JPH10201367A - Sod grass growing base material and sod grass move-laying construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily lay natural sod grasses on a ground surface at a large indoor stadium, etc., and to easily remove it at need. SOLUTION: This sod grass growing material obtained by joining a sod rootstalk impermeable sheet 5 to the rear side face of a stereoscopic net line mat 4 and joining a lifting jig to the rear surface of the sheet 5. Top dressing is packed inside of the mat 4 to seed the seed of sod grasses or to plant grass seedlings for growing. The rootstalk 11 of the sod grasses 10 is entangled to the line body of the mat 4 to stabilize the sod grasses 10. The sod grass growing base material can be installed at a prescribed place by lifting by a lifting device such as a power lift, etc. by each unit through the use of the lifting jig on the rear face.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a growth base material for growing turfgrass in a mat form that can be easily transferred, and a method for moving and laying the growth base material.

[0002]

2. Description of the Related Art In recent years, large indoor stadiums have been successively constructed, and baseball, soccer, and athletics have become indoor sports which are not affected by the weather. At the grounds of these indoor stadiums, for example, artificial grass for baseball and natural grass for soccer must be used depending on the type of competition. Therefore, it is necessary to replace artificial turf and natural turf every time a different competition is held. In the case of artificial turf, turfgrass is a synthetic fiber or a finely torn film-like material, which is easy to lay and remove, but when laying natural turf, the turf is a living thing and must be handled carefully. Conventionally, as a method of growing turfgrass for relocation, a method of laying a nonwoven fabric on the ground and constructing and growing a soil consisting of a mixture of soil, fertilizer, water retention material, seeds on the upper surface, and growing the turfgrass Growing and moving laying method that cuts it into a rectangle or rolls it up to a long object of several meters and carries it out. Or, the actual Kaihei 5
As described in JP-A-31545, a nonwoven fabric is laid on a plastic bread, and a soil made of a mixture of soil, fertilizer, water retention material, and seeds is constructed on the upper surface to grow grass, and the grown grass is moved with the plastic bread. A growing method and the like that are easy to lay or move and lay have been put to practical use.

[0003]

However, in the case of turfgrass for moving laying using the nonwoven fabric as a growth base material, the rhizome of the turfgrass is entangled with the nonwoven fabric, and the nonwoven fabric and the turfgrass are separated and separated. At the time, the mat-like turf grass soil became a loose turf grass mat and required a period of growing and curing for a while after laying.

[0004] As described in Japanese Utility Model Application Laid-Open No. Hei 5-31545, a nonwoven fabric is spread on the upper surface of a plastic bread and grown with a soil, and there is no particular problem for the growth of turfgrass. Is large, about 2 m wide and about 2 m long, and has problems such as requiring large labor for transportation and construction. For this reason, the turfgrass mat grown and cured loses its shape during moving laying, and a large space cannot be produced, and laying requires a great deal of labor.

The present invention proposes a turfgrass growth base material and a turfgrass moving and laying method for solving the above problems.

[0006]

According to the present invention, there is provided a turfgrass rhizome impervious sheet in which a three-dimensional net mat made of a synthetic polymer continuous filament is joined to one surface, and a lifting jig is provided on the back surface. The three-dimensional reticulated body mat is arranged on the upper surface, deployed and laid, and the reticulated mat is filled with vegetation soil, and then seeded or covered on the upper surface. The above problem was solved by playing grass.

That is, according to the present invention, there is provided an air gap in which a large number of thermoplastic synthetic polymer continuous filaments having a diameter of 0.1 to 2 mm are formed in one side of an impervious sheet of turfgrass rhizome in an irregular loop. A turf grass growth base material characterized in that a growth base is formed by joining a bulky three-dimensional net-like mat having a high rate.

The turfgrass impervious sheet is a film-like sheet made of rubber, polyethylene, polypropylene, ethylene vinyl acetate or the like, and preferably has a thickness of 0.4 to 3.0 mm.

The reticulated mat is a bulky three-dimensional reticulated mat having a large porosity and formed by a large number of continuous synthetic polymer filaments having a diameter of 0.1 to 2.0 mm.

