JPH11113383A - Laying type greening mat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject simple mat capable of simply greening even a river, a shoreline or further a place where the care is hard to exercise without requiring much labor by interposing a vegetable water holding material and seeds or the like of a plant between a pair of nonwoven fabrics composed of biodegradable plastic fibers. SOLUTION: This mat 1 is obtained by nearly uniformly interposing a vegetable water holding material 3 and a part of a plant or seeds 4 of the plant between at least a pair of nonwoven fabrics 2 composed of biodegradable plastic fibers, joining the nonwoven fabrics 2 on the right and back sides with joining means 5 and fixing the vegetable fibers and/or a powder of a bark and the seeds 4 of the plant. The vegetable water holding material 3 can be formed of a peal moss and/or the powder of the bark.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laying green mat, and more particularly to a laying green mat which can be used for greening rivers, swamps, lakes and their bottoms, and seawalls.

[0002]

2. Description of the Related Art In general revetment works for rivers and coastlines, natural rocks that have been used to form a revetment are removed, sand that has flowed in is dredged, and concrete is applied to a slope that has been leveled or concrete blocks are applied. Is to be loaded.

[0003]

However, in the above-mentioned conventional revetment work, there has been a problem that the concrete skin is exposed and the landscape is spoiled. Furthermore, since rivers and coastlines are made of concrete, there is no place for wild animals and plants such as birds and fish. As a result, there is a problem that the ecosystem changes, the ability of wild animals and plants to purify rivers and the like is reduced, and this also causes environmental pollution.

[0004] Therefore, it is conceivable to provide a frame or a container for placing cultivation soil such as plants on the concrete after the revetment work so that the plants and the like can be grown here. In addition, there is a problem that the effect of dredging for a frame or a container for placing soil for cultivation of plants or the like is reduced by half. The present invention has been proposed in view of the above problems, and is a simple and inexpensive laying method that can be used for greening rivers and coastlines, as well as for easily greening other hard-to-care places. It is an object of the present invention to provide a greening mat.

[0005]

Means for Solving the Problems In order to achieve the above object, a laying type greening mat according to the present invention comprises a plant water retention material, a part of a plant, The present invention is characterized in that plant seeds are substantially evenly interposed, the front and back nonwoven fabrics are joined by joining means, and the plant water retention material and the plant seeds are fixed.

That the plant water retention material is formed of peat moss and / or bark powder, that a part of the plant or the seed of the plant is capable of growing in seawater or capable of growing in freshwater; One of the features is that a part of a plant or a seed of the plant is a ground cover.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a laying type greening mat raising seedling mat according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a laying greening mat, and FIG. 2 is a perspective view of a part of the mat being cut away. The laying-type greening mat 1 is composed of nonwoven fabrics 2 arranged in a pair of upper and lower, a peat moss 3 provided between the nonwoven fabrics 2 and 2 as a plant water retention material, and a plant put in the peat moss 3. Consisting of 4 seeds,
By dividing the pair of upper and lower nonwoven fabrics 2 by sewing (joining means) 5, the peat moss 3 and the seeds 4 of the plant are prevented from being biased between the pair of upper and lower nonwoven fabrics 2. Here, the plant seed 4 referred to in the present example includes not only a plant seed but also a part of a plant for cuttings.

Although illustration is omitted here, the non-woven fabric 2 will be described in detail. The non-woven fabric 2 is prepared by spinning a biodegradable plastic heated and melted into filaments, and cutting the filaments into long fibers and short fibers. The obtained biodegradable plastic fiber is formed into a wrap shape which is spread almost uniformly. Thereafter, the wrapped biodegradable plastic fibers are pressed into a sheet while being heated.
In addition, the nonwoven fabric 2.2 made of biodegradable plastic fiber
Among them, the basis weight of the lower nonwoven fabric 2 is preferably in the range of 50 to 120 g / m ² , and the basis weight of the upper nonwoven fabric 2 is 30 to 70 g.
/ M ² is desirable. That, together with the ones stronger thicker than the upper non-woven fabric 2 woven 2 below, the basis weight of the lower non-woven fabric 2 is poor in toughness as nonwoven fabric by 50 g / m ² or less, whereas, the basis weight of 120 g / m ² If it exceeds, not only will it be economically expensive, but also the thickness and weight will increase and the workability will decrease. In order to promote root growth, it is preferable that the biodegradable plastic is colored black when dissolved, or the formed nonwoven fabric 2 is colored black or dark brown to provide light shielding properties. .

