in air and water permeabilities, germination rate and beauty by packing seeds, etc., into the clearance of porous concrete. CONSTITUTION: This greening and planting body is obtained by packing seeds 5, fertilizer 6, a culture medium material 3, etc., into the clearance of a porous concrete hardened body 2. Furthermore, the greening and planting body is preferably constituted of a mixed layer 7 comprising the plant greening base 4 obtained by packing a culture medium material 3 into the clearance 2A in the lower part of the porous concrete hardened body 2, seeds 5 packed into the clearance 2B in the upper part of the plant greening base 4, a fertilizer 6 and the culture medium material 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tree-planting vegetation for a street tree, which is installed at a root portion of a street tree or the like and the root portion is planted with a plant.

[0002]

2. Description of the Related Art Conventionally, at the root of a roadside tree, in order to enable water supply by rainfall or water sprinkling, the ground is exposed within a predetermined range, or a covering member made of cast metal having slits or through holes is formed. Covering.

[0003]

[Problems to be Solved by the Invention] However, when the ground is exposed, the surface of the ground becomes muddy when it rains or sprinkles, and the scenery deteriorates. May get dirty. Further, when dried, there is a problem that the soil in the ground becomes dust and rises up due to the wind, which deteriorates environmental hygiene. On the other hand, when the root part of the roadside tree is covered with a metal covering member, the above problems are solved to some extent, but the landscape becomes artificial and is not suitable for a place of relaxation. There is a problem such as.

[0004]

[Means for Solving the Problems] The present invention has been made in order to solve the above-mentioned various problems, and a root part of a roadside tree is permeable to water and plants are planted to grow green. The purpose of the present invention is to provide a product that is greened by covering it with a member to improve its aesthetic appearance, and its gist is that it consists of a porous concrete hardened body filled with seeds, fertilizers, medium materials, etc. It is in the greening vegetation for street trees.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the embodiments shown in the drawings. In the drawings, reference numeral 1 is a green vegetation for street trees according to the present invention. As shown, a greening vegetation base 4 comprising a porous concrete hardened body 2 and a medium material 3 filled in a lower space 2A of the porous concrete hardened body 2, and the greening vegetation base 4
The seed layer 5, the fertilizer 6, and the mixed layer 7 composed of the culture medium material 3 are filled in the upper void 2B of the above.

The porous concrete hardened body 2 has a relatively coarse aggregate 8, 8 as shown in FIG.
Is obtained by adhering and fixing the same with an adhesive material 9 and curing it. Therefore, the aggregate 8 has almost no air permeability or water permeability, but the voids 2A and 2B are formed between the aggregates 8 and 8 and the shape is maintained by the adhesive fixing with the adhesive 9. As a whole, the porous concrete hardened body 2 is porous and has air permeability and water permeability.

Here, the aggregate 8 has a particle diameter of 2.5 to
Crushed stone of about 40 mm is used, and as the adhesive 9, mixed cement such as various Portland cement and blast furnace cement is used. As the medium material 3, a mixture of soil and perlite, a pulverized product of hardwood pulp, cellulose powder, crystalline cellulose, or the like is used. The porosity of the porous concrete hardened body 2 is set to 25 to 35% in consideration of the ease with which the roots of plants are stretched and the ability to absorb water due to the capillary phenomenon.

Desired performance can be imparted by adjusting the type and particle size of the aggregate 8. Moreover, you may use an admixture as needed. Further, the shape of the hardened porous concrete 2 is a rectangular parallelepiped cube, a panel shape,
Any shape such as a rhombus may be used, and the shape can be changed according to the application. Also, the type of seed 5 is not particularly limited and may be appropriately selected according to the purpose.

Examples of the composition of the porous concrete hardened body 2 are shown in Table 1 below.

TABLE 1 Water 48.90 (kg / m ³⁾ ordinary portland cement 259.00 (kg / m ³⁾ Aggregate [crushed stone, grain size 10~20mm] 1501.00 (kg / m ³⁾ relieving agent [Kao "mighty 150"] 5.18 (kg / m ³⁾ AE agent [Kao "mighty AE03"] 0.1295 (kg / m ³⁾

Further, a method for producing the greening vegetation 1 for street trees, that is, a method for forming a greening vegetation base 4 by filling a medium material 3 in the lower void 2A of the hardened porous concrete 2, and Upper void 2 of vegetation base 4 for greening
B is filled with medium material 3, seeds 5, fertilizer 6, etc. and mixed layer 7
There is no particular limitation on the method of forming the, but, as an example thereof, vibration is applied to the porous concrete hardened body 2 fixed on the vibration table shown in FIG. First, the medium material 3 made of soil and perlite is put in, and the lower space 2A is filled with the medium material 3 to form a greening vegetation base 4 as shown in FIG. Then, the upper space 2B of the vegetation base 4 for greening is filled with the medium material 3, the seeds 5, the fertilizer 6 and the like to form a mixed layer 7 as shown in FIG. A green vegetation 1 is formed.