[0010] The net-like mat has an apparent thickness of 5-5.
0 mm, porosity 70-99%, parallel light transmittance 50-9
It is preferably a bulky three-dimensional net-like mat of 0%.

The turfgrass moving and laying method of the present invention is characterized in that the turfgrass growing base material on which the turfgrass is sown or vegetated and grown is lifted with a lifting device and the turfgrass growing base material is lifted and moved by a lifting device. The turfgrass can be conveniently grown on the ground by deploying and laying a partition plate between the base materials so that the rhizomes of the turfgrass do not enter each other.

[0012] Alternatively, turfgrass seeds are mixed with the soil to form a workable structure, and the turfgrass rhizome impermeable sheet prevents invasion of weeds from the ground and distributes the turfgrass growth base material. A turfgrass mat on which turfgrass has grown is lifted and conveyed by hanging the lifting tool of the power lift on the provided lifting jig, and is configured to be movable and laid.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The turfgrass impervious sheet forming the growth base material is a film-like sheet made of rubber, polyethylene, polypropylene, ethylene vinyl acetate or the like, which is impermeable to turfgrass rhizome. The thickness is 0.4-3.
A 0 mm one can be used.

If the thickness is less than 0.4 mm, the impact strength is insufficient, and there is a possibility that inconveniences such as breakage may occur when the three-dimensional net-like mat is combined and integrated or when the mat is moved as a turf grass growth base material. When the thickness is 3.0 mm or more, the impact strength is improved, but the cost is increased, and the thickness is preferably 1.0 to 2.0 mm.

In another embodiment, the turfgrass impervious sheet is a sheet-like material such as woven or nonwoven fabric made of synthetic polymer fiber such as polypropylene, polyethylene, polyester and nylon, which is impermeable to plant rhizome. The fiber density is 0.15 to 0.30 g / cm ³ , and the thickness is 1 to 3
A 0 mm one can be used. Those processed with these resins can also be used.

If the fiber density is less than 0.15 g / cm ³ and the thickness is less than 1 mm, the rhizome of the plant will pass and it will be troublesome to lay it down, and the impact strength will be insufficient. When the turf grass growth base is lifted by the lifting machine, the growth base material may be distorted by the load of the soil and turf grass.

When the fiber density is 0.30 / cm ³ or more and the thickness is 30 mm or more, the impact strength is improved but the cost is high, and the fiber density is preferably 0.18 to 0.25 g / cm 3.
^{3. The} thickness is 5 to 25 mm, more preferably the thickness is 10 to 20 mm.

The reticulated mat to be bonded to one surface of the turfgrass rhizome impermeable sheet can be produced by a known method as described in Japanese Patent Publication No. 63-53332. A bulky three-dimensional net mat having a large porosity formed by a large number of continuous filaments of synthetic polymer having a diameter of 0.1 to 2.0 mm is used to melt thermoplastic synthetic polymers such as polyethylene, polypropylene, polyamide, and polyester. A product or a composite melt of two or more types can be used, but polypropylene and polyethylene having relatively low melting points are advantageous in view of production cost.

The three-dimensional net-like mat has a specific appearance as shown in the perspective view of FIG.
Many of the 2.0 mm continuous filaments (1) of the synthetic polymer intersect each other and bend irregularly in the horizontal and thickness directions to form peaks (2) and valleys (3). A three-dimensional net mat (4) is formed to extend from one side to the other and to be bonded to each other at each intersection. It has an apparent thickness of 5 to 50 mm, preferably 10 to 40 mm, and has a high porosity of about 70 to 99% and a compressive strength against earth pressure while having a parallel light transmittance of 50 to 90%. Is desirable.

The porosity is less than 70% and the parallel light transmittance is 5
If it is less than 0%, the continuous filaments are too entangled with each other, so that the filling of the vegetation fill becomes insufficient, and voids are formed in the three-dimensional net-like mat, which may hinder the growth of turfgrass. Also,
When the porosity is 99% or more and the parallel light transmittance is 90% or more, the three-dimensional net-like body constituting a growth base material when lifting a turfgrass mat on which turfgrass has grown by a power lift because of insufficient strength for holding the vegetation soil. Inconveniences such as the soil inside the mat moving and distorting the mat-like turfgrass occur.