In order to form the laying greening mat 1 using the nonwoven fabric 2 thus formed, first, as shown in FIG. 3, reeds, salica, kishobu or the like are placed on the upper surface of the continuously supplied lower nonwoven fabric 2. Plants that can grow in the submerged state of freshwater in Japan, Hedera helix, ground cover (ground plant) such as pine needle chrysanthemum and dragon mustache, Twill willow, akigumi, moss phlox etc. Peat moss 3 mixed with a single seed 4 or a combination thereof with each other is supplied substantially uniformly. In addition, the seeds of the plants mixed into the peat moss 3 may be seeds of various plants other than those described above, alone or in combination with the seeds of the flowers that bloom in each of the four seasons. Not only plants but also shrubs and their seeds can be used as long as they are for greening.

[0010] Next, after the nonwoven fabric 2 is further laminated from above the peat moss 3 in which the seeds 4 of the plant are mixed,
When the upper and lower nonwoven fabrics 2 and 2 are sewed vertically and horizontally like a quilt by a sewing machine and partitioned, the peat moss 3 mixed with the seeds 4 supplied between the upper and lower nonwoven fabrics 2 and 2 is fixed in each partition and biased. Is prevented. The upper and lower nonwoven fabrics 2 may be joined together by stapling, by an adhesive, or by high frequency welding instead of the sewing 5 as the above joining means.

Next, the case where the laying type greening mat 1 formed as described above is used will be described. For example, after the revetment work of a river is completed, a laying type greening mat 1 is laid on a riverbed or a slope of a dike covered with concrete or the like, and this is fixed by fixing means (not shown) such as anchors, nails, and piles. . The laying-type green mat 1 fixed in this way germinates the seeds 4 between the upper and lower non-woven fabrics 2 and 2 that meet the germination conditions such as climate and water, due to the water and rain of the river. The roots extending from the seed 4 are entangled with each other and spread to the peat moss 3 containing water to become a seedling.

On the other hand, since the upper and lower nonwoven fabrics 2.2 are formed of biodegradable plastic fibers, the decomposition is gradually started, and when the seeds 4 become seedlings, these nonwoven fabrics 2.2 become water. Decomposes into carbon dioxide and disappears. Thus, even if the upper and lower nonwoven fabrics 2 and 2 disappear, the roots that have become seedlings from the seeds 4 are surely entangled with each other and cover the riverbed or the slope of the embankment covered with concrete. The slope is protected and protected by these roots.

In the example of the above embodiment, the laying type greening mat 1 according to the present invention is laid on the revetment of a river or the like or on the bottom of the river. It is a matter of course that the laying type greening mat 1 of the present invention can also be used for greening a hard-to-care area such as a cut section, an embankment section, and a median strip of a highway. That is.

Further, the peat moss 3 disposed between the upper and lower nonwoven fabrics 2 can be replaced with a plant-based water-retentive material such as bark powder or can be used together with the peat moss 3. The species of the plant to be mixed therewith can be used instead of or together with a part of the plant. In addition, nonwoven fabric 2
2 is not limited to a pair, and it is also possible to use three or more sheets and to interpose a vegetable water retention material mixed with the same or different seeds 4 between each nonwoven fabric.

[0015]

According to the present invention, as described above, peat moss and / or bark powder and plant seeds are substantially evenly interposed between at least one pair of non-woven fabrics made of biodegradable plastic fibers. Are joined by joining means to fix the plant fiber and / or bark powder and plant seeds to form a laying type greening mat. Secure to surfaces, rivers, swamps, lake bottoms, etc.
Then, the seeds in the laying type greening mat grow, and the concrete surface after the revetment work is greened by the grown plants.

As a result, a habitat for wild animals and plants such as birds and fish is formed in rivers, swamps, lake bottoms, and the like, and the ecosystem can be maintained as it is. Also, when the grown plant covers the concrete surface, river, swamp, and lake bottom of the lake after revetment work with plant roots, the concrete, river, swamp, and lake bottom of the lake are preserved by the roots of the plant, There is also an advantage that collapse or the like can be prevented even by an earthquake or the like.

[Brief description of the drawings]

FIG. 1 is a perspective view of a laying type greening mat according to the present invention.

FIG. 2 is a cutaway perspective view of a part of the laying type greening mat according to the present invention.

FIG. 3 is a perspective view showing a manufacturing process of the laying type greening mat according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Laying type greening mat 2 ... Nonwoven fabric 3 ... Plant water retention material (bark powder) 4 ... Seed 5 ... Joining means (sewing)

Claims (4)

[Claims] 1. A plant water retention material and a part of a plant or a seed of a plant are substantially evenly interposed between at least a pair of nonwoven fabrics made of biodegradable plastic fibers, and the front and back nonwoven fabrics are joined by joining means. A laying greening mat comprising a plant fiber and / or bark powder and plant seeds fixed. 2. The laying greening mat according to claim 1, wherein the vegetable water retaining material is formed of peat moss and / or bark powder. 3. The laying greening mat according to claim 1, wherein a part of the plant or a seed of the plant is capable of growing in seawater or capable of growing in freshwater. 4. The laying green mat according to claim 1, wherein a part of the plant or a seed of the plant is a ground covering.