JPH084018A - Bag-shaped mat made of cloth - Google Patents

Abstract

PURPOSE:To make a mat hard to cause flow away or scour of soil so as to accelerate the greening efficiently by providing it with a small opening at one- layer part of the bag-shaped mad made of cloth having the said one-layer part and a two-layer part, and providing it with an enlargeable part and a shape retaining part in its periphery. CONSTITUTION:A bag-shaped mat 1 made of cloth is provided, which has a two-layer part 2 having space for charging earth and sand, concrete, or the like between upper and lower textiles and a one-layer pat 3 having no charge space. This one layer part 3 is provided with a small opening consisting of a small hole 5 or a slit which facilitates the penetration of the seeds of plant, their germination, and elongation. Moreover, the periphery of the small opening is made an enlargeable part for the small opening consisting of dissoluble fiber textile 6 or rough construction textile, thus the opening can enlarge gradually as the plant having germinated grows up so that it may not prevent the growth of the plant. Moreover, the margin of the one-layer part 3 is made a shape retaining part 7 which retains the shape of a mat 1, resisting the charge stress of the substance charged into the two-layer part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cloth bag-like mat which can be filled with earth and sand or concrete to construct a slope protection work and at the same time promote greening.

[0002]

2. Description of the Related Art As shown in FIG. 6 (a), a conventional cloth bag-shaped mat 1 serving as a mold for filling concrete, earth and sand, etc., has a two-layer portion 2 in which a space for filling concrete or the like is provided between upper and lower two layers of fabric. And a single layer portion 3 having a size of, for example, about 30 cm × 50 cm with no filling void, and made of a synthetic fiber woven fabric such as nylon. For this reason, when the slope protection work is made by filling with concrete or the like, the single layer portion 3 does not easily deteriorate and remains for a long period of time, which prevents the roots of the plants from invading the ground and is an obstacle to greening. Was becoming.

For this reason, a method is practiced in which the layer portion 3 is cut off after the concrete is poured and filled. However, if the cutout is small, it will hinder the growth of wood and if it is too large, the surface of the ground will be scourd by rainwater, etc.
As mentioned above, it is indispensable to fill the inside with sandbags 4 etc., and there was a problem in workability and economy.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems. Its purpose is to have a small opening necessary for seed invasion and germination in a single layer, or to easily form a small opening to prevent scouring by rainwater and prevent the growth of germinated plants. The purpose is to propose a cloth-made bag-like mat that can efficiently promote greening without causing any problems.

[0005]

According to a first aspect of the present invention, there is provided a fabric bag-shaped mat having a two-layered portion having a filling void such as earth and sand and concrete and a single layer having no filling void between the upper and lower fabrics. Has a small opening consisting of small holes or slits for germination, and the periphery of the small opening constitutes an expandable part of the small opening consisting of easily degradable fiber fabric or coarse tissue fabric,
It is characterized in that the peripheral edge of the one-layer portion is a shape-retaining portion that withstands the filling stress of the filling material. The cloth bag-like mat according to claim 2 has a two-layer portion having a filling void such as earth and sand or concrete between upper and lower fabrics and a single layer portion having no filling void, wherein one layer is in contact with an aqueous liquid. There is a small opening forming part that forms a small opening or a small opening for germination, and the small opening forming part around the small opening forming part is made of easily degradable fiber fabric or coarse tissue fabric. It is characterized in that it forms a feasible portion, and the peripheral edge of the one-layer portion is a shape-retaining portion that withstands the filling stress of the filling material. Claim 3
The cloth bag-shaped mat according to claim 1 is the cloth bag-shaped mat according to claim 1 or 2, wherein a plurality of small openings or small opening forming portions are provided in a single layer portion, and the small openings or small opening forming portions are easily disassembled. It is characterized in that it is an expandable part made of a woven natural fiber fabric.

The size of the one-layer portion of the cloth mat depends on the type of plant to be planted, but in the case of herbs, for example, 5
It may be about cm × 5 cm, and about 10 to 30 pieces may be provided per 1 m ² . 20 cm x for wood, eg weasel
It is preferably about 20 cm, and in the case of cedar, keyaki, etc., about 50 to 100 cm square. It is also possible to mix single-layered portions having different sizes in one mat. It is also possible to provide a single-layer section of different sizes for vegetation of herbs and trees.

The size of the small hole is 1 cm to 5 cm on one side or in diameter.
Is preferable, and if it is less than 1 cm, seed invasion, germination,
It is difficult to extend the soil, and if it exceeds 5 cm, soil is likely to flow out, which is not preferable. The length of the slit is 2 cm
A range of 10 cm is preferred.

The easily decomposable fibers used in the present invention include:
There are biodegradable materials such as rayon, hemp, and polyethylene fibers with starch, and photodegradable materials such as photodegradable polyethylene fibers. After filling, it retains strength for about 1 to 2 weeks, loses strength within 3 months at the longest, decomposes, and can form a large opening through which a germinated plant can grow in a small opening.