The lifting jig provided on one surface of the turfgrass rhizome impervious sheet forming the growth base material includes several belt holders and belts, and the lifting belt is arranged in the width direction of the growth base material. To avoid moving to
It can be formed on the back surface of the turfgrass rhizome impermeable sheet by heat sealing or bonding with an adhesive or by sewing.

As the belt, a rope or flat belt made of metal or fiber can be used.
Preferably, a flat belt woven from a spun yarn or multifilament of fibers such as polypropylene, polyethylene, polyester, nylon, vinylon, etc., which is easy to handle, has high corrosion resistance, and can be used.

It is preferable to provide a jig for lifting the growth base material at the end of the belt. The jig is made of a metal or synthetic polymer material in the shape of a hoop or hook, but it can be applied, but it is preferably easy to handle, corrosion-resistant and high-strength. However, a flat belt-shaped fiber made of a fiber such as polypropylene, polyethylene, polyester, nylon, and vinylon which is bulky and does not transmit strain to the growth base material can be preferably applied.

Further, it is preferable that a detachable partition plate is provided on the growth base material and on a division line adjacent to the growth base material so that the rhizome of turfgrass is not entangled between the growth base materials. By arranging the partition plate, a turfgrass mat in which the growth base material is independent from each other is formed.

Any partition plate can be used as long as it is a film or plate made of rubber, polyethylene, polypropylene, ethylene vinyl acetate, or the like that does not allow the rhizome of turfgrass to penetrate or stick thereto and is impermeable to the rhizome. Yes, no special limitation.

As the method of arranging the soil on the above-mentioned growth base material, a hydroseeder method, a soil seeder method, or other commonly used method of spraying a soil or a method of spraying the soil with human power, and flattening with a dragonfly are used. Arrangement of soil is possible.

[0027] The above-mentioned soil can be laid by mixing organic compost, sand, peat moss, water retention material and the like.

When the turfgrass is grown from sowing seeds, the seeds can be mixed and spray-filled with the above-mentioned soil.

In the case of turf grass, a turfgrass mat is spread and laid on the upper surface of the above-mentioned growth base material filled with mesh, and the river sand sieved from the upper surface is covered with sand to be cured and grown. I just need. Sprinkling equipment and the like can also be provided on the upper surface of the turf.

As a method of moving and laying the turfgrass mat on which the turfgrass has been grown and vegetated according to the present invention, a lifting jig for the grown turfgrass mat is taken out from an end of the turfgrass mat and lifted by a power lift. Take it out on a transport vehicle.

Further, after being transported to the movable laying ground, as shown in FIG. 4, the turfgrass mat is placed on a ground which is lifted and leveled by a power lift equipped with a hanger or is leveled flat with a molded product such as concrete. On the top of the grass grass mat, and fold the deployment ring on the back of the grass grass mat so that it does not extend beyond the end of the grass sheet on the grass grass mat at the bottom of the grass grass mat. I do.

Subsequently, adjacent turf grass mats are spread and laid so as to be in contact with each other in the same manner as described above.

Due to such a laying method, the size of the turf grass growth base material is about 2 m in width and about 10 m in length, and preferably about 2 m in width.
m and a length of about 5 m are preferred from the viewpoint of ease of transportation and the like.

The turfgrass growing base material of the present invention is characterized in that a three-dimensional net mat made of a synthetic polymer continuous filament having a diameter of 0.1 to 2 mm is joined to one surface of a turfgrass rhizome impermeable sheet, A lifting jig is provided and formed.

If the net-like mat surface is arranged on the upper surface, it is deployed and laid, and the mat is arranged in the gap of the mat, sowing the seeds of turfgrass, and growing or cultivating by growing turf. Is held in the gap of the three-dimensional net-like mat and is restrained so as not to move, so that when a load is applied from the upper surface of the turfgrass, root cutting due to the movement of the soil is prevented. In addition, since the rhizome of the turfgrass is entangled with the continuous filaments forming the three-dimensional net-like mat, the pulling resistance value of the turfgrass is improved. In addition, the turfgrass rhizome impervious sheet functions to maintain the quality of the turfgrass sown in order to prevent invasion of weeds from underground.

