JPH11280041A - Greening block with seeding, and greening method for waterside such as river or lake - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable greening at a waterside such as a river by separatingly accomodating a porous concrete material and soil dressing in a seading pot with its top open, growing a plant in the soil dressing to allow its root to penetrate the concrete member. SOLUTION: A porous concrete material 2 is placed in a layer along the bottom surface and the inner circumferential surface of a seeding pot 1, and at its center a flowerpot-like soil dressing accomodation part is formed, into which soil dressing 3 is filled and a plant's seed or seeding of such as a sallow is planted or a required greening plant 4 is planted by a cutting method. Upon execution of work, a hole is excavated in the surface of ground at an inclined waterside which is composed of earth, sand or gravel, then a greening block with a seed is taken out of a seeding pot 1, and it is burried therein. Furthermore, if there is a need of preventing movement of the block before the plant's root spreads to the outside, an anchor fitting is driven into the ground for retaining the block. Accordingly, it is possible to lead a plant into a waterside with a highly stable activation state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a greening block with seedlings for greening a waterside of a river or a lake by vegetation, and a waterside greening method using the block.

[0002]

2. Description of the Related Art Conventionally, watersheds of rivers and lakes have been subjected to revetment work with the highest priority on functions for preventing disasters such as floods. Almost.

[0003] In recent years, construction methods have been developed to revegetate riverbanks by vegetation with inorganic and scrupulous seawalls, but these are plants in which grass is vegetated on the seawall for greening of embankments that are not normally irrigated. Was the most.

[0004] The reason is that planted plants are washed away or grown in areas that are constantly exposed to running water, such as river banks, become wet due to fluctuations in water level, or become semi-dry or dry. This was because plant growth was difficult due to large fluctuations in conditions.

[0005] In order to solve such a problem, a mortar is applied to the outer peripheral surface of a dust concrete, that is, a granular aggregate, and the mortar is used as a binder to integrate the aggregates to thereby increase the porosity. Using concrete in a porous state (hereinafter referred to as porous concrete), a space for vegetation is formed in the center of the block made of the porous concrete, and plants are planted in the space and installed at the waterside, Construction methods have been developed to prevent vegetation runoff (Japanese Patent Publication No. 6-5602).
No. 0).

[0006]

In the above-mentioned conventional waterside greening method using porous concrete, a block made of porous concrete is manufactured, and a soil is applied to the block to grow the plant. There is a problem that the soil required for active growth is not sufficient, so that it takes a long time to grow the seedlings, and the activity of the seedlings planted in the blocks must be low.

The present invention has been made in view of such a conventional problem,
In order to enable plants to be introduced in a stable state with high activity on the waterside directly affected by fluctuations in water currents and water levels, to restore the ecosystem of flora and fauna and to enhance the revetment function,
It is an object of the present invention to provide a greening block with seedlings and a method for greening a waterside of a river, a lake or the like using the block.

[0008]

The feature of the greening block with seedling according to the present invention for solving the conventional problems as described above and achieving the intended object is that a greening seedling pot having an open top is provided with: The present invention is a greening block with seedlings in which guest soil is accommodated separately from porous concrete, plants are grown in the soil, and roots of the plants are penetrated into the porous concrete.

The feature of the waterside greening method for rivers, lakes and the like using the greening block according to the present invention is that a porous concrete before solidification is poured into a seedling pot having an open upper portion, and the seedling pot is placed in the seedling pot. The soil is stored separately from the porous concrete, and after solidification of the porous concrete, plants are grown on the soil to form greening blocks with seedlings in pots, and the roots of the plants are contained in the porous concrete. After growing the seedlings until they penetrate, the greening block with seedlings is taken out of the seedling raising pot and placed in a desired place.