Further, the coarse-texture fabric is a loose fabric such as one having a low density or a loose structure such as a floating yarn or a blind weave, and the woven fabric is easily displaced due to the growth of plants sprouted in the small openings. It forms large openings through which plants can grow.

The shape-retaining portion at the periphery of the one-layer portion has strength to withstand the filling pressure of concrete or the like, can retain the shape of the mat, and covers the periphery of the one-layer portion, so that seeds, fertilizer components, etc. that have penetrated into the one-layer portion, What has a long-term protective function, such as preventing soil runoff or drying due to direct sunlight, is required.

The small opening forming portion which is deteriorated by the water-based liquid of claim 2 and forms a small opening consisting of small holes or slits is used for warm water, cold water or pH of paper thread, polyvinyl alcohol fiber or glued sweet burning thread. It is a part woven with fibers that easily come into contact with the prepared aqueous liquid and deteriorate.

[0012]

【Example】

Example 1 FIG. 1 shows a cloth bag-shaped mat 1 according to an example of claim 1, which is surrounded by a two-layered portion 2 made of nylon fabric and provided with a square one-sided portion 3 having a side of 5 cm. This one-layer part 3 has a plain weave structure in the general part and a square small hole 5 with a side of 2 cm in the center.
There is a small opening made of, and the circumference of a width of 1 cm is an expandable portion made of easily degradable fiber fabric 6 made of rayon fabric. A 5 mm wide portion of the periphery of the single layer portion 3 is a shape-retaining portion 7 made of a nylon strong yarn woven fabric. Although not shown, the mat of this embodiment is provided with the single layer portions 3 arranged at intervals of 20 cm and at a rate of 25 pieces / m ² .

The small holes 5 are made of polyethylene yarn woven fabric and are formed by fusing along (a) four sides of a square, (b) two diagonal lines intersecting each other, or (c) one diagonal line as shown in FIG. It It should be noted that if the small hole portion is a cotton thread fabric or the like, it cannot be cut by fusion, so it is cut with a blade or the like.

FIG. 3 shows a state in which the mat 1 is laid on the ground surface, concrete is filled to form a protective work, and the seeds germinated in the small holes 5. The expandable part made of the easily degradable fiber fabric 6 decomposes at a speed substantially equal to the growth of the germinated plant to expand the small pores, which does not hinder the growth of the plant. In addition, it covers the area around the small holes until it decomposes, and exerts a protective function such as runoff of soil, fertilizer or seeds, and prevention of drying by direct sunlight.

The shape-retaining portion 7 retains the mat-like shape and covers the periphery of the one-layer portion to exert the same protective function as that of the expandable portion such as soil outflow, fertilizer outflow, and dryness prevention by direct sunlight.

When the cement particles are likely to flow into the small holes when pouring and filling the concrete structure, the small holes are blocked with an adhesive tape or the like to prevent the flow of the particles, and peel off after the pouring is completed. Good.

Embodiment 2 FIG. 4 shows a cloth bag-shaped mat 1 according to the embodiment of claim 1. This mat is surrounded by a two-layered portion 2 made of nylon woven fabric and provided with a square one-layered portion 3 having a side length of 20 cm. A small opening portion consisting of a slit 8 is formed in the central portion thereof by making a notch having a length of 8 cm. . The peripheral width of 10 mm of the one-layer portion 3 constitutes a shape-retaining portion 7 made of nylon strong yarn woven fabric, and the inside thereof is an expandable portion of a small opening portion made of a loose-woven fabric coarse-woven fabric 9.

This mat 1 can also be laid on the ground surface, concrete can be cast to form a protective work, and seeds can be germinated in the slits 8 to promote greening. As the germinated plant grows, the slits are expanded, and the opening surface required for growth can be expanded and expanded by shifting the expandable portion of the rough tissue fabric 9. At the same time, the coarse textured fabric covers the slit area (provides a protective function.

Example 3 FIG. 5 shows a cloth bag-shaped mat 1 according to the second and third embodiments, which is surrounded by a two-layered portion 2 made of nylon fabric and has one side having two sides.
There is one layer of a 5 cm square. In the single layer section 3,
There are four small opening forming parts 10 made of a paper twisted yarn woven fabric forming a square small hole with a side of 5 cm and arranged at intervals of 5 cm. The shape holding section 7 is

The cross-shaped portion sandwiched between the four small opening forming portions 10 is an expandable portion made of the easily decomposable fiber fabric 6 using hemp thread, and the outside of the four small opening forming portions 10. The L-shaped portions at the four corners of the one-layered portion 3 located at are the expandable portions made of the coarse textured fabric 9.