[0036]

【Example】

(Sturf grass growing base material) As shown in FIG. 1, the solid reticulated body mat (4) has a large number of synthetic polymer continuous filaments having a diameter of about 1.1 mm, each of which irregularly bends and intersects each other. Porosity 9 glued at the intersection and extending in the longitudinal direction
8%, the parallel light transmittance was 65%, and the apparent thickness was 29 mm. On one surface of the three-dimensional net-like mat (4), an ethylene propylene vulcanized rubber having a thickness of about 1.5 mm and a basis weight of 1
A turfgrass rhizome impervious sheet (5) having 550 g / m ² and a tensile strength of 250 kg / cm ² is laminated to form a turfgrass growth base material (6) shown in the sectional view of FIG. (7) was attached, a belt (8) woven with polyester multifilament was inserted into the belt holder (7), and a lifting jig was formed at both ends of the belt by sewing a suspension ring (9).

The turf grass growth base material (6) was cut into a width of 2 m and a length of 4.5 m. On the other hand, as a lifting jig belt (8), a belt-shaped string woven into a 5 cm wide twill woven flat belt with 48 pieces of 6-denier and 180 polyester multifilaments made of a single fiber was cut into a length of 5.5 m. . Then, the end face is folded back at a position of 30 cm, and five reciprocations 2c by sewing in the width direction while leaving the hanging ring part 15 cm.
The sewing was performed at intervals of m.

The lifting jig was mounted at three places on the back surface of the turfgrass rhizome impermeable sheet (4).

(Sow Seeding and Growth) A large number of turf grass growth base materials (6) formed in Example 1 were placed adjacent to an outdoor soil ground, and a thickness of 1 and a width of 7c were used as partition plates between them.
30 liters / m ² of soil consisting of organic compost 1: sand 1: peat moss 1: pearlite 1 was sprayed, and leveled with dragonflies. 10cm wide, 30cm long, 2cm thick
The sodding expand, the sieved sensor 20 kg / m ² and Kutsugaesuna a result of sprinkling water 1 m ² 7 liters ^2, a thickness of about 7
A turfgrass mat as shown in the cross-sectional view of FIG. 3 cm was formed. One week later, sprout of turfgrass (10) was found, and two months later, the rhizome (11) of turfgrass developed. The rhizome clung to the constituent striatum of the three-dimensional net-like mat (4) to stabilize the turfgrass. The rhizome did not protrude to the back due to the turfgrass rhizome impermeable sheet at the bottom.

(Grass grass moving laying method) Grass mats grown in the previous term were transplanted and developed on the ground by a power lift (12) as shown in FIG. 4 to form transplanted turf grass.

The power lift (12) has a suspending tool (13), and the turfgrass mat is lifted by being tightened to the right and left by the fastener (14), and is set on a ground to be laid.

[0042]

The turfgrass growing base material of the present invention is characterized in that a three-dimensional net-like mat made of a synthetic polymer continuous filament having a diameter of 0.1 to 2 mm is joined to one surface of a turfgrass rhizome impermeable sheet,
Further, a lifting jig is provided and formed on the back surface.

If the net-like mat surface is arranged on the upper surface and deployed and laid, a mat is arranged in the space of the mat and seeds of turfgrass are sown and grown, or if the turf is grown and curled, The soil is held in the gaps of the three-dimensional net-like body mat and restrained from moving, so that when a load is applied from the upper surface of the turfgrass, the root cut due to the movement of the soil is prevented. In addition, since the rhizome of the turfgrass is entangled with the continuous filaments forming the net-like mat, the pull-out resistance value of the turfgrass is improved.

In addition, the turfgrass rhizome impervious sheet protection is effective in maintaining the quality of sown vegetation to prevent invasion of weeds from underground.