[0010] The block with seedling used in the above method is formed by pouring porous concrete in layers along the bottom and the inner peripheral surface of the seedling raising pot and accommodating the soil inside the porous concrete layer. Plants may be planted in the soil, and the outer soil soil layer is formed in a layered manner along the bottom and inner circumferential surface of the seedling raising pot, and the soil at the center thereof is open upward at the center. A storage space may be provided and porous concrete may be poured in, the central soil may be stored in the soil storage space, and a plant may be planted in the central soil, and a porous layer may be formed at the bottom of the seedling pot. Pour concrete,
The soil may be accommodated on the upper side of the porous concrete, and a plant may be planted on the soil. Further, the bottom soil is accommodated in a layer at the bottom of the seedling raising pot, and the porous concrete layer is accommodated on the upper side. Further, the upper soil may be accommodated above the porous concrete layer, and a plant may be planted on the upper soil. Further, the soil is housed in a column shape from the bottom of the seedling raising pot toward the center upward. Alternatively, porous concrete may be cast between the soil and the inner peripheral surface of the seedling raising pot, and a plant may be planted on the soil. The pillar-shaped soil is preferably expanded at its lower part on a cone, and the plant to be grown is preferably a high pussy willow.

[0011]

The greening block with seedlings of the present invention can use a seedling pot as a mold for forming a block, and at the time of raising seedlings, plays a role as a pot for seedlings, that is, an original seedling pot. In addition, when installed in places required for waterside greening, plant roots are continuously penetrated into the soil and porous concrete, and the whole is integrated through the roots A sufficient amount of soil required for growth is kept together with the block, and at the same time, the porous concrete is given a weight so as not to be washed away by running water.

After the greening block with seedlings is installed on the waterside, the block body has water permeability, so that water is supplied from outside to the seedlings, and the seedlings grow. On the other hand, the block body has an effect of preventing the ground from being sucked out by flowing water, and the ground below the block due to the suction is prevented from being washed away.

In addition, the roots elongate with the growth of the seedlings, the roots infiltrate into the surrounding area such as the ground where the block body is installed, and the connection with the surrounding ground becomes strong. The binding force is strong, the revetment is more stable, and the block body and the vegetation are prevented from being washed away even when the water is very fast flowing when the water is extremely increased.

Further, willows, such as Hypus willow, are resistant to submergence, can grow in a submerged state, a wet state, and a semi-dry state, and conform to the growth conditions on the waterside where the water level changes.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a first embodiment of a greening block with seedlings according to the present invention. The seedling greening block A is housed in a seedling pot 1 made of a synthetic resin. Porous concrete 2 is cast in layers along the bottom surface and the inner peripheral surface of the seedling pot 1, and a pot-like material is formed in the center thereof. Is formed. Then, the soil 3 is filled in the soil storage portion, and plant seeds or seedlings are planted in the soil 3 or desired greening plants 4 are vegetated by cuttings.

FIG. 2 shows a second embodiment of a greening block with seedlings according to the present invention. The greening block B with seedlings is provided with an outer peripheral soil layer 3a layered along a bottom surface and an inner peripheral surface in a seedling raising pot 1, and a porous concrete layer 2 is cast along the inner side thereof, and the center thereof is formed. A pot-shaped space for receiving soil is formed in the area. Then, the central soil 3b is filled in the soil storage portion, and desired greening plants 4 are vegetated in the soil 3b in the same manner as described above.

In general, the roots of plants have the property of extending in the direction in which a large amount of necessary moisture and nutrients are present. Therefore, in this embodiment, the roots of the plant are planted outside the pot-shaped porous concrete 2 toward the outer peripheral soil 3b. The extension of the roots of the plant 4 is promoted, the penetration rate of the roots into the porous concrete 2 is increased, and the rooting state of the roots with respect to the block installation ground is improved.

FIG. 3 shows a third embodiment of a greening block with seedlings according to the present invention. In the greening block C with seedlings, a layer of porous concrete 2 is cast on the bottom surface of the seedling raising pot 1 and the space in the pot above it is filled with the soil 3. To plant the desired greening plants.