Although the small opening forming portion 10 is made of a paper twisted yarn woven fabric, if a warp yarn, a weft yarn or a fiber such as a nylon yarn which is not deteriorated by water is used in addition to this yarn, the small opening forming portion 10 is formed. The part may be woven as a floating structure and may be cut and removed in advance by heat cutting or the like.

This mat 1 was laid on the ground surface, poured and filled with concrete to form a protective work, and then pressurized water was sprayed on the surface. The paper twisted yarn forming the small opening forming portion 10 was swollen with water, easily deteriorated and cut by water pressure, and small holes for vegetation were formed, so that vegetation could be promoted.

The cross-shaped easily degradable fiber fabric 6 sandwiched between the small opening forming portions 10 is decomposed by ultraviolet rays, soil microorganisms, etc. within a few months and disappears, and one large opening including four small holes is formed. Form a part and promote the growth of plants. At the same time, the texture of the coarse textured fabric at the four corners can be easily displaced to enlarge the opening.

The easily degradable fiber woven fabric can be decomposed in a month or so by accelerating the decomposition rate by spraying the soil mixed with compost or the like.

[0025]

As described above, the present invention has the following effects.

[0026] This bag-like mat made of cloth has only a small opening consisting of a small hole or a slit in the one-layer portion when the slope protection work is applied. , The soil is not washed away or scoured, and there is no need for filling with sandbags.

The periphery of the small opening is an expandable part of the small opening made of a readily degradable fiber fabric or a woven fabric, and does not hinder the growth of the plant germinated in the small opening.

The periphery of the one-layer portion is formed as a shape-retaining portion, which can withstand the stress when filling concrete or earth and sand and retain the mat shape, and also prevent seeds, fertilizer, soil that have invaded into the one-layer portion from running away, and direct exposure. It can also exert a protective function such as prevention of drying due to sunlight.

Like the shape-retaining portion, the expandable portion made of the easily decomposable fiber fabric or the coarse texture fabric also exhibits a protective function.

In the mat of claim 2, after the protection work is applied,
A small opening can be easily formed by spraying pressured water, and can function like the mat according to the first aspect.

Since the mat according to claim 3 is made of the easily decomposable fiber fabric between the plurality of small openings of one layer, after the decomposition, the plurality of small openings are combined into one to form a large opening. Can be formed.

As a result, it is possible to efficiently promote the greening without filling the sandbag or the like with the soil for promoting the vegetation.

[Brief description of drawings]

1 is a plan view of a cloth bag-shaped mat according to claim 1. FIG.

2 (a), (b), and (c) are plan views of embodiments in which small holes are formed by fusing.

FIG. 3 is a cross-sectional view of a protective work formed by laying a mat on the ground surface and a plant germinated on one layer thereof.

FIG. 4 is a plan view of a cloth bag-shaped mat according to another embodiment of claim 1.

FIG. 5 is a plan view of a cloth bag-like mat according to the second and third embodiments.

6 (a), (b), and (c) are plan views of a conventional cloth bag-like mat, a cross section of a protective work formed by filling concrete and a layer cut, and a sandbag is filled inside. It is a figure.

[Explanation of symbols]

1 ... Cloth bag-shaped mat, 2 ... 2 layer part, 3 ... 1 layer part,
4 ... sandbag, 5 ... small hole, 6 ... easily degradable fiber fabric,
7 ... Shape-retaining part, 8 ... Slit, 9 ... Coarse structure woven fabric,
10 ... Small opening forming part.

Claims (3)

[Claims] 1. A cloth bag-like mat having a two-layer portion having a filling void such as earth and sand or concrete between upper and lower fabrics and a single layer portion having no filling void, wherein a small hole or a slit for germination is provided in the one-layer portion. Has a small opening, and the periphery of the small opening is an expandable part of the small opening made of easily decomposable fiber fabric or coarse textured fabric, and the periphery of the one-layer part is a shape-retaining part that can withstand the filling stress of the filling material. It is a bag-shaped mat made of cloth. 2. A cloth bag-shaped mat having a two-layer portion having a filling void such as earth and sand and concrete between upper and lower fabrics and a one-layer portion having no filling void, and the one-layer portion is deteriorated by coming into contact with an aqueous liquid and germinated. There is a small opening forming part that forms a small opening consisting of small holes or slits, and the periphery of the small opening forming part is an expandable part of the small opening forming part made of easily degradable fiber woven fabric or coarse tissue woven fabric, A cloth bag-shaped mat, characterized in that the periphery of the one-layer portion is a shape-retaining portion that can withstand the filling stress of the filling material. 3. The cloth bag-shaped mat according to claim 1, wherein the single layer portion has a plurality of small openings or small opening forming portions, and the small opening portions or portions between the small opening forming portions are easily decomposable. A cloth bag-like mat, which is an expandable part made of fiber woven fabric.