As another method, vibration is applied to the hardened porous concrete 2 shown in FIG. 2 (a) fixed on a vibration table, and a medium consisting of soil and pearlite is first applied from the upper surface of the hardened porous concrete 2. Material 3 is charged, and medium material 3 is placed in lower space 2A and upper space 2B.
Evenly. Next, the filled medium material 3 having a depth of about 8 mm is removed by suction from the upper surface of the porous concrete hardened body 2, and as shown in FIG. Only medium material 3
To form the vegetation board 4 for greening. Then, the upper part void 2 of the greening vegetation base 4 from which the medium material 3 is removed
B is filled with the seed 5, the fertilizer 6 and the medium material 3 by the same method as described above to form a mixed layer 7 on the upper part of the greening vegetation base 4 as shown in FIG. Then, there is also a method of forming the greening vegetation 1 for street trees.

As shown in FIGS. 1, 6 and 8, the green vegetation 1 for street trees according to the present invention has its outer shape formed into a rectangular shape 10, a circular shape 11 and a polygonal shape 12, respectively. Also having a circular hole 13 formed in the center, as shown in FIGS. 3, 7, and 9, divided into two, rectangular block 10A, arc-shaped block 11A and polygonal block. By combining 12A respectively,
When the outer shape is formed into a rectangular shape 10, a circular shape 11 and a polygonal shape 12, respectively, a circular hole 13A is formed in the center, respectively, as shown in FIGS. , Rectangular blocks 10B and 12B are combined to form a rectangular shape 10 and a polygonal shape 12, respectively.
When it is formed, there is a structure in which a circular hole 13A is formed in the center, or a multi-divided type, although not shown. In the figure, 14 is an upright portion for forming a frustoconical portion around a circular hole 13A formed at the center of the arc-shaped blocks 11A when combined, and 15 is a normal frame block. .

The green vegetation 1 for street trees according to the present invention is installed directly on the ground G at the base of the street tree T as shown in FIG. 11 or FIG. The green vegetation 1 is excellent in water permeability, and when it rains, water immediately permeates into the ground G immediately below the green vegetation 1 for street trees and can supply water to the tree T. If possible, excess rainwater can be stored in the soil. In addition, when the weather and the like continue to dry, the medium material 3 can absorb water from the ground G directly below the green vegetation for street trees 1 due to the water absorption performance of the medium material 3, and even if there is no supply of rainwater, etc. Water can be supplied into the tree-planting vegetation 1. Then, the germinated seeds 5 have roots in the mixed layer 7 in the voids of the hardened porous concrete 2, and with the help of the fertilizer 6, plants F, such as flowers and lawns, grow.

[0014]

EFFECTS OF THE INVENTION The green vegetation for street trees according to the present invention is porous and breathable because it has a structure in which the voids of the hardened porous concrete are filled with seeds, fertilizers, medium materials, etc., as described above. It becomes permeable, and when it rains, it immediately penetrates into the ground beneath the greening vegetation, and water supply to the roadside trees is not hindered. In addition, when the weather continues to dry, the water scavenging performance of the medium material allows water to be absorbed from the soil immediately below the living tree vegetation, and even without the supply of rainwater Since water can be supplied to the body, the germination rate is improved, and at the same time, the roots of the roadside trees are planted with greenery, which improves aesthetics. Also, because the ground is not exposed,
Since there is no muddying and dust rising due to wind and rain, there are various effects such that the deterioration of the environment can be prevented.

[Brief description of drawings]

FIG. 1 is a perspective view of a greening vegetation for street trees according to the present invention.

FIG. 2 is an explanatory view showing a manufacturing process.

FIG. 3 is a perspective view of another example of a green vegetation for street trees.

FIG. 4 is a perspective view of another embodiment of the greening vegetation for street trees.

FIG. 5 is a perspective view of a usage state.

FIG. 6 is a perspective view of another example of a green vegetation for street trees.

FIG. 7 is a perspective view of another example of a green vegetation for street trees.

FIG. 8 is a perspective view of another example of a green vegetation for street trees.

FIG. 9 is a perspective view of another example of a green vegetation for street trees.

FIG. 10 is a perspective view of another example of a green vegetation for street trees.

FIG. 11 is a perspective view of a usage state.

FIG. 12 is a cross-sectional view of a usage state.

[Explanation of symbols]

 1 Greening vegetation for street trees 2 Hardened porous concrete 2A Lower void 2B Upper void 3 Medium material 4 Vegetation base for greening 5 Seeds 6 Fertilizer 7 Mixed layer 8 Aggregate 9 Adhesive 10 Rectangular greening vegetation for street trees Body 10A Rectangular block 11 Circle-shaped greening vegetation for street trees 11A Circular block 12 Polygonal greening vegetation for street trees 12A Polygonal blocks 13 Circle holes 13A Circle holes 14 Erecting section 15 Law block G Ground T Street Tree F plant

Claims (2)

[Claims] 1. A green vegetation for a street tree, characterized in that the voids of a hardened porous concrete are filled with seeds, fertilizers, medium materials and the like. 2. A structure comprising a plant greening base in which a lower space of a hardened porous concrete is filled with a medium material, and a mixed layer composed of seeds, fertilizers and a medium material filled in an upper space of the plant green base. A green vegetation for street trees characterized by the above.