FIG. 4 shows a fourth embodiment of a greening block with seedlings according to the present invention. The greening block D with the seedlings is layered on the bottom surface in the seedling pot 1 in a layered manner in the bottom soil 3 c
And the porous concrete 2 is cast thereon in a layered manner, and the upper potting space 3d is filled with the upper potting soil 3d, and the desired potting plant 4 is filled in the upper potting soil 3d in the same manner as described above. Vegetation. Also in this embodiment, the bottom soil 3d is located below the porous concrete 2, so that the root elongation of the greening plant 4 is promoted toward this, and the penetration rate of the root to the porous concrete 2 is increased. In addition, the roots take root in the ground where the blocks are installed.

FIG. 5 shows a fifth embodiment of a greening block with seedlings according to the present invention. In the greening block E with seedlings, the soil 3 is accommodated in the center of the seedling pot 1 in the form of a column extending vertically, and the porous concrete 2 is pressed into the space between the pillar-shaped soil 3 and the seedling pot 1. The plant 3 is planted in the soil 3.

The bottom of the columnar soil 3 is enlarged in a conical shape, so that the roots of the greening plants 4 are not directly penetrated into the porous concrete 2, and the roots of the greening plants 4 are not directly penetrated through the porous concrete 2. It can be extended to Also, when the porous concrete 2 is cast, a mold 5 that forms a pillar-shaped lands for accommodating soil as shown in FIG. Thereafter, the soil 3 is filled.

The porous concrete 2 in each of the above-described embodiments has a high porosity continuous void formed by applying mortar to a granular aggregate such as crushed stone and bonding the mortar to the aggregate. Concrete. As a plant for revegetation, willows are preferable for planting at the waterside, and cat willow, especially high willow willow is preferable.

When the greening blocks with seedlings configured as described above are installed, greening plants are grown in the seedling raising pot 1, and their roots penetrate into the porous concrete.
And it is preferable to use those that have grown up to a state in which the seedling pot is enclosing the soil in the pot and spread to the inside of the pot,
When used in a place where the growth conditions after installation are stable, it may be a growing one before that.

Next, a working example of the waterside greening method using the blocks of the above embodiments will be described.

Construction Example 1 As shown in FIG. 6, a hole is dug in the ground surface 11 of an inclined waterside having a surface of soil or sand or gravel, and a greening block A (or B to E) having seedlings is formed in the hole. Seedling pot 1
Take out and fill.

In this case, if it is necessary to prevent the movement of the block A before the root of the block A extends outside,
An anchor 12 as shown in FIG. 7 is driven into the ground, and the block body 1 is held down.

Construction Example 2 As shown in FIG. 8, an embankment 1 is placed on the surface of an existing or newly installed rock protection structure 13 such as a concrete block or a basket mat.
4 and dig holes at regular intervals in the embankment.
In the same manner as described above, the greening block A with seedlings is buried and stopped with the anchor 12 as necessary.

Construction Example 3 FIG. 9 shows an embodiment in which the present invention is applied to a slope construction method, in which an organic base material 17 is laid on the ground in a slope 16 installed on the surface of a slope 15 and a customer is placed thereon. The soil 18 is filled, and a suction-preventing material 19 is provided on the surface. A hole is made in the wicking agent 19 and the soil 18, and the block A is embedded.

Construction Example 4 As shown in FIG. 10, a concrete board 21 made of a concrete block or cast-in-place concrete is constructed on a backfill 20 made of crushed stone. Coring holes 22 are formed at regular intervals in the concrete board 21 on the inclined portion of the waterside, and blocks A are inserted into the holes along with necessary soil 23. In this case, backfill 2 if necessary
A hole is also dug at 0, and a filler 24 such as a soil filled with fertilizer is filled therein.

Construction Example 5 As shown in FIG. 11, a number of revetment blocks 25, 25... Made of porous concrete are arranged side by side, and each of the blocks 25 has a recess 2 for accommodating a block A in advance.
6 are provided, and after the block 25 is installed, each recess 26
Accommodates the block A according to the present invention.