Further, since the lawn grass mat can be moved over a large area, the lawn grass ground can be easily formed at an event site or the like, and the grass grass can be quickly removed when it is no longer used.

[Brief description of the drawings]

FIG. 1 is a perspective view of a three-dimensional net-like body mat.

FIG. 2 is a cross-sectional view showing the structure of a turf grass growth base material of the present invention.

FIG. 3 is a cross-sectional view showing a turfgrass vegetation state using the turfgrass growth base material of the present invention.

FIG. 4 is a side view showing a turfgrass mat being lifted when moving.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Continuous filament 2 Mountain part 3 Valley part 4 Three-dimensional mesh body mat 5 Turf grass rhizome impervious sheet 6 Turf grass growing base material 7 Belt holding tool 8 Belt 9 Hanging ring part 10 Turf grass 11 Rhizome 12 Power lift 13 Hanging tool 14 Fastener

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[Procedure amendment]

[Submission date] January 29, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0023

[Correction method] Change

[Correction contents]

It is preferable to provide a jig for lifting the growth base material at the end of the belt. Jig can be applied those formed with the hanging ring or hook-shaped metallic or synthetic polymeric materials, preferably handle high powerful in an easy and corrosion resistance, underlay to the lower surface of the base material during the growth base material construction Even if it is made of a fiber such as polypropylene, polyethylene, polyester, nylon, or vinylon which is bulky and does not transmit strain to the growth base material, it is preferably woven in a flat belt shape. did.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0039

[Correction method] Change

[Correction contents]

(Sow Seeding and Growth) A large number of turf grass growth base materials (6) formed in Example 1 were placed adjacent to an outdoor soil ground, and a partition plate between each was 1 mm thick and 1 mm wide. Partition using a 7 cm polyvinyl chloride plate, spray 30 L / m ² of soil consisting of organic compost 1: sand 1: peat moss 1: pearlite 1 as fill soil, level with dragonflies, and top 10cm wide, 30cm long, 2c thick
Expand sodding of m, the sieved sensor 20 kg / m ² and Kutsugaesuna, 1 m ² per 7 result of watering liters of water, turfgrass mat as shown in the sectional view of FIG. 3 having a thickness of about 7cm One week later, shoots of turfgrass (10) were sporadic, and two months later, the rhizome (11) of turfgrass developed. The rhizome clung to the constituent striatum of the three-dimensional net-like mat (4) to stabilize the turfgrass. The rhizome did not protrude to the back due to the turfgrass rhizome impermeable sheet at the bottom.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0044

[Correction method] Change

[Correction contents]

[0044] In addition, turfgrass rhizome impervious sheet is effective in maintaining the quality of plants seeded to prevent invasion of weeds from the ground.

Claims (5)

[Claims] 1. One side of a turfgrass rhizome impermeable sheet,
A bulky three-dimensional net-like mat having a large porosity formed by forming a large number of thermoplastic synthetic polymer continuous filaments having a diameter of 0.1 to 2 mm in an irregular loop is joined to the turfgrass rhizome impermeable sheet. A lawn grass growth base material characterized in that a lifting jig is joined to the back surface. 2. The turfgrass growth base material according to claim 1, wherein the turfgrass impermeable sheet is a film-like sheet made of rubber, polyethylene, polypropylene, ethylene vinyl acetate or the like. 3. The turfgrass growth base material according to claim 1, wherein the turfgrass impermeable sheet is a sheet material such as a woven or nonwoven fabric made of synthetic polymer fibers such as polypropylene, polyethylene, polyester, and nylon. 4. The solid reticulated body mat has a diameter of 0.1 to 2.
A bulky mat having a large porosity having an apparent thickness of 5 to 50 mm, a porosity of 70 to 99%, and a parallel light transmittance of 50 to 90% formed by a large number of synthetic polymer continuous filaments of 0 mm. 3 turfgrass growth base material. 5. The turfgrass growth base material lifting jig according to claim 1, wherein the turfgrass growth base material lifting jig is grasped by a lifting device, the turfgrass growth base material is lifted and moved, and the turfgrass growth base material is deployed and laid at a laying position. Lawn grass moving laying method.