Construction Example 6 As shown in FIG. 12, holes are dug at regular intervals on the ground outside the retaining wall 27 on the shore of the pond, and blocks A are buried therein.

Construction Example 7 As shown in FIG. 13, in an artificial island for artificially creating a habitat for waterside plants and small animals in ponds, lakes and marshes, a guest soil 29 is accommodated in a portion surrounded by a soil retainer 28. Then, the blocks A are arranged on the upper surface. 30 in the figure is a masonry in water.

In each of the above construction examples 1 to 7, immediately after the greening block A or B with seedlings is installed, the block body 1
When the seedlings grow and the roots elongate due to the weight of the roots, the roots penetrate the gaps in the block body 1 into the ground, backfill, or the surrounding supporting ground such as the porous concrete block, and bind them. Not only is the block A or B integrated with the support base, but the support base itself is reinforced.

[0035]

According to the present invention, a greening block with seedlings is formed by separately storing porous concrete and soil in a raising seedling pot and growing a greening plant in the raising seedling pot. Therefore, a mold only for forming the porous concrete block as in the related art is not required, and the number of working steps is significantly simplified.

Conventionally, a kind of root-permeable pot is formed with a porous concrete block, and a plant is planted in the pot. On the other hand, in the present invention, the porous concrete and the soil are placed in a seedling raising pot. Since both are placed in a necessary arrangement by accommodating them, the arrangement of the soil and the porous concrete can be varied as required, and the cultivation of plants can be carried out by raising seedlings with porous concrete. Since it is carried out in a pot, it is possible to satisfactorily embrace the soil with root hair and penetrate porous concrete, and obtain a greening block with seedlings in which highly active seedlings are integrated.

Further, the greening block with seedlings installed on the waterside can be grown until the roots of the greening plants are exposed on the surface of the block. Since the roots can be installed (transplanted) without cutting the roots, the rooting state with respect to the ground is good, and a stable vegetation state can be obtained in a short time after installation.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of a greening block with seedlings according to the present invention.

FIG. 2 is a sectional view of a second embodiment of a greening block with seedlings according to the present invention.

FIG. 3 is a sectional view of a third embodiment of a greening block with seedlings according to the present invention.

FIG. 4 is a sectional view of a fourth embodiment of a greening block with seedlings according to the present invention.

FIG. 5 is a sectional view of a fifth embodiment of a greening block with seedlings according to the present invention.

FIG. 6 is a cross-sectional view showing Working Example 1 of the waterside greening method according to the present invention.

FIG. 7 is a perspective view showing the same anchor.

FIG. 8 is a cross-sectional view showing Working Example 2 of the waterside greening method according to the present invention.

FIG. 9 is a cross-sectional view showing Working Example 3 of the waterside greening method according to the present invention.

FIG. 10 is a sectional view showing Working Example 4 of the waterside greening method according to the present invention.

FIG. 11 is a sectional view showing Working Example 5 of the waterside greening method according to the present invention.

FIG. 12 is a sectional view showing Working Example 6 of the waterside greening method according to the present invention.

FIG. 13 is a sectional view showing Working Example 7 of the waterside greening method according to the present invention.

[Explanation of symbols]

 A, B, C, D, E Block for greening 1 Nursery pot 2 Porous concrete 3 Soil 3a Peripheral soil 3b Central soil 3c Bottom soil 3d Upper soil 4 Plant for greening 11 Ground surface 12 Anchor fitting 13 Rock protection structure 14 Embankment 15 Slope 16 Slope 17 Organic base material 18 Guest soil 19 Suction prevention material 20 Backfill 21 Concrete board 22 Core hole 23 Guest soil 24 Filler 25 Seawall block 26 Depression 27 Earth retaining 28 Sudo 29 Kokusai 30 Masonry

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomi Yamada 2-2-110 Shintoji, Niigata City, Niigata Prefecture Inside Green Industries Co., Ltd. (72) Inventor Toshihiko Nakatsuru 2-2-2 Shintoji, Niigata City, Niigata Prefecture No. 10 Inside Green Sangyo Co., Ltd. (72) Inventor Tadashi Kitagawara 3-14-4 Narihira, Sumida-ku, Tokyo Inside Okabe Civil Engineering Co., Ltd. (72) Taketo Oshiba 3-14, Narihira, Sumida-ku, Tokyo No. 4 Okabe Civil Engineering Co., Ltd. (72) Inventor Minoru Tanaka 652-1, Yamanitsu, Niigata City, Niigata Prefecture Inside Okabe Niigata Sales Co., Ltd. (72) Michio Kataoka 707, Ojiko Nariba, Niitsu City, Niigata Pref. (72) Inventor Tatsuro Ishino 1-6-1, Otemachi, Chiyoda-ku, Tokyo Inside Jaglas Co., Ltd. No. 1 Inside Jaglas Co., Ltd.

Claims (9)

[Claims] Claims 1. A seedling pot having an open top, which is divided into porous concrete and accommodates the soil, grows a plant in the soil, and allows roots of the plant to penetrate into the porous concrete. A greening block with seedlings. 2. A seedling pot having an open top, in which porous concrete before solidification is poured, and the soil is separated from the porous concrete in the seedling pot, and the soil is received. After the solidification of the porous concrete, A plant is grown on the soil to form a greening block with seedlings in a pot, and after the roots of the plants are grown until they penetrate into the porous concrete, the greening blocks with seedlings are taken out of the seedling-growing pot. A waterside greening method for rivers, lakes, and marshes using a greening block with seedlings, which is characterized by being installed at a location. 3. Porous concrete is layered along the bottom and the inner peripheral surface of the seedling raising pot, a soil is stored inside the porous concrete layer, and a plant is planted on the soil. The method for waterside greening of rivers, lakes and marshes using the greening blocks with seedlings according to claim 2, wherein the greening blocks with seedlings in pots are formed by penetrating roots into the porous concrete. 4. An outer layer soil storage layer is formed along the bottom and the inner circumference of the seedling raising pot in a layered manner, and in the center thereof, a soil storage space having an open top at the center is provided and porous concrete is poured. Then, the central soil is accommodated in the soil storage space, plants are planted in the central soil, and the roots are penetrated into the porous concrete and the outer peripheral soil, thereby forming a greening block with a seedling in a pot. A waterside greening method for rivers, lakes and marshes using the greening block with seedlings according to claim 2 to be formed. 5. A layer of porous concrete is poured into the bottom of a seedling raising pot, a soil is stored above the porous concrete, a plant is planted on the soil, and the root is penetrated into the porous concrete. A method for greening a waterside of a river or a lake using the greening block with seedlings according to claim 2, wherein the greening block with seedlings is formed in a pot. 6. A bottom seed soil is stored in a layer at the bottom of the seedling raising pot, and a porous concrete layer is stored above the bottom soil.
The method according to claim 2, further comprising: storing an upper soil on the upper side of the porous concrete layer, planting a plant on the upper soil, and forming roots into the porous concrete to form a potted greening block with seedlings. A waterside greening method for rivers, lakes and marshes using the described greening blocks with seedlings. 7. The soil is stored in a columnar shape from the bottom of the seedling raising pot toward the center upward, and porous concrete is poured between the soil and the inner peripheral surface of the seedling raising pot. A river using a greening block with seedlings according to claim 2, wherein a plant is planted, and the roots are penetrated into the porous concrete to form a greening block with seedlings in a pot.
Waterside greening method for lakes and marshes. 8. The method according to claim 7, wherein the columnar soil is expanded on a cone at a lower portion thereof. 9. The method according to claim 2, wherein the plant to be grown is a willow willow.